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Java Forum / General / January 2008annotation processing in eclipse
JDK 5 JDK EE 5 Eclipse 3.3.1.1 I'm trying to write simple test webservice with only one method that returns some string. From what I've found on the net it seems as if it's enough to put @WebService annotation for the class and annotation processor would generate necessary files for deployment on application server. I've enabled annotation processing for the project in Eclipse, left default ".apt_generated" source directory and chosen tools.jar from JDK EE as "JARs that contain annotation processors". But nothing happens when I build the project (whether it is clean build or just manual build of a single Java class). What am I missing? I've found some examples on the net but they all demonstrate how to write one's own annotation processor and that's not what I need. stc schreef: > JDK 5 > JDK EE 5 [quoted text clipped - 4 lines] > put @WebService annotation for the class and annotation processor would > generate necessary files for deployment on application server. Where did you find this? > I've enabled annotation processing for the project in Eclipse, left default > ".apt_generated" source directory and chosen tools.jar from JDK EE as "JARs [quoted text clipped - 4 lines] > some examples on the net but they all demonstrate how to write one's own > annotation processor and that's not what I need. I suppose the website you are talking about provides some tool to do this. H.  SignatureHendrik Maryns http://tcl.sfs.uni-tuebingen.de/~hendrik/ ================== http://aouw.org Ask smart questions, get good answers: http://www.catb.org/~esr/faqs/smart-questions.html I've been looking into this subject today and from what I've gathered there are several standard command-line tools provided by Sun (apt, wsgen...) that do all the work of generating stubs, wsdl, xsd and other files necessary for deploying webservice. Annotation processor is a term mentioned there and Eclipse has some kind of support for that. I must admit that I couldn't find one clear step-by-step example, only parts of information I could barely use. I managed to generate something using apt but I didn't get wsdl and xsd files... stc schreef: >> I'm trying to write simple test webservice with only one method that returns >> some string. From what I've found on the net it seems as if it's enough to >> put @WebService annotation for the class and annotation processor would >> generate necessary files for deployment on application server. Hendrik Maryns wrote: > Where did you find this? I, too, am interested in the answer to Hendrik's question. What is the answer? SignatureLew > stc schreef: > >> I'm trying to write simple test webservice with only one method that [quoted text clipped - 9 lines] > I, too, am interested in the answer to Hendrik's question. What is the > answer? Not on some specific website but all over the net. At least, that's what I thought I found. NetBeans generates all files necessary to deploy webservice just by adding @WebService annotation to the class so I thought Eclipse could do the same. >> stc schreef: >>>> I'm trying to write simple test webservice with only one method that [quoted text clipped - 12 lines] > just by adding @WebService annotation to the class so I thought Eclipse > could do the same. Please cite a reference for the @WebService annotation. SignatureLew >>> stc schreef: >>>>> I'm trying to write simple test webservice with only one method [quoted text clipped - 13 lines] >> deploy webservice just by adding @WebService annotation to the class >> so I thought Eclipse could do the same. Annotations have to be processed by a processor aware of the annotations. At a minimum you need a library that implements JSR 181 in your project. It might be that Eclipse doesn't have logic to handle these annotations, but perhaps there is a plugin that will remedy that. It seems that NetBeans is equipped to handle JSR 181 automagically for you right out of the box. SignatureLew > Annotations have to be processed by a processor aware of the annotations. > At a minimum you need a library that implements JSR 181 in your project. > It might be that Eclipse doesn't have logic to handle these annotations, > but perhaps there is a plugin that will remedy that. It seems that > NetBeans is equipped to handle JSR 181 automagically for you right out of > the box. Eclipse has something under Project Properties - Java Compiler - Annotations Processing but nothing happens when I configure it. Truth be told, there's something "Plug-ins and JARs that contain annotation processors" and I put JDK EE's tools.jar there (it works with apt command line utility) but maybe it needs specifically written plug-in... >> Annotations have to be processed by a processor aware of the annotations. >> At a minimum you need a library that implements JSR 181 in your project. [quoted text clipped - 8 lines] > JDK EE's tools.jar there (it works with apt command line utility) but maybe > it needs specifically written plug-in... Usually I've found that just having the JAR with the annotation class definitions in the project class path suffices. SignatureLew Hi, I have a similar problem: I have custom annotation, but eclipse says "cannot be resolved to a type". But the strange is that it only occurs on annotation, which has variables. For example I have this annotation: @XmlNode(tagName = "test") public final class test { ... } The corresponding annotation-interface is: @Target(ElementType.TYPE) @Retention(RetentionPolicy.RUNTIME) public @interface XmlNode { String namespaceUri() default "http://www.test.com/test"; String namespacePrefix() default "test"; String tagName(); } Any idea, why it is not working? Thanks in advance, Franz Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. 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