clojure proxy does not re-define methods then a Java constructor is called
Hi, In a Clojure proxy I need to re-define a method which is called by a Java constructor. I noticed that the function dispatch table in the proxy object is not initialized at that moment still, so the original method is always called. Any suggestions? Thanks in advance, Vladimir -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Re: Java interop: Can't call public method of non-public class
I think not. But upgrading to clojure 1.5 will do.
On Friday, March 1, 2013 1:20:57 PM UTC+4, Marko Topolnik wrote:
I'd say it's a bug. You are invoking a public class's method, which
happens to be inherited from a package-private class. Clojure's reflective
code accesses the superclass method directly so there's no distinction
between direct invocation and invocation through inheritance.
If you are interseted in a workaround, type-hinting the code will work (my
guess).
On Friday, March 1, 2013 10:13:57 AM UTC+1, bsmith.occs wrote:
Simplified, from a more complex example:
abstract class Bytes {
public toHexString() { return ...; }
Bytes { }
}
public class Hash extends Bytes {
public Hash() { super(); }
}
This works in Java:
new Hash().toHexString();
This fails in Clojure:
(.toHexString (Hash.))
IllegalArgumentException Can't call public method of non-public class:
public final java.lang.String at.gv.brz.bjuvj.hashpass.Bytes.toHexString()
clojure.lang.Reflector.invokeMatchingMethod (Reflector.java:88)
Bug?
// ben
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Re: how to get SHA1 of a string?
On Monday, March 4, 2013 10:54:13 PM UTC+4, larry google groups wrote: Right now I am using this block of code: (let [username (get-in @um/interactions [:omniture-api- credentials :username]) secret (get-in @um/interactions [:omniture-api-credentials :shared- secret]) random-number (math/round (* (rand 1 ) 100)) nonce (DigestUtils/md5Hex (str random-number)) nonce-encoded-base64 (Base64/encodeBase64String (.getBytes nonce)) date-formatter (new SimpleDateFormat -MM-dd'T'HH:mm:ss) created (.format date-formatter (new Date)) digest-as-string (apply str nonce created secret) digest (.digest (java.security.MessageDigest/getInstance sha1) (.getBytes digest-as-string)) digest-base64 (Base64/encodeBase64String digest) header (apply str UsernameToken Username=\ username \ PasswordDigest=\ digest-base64 \ Nonce=\ nonce-encoded-base64 \ Created=\ created \)] header) And I get output that contains an equal sign, which I think is suspect: PasswordDigest=r+HWjSAk8AUvo/QmKKfbqQFnJ18= Nonce=NmQxNGUwZjVlMjFhYjE1MzQ4MjUxYTA1MTg1YzE3ZTg= The developer at Omniture reminded me of the characters allowed into Base64: You can tell a given string is base64 encoded because it can only have 64 specific characters in the string: A-Z a-z 0-9 + / That's 26 + 26 + 10 + 2 = 64 http://en.wikipedia.org/wiki/Base64 I assume that means that if I see a = in the string, then it is not really Base64 encoded? It is. See http://en.wikipedia.org/wiki/Base64 , the Padding section. On Mar 4, 1:43 pm, Craig Brozefsky cr...@red-bean.com wrote: Craig Brozefsky cr...@red-bean.com writes: .. Sorry, didn't reaze you wanted the output to be base64 encoded, in which case, add these funcs: (defn base64-encode [^bytes v] (javax.xml.bind.DatatypeConverter/printBase64Binary v)) (defn sha1-base64 [^String v] (- (.getBytes v) (sha1) (base64-encode))) -- Craig Brozefsky cr...@red-bean.com Premature reification is the root of all evil -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Why not when-let* ?
Hi, The when-let macro is great, but it accepts only one binding. Why? Are there any reason why this macro was not ever extended to support multiple bindings (defined, for example, here: http://inclojurewetrust.blogspot.ru/2010/12/when-let-maybe.html)? (when-let* [x (something) y (something1)] (do-something x y)) Regards, Vladimir -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Type hints ignored in proxy-super
Hi, seems type hints are ignored when we use proxy-super: (set! *warn-on-reflection* true) (proxy [Object][] (equals[o] (proxy-super equals))) Reflection warning, null:3 - reference to field equals can't be resolved. Regards, Vladimir PS: I'm on clojure-1.4 -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
IllegalAccessError problem when referring non-public classes
Hi, I'm trying to create Excel files with jexcelapi: https://sourceforge.net/projects/jexcelapi/files/jexcelapi API provides a method of creating Excel fonts which uses instances of a non-public inner class: public WritableFont(FontName fn, int ps, BoldStyle bs, boolean it, UnderlineStyle us, Colour c) where BoldStyle is a non-public static inner class of WritableFont. When I'm in Java, I'm supposed to use the WritableFont.BOLD and WritableFont.NO_BOLD constants provided by the WritableFont class to pass as the 'BoldStyle bs' parameter: new WritableFont(WritableFont.TIMES, 16, WritableFont.BOLD, true); This compiles and works Ok in Java, but when I try to execute the Clojure equivalent: (WritableFont. WritableFont/TIMES 16 WritableFont/BOLD true) it causes the following exception java.lang.IllegalAccessError: tried to access class jxl.write.WritableFont$BoldStyle from class test.excel$eval775 at test.excel$eval775.invoke (:1) clojure.lang.Compiler.eval (Compiler.java:6511) clojure.lang.Compiler.eval (Compiler.java:6477) clojure.core$eval.invoke (core.clj:2797) clojure.main$repl$read_eval_print__6405.invoke (main.clj:245) clojure.main$repl$fn__6410.invoke (main.clj:266) clojure.main$repl.doInvoke (main.clj:266) clojure.lang.RestFn.invoke (RestFn.java:1096) clojure.tools.nrepl.middleware.interruptible_eval$evaluate$fn__511.invoke (interruptible_eval.clj:58) clojure.lang.AFn.applyToHelper (AFn.java:159) clojure.lang.AFn.applyTo (AFn.java:151) clojure.core$apply.invoke (core.clj:601) clojure.core$with_bindings_STAR_.doInvoke (core.clj:1771) clojure.lang.RestFn.invoke (RestFn.java:425) clojure.tools.nrepl.middleware.interruptible_eval$evaluate.invoke (interruptible_eval.clj:43) clojure.tools.nrepl.middleware.interruptible_eval$interruptible_eval$fn__552$fn__554.invoke (interruptible_eval.clj:173) clojure.core$comp$fn__4034.invoke (core.clj:2278) ... Regards, Vladimir -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups Clojure group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
Misleading ArityException error string
Hi, if the function name has characters, which are mangled by Clojure compiler, and we pass to such function wrong number of argument, we got wrong error message. For example: (defn a-b [x] x) (a-b 1 2) produces: clojure.lang.ArityException: Wrong number of args (2) passed to: user$*a* at clojure.lang.AFn.throwArity (AFn.java:437) clojure.lang.AFn.invoke (AFn.java:43) ... Is it possible to add some de-mangling function, in order to recover the correct original name? Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: Misleading ArityException error string
Thanx! On Wednesday, December 26, 2012 6:49:36 PM UTC+4, Andy Fingerhut wrote: Timothy Baldridge wrote a patch to improve this issue and attached it to CLJ-1083: http://dev.clojure.org/jira/browse/CLJ-1083 Andy On Dec 26, 2012, at 3:20 AM, Vladimir Tsichevski wrote: Hi, if the function name has characters, which are mangled by Clojure compiler, and we pass to such function wrong number of argument, we got wrong error message. For example: (defn a-b [x] x) (a-b 1 2) produces: clojure.lang.ArityException: Wrong number of args (2) passed to: user$*a* at clojure.lang.AFn.throwArity (AFn.java:437) clojure.lang.AFn.invoke (AFn.java:43) ... Is it possible to add some de-mangling function, in order to recover the correct original name? Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: Interop question concerning optional args
I found this (mis)feature quite annoying too. I think, we all shall ask the language authors to fix it. On Tuesday, December 11, 2012 10:44:34 AM UTC+4, Andy Fingerhut wrote: You can pass in a length 0 array of java.nio.file.attribute.FileAttribute's like so: (java.nio.file.Files/createTempDirectory mytempname (make-array java.nio.file.attribute.FileAttribute 0)) Andy On Dec 10, 2012, at 8:54 PM, Dave Kincaid wrote: I just came across this same problem while trying to use Java 7's java.nio.file.Files.createTempDirectory() (http://docs.oracle.com/javase/7/docs/api/java/nio/file/Files.html#createTempDirectory(java.lang.String, java.nio.file.attribute.FileAttribute...)) Clojure won't let me just do (java.nio.file.Files/createTempDirectory mydir) It wants the FileAttribute argument. Can anyone help me get past this? I'm stuck since I really can't figure out how to create a FileAttribute. Am I better off just using Apache commons or something like that? On Monday, September 27, 2010 7:20:04 PM UTC-5, ataggart wrote: The vararg at the end of the method is just syntactic sugar for an array, so the add method actually takes 4 args, the last being a Resource array. The java compiler just replaces missing varargs with an empty array. My guess is that the reflection mechanisms in the compiler just look at type/arity. The Method object has a isVarArg() boolean, so that could be used to allow omitting varargs altogether. That would need to be an enhancement to the clojure compiler, so I opened a ticket: https://www.assembla.com/spaces/clojure/tickets/440-java-method-calls-cannot-omit-varargs On Sep 27, 1:16 pm, JonathanBelolo jonat...@scorpiomusic.fr wrote: While toying with the Sesame2.3 library, I've come across the following behavior for the first time. This is taken from the api doc for org.openrdf.repository.base.RepositoryConnectionBase: add(Resource subject, URI predicate, Value object, Resource... contexts) Adds a statement with the specified subject, predicate and object to this repository, optionally to one or more named contexts. But apparently, Clojure seems to think the optional args are mandatory... (.add con alice RDF/TYPE person) No matching method found: add for class org.openrdf.repository.sail.SailRepositoryConnection [Thrown class java.lang.IllegalArgumentException] So I run (grep #.add (.getMethods (.getClass con))) #Method public void org.openrdf.repository.base.RepositoryConnectionBase.add(org.openrdf.model. Resource,org.openrdf.model.URI,org.openrdf.model.Value, org.openrdf.model.Re source[]) throws org.openrdf.repository.RepositoryException) Finally the following works... (.add con alice RDF/TYPE person (make-array Resource 1)) nil Is this behavior normal? Are optional args mandatory when called with interop? Thanks for your help :) Jonathan -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.com javascript: Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com javascript: For more options, visit this group at http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
class loaders stack constant grow in REPL
Hi, just found that every interaction with Clojure REPL causes one more DynamicClassLoader put on the Thread context class loader chain. Here is how clojure.main/repl beginning looks like: (let [cl (.getContextClassLoader (Thread/currentThread))] (.setContextClassLoader (Thread/currentThread) (clojure.lang.DynamicClassLoader. cl))) And this is how to observe it: nREPL server started on port 19987 REPL-y 0.1.0-beta10 Clojure 1.4.0 Exit: Control+D or (exit) or (quit) Commands: (user/help) Docs: (doc function-name-here) (find-doc part-of-name-here) Source: (source function-name-here) (user/sourcery function-name-here) Javadoc: (javadoc java-object-or-class-here) Examples from clojuredocs.org: [clojuredocs or cdoc] (user/clojuredocs name-here) (user/clojuredocs ns-here name-here) user= (defn print-class-loader-stack ([] (print-class-loader-stack (.getContextClassLoader (Thread/currentThread ([cl] (if cl (do (pprint cl) (print-class-loader-stack (.getParent cl))) (println *Top* #_= #_= #_= #_= #_= #_= #_= #_= #'user/print-class-loader-stack user= (print-class-loader-stack) #DynamicClassLoader clojure.lang.DynamicClassLoader@26a0c73f #DynamicClassLoader clojure.lang.DynamicClassLoader@6f603bdc #DynamicClassLoader clojure.lang.DynamicClassLoader@2f368c5d #DynamicClassLoader clojure.lang.DynamicClassLoader@5b31fd9 #AppClassLoader sun.misc.Launcher$AppClassLoader@4aad3ba4 #ExtClassLoader sun.misc.Launcher$ExtClassLoader@3326b249 *Top* nil user= 1 1 user= 1 1 user= 1 1 user= 1 1 user= (print-class-loader-stack) #DynamicClassLoader clojure.lang.DynamicClassLoader@5be04861 #DynamicClassLoader clojure.lang.DynamicClassLoader@7481933a #DynamicClassLoader clojure.lang.DynamicClassLoader@273f212a #DynamicClassLoader clojure.lang.DynamicClassLoader@4178feba #DynamicClassLoader clojure.lang.DynamicClassLoader@5323961b #DynamicClassLoader clojure.lang.DynamicClassLoader@26a0c73f #DynamicClassLoader clojure.lang.DynamicClassLoader@6f603bdc #DynamicClassLoader clojure.lang.DynamicClassLoader@2f368c5d #DynamicClassLoader clojure.lang.DynamicClassLoader@5b31fd9 #AppClassLoader sun.misc.Launcher$AppClassLoader@4aad3ba4 #ExtClassLoader sun.misc.Launcher$ExtClassLoader@3326b249 *Top* nil user= -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: class loaders stack constant grow in REPL
Thank you Colin, I think, the main problem is nobody has ever tried to write an article Class loading in Clojure. If such article existed, it would make life much easier for many developers. Regards, Vladimir On Monday, December 10, 2012 8:32:36 PM UTC+4, Colin Jones wrote: Right, this is because nREPL uses clojure.main/repl each time it does an evaluation. See http://dev.clojure.org/jira/browse/NREPL-31 for a related issue that was addressed by modifying clojure.main/repl. I'm not sure where a fix for this would belong (nREPL or clojure.main), but I went ahead and opened an nREPL JIRA issue to track it: http://dev.clojure.org/jira/browse/NREPL-36 - Colin On Monday, December 10, 2012 2:46:10 AM UTC-6, Vladimir Tsichevski wrote: Hi, just found that every interaction with Clojure REPL causes one more DynamicClassLoader put on the Thread context class loader chain. Here is how clojure.main/repl beginning looks like: (let [cl (.getContextClassLoader (Thread/currentThread))] (.setContextClassLoader (Thread/currentThread) (clojure.lang.DynamicClassLoader. cl))) And this is how to observe it: nREPL server started on port 19987 REPL-y 0.1.0-beta10 Clojure 1.4.0 Exit: Control+D or (exit) or (quit) Commands: (user/help) Docs: (doc function-name-here) (find-doc part-of-name-here) Source: (source function-name-here) (user/sourcery function-name-here) Javadoc: (javadoc java-object-or-class-here) Examples from clojuredocs.org: [clojuredocs or cdoc] (user/clojuredocs name-here) (user/clojuredocs ns-here name-here) user= (defn print-class-loader-stack ([] (print-class-loader-stack (.getContextClassLoader (Thread/currentThread ([cl] (if cl (do (pprint cl) (print-class-loader-stack (.getParent cl))) (println *Top* #_= #_= #_= #_= #_= #_= #_= #_= #'user/print-class-loader-stack user= (print-class-loader-stack) #DynamicClassLoader clojure.lang.DynamicClassLoader@26a0c73f #DynamicClassLoader clojure.lang.DynamicClassLoader@6f603bdc #DynamicClassLoader clojure.lang.DynamicClassLoader@2f368c5d #DynamicClassLoader clojure.lang.DynamicClassLoader@5b31fd9 #AppClassLoader sun.misc.Launcher$AppClassLoader@4aad3ba4 #ExtClassLoader sun.misc.Launcher$ExtClassLoader@3326b249 *Top* nil user= 1 1 user= 1 1 user= 1 1 user= 1 1 user= (print-class-loader-stack) #DynamicClassLoader clojure.lang.DynamicClassLoader@5be04861 #DynamicClassLoader clojure.lang.DynamicClassLoader@7481933a #DynamicClassLoader clojure.lang.DynamicClassLoader@273f212a #DynamicClassLoader clojure.lang.DynamicClassLoader@4178feba #DynamicClassLoader clojure.lang.DynamicClassLoader@5323961b #DynamicClassLoader clojure.lang.DynamicClassLoader@26a0c73f #DynamicClassLoader clojure.lang.DynamicClassLoader@6f603bdc #DynamicClassLoader clojure.lang.DynamicClassLoader@2f368c5d #DynamicClassLoader clojure.lang.DynamicClassLoader@5b31fd9 #AppClassLoader sun.misc.Launcher$AppClassLoader@4aad3ba4 #ExtClassLoader sun.misc.Launcher$ExtClassLoader@3326b249 *Top* nil user= -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
gen-class: class loading problem
Hi, I'm trying embed clojure into a proprietary system. That system can be configured to create instances of specified Java classes and calling specified methods. So I want to use gen-class to create these proxies. The only problem is that both clojure and my proprietary system handle class loading differently, so I need to set clojure class loader to that provided by the system before trying to load any application namespaces. It would be nice to add an option to gen-class, say :use-system-loader, so the class created with the following declaration (gen-class :name a.b.C :use-system-loader true) has code generated in the very beginning of clinit method: clojure.lang.Compiler.LOADER.bindRoot(a.b.C.getClassLoader()); to implement this feature, the following changes have be done th the genclass.clj: 1. The option name shall be listed among other options 2. The following block shall be added at beginning of the section for clinit method: (when use-system-loader (doto gen (.getStatic (Type/getType clojure.lang.Compiler) LOADER var-type) (.push ctype) (.invokeVirtual class-type (Method/getMethod ClassLoader getClassLoader())) (.invokeVirtual var-type (Method/getMethod void bindRoot(Object))) )) Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
CCW: compile class static method call for a class that cannot be loaded
Hi, I'm using CCW to compile Clojure to java classes. I have to compile a static class method call like this: (MyClass/myMethod arg1 ...) To compile this the compiler needs to load the MyClass class. The problem is that in my case some classes can only be loaded in the running application. So the compilation fails. My current work-around is: (clojure.lang.Reflector/invokeStaticMethod full.name.of.MyClass myMethod (object-array [arg1 ...])) Does anyone knows more elegant solution? Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: CCW: compile class static method call for a class that cannot be loaded
Hi Herwig, thank you, you are probably right, but it writing new classes solely for that purpose seemes a bit too tedious task. I found another solution: pre-load problematic classes without initializing them, and explicitly register them in namespaces: (.importClass (clojure.lang.Namespace/findOrCreate 'my.name.space)(Class/forName my.problematic.Class false (clojure.lang.RT/baseLoader))) the class then may be as usual referenced as symbol in static metod call function (but not in macros). IMHO it would be nice if Clojure used classes uninitialized until it is necessary. Regards, Vladimir On Thursday, December 6, 2012 9:02:52 PM UTC+4, Herwig Hochleitner wrote: In clojure, as in java, you can compile against a stub class and run against the real class with the same signature. 2012/12/6 Vladimir Tsichevski tsich...@gmail.com javascript: Hi, I'm using CCW to compile Clojure to java classes. I have to compile a static class method call like this: (MyClass/myMethod arg1 ...) To compile this the compiler needs to load the MyClass class. The problem is that in my case some classes can only be loaded in the running application. So the compilation fails. My current work-around is: (clojure.lang.Reflector/invokeStaticMethod full.name.of.MyClass myMethod (object-array [arg1 ...])) Does anyone knows more elegant solution? Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.comjavascript: Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com javascript: For more options, visit this group at http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: A bearded person, Clojure and JavaFX
Take a look at Eclipse RCP. It is much more than just a set of widgets. On Thursday, December 6, 2012 3:38:45 AM UTC+4, Christian Sperandio wrote: Hi, I'm one of those bearded (Lin)Unixians person who love the black screen. I'm closer to back-office than front-office (it's may be my (too) pragmatic mind). But sometimes, for some programs, a GUI is a good thing for users. In particular when the sofware is not for barbed person :) First, I want to give details about my GUI development experience. For some years now, I developed GUI with Cocoa (OS X, before IPhone and iOS out). Recently, I did some development in HTML5/CSS/JS (and I hope, in the future, I'll learn ClojureScript). Back to now, I'd like to make a GUI for a Clojure program and being in the JVM world, I thought I would try a new framework: JavaFX2. Below, I give my feeling and anyone can write remarks about it. We are living in the 2010's years and with JavaFX we find another framework whose the conception is inheritance spirit. The first thing you do, is a subclass of Application. Well, what do you do with delegation? Composition? I had a lot of pleasure with Cocoa because there was no (almost) inheritance. All your work was done by delegation. I found that more elegant and cleaner. As far as I like no more the Apple's philosophy (but it's another discussion), for this point I found that the Cocoa's architecture was well-thought. And I find that the Clojure code is damaged by the JavaFX inheritance. You must write :gen-class extends to just display a window. And when I read documentation about bindings, I thought it was complicated to make a simple thing (look at watch in clojure). OK, the JavaFX bindings work but I feel writing code for writing code. My second bad point for JavaFX, it's about the interactive development. I love languages like Groovy and Clojure because you can test the code in a console (GroovyConsole or REPL). Can we do that with JavaFX? My main problem is the following: for launching of your JavaFX application, you have to call the start method in your main. It blocks the current thread and the REPL waits for closing the window. While with Swing, you can create components on-the-fly (no start method to display your main frame) in the REPL. The thing lives and changes under your eyes. It's magic. Did I miss something ? Did I have a bad feeling too soon because the code's weight and difficulties? When I read code like callbackTableColumnPerson, String,XXX, sorry but I'm discouraged. Some people laugh at Clojure because of its parentheses. But in this case, we can talk about Java and its arrows. Finally, I think I'll turn to Swing. OK it's less pretty and hype than JavaFX but the fact I can play with Swing inside REPL is fun. And seriously, why JavaFX's developers made something so unpleasant (I think again this inheritance point as soon as you want to launch a simple frame). If some people work with JavaFX and think it's great, I'm ready to read your posts. Even if I'm a bearded person, I'm ready to reassess. Perhaps, I missed something. Chris -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
CCW and Eclipse Build Path configuration
Hi, Is it possible to make CCW respect exclusions and inclusions in Eclipse Build Path configuration? Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: CCW and Eclipse Build Path configuration
Hi Laurent, in Eclipse, you may configure which directories are used to look for source files. By default Eclipse builders try to compile all suitable files in these directories. So, as I understand, CCW does either. But you may also exclude some stuff found in there from the build process by either defining the Exclusion pattern in the Java Build Path dialog, or by selecting individual files in the Project View and using the Build Path/Exclude popup menu item. It would be convenient if CCW used this or some similar method to mark files as not-to-build. Regards, Vladimir On Tuesday, December 4, 2012 4:35:23 PM UTC+4, lpetit wrote: Hi Vladimir, 2012/12/4 Vladimir Tsichevski tsich...@gmail.com javascript:: Hi, Is it possible to make CCW respect exclusions and inclusions in Eclipse Build Path configuration? Not sure I understand what you mean (I can think of several things you may be asking). Could you please elaborate a little bit more on your use case and what you expect ? Is this related to the lein2 support ? Cheers, -- Laurent -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: CCW and Eclipse Build Path configuration
Done On Tuesday, December 4, 2012 8:06:37 PM UTC+4, lpetit wrote: So, would you please create an issue for it ? I would not like to lose track of it. http://code.google.com/p/counterclockwise/issues/list Thanks, -- Laurent -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: Change the CCW compile output catalog
You aswers had everything I needed to know to move forward. Did not notice anything strange in them. It were late hours here in Moscow thought :-) On Sunday, December 2, 2012 2:32:45 AM UTC+4, lpetit wrote: 2012/12/1 Laurent PETIT lauren...@gmail.com javascript:: Hello, 2012/12/1 Vladimir Tsichevski tsich...@gmail.com javascript:: Hi, CCW always outputs compiled classes into the classes catalog. AFAIK, this name is compiled into CCW and hence cannot be changed. My two questions are: 1. Why the catalog path is not configurable? Was this made intentionally? It is a limitation, for sure, which comes from the past. Will eventually go. There's not reason for it to not be configurable, but no having dedicated time to do so. 2. Why this catalog differs from the Java output catalog? Was it made intentionally, or it is Ok to put all project output classes to same catalog? Yes, it is intentional that CCW's output is not in the same folder hierarchy as other Java output. Indeed, it's not possible (or sufficiently complex to have been considered so) to inform Eclipse (which manages java source/classes via the JDT - Java Development Tools-) that there are contents in the same output as where it compiles classes, and that it would be polite not to erase the folder content as if it were under its full control. Now, beyond your interesting in understand why things are how they are, I'd be interesting in knowing if that's currently getting in your way, and if so, try to see if I can help you find a workaround until this is eventually customizable. Wow, re-reading myself right now. Either I was drunk, or the spellchecker cheated on me a lot :-) HTH, -- Laurent -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: class loading problem in embedded clojure
Hi, nobody still cannot explain why PlatformUI (PlatformUI/getWorkbench) works, and (PlatformUI/getWorkbench) does not? -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Change the CCW compile output catalog
Hi, CCW always outputs compiled classes into the classes catalog. AFAIK, this name is compiled into CCW and hence cannot be changed. My two questions are: 1. Why the catalog path is not configurable? Was this made intentionally? 2. Why this catalog differs from the Java output catalog? Was it made intentionally, or it is Ok to put all project output classes to same catalog? Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: Change the CCW compile output catalog
Hi Laurent, many thanks for the quick and helpful response! Now that I've managed to make CCW compile my clojure code to classes I'm wondering how to tell Eclipse to package these classes to an RCP plugin along with classes produced from Java. Regards, Vladimir On Sunday, December 2, 2012 1:04:06 AM UTC+4, lpetit wrote: Hello, 2012/12/1 Vladimir Tsichevski tsich...@gmail.com javascript:: Hi, CCW always outputs compiled classes into the classes catalog. AFAIK, this name is compiled into CCW and hence cannot be changed. My two questions are: 1. Why the catalog path is not configurable? Was this made intentionally? It is a limitation, for sure, which comes from the past. Will eventually go. There's not reason for it to not be configurable, but no having dedicated time to do so. 2. Why this catalog differs from the Java output catalog? Was it made intentionally, or it is Ok to put all project output classes to same catalog? Yes, it is intentional that CCW's output is not in the same folder hierarchy as other Java output. Indeed, it's not possible (or sufficiently complex to have been considered so) to inform Eclipse (which manages java source/classes via the JDT - Java Development Tools-) that there are contents in the same output as where it compiles classes, and that it would be polite not to erase the folder content as if it were under its full control. Now, beyond your interesting in understand why things are how they are, I'd be interesting in knowing if that's currently getting in your way, and if so, try to see if I can help you find a workaround until this is eventually customizable. HTH, -- Laurent -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: Change the CCW compile output catalog
On Sunday, December 2, 2012 2:11:48 AM UTC+4, Vladimir Tsichevski wrote: Hi Laurent, many thanks for the quick and helpful response! Now that I've managed to make CCW compile my clojure code to classes I'm wondering how to tell Eclipse to package these classes to an RCP plugin along with classes produced from Java. Just found the answer. Please, ignore my question. Regards, Vladimir On Sunday, December 2, 2012 1:04:06 AM UTC+4, lpetit wrote: Hello, 2012/12/1 Vladimir Tsichevski tsich...@gmail.com: Hi, CCW always outputs compiled classes into the classes catalog. AFAIK, this name is compiled into CCW and hence cannot be changed. My two questions are: 1. Why the catalog path is not configurable? Was this made intentionally? It is a limitation, for sure, which comes from the past. Will eventually go. There's not reason for it to not be configurable, but no having dedicated time to do so. 2. Why this catalog differs from the Java output catalog? Was it made intentionally, or it is Ok to put all project output classes to same catalog? Yes, it is intentional that CCW's output is not in the same folder hierarchy as other Java output. Indeed, it's not possible (or sufficiently complex to have been considered so) to inform Eclipse (which manages java source/classes via the JDT - Java Development Tools-) that there are contents in the same output as where it compiles classes, and that it would be polite not to erase the folder content as if it were under its full control. Now, beyond your interesting in understand why things are how they are, I'd be interesting in knowing if that's currently getting in your way, and if so, try to see if I can help you find a workaround until this is eventually customizable. HTH, -- Laurent -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
class loading problem in embedded clojure
Hi, I've embedded Clojure 1.4 with nREPL into my Eclipse RCP application. Now in nREPL I define a function which builds a menu with some actions. Everything seemes to work as expected. Now I select some menu item which executes the following code: (println PlatformUI) (println (PlatformUI/getWorkbench)) where 'PlatformUI' is a class from Eclipse base distribution imported earlier in the ns declaration, and 'getWorkbench' is its static method. This code works Ok also. Now I remove the first line and run just (println (PlatformUI/getWorkbench)) And got the exception below. Anybody can explain this? java.lang.NoClassDefFoundError: org/eclipse/ui/PlatformUI at myApp.clojure.menu$menu$fn__1475.invoke(Unknown Source) at myApp.clojure.menu.proxy$org.eclipse.jface.action.Action$0.run(Unknown Source) at org.eclipse.jface.action.Action.runWithEvent(Action.java:498) at myApp.clojure.menu.proxy$org.eclipse.jface.action.Action$0.runWithEvent(Unknown Source) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3588) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3209) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at myApp.rcp.MyAppApp.start(MyAppApp.java:24) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) at org.eclipse.equinox.launcher.Main.run(Main.java:1410) at org.eclipse.equinox.launcher.Main.main(Main.java:1386) Caused by: java.lang.ClassNotFoundException: org.eclipse.ui.PlatformUI at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at clojure.lang.DynamicClassLoader.findClass(DynamicClassLoader.java:61) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) ... 32 more -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: call superclass method in classes created by Clojure?
Thank you David, it works! On Thursday, November 29, 2012 5:44:06 PM UTC+4, David Powell wrote: proxy is basically a more interop-oriented version of reify though, and it can extend classes, and you can use proxy-super to call superclass methods from there. On Nov 29, 2012 1:40 PM, Vladimir Tsichevski tsich...@gmail.comjavascript: wrote: Thanks On Thursday, November 29, 2012 5:33:20 PM UTC+4, David Powell wrote: reify can only implement interfaces and protocols, so there aren't any superclass methods to call (except the ones in Object I guess). On Thu, Nov 29, 2012 at 1:30 PM, Vladimir Tsichevski tsich...@gmail.com wrote: Thanks, is there something like that for reify? On Thursday, November 29, 2012 2:52:56 AM UTC+4, Meikel Brandmeyer (kotarak) wrote: Am 28.11.12 23:10, schrieb Vladimir Tsichevski: Is it possible? See exposes-methods in documentation for gen-class. http://clojure.github.com/**cloj**ure/clojure.core-api.html#**cloj** ure.core/gen-classhttp://clojure.github.com/clojure/clojure.core-api.html#clojure.core/gen-class Kind regards Meikel -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@**googlegroups.com For more options, visit this group at http://groups.google.com/**group/clojure?hl=enhttp://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.comjavascript: Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com javascript: For more options, visit this group at http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: call superclass method in classes created by Clojure?
Thanks, is there something like that for reify? On Thursday, November 29, 2012 2:52:56 AM UTC+4, Meikel Brandmeyer (kotarak) wrote: Am 28.11.12 23:10, schrieb Vladimir Tsichevski: Is it possible? See exposes-methods in documentation for gen-class. http://clojure.github.com/clojure/clojure.core-api.html#clojure.core/gen-class Kind regards Meikel -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: call superclass method in classes created by Clojure?
Thanks On Thursday, November 29, 2012 5:33:20 PM UTC+4, David Powell wrote: reify can only implement interfaces and protocols, so there aren't any superclass methods to call (except the ones in Object I guess). On Thu, Nov 29, 2012 at 1:30 PM, Vladimir Tsichevski tsich...@gmail.comjavascript: wrote: Thanks, is there something like that for reify? On Thursday, November 29, 2012 2:52:56 AM UTC+4, Meikel Brandmeyer (kotarak) wrote: Am 28.11.12 23:10, schrieb Vladimir Tsichevski: Is it possible? See exposes-methods in documentation for gen-class. http://clojure.github.com/**clojure/clojure.core-api.html#** clojure.core/gen-classhttp://clojure.github.com/clojure/clojure.core-api.html#clojure.core/gen-class Kind regards Meikel -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.comjavascript: Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com javascript: For more options, visit this group at http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
call superclass method in classes created by Clojure?
Is it possible? -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: How to add an URL into the classpath?
Hi Yoshinori, after (unsuccessfully) struggling with Clojure dynamic ClassLoaders in clojure-1.4, I ended up with the 'brute force' solution--just add URL entries to the Java system classloader. Here is a simple example on how to do it from clojure: (defn add-system-classpath Add an url path to the system class loader [url-string] (let [field (aget (.getDeclaredFields java.net.URLClassLoader) 0)] (.setAccessible field true) (let [ucp (.get field (ClassLoader/getSystemClassLoader))] (.addURL ucp (java.net.URL. url-string) (add-system-classpath file:/some/clojure/root/) (load some/clojure/file) ;; load the some/clojure/file.clj from the /some/clojure/root/ catalog (add-system-classpath file:/some/java/classes/) some.java.MyClass ;; use the some.java.MyClass in the /some/java/classes/ catalog Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Run Counterclockwise nREPL on specific port
Hi, I've started a nREPL process embedded into some Java application. I can successfully connect to it and execute code remotely from other Clojure process. Now I need a client to provide me interactive REPL session. Since I use Counterclockwise, can I force Counterclockwise not to start a Closure project, but connect to a remote application already listening at some known port? Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: Run Counterclockwise nREPL on specific port
Hi Jim, On Tuesday, November 20, 2012 10:13:02 PM UTC+4, Jim foo.bar wrote: On 20/11/12 18:08, Vladimir Tsichevski wrote: I've started a nREPL process embedded into some Java application. I can successfully connect to it and execute code remotely from other Clojure process. I'd be very interested if you could share some code...I want to do something similar in one of my projects... Not much of code at the moment, mostly taken from an example on nREPL project page: String str = (use '[clojure.tools.nrepl.server :only (start-server stop-server)])(defonce server (start-server :port 7888)); Compiler.load(new StringReader(text)); Now I need a client to provide me interactive REPL session. Since I use Counterclockwise, can I force Counterclockwise not to start a Closure project, but connect to a remote application already listening at some known port? CCW has a 'connect to repl' option under 'Window'. It asks doe an IP and a port number...is this what you're looking for? Exactly! The menu location is quite unusual for Eclipse :-( Jim -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: impossible to create classes for non-closure environment
Hi Stuart. thank you for pointing me to my 'cloSure' misspelling. Have lived in the Scheme world for too long :-) As to Java classes generation, IMHO it is more save to generate Java bytecode directly instead of using intermediate Java sources. This is how I create classes now using a generator written in Java. Now I have to re-write this generator in CloJure. Regards, Vladimir On Monday, November 5, 2012 1:09:11 AM UTC+4, Stuart Sierra wrote: Hello, Clojure (by the way, it is not spelled closure) is not really designed to generate pure-Java classes. `gen-class` is slightly more flexible than `deftype`, but it will still generate references to Clojure classes. If the structure of your Java classes is defined by interfaces, `deftype` can implement those interfaces. But if the structure of the Java classes is very regular, you may find it easier to generate Java source code as strings. That's how all the primitive interfaces in clojure.lang.IFn were created. -S On Sunday, November 4, 2012 4:43:59 AM UTC-5, Vladimir Tsichevski wrote: Thank you Stephen, the problem is that it is impossible to create create a Java class using closure with the following characteristics: 1) all methods must match given Java signature. For example, if I need a method public String getSomeString(); all I get is public Object getSomeString(); closure ignores my String hints and always uses Object instead. 2) must be no references to any closure classes. Now the closure compiler unconditionally creates at least one extra method public static IPersistentVector getBasis() which references several classes from closure runtime. Regards, Vladimir On Sat, 2012-11-03 at 13:57 -0700, Vladimir Tsichevski wrote: In one of my purely Java project I have to create hundreds of java classes with repeatable structure, so the task is an excellent candidate for automation. I hoped I will be able to create these classes with the latest closure, using the 'deftype' construct. If you know all the details of classes to create at compile time, you can use macros instead, which are perfectly well able to output deftype forms. Untested: (defmacro defrefs Make a bunch of :x boxes. [ names] `(do ~@(map (fn [name] `(defrecord ~name [~'x])) names))) ;; makes classes foo, bar, baz, qux, quux, all with the :x field. (defrefs foo bar baz qux quux) -- Stephen Compall ^aCollection allSatisfy: [:each|aCondition]: less is better -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: impossible to create classes for non-closure environment
Thanks Nicolas, may be you are right, and I'll end up with Kawa or Bigloo. I just evaluate Clojure, trying to find out if it fits to my goals. On Monday, November 5, 2012 1:40:10 PM UTC+4, Nicolas Oury wrote: I am not sure it will help, but have you tried Kawa? It is a Scheme compiling to the JVM, with support for macro as well and seems to be lower level than Clojure, which might help with your task. I know. I used Kawa back in 2004. I even mentioned in the Kawa acknowledgements http://www.gnu.org/software/kawa/Acknowledgements.html :-) On Mon, Nov 5, 2012 at 9:07 AM, Vladimir Tsichevski tsich...@gmail.comjavascript: wrote: Hi Stuart. thank you for pointing me to my 'cloSure' misspelling. Have lived in the Scheme world for too long :-) As to Java classes generation, IMHO it is more save to generate Java bytecode directly instead of using intermediate Java sources. This is how I create classes now using a generator written in Java. Now I have to re-write this generator in CloJure. Regards, Vladimir On Monday, November 5, 2012 1:09:11 AM UTC+4, Stuart Sierra wrote: Hello, Clojure (by the way, it is not spelled closure) is not really designed to generate pure-Java classes. `gen-class` is slightly more flexible than `deftype`, but it will still generate references to Clojure classes. If the structure of your Java classes is defined by interfaces, `deftype` can implement those interfaces. But if the structure of the Java classes is very regular, you may find it easier to generate Java source code as strings. That's how all the primitive interfaces in clojure.lang.IFn were created. -S On Sunday, November 4, 2012 4:43:59 AM UTC-5, Vladimir Tsichevski wrote: Thank you Stephen, the problem is that it is impossible to create create a Java class using closure with the following characteristics: 1) all methods must match given Java signature. For example, if I need a method public String getSomeString(); all I get is public Object getSomeString(); closure ignores my String hints and always uses Object instead. 2) must be no references to any closure classes. Now the closure compiler unconditionally creates at least one extra method public static IPersistentVector getBasis() which references several classes from closure runtime. Regards, Vladimir On Sat, 2012-11-03 at 13:57 -0700, Vladimir Tsichevski wrote: In one of my purely Java project I have to create hundreds of java classes with repeatable structure, so the task is an excellent candidate for automation. I hoped I will be able to create these classes with the latest closure, using the 'deftype' construct. If you know all the details of classes to create at compile time, you can use macros instead, which are perfectly well able to output deftype forms. Untested: (defmacro defrefs Make a bunch of :x boxes. [ names] `(do ~@(map (fn [name] `(defrecord ~name [~'x])) names))) ;; makes classes foo, bar, baz, qux, quux, all with the :x field. (defrefs foo bar baz qux quux) -- Stephen Compall ^aCollection allSatisfy: [:each|aCondition]: less is better -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.comjavascript: Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com javascript: For more options, visit this group at http://groups.google.com/group/clojure?hl=en -- Sent from an IBM Model M, 15 August 1989. -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: impossible to create classes for non-closure environment
Thank you Stephen, the problem is that it is impossible to create create a Java class using closure with the following characteristics: 1) all methods must match given Java signature. For example, if I need a method public String getSomeString(); all I get is public Object getSomeString(); closure ignores my String hints and always uses Object instead. 2) must be no references to any closure classes. Now the closure compiler unconditionally creates at least one extra method public static IPersistentVector getBasis() which references several classes from closure runtime. Regards, Vladimir On Sat, 2012-11-03 at 13:57 -0700, Vladimir Tsichevski wrote: In one of my purely Java project I have to create hundreds of java classes with repeatable structure, so the task is an excellent candidate for automation. I hoped I will be able to create these classes with the latest closure, using the 'deftype' construct. If you know all the details of classes to create at compile time, you can use macros instead, which are perfectly well able to output deftype forms. Untested: (defmacro defrefs Make a bunch of :x boxes. [ names] `(do ~@(map (fn [name] `(defrecord ~name [~'x])) names))) ;; makes classes foo, bar, baz, qux, quux, all with the :x field. (defrefs foo bar baz qux quux) -- Stephen Compall ^aCollection allSatisfy: [:each|aCondition]: less is better -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Java-to-Clojure source translation?
Hi gurus, I wonder if there are any means that'd help me translate Java sources to Clojure? I do not expect getting working Closure code OOTB, just anything to start from. Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: Java-to-Clojure source translation?
Hi Maik, no, I need to re-implement existing code in Clojure. Why do you want this? If you have java code you can just call it from clojure.no need for translation Am 04.11.2012 19:39 schrieb Vladimir Tsichevski tsich...@gmail.comjavascript: : Hi gurus, I wonder if there are any means that'd help me translate Java sources to Clojure? I do not expect getting working Closure code OOTB, just anything to start from. Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.comjavascript: Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com javascript: For more options, visit this group at http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
pattern-matching in Closure?
Hi gurus. Is it possible in Clojure to use pattern matching, like I can with Bigloo scheme, for example: (match-case '(a b a) ((?x ?x) 'foo) ((?x ?- ?x) 'bar)) Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: Java-to-Clojure source translation?
Hi Stuart. On Monday, November 5, 2012 1:10:36 AM UTC+4, Stuart Sierra wrote: Hello, It is not really possible to make a direct translation from Java to Clojure. Java has mutable variables and imperative flow-control, for which there is no equivalent in Clojure. -S That's why I'm looking for means which could HELP me rewrite my code base to Clojure, not to produce compilable and runnable code. Just parse Java syntax tree and pretty-print it back as Clojure-like text. Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: pattern-matching in Closure?
Hi Moritz, this looks promising. Do you know where can I get any documentation/examples for this module? Regards, Vladimir On Monday, November 5, 2012 1:10:59 AM UTC+4, Moritz Ulrich wrote: Use core.match: https://github.com/clojure/core.match On Sun, Nov 4, 2012 at 10:09 PM, Vladimir Tsichevski tsich...@gmail.com javascript: wrote: Hi gurus. Is it possible in Clojure to use pattern matching, like I can with Bigloo scheme, for example: (match-case '(a b a) ((?x ?x) 'foo) ((?x ?- ?x) 'bar)) Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.comjavascript: Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com javascript: For more options, visit this group at http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
Re: pattern-matching in Closure?
Excellent! Thanks! On Monday, November 5, 2012 2:12:16 AM UTC+4, Marek Šrank wrote: At the wiki: https://github.com/clojure/core.match/wiki :-) Marek. On Sunday, November 4, 2012 11:03:40 PM UTC+1, Vladimir Tsichevski wrote: Hi Moritz, this looks promising. Do you know where can I get any documentation/examples for this module? Regards, Vladimir On Monday, November 5, 2012 1:10:59 AM UTC+4, Moritz Ulrich wrote: Use core.match: https://github.com/clojure/core.match On Sun, Nov 4, 2012 at 10:09 PM, Vladimir Tsichevski tsich...@gmail.com wrote: Hi gurus. Is it possible in Clojure to use pattern matching, like I can with Bigloo scheme, for example: (match-case '(a b a) ((?x ?x) 'foo) ((?x ?- ?x) 'bar)) Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
impossible to create classes for non-closure environment
Hi closure developers. In one of my purely Java project I have to create hundreds of java classes with repeatable structure, so the task is an excellent candidate for automation. I hoped I will be able to create these classes with the latest closure, using the 'deftype' construct. I learned currently it is impossible to do that with closure. Is that functionality planned for future releases? What is the correct place to ask for clojure improvements? Regards, Vladimir -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
