[cdi] Provides a CDI starter and example
Project: http://git-wip-us.apache.org/repos/asf/karaf-boot/repo Commit: http://git-wip-us.apache.org/repos/asf/karaf-boot/commit/1d2b7741 Tree: http://git-wip-us.apache.org/repos/asf/karaf-boot/tree/1d2b7741 Diff: http://git-wip-us.apache.org/repos/asf/karaf-boot/diff/1d2b7741 Branch: refs/heads/master Commit: 1d2b774123ed025d52bf08c1ec6462b637400506 Parents: 93af001 Author: Guillaume Nodet <[email protected]> Authored: Fri Apr 15 16:39:32 2016 +0200 Committer: Guillaume Nodet <[email protected]> Committed: Fri Apr 15 16:39:32 2016 +0200 ---------------------------------------------------------------------- .../karaf-boot-sample-cdi/README.md | 23 ++++++ .../karaf-boot-sample-cdi/pom.xml | 47 +++++++++++ .../main/java/sample/cdi/IceCreamService.java | 6 ++ .../java/sample/cdi/impl/VanillaService.java | 45 +++++++++++ .../karaf-boot-starter-cdi/pom.xml | 67 ++++++++++++++++ .../karaf/boot/cdi/impl/CdiProcessor.java | 82 ++++++++++++++++++++ .../javax.annotation.processing.Processor | 1 + karaf-boot-starters/pom.xml | 1 + pom.xml | 1 + 9 files changed, 273 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/karaf-boot/blob/1d2b7741/karaf-boot-samples/karaf-boot-sample-cdi/README.md ---------------------------------------------------------------------- diff --git a/karaf-boot-samples/karaf-boot-sample-cdi/README.md b/karaf-boot-samples/karaf-boot-sample-cdi/README.md new file mode 100644 index 0000000..1f98cac --- /dev/null +++ b/karaf-boot-samples/karaf-boot-sample-cdi/README.md @@ -0,0 +1,23 @@ +== karaf-boot-sample-cdi == + +This sample shows how to define a CDI bundle. + += Design + +TODO. + += Build + +To build, simply do: + + mvn clean install + += Deploy + +To deploy i: + +* you can drop the generated jar file (target/karaf-boot-sample-cdi-1.0.jar) in the +Karaf deploy folder +* in the Karaf shell console, do: + + bundle:install -s mvn:org.apache.karaf.boot/karaf-boot-sample-cdi/1.0 \ No newline at end of file http://git-wip-us.apache.org/repos/asf/karaf-boot/blob/1d2b7741/karaf-boot-samples/karaf-boot-sample-cdi/pom.xml ---------------------------------------------------------------------- diff --git a/karaf-boot-samples/karaf-boot-sample-cdi/pom.xml b/karaf-boot-samples/karaf-boot-sample-cdi/pom.xml new file mode 100644 index 0000000..d627b6e --- /dev/null +++ b/karaf-boot-samples/karaf-boot-sample-cdi/pom.xml @@ -0,0 +1,47 @@ +<?xml version="1.0" encoding="UTF-8"?> +<project xmlns="http://maven.apache.org/POM/4.0.0"; xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd";> + + <!-- + + Licensed to the Apache Software Foundation (ASF) under one or more + contributor license agreements. See the NOTICE file distributed with + this work for additional information regarding copyright ownership. + The ASF licenses this file to You under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with + the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + --> + + <modelVersion>4.0.0</modelVersion> + + <groupId>org.apache.karaf.boot</groupId> + <artifactId>karaf-boot-sample-cdi</artifactId> + <version>1.0.0-SNAPSHOT</version> + + <dependencies> + <dependency> + <groupId>org.apache.karaf.boot</groupId> + <artifactId>karaf-boot-starter-cdi</artifactId> + <version>${project.version}</version> + </dependency> + </dependencies> + + <build> + <plugins> + <plugin> + <groupId>org.apache.karaf.boot</groupId> + <artifactId>karaf-boot-maven-plugin</artifactId> + <version>${project.version}</version> + <extensions>true</extensions> + </plugin> + </plugins> + </build> + +</project> http://git-wip-us.apache.org/repos/asf/karaf-boot/blob/1d2b7741/karaf-boot-samples/karaf-boot-sample-cdi/src/main/java/sample/cdi/IceCreamService.java ---------------------------------------------------------------------- diff --git a/karaf-boot-samples/karaf-boot-sample-cdi/src/main/java/sample/cdi/IceCreamService.java b/karaf-boot-samples/karaf-boot-sample-cdi/src/main/java/sample/cdi/IceCreamService.java new file mode 100644 index 0000000..5f9cfac --- /dev/null +++ b/karaf-boot-samples/karaf-boot-sample-cdi/src/main/java/sample/cdi/IceCreamService.java @@ -0,0 +1,6 @@ +package sample.cdi; + +public interface IceCreamService { + + String getFlavour(); +} http://git-wip-us.apache.org/repos/asf/karaf-boot/blob/1d2b7741/karaf-boot-samples/karaf-boot-sample-cdi/src/main/java/sample/cdi/impl/VanillaService.java ---------------------------------------------------------------------- diff --git a/karaf-boot-samples/karaf-boot-sample-cdi/src/main/java/sample/cdi/impl/VanillaService.java b/karaf-boot-samples/karaf-boot-sample-cdi/src/main/java/sample/cdi/impl/VanillaService.java new file mode 100644 index 0000000..3007035 --- /dev/null +++ b/karaf-boot-samples/karaf-boot-sample-cdi/src/main/java/sample/cdi/impl/VanillaService.java @@ -0,0 +1,45 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package sample.cdi.impl; + +import javax.annotation.PostConstruct; +import javax.enterprise.context.ApplicationScoped; + +import org.ops4j.pax.cdi.api.OsgiServiceProvider; +import org.ops4j.pax.cdi.api.Properties; +import org.ops4j.pax.cdi.api.Property; +import sample.cdi.IceCreamService; + +@OsgiServiceProvider(classes = { VanillaService.class, IceCreamService.class }) +@Properties(@Property(name = "flavour", value = "vanilla")) +@ApplicationScoped +class VanillaService implements IceCreamService { + + private boolean initialized; + + @PostConstruct + public void init() { + initialized = true; + } + + public String getFlavour() { + if (!initialized) { + throw new AssertionError("VanillaService is not initialized"); + } + return "Vanilla"; + } +} \ No newline at end of file http://git-wip-us.apache.org/repos/asf/karaf-boot/blob/1d2b7741/karaf-boot-starters/karaf-boot-starter-cdi/pom.xml ---------------------------------------------------------------------- diff --git a/karaf-boot-starters/karaf-boot-starter-cdi/pom.xml b/karaf-boot-starters/karaf-boot-starter-cdi/pom.xml new file mode 100644 index 0000000..3f33d28 --- /dev/null +++ b/karaf-boot-starters/karaf-boot-starter-cdi/pom.xml @@ -0,0 +1,67 @@ +<?xml version="1.0" encoding="UTF-8"?> +<project xmlns="http://maven.apache.org/POM/4.0.0"; xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd";> + + <!-- + + Licensed to the Apache Software Foundation (ASF) under one or more + contributor license agreements. See the NOTICE file distributed with + this work for additional information regarding copyright ownership. + The ASF licenses this file to You under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with + the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + --> + + <modelVersion>4.0.0</modelVersion> + + <parent> + <groupId>org.apache.karaf.boot</groupId> + <artifactId>karaf-boot-starters</artifactId> + <version>1.0.0-SNAPSHOT</version> + <relativePath>../pom.xml</relativePath> + </parent> + + <artifactId>karaf-boot-starter-cdi</artifactId> + + <dependencies> + <dependency> + <groupId>org.osgi</groupId> + <artifactId>osgi.cmpn</artifactId> + <version>${osgi.version}</version> + </dependency> + <dependency> + <groupId>org.ops4j.pax.cdi</groupId> + <artifactId>pax-cdi-api</artifactId> + <version>${pax.cdi.version}</version> + </dependency> + <dependency> + <groupId>javax.enterprise</groupId> + <artifactId>cdi-api</artifactId> + <version>1.2</version> + </dependency> + <dependency> + <groupId>org.apache.geronimo.specs</groupId> + <artifactId>geronimo-atinject_1.0_spec</artifactId> + <version>1.0</version> + </dependency> + </dependencies> + + <build> + <plugins> + <plugin> + <artifactId>maven-compiler-plugin</artifactId> + <configuration> + <compilerArgument>-proc:none</compilerArgument> + </configuration> + </plugin> + </plugins> + </build> + +</project> \ No newline at end of file http://git-wip-us.apache.org/repos/asf/karaf-boot/blob/1d2b7741/karaf-boot-starters/karaf-boot-starter-cdi/src/main/java/org/apache/karaf/boot/cdi/impl/CdiProcessor.java ---------------------------------------------------------------------- diff --git a/karaf-boot-starters/karaf-boot-starter-cdi/src/main/java/org/apache/karaf/boot/cdi/impl/CdiProcessor.java b/karaf-boot-starters/karaf-boot-starter-cdi/src/main/java/org/apache/karaf/boot/cdi/impl/CdiProcessor.java new file mode 100644 index 0000000..44cc571 --- /dev/null +++ b/karaf-boot-starters/karaf-boot-starter-cdi/src/main/java/org/apache/karaf/boot/cdi/impl/CdiProcessor.java @@ -0,0 +1,82 @@ +package org.apache.karaf.boot.cdi.impl; + +import javax.annotation.processing.AbstractProcessor; +import javax.annotation.processing.RoundEnvironment; +import javax.lang.model.element.TypeElement; +import javax.tools.Diagnostic.Kind; +import javax.tools.FileObject; +import javax.tools.StandardLocation; +import java.io.ByteArrayOutputStream; +import java.io.CharArrayWriter; +import java.io.IOException; +import java.io.InputStream; +import java.io.PrintWriter; +import java.io.Reader; +import java.io.Writer; +import java.util.HashSet; +import java.util.Set; + +import org.ops4j.pax.cdi.api.OsgiServiceProvider; + +public class CdiProcessor extends AbstractProcessor { + + boolean hasRun; + + public CdiProcessor() { + } + + @Override + public Set<String> getSupportedAnnotationTypes() { + Set<String> set = new HashSet<String>(); + set.add(OsgiServiceProvider.class.getName()); + return set; + } + + @Override + public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { + if (!hasRun) { + hasRun = true; + // Make sure we have a META-INF/beans.xml file present + try (PrintWriter w = appendResource("META-INF/beans.xml")) { + processingEnv.getMessager().printMessage(Kind.NOTE, "Generated META-INF/beans.xml"); + } catch (Exception e) { + processingEnv.getMessager().printMessage(Kind.ERROR, "Error: " + e.getMessage()); + } + // Add the CDI requirement + try (PrintWriter w = appendResource("META-INF/org.apache.karaf.boot.bnd")) { + w.println("Require-Capability: osgi.extender; filter:=\"(osgi.extender=pax.cdi)\""); + } catch (Exception e) { + processingEnv.getMessager().printMessage(Kind.ERROR, "Error: " + e.getMessage()); + } + } + return true; + } + + private PrintWriter appendResource(String resource) throws IOException { + try { + FileObject o = processingEnv.getFiler().createResource(StandardLocation.CLASS_OUTPUT, "", resource); + return new PrintWriter(o.openWriter()); + } catch (Exception e) { + try { + FileObject o = processingEnv.getFiler().getResource(StandardLocation.CLASS_OUTPUT, "", resource); + CharArrayWriter baos = new CharArrayWriter(); + try (Reader r = o.openReader(true)) { + char[] buf = new char[4096]; + int l; + while ((l = r.read(buf)) > 0) { + baos.write(buf, 0, l); + } + } + o.delete(); + o = processingEnv.getFiler().createResource(StandardLocation.CLASS_OUTPUT, "", resource); + Writer w = o.openWriter(); + w.write(baos.toCharArray()); + return new PrintWriter(w); + } catch (Exception e2) { + e2.addSuppressed(e); + e2.printStackTrace(); + throw e2; + } + } + } +} http://git-wip-us.apache.org/repos/asf/karaf-boot/blob/1d2b7741/karaf-boot-starters/karaf-boot-starter-cdi/src/main/resources/META-INF/services/javax.annotation.processing.Processor ---------------------------------------------------------------------- diff --git a/karaf-boot-starters/karaf-boot-starter-cdi/src/main/resources/META-INF/services/javax.annotation.processing.Processor b/karaf-boot-starters/karaf-boot-starter-cdi/src/main/resources/META-INF/services/javax.annotation.processing.Processor new file mode 100644 index 0000000..a6cd494 --- /dev/null +++ b/karaf-boot-starters/karaf-boot-starter-cdi/src/main/resources/META-INF/services/javax.annotation.processing.Processor @@ -0,0 +1 @@ +org.apache.karaf.boot.cdi.impl.CdiProcessor http://git-wip-us.apache.org/repos/asf/karaf-boot/blob/1d2b7741/karaf-boot-starters/pom.xml ---------------------------------------------------------------------- diff --git a/karaf-boot-starters/pom.xml b/karaf-boot-starters/pom.xml index 8a22ae1..e50f6c2 100644 --- a/karaf-boot-starters/pom.xml +++ b/karaf-boot-starters/pom.xml @@ -37,6 +37,7 @@ <module>karaf-boot-starter-shell</module> <module>karaf-boot-starter-web</module> <module>karaf-boot-starter-jpa</module> + <module>karaf-boot-starter-cdi</module> </modules> </project> \ No newline at end of file http://git-wip-us.apache.org/repos/asf/karaf-boot/blob/1d2b7741/pom.xml ---------------------------------------------------------------------- diff --git a/pom.xml b/pom.xml index 5e1e5c8..ca1f26e 100644 --- a/pom.xml +++ b/pom.xml @@ -32,6 +32,7 @@ <properties> <karaf.version>4.0.2</karaf.version> <osgi.version>6.0.0</osgi.version> + <pax.cdi.version>1.0.0.RC1</pax.cdi.version> </properties> <modules>
