This answer is similar to Stefan K's approach, but works with Java 10 and Gradle 4.6 and does much the same thing as the Maven plug-in-cegf-codegen plugin.
This solution is based on the blog post Generated Files in Gradle by mooregreatsoftware.com since 2013. This is different in that
- it avoids the build script dependency on
commons-io:commons-io by implementing the very simple TeeOutputStream built-in in Groovy - It is modified to work with Java 9, 10 and potentially 11.
One of the main motives is JEP 320: remove the Java EE and CORBA modules that are planned for Java 11. There are ways to do this with Java 9 and Java 10, using things like --add-modules java.se.ee , but JEP 320 declares:
Since standalone versions of Java EE technologies are easily accessible from third-party sites such as Maven Central, there is no need for Java SE or JDK to be included.
There are two codes, the first is a more compact code that does the job. The second list of codes is the same code, but with annotations and commented out transitive dependencies that you can override.
Shorter version
plugins { id 'java' id 'project-report' } repositories { jcenter() } sourceCompatibility = 10 targetCompatibility = 10 configurations { wsdl2java } dependencies { compile 'org.apache.cxf:cxf-rt-frontend-jaxws:3.2.2' compile 'org.apache.cxf:cxf-rt-transports-http:3.2.2' compile 'javax.xml.ws:jaxws-api:2.3.0' compile 'javax.jws:jsr181-api:1.0-MR1' compile 'javax.xml.bind:jaxb-api:2.3.0' compile 'javax.activation:javax.activation-api:1.2.0' compile 'javax.annotation:javax.annotation-api:1.3' wsdl2java 'javax.xml.bind:jaxb-api:2.3.0' wsdl2java 'com.sun.xml.bind:jaxb-ri:2.3.0' wsdl2java 'com.sun.xml.bind:jaxb-xjc:2.3.0' wsdl2java 'com.sun.xml.bind:jaxb-core:2.3.0' wsdl2java 'com.sun.xml.bind:jaxb-impl:2.3.0' wsdl2java 'javax.activation:javax.activation-api:1.2.0' wsdl2java 'javax.annotation:javax.annotation-api:1.3' wsdl2java 'javax.xml.ws:jaxws-api:2.3.0' wsdl2java 'javax.jws:jsr181-api:1.0-MR1' wsdl2java 'org.apache.cxf:cxf-tools-wsdlto-core:3.2.2' wsdl2java 'org.apache.cxf:cxf-tools-wsdlto-frontend-jaxws:3.2.2' wsdl2java 'org.apache.cxf:cxf-tools-wsdlto-databinding-jaxb:3.2.2' } def wsdl2java = task generateJavaFromWsdl(type: JavaExec) { String wsdl = 'src/main/resources/some.wsdl' String genSrcDir = "${projectDir}/build/generated-sources/cxf-ws" inputs.file wsdl outputs.dir genSrcDir classpath configurations.wsdl2java main "org.apache.cxf.tools.wsdlto.WSDLToJava" args '-encoding', 'UTF-8', '-d', genSrcDir, wsdl OutputStream baos = new ByteArrayOutputStream() errorOutput = new OutputStream() { void write(int b) {System.err.write(b); baos.write(b) } void flush() { System.err.flush(); baos.flush() } void close() { System.err.close(); baos.close() } } doLast { def str = baos.toString() if (str.contains('Usage : wsdl2java') || str.contains('WSDLToJava Error')) { throw new TaskExecutionException(tasks[name], new IOException('Apache CXF WSDLToJava has failed. Please see System.err output.')) } } } compileJava.dependsOn += wsdl2java sourceSets.main.java.srcDirs = ['src/main/java', 'build/generated-sources/cxf-ws']
Commented version
plugins { id 'java' id 'project-report' // really useful to find out what gets pulled in transitively } repositories { jcenter() } // works with 1.8, 9, 10 and should be working with 11. sourceCompatibility = 10 targetCompatibility = 10 configurations { wsdl2java } dependencies { compile 'org.apache.cxf:cxf-rt-frontend-jaxws:3.2.2' compile 'org.apache.cxf:cxf-rt-transports-http:3.2.2' compile 'javax.xml.ws:jaxws-api:2.3.0' compile 'javax.jws:jsr181-api:1.0-MR1' compile 'javax.xml.bind:jaxb-api:2.3.0' // // You might have these already imported due to other dependencies, but compile 'javax.activation:javax.activation-api:1.2.0' compile 'javax.annotation:javax.annotation-api:1.3' // ===== Apache CXF dependencies for the command line generation of java files // // http://openjdk.java.net/jeps/320 // this JEP lists out exactly which dependencies are required to avoid using // deprecated Java EE modules. // // JAXB dependencies that Apache CXF cxf-tools-wsdlto-databinding-jaxb uses directly // we list them here all so we have a single version 2.3.0 among all of them wsdl2java 'javax.xml.bind:jaxb-api:2.3.0' wsdl2java 'com.sun.xml.bind:jaxb-ri:2.3.0' wsdl2java 'com.sun.xml.bind:jaxb-xjc:2.3.0' wsdl2java 'com.sun.xml.bind:jaxb-core:2.3.0' wsdl2java 'com.sun.xml.bind:jaxb-impl:2.3.0' // // Other stuff that Apache CXF assume to be available from the JDK wsdl2java 'javax.activation:javax.activation-api:1.2.0' wsdl2java 'javax.annotation:javax.annotation-api:1.3' wsdl2java 'javax.xml.ws:jaxws-api:2.3.0' wsdl2java 'javax.jws:jsr181-api:1.0-MR1' // // This is the big lazy solution and it puts the whole jaxws-ri stack on the classpath // As this is just the isolated classpath for wsdl2java you might not care. // This might be useful when you have missing dependencies with the above reduceded // list of dependencies. the Gradle plugin "project-report" has a task "projectReport" // that can really help //wsdl2java('com.sun.xml.ws:jaxws-ri:2.3.0') { // // this dependency is broken in 2.3.0. This articaft is simply not on mavenCentral // or jcenter. It looks like the correct one would be // 'org.eclipse.persistence:commonj.sdo:2.1.1' but we are not in the postion // to change this. As we are not interested in any JPA integration anyways we // just skip it for now. //exclude group: 'commonj.sdo', module: 'commonj.sdo' //} wsdl2java 'org.apache.cxf:cxf-tools-wsdlto-core:3.2.2' wsdl2java 'org.apache.cxf:cxf-tools-wsdlto-frontend-jaxws:3.2.2' wsdl2java 'org.apache.cxf:cxf-tools-wsdlto-databinding-jaxb:3.2.2' } // // there is no real Gradle plugin here, we rather use Gradle build in task JavaExec // which is the Gradle way to call an external java program. def wsdl2java = task generateJavaFromWsdl(type: JavaExec) { String wsdl = 'src/main/resources/some.wsdl' String genSrcDir = "${projectDir}/build/generated-sources/cxf-ws" inputs.file wsdl outputs.dir genSrcDir classpath configurations.wsdl2java main "org.apache.cxf.tools.wsdlto.WSDLToJava" // you can add any of the Apache CXF command line parameters here // http://cxf.apache.org/docs/wsdl-to-java.html args '-encoding', 'UTF-8', '-d', genSrcDir, wsdl // you can set jvmArgs as well. Fi proxy //jvmArgs "-Dhttp.proxyHost=10.10.10.10", "-Dhttp.proxyPort=8080" OutputStream baos = new ByteArrayOutputStream() errorOutput = new OutputStream() { // extrem simplified TeeOutputStream to avoid dependency on Apache commons-io void write(int b) {System.err.write(b); baos.write(b) } // no need to call flush and close on a ByteArrayOutputStream, but lets be safe void flush() { System.err.flush(); baos.flush() } void close() { System.err.close(); baos.close() } } // We inspect the collected logging an throw an TaskExecutionException if necessary. doLast { String str = baos.toString() if (str.contains('Usage : wsdl2java') || str.contains('WSDLToJava Error')) { throw new TaskExecutionException(tasks[name], new IOException('Apache CXF WSDLToJava has failed. Please see System.err output.')) } } } // we hook the custom task wsdl2java into the Gradle tasks graph / life cycle compileJava.dependsOn += wsdl2java // usually we want to access the generated code in the main source set and IDE's sourceSets.main.java.srcDirs = ['src/main/java', 'build/generated-sources/cxf-ws']
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