Also, I could just use activator and not use IPOJO for TUI component. I through I was doing something wrong. However, looks like we need to raise an issue with IPOJO Annotation to properly convert string into String array?
Thanks for the info on the "e" and "type" commands. I did not see them documented anywhere did you dig in the code to uncover theme? On Thu, Jun 16, 2011 at 2:13 AM, Derek Baum <[email protected]> wrote: > Hmmm this seems to be a limitation of the iPojo @ServiceProperty > annotation. > > You don't actually need the gogo help command to test your example. > > another command which will show the existence of your search command is > 'type': > > g! type search > > search is Set<Book> book:search(String, String, String, String) > search is Set<Book> book:search(String, String, String, int, int) > > You should be able to invoke it directly: > > g! search args ... > > Derek > > > > > On 16 June 2011 09:58, Mike Veksler <[email protected]> wrote: > > > I tried registing FUNCTIONS however the annotation expects String value > and > > not String array. > > > > On Thu, Jun 16, 2011 at 1:55 AM, Derek Baum <[email protected]> > > wrote: > > > > > This is a bug in the gogo help command. > > > > > > Services proving commands can be registered with > > > @ServiceProperty(name = "osgi.command.function", functions) > > > > > > where functions is either String or String[]. > > > > > > The gogo help command does not take account of this being a String > rather > > > than String[]. > > > > > > The quick fix for now is to register FUNCTIONS rather than > FUNCTIONS_STR. > > > > > > I'll raise an issue to fix the gogo help command. > > > > > > Derek > > > > > > > > > On 16 June 2011 09:46, Mike Veksler <[email protected]> wrote: > > > > > > > Here is the stack trace: > > > > g! e > > > > java.lang.ClassCastException: java.lang.String cannot be cast to > > > > [Ljava.lang.String; > > > > at > > org.apache.felix.gogo.command.Basic.getCommands(Basic.java:384) > > > > at org.apache.felix.gogo.command.Basic.help(Basic.java:211) > > > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > > > at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) > > > > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown > > Source) > > > > at java.lang.reflect.Method.invoke(Unknown Source) > > > > at > > > > org.apache.felix.gogo.runtime.Reflective.method(Reflective.java:136) > > > > at > > > > > > org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:82) > > > > at > > > > org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:469) > > > > at > > > > > > org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:395) > > > > at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108) > > > > at > > org.apache.felix.gogo.runtime.Closure.execute(Closure.java:183) > > > > at > > org.apache.felix.gogo.runtime.Closure.execute(Closure.java:120) > > > > at > > > > > > > > > > > > > > org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.jav > > > > a:89) > > > > at org.apache.felix.gogo.shell.Console.run(Console.java:62) > > > > at org.apache.felix.gogo.shell.Shell.console(Shell.java:203) > > > > at org.apache.felix.gogo.shell.Shell.gosh(Shell.java:128) > > > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > > > at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) > > > > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown > > Source) > > > > at java.lang.reflect.Method.invoke(Unknown Source) > > > > at > > > > org.apache.felix.gogo.runtime.Reflective.method(Reflective.java:136) > > > > at > > > > > > org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:82) > > > > at > > > > org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:469) > > > > at > > > > > > org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:395) > > > > at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108) > > > > at > > org.apache.felix.gogo.runtime.Closure.execute(Closure.java:183) > > > > at > > org.apache.felix.gogo.runtime.Closure.execute(Closure.java:120) > > > > at > > > > > > > > > > > > > > org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.jav > > > > a:89) > > > > at > > > > org.apache.felix.shell.remote.Shell.startGogoShell(Shell.java:108) > > > > at org.apache.felix.shell.remote.Shell.run(Shell.java:81) > > > > at java.lang.Thread.run(Unknown Source) > > > > g! > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Thu, Jun 16, 2011 at 1:39 AM, Derek Baum <[email protected]> > > > > wrote: > > > > > > > > > Have you got a stack trace? > > > > > > > > > > Type 'e' in gogo after an exception is reported to see the stack > > trace > > > > > > > > > > 'e' is actually a function: > > > > > g! type e > > > > > e is function { $exception printStackTrace } > > > > > > > > > > which simply invokes the printStackTrace() method on the Exception > > > object > > > > > stored in the gogo exception variable. > > > > > > > > > > Derek > > > > > > > > > > On 16 June 2011 06:35, Mike Veksler <[email protected]> wrote: > > > > > > > > > > > I am trying to go through tutorial from OSGI and Apache Felix 3.0 > > > book > > > > > and > > > > > > one of the the examples is to use IPOJO Annotation and Meta.xml. > > When > > > I > > > > > > deploy application to Felix the application runs fine but if i > try > > to > > > > > > lookup > > > > > > help iside Felix Gogo shell, I get error: gogo: > ClassCastException: > > > > > > java.lang.String cannot be cast to [Ljava.lang.String; > > > > > > > > > > > > Here is the code with annotation: > > > > > > > > > > > > package com.packtpub.felix.bookshelf.service.tui; > > > > > > > > > > > > import com.packtpub.felix.bookshelf.inventory.api.Book; > > > > > > import > > > > > > > > > com.packtpub.felix.bookshelf.inventory.api.BookAlreadyExistsException; > > > > > > import > > > > com.packtpub.felix.bookshelf.inventory.api.BookNotFoundException; > > > > > > import > > > com.packtpub.felix.bookshelf.inventory.api.InvalidBookException; > > > > > > import com.packtpub.felix.bookshelf.service.api.BookshelfService; > > > > > > import > > > > > > > > com.packtpub.felix.bookshelf.service.api.InvalidCredentialsException; > > > > > > import > > > > > com.packtpub.felix.bookshelf.service.tui.api.BookshelfServiceProxy; > > > > > > import org.apache.felix.ipojo.annotations.Component; > > > > > > import org.apache.felix.ipojo.annotations.Provides; > > > > > > import org.apache.felix.ipojo.annotations.Requires; > > > > > > import org.apache.felix.ipojo.annotations.ServiceProperty; > > > > > > import org.apache.felix.service.command.Descriptor; > > > > > > //import org.osgi.framework.BundleContext; > > > > > > import org.osgi.framework.ServiceReference; > > > > > > > > > > > > import java.util.HashSet; > > > > > > import java.util.Set; > > > > > > > > > > > > > > > > > > @Component(name = "BookshelfServiceProxy") > > > > > > @Provides > > > > > > public class BookshelfServiceProxyImpl implements > > > > BookshelfServiceProxy{ > > > > > > public static final String SCOPE = "book"; > > > > > > > > > > > > @ServiceProperty(name = "osgi.command.scope", value = SCOPE) > > > > > > public String gogoScope; > > > > > > > > > > > > public static final String[] FUNCTIONS = new String[] { > > > > > > "add", "search" > > > > > > }; > > > > > > > > > > > > public static final String FUNCTIONS_STR ="search"; > > > > > > @ServiceProperty(name = "osgi.command.function", value = > > > > > FUNCTIONS_STR) > > > > > > public String gogoFunctions; > > > > > > > > > > > > //private BundleContext context; > > > > > > @Requires > > > > > > private BookshelfService bookshelf; > > > > > > > > > > > > // public BookshelfServiceProxyImpl(BundleContext context){ > > > > > > // this.context = context; > > > > > > // } > > > > > > public BookshelfServiceProxyImpl(){ > > > > > > } > > > > > > > > > > > > @Descriptor("Search books by author, title, or category") > > > > > > public Set<Book> search( > > > > > > @Descriptor("username") > > > > > > String username, > > > > > > @Descriptor("password") > > > > > > String password, > > > > > > @Descriptor( > > > > > > "search on attribute: author, title, or > > category" > > > > > > ) > > > > > > String attribute, > > > > > > @Descriptor( > > > > > > "match like (use % at the beginning or end of > > > > <like>" > > > > > + > > > > > > " for wild-card)") > > > > > > String filter) throws InvalidCredentialsException{ > > > > > > > > > > > > BookshelfService service = lookupService(); > > > > > > > > > > > > String sessionid = > > > > service.login(username,password.toCharArray()); > > > > > > Set<String> results; > > > > > > > > > > > > if("title".equals(attribute)){ > > > > > > results = > service.searchBooksByTitle(sessionid,filter); > > > > > > } > > > > > > else if("author".equals(attribute)){ > > > > > > results = > service.searchBooksByAuthor(sessionid,filter); > > > > > > } > > > > > > else if("category".equals(attribute)){ > > > > > > results = > > service.searchBooksByCategory(sessionid,filter); > > > > > > } > > > > > > else{ > > > > > > throw new RuntimeException( > > > > > > "Invalid attribute, expecting one of { > 'title', > > " > > > + > > > > > > "'author', 'category' } got > > > > '"+attribute+"'"); > > > > > > } > > > > > > return getBooks(sessionid,service,results); > > > > > > > > > > > > } > > > > > > > > > > > > @Descriptor("Search books by rating") > > > > > > public Set<Book> search( > > > > > > @Descriptor("username") > > > > > > String username, > > > > > > @Descriptor("password") > > > > > > String password, > > > > > > @Descriptor("search on attribute rating") > > > > > > String attribute, > > > > > > @Descriptor("lower rating limit (inclusive)") > > > > > > int lower, > > > > > > @Descriptor("upper rating limit (inclusive)") > > > > > > int upper) throws InvalidCredentialsException { > > > > > > > > > > > > if(!"rating".equals(attribute)){ > > > > > > throw new RuntimeException( > > > > > > "Invalid attribute, expecting 'rating' got '"+ > > > > > > attribute+"'"); > > > > > > } > > > > > > > > > > > > BookshelfService service = lookupService(); > > > > > > String sessionid = > > > > service.login(username,password.toCharArray()); > > > > > > Set<String> results = > > > > > > service.searchBooksByRating(sessionid,lower,upper); > > > > > > return getBooks(sessionid,service,results); > > > > > > } > > > > > > > > > > > > @Descriptor("Add book to the inventory") > > > > > > public String add( > > > > > > @Descriptor("username") String username, > > > > > > @Descriptor("password") String password, > > > > > > @Descriptor("ISBN") String isbn, > > > > > > @Descriptor("Title") String title, > > > > > > @Descriptor("Author") String author, > > > > > > @Descriptor("Category") String category, > > > > > > @Descriptor("Rating (0..10)") int rating) > > > > > > throws InvalidCredentialsException, > > > > > > BookAlreadyExistsException, > > > > > > InvalidBookException{ > > > > > > BookshelfService service = lookupService(); > > > > > > String sessionId = > > > > service.login(username,password.toCharArray()); > > > > > > > > service.addBook(sessionId,isbn,title,author,category,rating); > > > > > > return isbn; > > > > > > } > > > > > > > > > > > > private BookshelfService lookupService(){ > > > > > > // ServiceReference reference = > context.getServiceReference( > > > > > > // BookshelfService.class.getName()); > > > > > > // if(reference==null){ > > > > > > // throw new RuntimeException("BookshelfService not > > > > > > registered,cannot invoke "+ > > > > > > // "operation"); > > > > > > // } > > > > > > // BookshelfService service = (BookshelfService) > > > > > > this.context.getService(reference); > > > > > > // if(service==null){ > > > > > > // throw new RuntimeException( > > > > > > // "BookshelfService not registered, cannot > > invoke > > > > "+ > > > > > > // "operation"); > > > > > > // } > > > > > > // return service; > > > > > > return this.bookshelf; > > > > > > } > > > > > > > > > > > > private Set<Book> getBooks( > > > > > > String sessionid, BookshelfService service, > > > > > > Set<String> results) { > > > > > > Set<Book> books = new HashSet<Book>(); > > > > > > for(String isbn: results){ > > > > > > Book book; > > > > > > try{ > > > > > > book = service.getBook(sessionid,isbn); > > > > > > books.add(book); > > > > > > } catch (BookNotFoundException e) { > > > > > > System.out.println("ISBN "+ isbn + > > > > > > " referenced but not found"); > > > > > > } > > > > > > } > > > > > > return books; > > > > > > } > > > > > > } > > > > > > > > > > > > > > > > > > Here is meta.xml: > > > > > > > > > > > > <?xml version="1.0" encoding="UTF-8"?> > > > > > > <ipojo xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > > > > > > xsi:schemaLocation="org.apache.felix.ipojo > > > > > > http://felix.apache.org/ipojo/schemas/CURRENT/core.xsd"; > > > > > > xmlns="org.apache.felix.ipojo"> > > > > > > > > > > > > <instance component="BookshelfServiceProxy" > > > > > > name="bookshelf.service.tui"/> > > > > > > </ipojo> > > > > > > > > > > > > > > > > > > > > >
