Well, I have a ton of existing code that uses this pattern, so I'd rather not have to force everyone to have to go through that hassle. If there's a way that I can mimic GSON's functionality seamlessly, then I'd like to take that route.
On Sat, Jun 24, 2017 at 9:07 AM Romain Manni-Bucau <[email protected]> wrote: > What about adding @JsonbCreator on the constructor and moving the property > to the constructor arguments? > > > Romain Manni-Bucau > @rmannibucau <https://twitter.com/rmannibucau> | Blog > <https://blog-rmannibucau.rhcloud.com> | Old Blog > <http://rmannibucau.wordpress.com> | Github < > https://github.com/rmannibucau> | > LinkedIn <https://www.linkedin.com/in/rmannibucau> | JavaEE Factory > <https://javaeefactory-rmannibucau.rhcloud.com> > > 2017-06-24 15:05 GMT+02:00 James Carman <[email protected]>: > > > Okay, let me fully explain what I'm trying to do. I'll take a simple > > example. I'm trying to read data from Consul. So, I'm using a > > WebTarget-based implementation to talk to Consul, but I'm trying to use > > JSON-B to parse the response. I have a ConsulNode class: > > > > public class ConsulNode { > > > > @JsonbProperty("Key") > > private final String key; > > > > @JsonbProperty("Value") > > private final String value; > > > > public ConsulNode(String key, String value) { > > this.key = key; > > this.value = value; > > } > > > > public String getKey() { > > return key; > > } > > > > public String getValue() { > > return value; > > } > > } > > > > When I attempt to parse the response into a List<ConsulNode>, I get the > > following exception: > > > > javax.json.bind.JsonbException: class > > org.microbule.config.consul.ConsulNode not instantiable > > > > at org.apache.johnzon.jsonb.JohnsonJsonb.fromJson(JohnsonJsonb.java:160) > > at > > org.microbule.config.consul.ConsulConfigProviderTest.parseResponse( > > ConsulConfigProviderTest.java:83) > > at > > org.microbule.config.consul.ConsulConfigProviderTest.testGetConfig( > > ConsulConfigProviderTest.java:75) > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > at > > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: > > 62) > > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke( > > DelegatingMethodAccessorImpl.java:43) > > at java.lang.reflect.Method.invoke(Method.java:497) > > at > > org.junit.runners.model.FrameworkMethod$1.runReflectiveCall( > > FrameworkMethod.java:50) > > at > > org.junit.internal.runners.model.ReflectiveCallable.run( > > ReflectiveCallable.java:12) > > at > > org.junit.runners.model.FrameworkMethod.invokeExplosively( > > FrameworkMethod.java:47) > > at > > org.junit.internal.runners.statements.InvokeMethod. > > evaluate(InvokeMethod.java:17) > > at > > org.junit.internal.runners.statements.RunBefores. > > evaluate(RunBefores.java:26) > > at > > org.junit.internal.runners.statements.RunAfters.evaluate( > > RunAfters.java:27) > > at > > org.junit.rules.ExpectedException$ExpectedExceptionStatement. > > evaluate(ExpectedException.java:239) > > at org.junit.rules.RunRules.evaluate(RunRules.java:20) > > at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) > > at > > org.junit.runners.BlockJUnit4ClassRunner.runChild( > > BlockJUnit4ClassRunner.java:78) > > at > > org.junit.runners.BlockJUnit4ClassRunner.runChild( > > BlockJUnit4ClassRunner.java:57) > > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) > > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) > > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) > > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) > > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) > > at org.junit.runners.ParentRunner.run(ParentRunner.java:363) > > at org.junit.runner.JUnitCore.run(JUnitCore.java:137) > > at > > com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs( > > JUnit4IdeaTestRunner.java:68) > > at > > com.intellij.rt.execution.junit.IdeaTestRunner$Repeater. > > startRunnerWithArgs(IdeaTestRunner.java:51) > > at > > com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart( > > JUnitStarter.java:242) > > at > com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) > > Caused by: org.apache.johnzon.mapper.MapperException: class > > org.microbule.config.consul.ConsulNode not instantiable > > at > > org.apache.johnzon.mapper.MappingParserImpl.buildObject( > > MappingParserImpl.java:281) > > at > > org.apache.johnzon.mapper.MappingParserImpl.toObject( > > MappingParserImpl.java:484) > > at > > org.apache.johnzon.mapper.MappingParserImpl.mapCollection( > > MappingParserImpl.java:603) > > at > > org.apache.johnzon.mapper.MappingParserImpl.readObject( > > MappingParserImpl.java:175) > > at > > org.apache.johnzon.mapper.MappingParserImpl.readObject( > > MappingParserImpl.java:127) > > at > > org.apache.johnzon.mapper.MappingParserImpl.readObject( > > MappingParserImpl.java:117) > > at org.apache.johnzon.mapper.Mapper.mapObject(Mapper.java:236) > > at org.apache.johnzon.mapper.Mapper.readCollection(Mapper.java:207) > > at org.apache.johnzon.jsonb.JohnsonJsonb.fromJson(JohnsonJsonb.java:151) > > ... 28 more > > > > On Sat, Jun 24, 2017 at 8:55 AM Romain Manni-Bucau < > [email protected]> > > wrote: > > > > > Have to admit I don't fully see the use case since noarg contructors > are > > > not mandatory but JOHNZON-130 opens the doort to custom extensions. > > > > > > If the need is something like myInstance == jsonMapper.map(myInstance, > > > input) it shouldnt be hard to extract it from our mapper but not sure > how > > > we would wire it in jsonb api, probably accesMode can help with a > > > threadlocal or so. > > > > > > > > > Romain Manni-Bucau > > > @rmannibucau <https://twitter.com/rmannibucau> | Blog > > > <https://blog-rmannibucau.rhcloud.com> | Old Blog > > > <http://rmannibucau.wordpress.com> | Github < > > > https://github.com/rmannibucau> | > > > LinkedIn <https://www.linkedin.com/in/rmannibucau> | JavaEE Factory > > > <https://javaeefactory-rmannibucau.rhcloud.com> > > > > > > 2017-06-24 14:49 GMT+02:00 James Carman <[email protected]>: > > > > > > > Well, my use case is that I want to let Johnzon instantiate objects > > when > > > > there is no special annotation or factory method present. I just > want > > it > > > > to instantiate the object and then populate the fields. I realize > this > > > is > > > > somewhat niche, so I don't know if I'll push a PR for the > > implementation, > > > > unless you guys want me to. This will mimic what I currently have > with > > > > GSON which proves to be very convenient, especially in JAX-RS. > > > > > > > > On Sat, Jun 24, 2017 at 8:28 AM Romain Manni-Bucau < > > > [email protected]> > > > > wrote: > > > > > > > > > Internals: > > > > > > > > > > in general you do builder.setAccessMode(accessMode); > > > > > but in jsonb context we didnt wire it yet cause we enforce > > > > > JsonbAccessMode but > > > > > we can surely still expose it (in particular read from jsonbconfig > > > > > properties the delegate). > > > > > > > > > > Spec: > > > > > > > > > > In jsonb we have @JsonbCreator support for constructors. > > > > > > > > > > > > > > > Romain Manni-Bucau > > > > > @rmannibucau <https://twitter.com/rmannibucau> | Blog > > > > > <https://blog-rmannibucau.rhcloud.com> | Old Blog > > > > > <http://rmannibucau.wordpress.com> | Github < > > > > > https://github.com/rmannibucau> | > > > > > LinkedIn <https://www.linkedin.com/in/rmannibucau> | JavaEE > Factory > > > > > <https://javaeefactory-rmannibucau.rhcloud.com> > > > > > > > > > > 2017-06-24 14:19 GMT+02:00 James Carman < > [email protected] > > >: > > > > > > > > > > > Are there docs on how to provide my own AccessMode > implementation? > > > > > > > > > > > > > > > > > > > > > > > > On Sat, Jun 24, 2017 at 8:16 AM Romain Manni-Bucau < > > > > > [email protected]> > > > > > > wrote: > > > > > > > > > > > > > Using a custom accessmode you can. > > > > > > > > > > > > > > Side note: we have constructor support I think. > > > > > > > > > > > > > > Le 24 juin 2017 13:59, "James Carman" < > > [email protected]> > > > a > > > > > > > écrit : > > > > > > > > > > > > > > > Current, with Johnzon, I can't instantiate objects for > classes > > > > where > > > > > I > > > > > > > have > > > > > > > > no default constructor available. With GSON, it supports > this > > > > using > > > > > > the > > > > > > > > Unsafe class I believe. Is there a way for me to provide my > > own > > > > > > > > instantiator implementation (I'd probably pick Objenesis)? I > > > don't > > > > > > want > > > > > > > to > > > > > > > > have to provide default constructors for all of my immutable > > > > > "request" > > > > > > > > objects when using Johnzon in my JAX-RS MessageBodyReader/ > > > > > > > > MessageBodyWriter. > > > > > > > > > > > > > > > > Thanks, > > > > > > > > > > > > > > > > James > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >
