Author: dan.j.allen Date: 2009-12-23 16:12:45 -0500 (Wed, 23 Dec 2009) New Revision: 11877 Added: modules/envconfig/ modules/envconfig/branches/ modules/envconfig/tags/ modules/envconfig/trunk/ modules/envconfig/trunk/pom.xml modules/envconfig/trunk/readme.txt modules/envconfig/trunk/src/ modules/envconfig/trunk/src/main/ modules/envconfig/trunk/src/main/java/ modules/envconfig/trunk/src/main/java/org/ modules/envconfig/trunk/src/main/java/org/jboss/ modules/envconfig/trunk/src/main/java/org/jboss/seam/ modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/ modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/Bind.java modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/EnvironmentBinding.java modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/extension/ modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/extension/EnvironmentBindingExtension.java modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/extension/JndiBinder.java modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/extension/Placeholder.java modules/envconfig/trunk/src/main/resources/ modules/envconfig/trunk/src/main/resources/META-INF/ modules/envconfig/trunk/src/main/resources/META-INF/beans.xml modules/envconfig/trunk/src/main/resources/META-INF/services/ modules/envconfig/trunk/src/main/resources/META-INF/services/javax.enterprise.inject.spi.Extension Log: add new module: envconfig module driver: Matt Corey Property changes on: modules/envconfig/trunk ___________________________________________________________________ Name: svn:ignore + target .project .classpath .settings Added: modules/envconfig/trunk/pom.xml =================================================================== --- modules/envconfig/trunk/pom.xml (rev 0) +++ modules/envconfig/trunk/pom.xml 2009-12-23 21:12:45 UTC (rev 11877) @@ -0,0 +1,96 @@ +<?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/maven-v4_0_0.xsd"> + <modelVersion>4.0.0</modelVersion> + + <parent> + <groupId>org.jboss.seam</groupId> + <artifactId>seam-parent</artifactId> + <version>3.0.0-SNAPSHOT</version> + </parent> + + <groupId>org.jboss.seam</groupId> + <artifactId>seam-envconfig</artifactId> + <version>3.0.0-SNAPSHOT</version> + <packaging>ejb</packaging> + + <name>Seam Environment Configuration</name> + <description>A set of CDI extensions that deal with configuration of the Java EE environment (e.g., binding to JNDI)</description> + <inceptionYear>2009</inceptionYear> + + <developers> + <developer> + <name>Matt Corey</name> + <url>http://smokeandice.blogspot.com</url> + <timezone>GMT-05:00</timezone> + <roles> + <role>Module driver</role> + </roles> + </developer> + <developer> + <id>dan.j.allen</id> + <name>Dan Allen</name> + <email&gt;dan.j.allen(a)gmail.com&lt;/email&gt; + <url>http://in.relation.to/Bloggers/Dan</url> + <organization>JBoss, by Red Hat</organization> + <timezone>GMT-05:00</timezone> + <roles> + <role>Developer</role> + </roles> + </developer> + </developers> + + <properties> + <seam.version>3.0.0-SNAPSHOT</seam.version> + </properties> + + <!-- Snapshots repo to get parent --> + <repositories> + <repository> + <id>oss.sonatype.org/jboss-snapshots</id> + <name>JBoss (Nexus) Snapshots Repository</name> + <url>http://oss.sonatype.org/content/repositories/jboss-snapshots</u... + <releases> + <enabled>false</enabled> + </releases> + <snapshots> + <enabled>true</enabled> + <updatePolicy>never</updatePolicy> + </snapshots> + </repository> + </repositories> + + <dependencies> + <dependency> + <groupId>javax.enterprise</groupId> + <artifactId>cdi-api</artifactId> + <scope>provided</scope> + </dependency> + <dependency> + <groupId>org.jboss.ejb3</groupId> + <artifactId>jboss-ejb3-api</artifactId> + <scope>provided</scope> + <version>3.1.0</version> + </dependency> + </dependencies> + + <build> + <plugins> + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-ejb-plugin</artifactId> + <configuration> + <ejbVersion>3.0</ejbVersion> + </configuration> + </plugin> + </plugins> + </build> + + <scm> + <connection>scm:svn:http://anonsvn.jboss.org/repos/seam/modules/envconf... + <developerConnection>scm:svn:https://svn.jboss.org/repos/seam/modules/e... + <url>http://fisheye.jboss.org/browse/Seam/modules/envconfig/trunk</u... + </scm> + +</project> Added: modules/envconfig/trunk/readme.txt =================================================================== --- modules/envconfig/trunk/readme.txt (rev 0) +++ modules/envconfig/trunk/readme.txt 2009-12-23 21:12:45 UTC (rev 11877) @@ -0,0 +1,21 @@ +Seam Environment Configuration +============================== + +Example: + +The following bean will cause the string "Hello World!" to +be bound to the JNDI name java:global/msg when the archive +that contains this bean is deployed. + +import org.jboss.seam.envconfig.Bind; +import org.jboss.seam.envconfig.EnvironmentBinding; + +public @EnvironmentBinding class EnvironmentVars +{ + @Bind(jndiAddress="msg") private final String msg = "Hello World!"; +} + +You can then inject the value into a managed bean as follows: + +@Resource(lookup = "java:global/msg") String msg; + Added: modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/Bind.java =================================================================== --- modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/Bind.java (rev 0) +++ modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/Bind.java 2009-12-23 21:12:45 UTC (rev 11877) @@ -0,0 +1,33 @@ +/* + * Seam 3 Modules - http://seamframework.org + * CDI portable extensions for Java EE and non-Java EE technologies + * + * JBoss, by Red Hat + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + */ +package org.jboss.seam.envconfig; + +import java.lang.annotation.ElementType; +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.lang.annotation.Target; + +/** + * @author Matt Corey + */ +@Target( { ElementType.METHOD, ElementType.FIELD }) +(a)Retention(RetentionPolicy.RUNTIME) +public @interface Bind +{ + String jndiAddress(); + boolean overwrite() default true; +} Added: modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/EnvironmentBinding.java =================================================================== --- modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/EnvironmentBinding.java (rev 0) +++ modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/EnvironmentBinding.java 2009-12-23 21:12:45 UTC (rev 11877) @@ -0,0 +1,36 @@ +/* + * Seam 3 Modules - http://seamframework.org + * CDI portable extensions for Java EE and non-Java EE technologies + * + * JBoss, by Red Hat + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + */ +package org.jboss.seam.envconfig; + +import java.lang.annotation.ElementType; +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.lang.annotation.Target; + +import javax.enterprise.context.ApplicationScoped; +import javax.enterprise.inject.Stereotype; + +/** + * @author Matt Corey + */ +@Stereotype +@ApplicationScoped +(a)Target(ElementType.TYPE) +(a)Retention(RetentionPolicy.RUNTIME) +public @interface EnvironmentBinding +{ +} Added: modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/extension/EnvironmentBindingExtension.java =================================================================== --- modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/extension/EnvironmentBindingExtension.java (rev 0) +++ modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/extension/EnvironmentBindingExtension.java 2009-12-23 21:12:45 UTC (rev 11877) @@ -0,0 +1,70 @@ +/* + * Seam 3 Modules - http://seamframework.org + * CDI portable extensions for Java EE and non-Java EE technologies + * + * JBoss, by Red Hat + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + */ +package org.jboss.seam.envconfig.extension; + +import java.util.Collections; +import java.util.HashSet; +import java.util.Set; +import java.util.logging.Logger; + +import javax.enterprise.event.Observes; +import javax.enterprise.inject.spi.Bean; +import javax.enterprise.inject.spi.BeanManager; +import javax.enterprise.inject.spi.Extension; +import javax.enterprise.inject.spi.ProcessBean; +import org.jboss.seam.envconfig.EnvironmentBinding; + +/** + * @author Matt Corey + */ +public class EnvironmentBindingExtension implements Extension +{ + private Logger log = Logger.getLogger(getClass().getName()); + + private Set<Bean> envBeans = new HashSet<Bean>(); + private BeanManager beanManager; + + public void discoverEnvironmentBindingClasses(@Observes ProcessBean pb, BeanManager bm) throws Exception + { + this.beanManager = bm; + + Bean bean = pb.getBean(); + Class beanClass = bean.getBeanClass(); + + Set<Class> sts = bean.getStereotypes(); + + for (Class st : sts) + { + if (st.equals(EnvironmentBinding.class)) + { + log.info("Found class annotated with EnvironmentBinding: " + beanClass.getName()); + envBeans.add(bean); + break; + } + } + } + + public Set<Bean> getEnvBeans() + { + return Collections.unmodifiableSet(envBeans); + } + + public BeanManager getBeanManager() + { + return beanManager; + } +} Added: modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/extension/JndiBinder.java =================================================================== --- modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/extension/JndiBinder.java (rev 0) +++ modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/extension/JndiBinder.java 2009-12-23 21:12:45 UTC (rev 11877) @@ -0,0 +1,93 @@ +/* + * Seam 3 Modules - http://seamframework.org + * CDI portable extensions for Java EE and non-Java EE technologies + * + * JBoss, by Red Hat + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + */ +package org.jboss.seam.envconfig.extension; + +import java.lang.reflect.Field; +import java.util.Set; +import java.util.logging.Logger; + +import javax.annotation.PostConstruct; +import javax.ejb.Startup; +import javax.enterprise.context.ApplicationScoped; +import javax.enterprise.context.spi.Context; +import javax.enterprise.inject.spi.Bean; +import javax.inject.Inject; +import javax.inject.Singleton; +import javax.naming.InitialContext; +import javax.naming.NamingException; +import org.jboss.seam.envconfig.Bind; + +/** + * @author Matt Corey + */ +public @Singleton @Startup class JndiBinder +{ + private Logger log = Logger.getLogger(getClass().getName()); + + @Inject + private EnvironmentBindingExtension bindingExtension; + + @PostConstruct + public void processBindings() throws Exception + { + Set<Bean> envBeans = bindingExtension.getEnvBeans(); + + log.info("Processing EnvironmentBinding Classes: " + envBeans); + + Context appContext = bindingExtension.getBeanManager().getContext(ApplicationScoped.class); + for (Bean bean : envBeans) + { + Class beanClass = bean.getBeanClass(); + + Object beanInstance = appContext.get(bean, bindingExtension.getBeanManager().createCreationalContext(bean)); + + Field[] fields = beanClass.getDeclaredFields(); + for (Field field : fields) + { + if (field.isAnnotationPresent(Bind.class)) + { + log.info("Processing Binding field " + beanClass.getName() + "." + field.getName()); + + field.setAccessible(true); + + String jndi = field.getAnnotation(Bind.class).jndiAddress(); + Object val = field.get(beanInstance); + + bindValue(jndi, val); + } + } + } + } + + private void bindValue(String nameSuffix, Object value) throws NamingException + { + InitialContext ic = new InitialContext(); + + StringBuilder nameToBind = new StringBuilder(); + if (!nameSuffix.matches("java:/?global")) + { + nameToBind.append("java:global"); + if (!nameSuffix.endsWith("/")) + { + nameToBind.append('/'); + } + } + nameToBind.append(nameSuffix); + log.info("Bound " + nameToBind + " to " + value); + ic.rebind(nameToBind.toString(), value); + } +} Added: modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/extension/Placeholder.java =================================================================== --- modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/extension/Placeholder.java (rev 0) +++ modules/envconfig/trunk/src/main/java/org/jboss/seam/envconfig/extension/Placeholder.java 2009-12-23 21:12:45 UTC (rev 11877) @@ -0,0 +1,28 @@ +/* + * Seam 3 Modules - http://seamframework.org + * CDI portable extensions for Java EE and non-Java EE technologies + * + * JBoss, by Red Hat + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + */ +package org.jboss.seam.envconfig.extension; + +import javax.ejb.Stateless; + +/** + * This is a temporary class that is present because GlassFish V3 doesn't seem + * to recognize an EJB-JAR archive as valid if it only has a @Singleton bean. + * + * @author Dan Alen + */ +public @Stateless class Placeholder { +} Added: modules/envconfig/trunk/src/main/resources/META-INF/beans.xml =================================================================== Added: modules/envconfig/trunk/src/main/resources/META-INF/services/javax.enterprise.inject.spi.Extension =================================================================== --- modules/envconfig/trunk/src/main/resources/META-INF/services/javax.enterprise.inject.spi.Extension (rev 0) +++ modules/envconfig/trunk/src/main/resources/META-INF/services/javax.enterprise.inject.spi.Extension 2009-12-23 21:12:45 UTC (rev 11877) @@ -0,0 +1 @@ +org.jboss.seam.envconfig.extension.EnvironmentBindingExtension \ No newline at end of file