Author: dan.j.allen Date: 2009-04-11 02:33:19 -0400 (Sat, 11 Apr 2009) New Revision: 10386 Added: trunk/doc/Seam_Reference_Guide/en-US/Guice.xml trunk/examples/guice/ trunk/examples/guice/build.xml trunk/examples/guice/readme.txt trunk/examples/guice/resources/ trunk/examples/guice/resources/META-INF/ trunk/examples/guice/resources/META-INF/application.xml trunk/examples/guice/resources/META-INF/jboss-app.xml trunk/examples/guice/resources/WEB-INF/ trunk/examples/guice/resources/WEB-INF/components.xml trunk/examples/guice/resources/WEB-INF/faces-config.xml trunk/examples/guice/resources/WEB-INF/web.xml trunk/examples/guice/resources/seam.properties trunk/examples/guice/src/ trunk/examples/guice/src/org/ trunk/examples/guice/src/org/jboss/ trunk/examples/guice/src/org/jboss/seam/ trunk/examples/guice/src/org/jboss/seam/example/ trunk/examples/guice/src/org/jboss/seam/example/guice/ trunk/examples/guice/src/org/jboss/seam/example/guice/Juice.java trunk/examples/guice/src/org/jboss/seam/example/guice/JuiceBar.java trunk/examples/guice/src/org/jboss/seam/example/guice/JuiceBarModule.java trunk/examples/guice/src/org/jboss/seam/example/guice/JuiceImpl.java trunk/examples/guice/src/org/jboss/seam/example/guice/Orange.java trunk/examples/guice/src/org/jboss/seam/example/guice/test/ trunk/examples/guice/src/org/jboss/seam/example/guice/test/GuiceTest.java trunk/examples/guice/src/org/jboss/seam/example/guice/test/testng.xml trunk/examples/guice/view/ trunk/examples/guice/view/bar.xhtml trunk/examples/guice/view/index.html trunk/src/ioc/org/jboss/seam/ioc/guice/ trunk/src/ioc/org/jboss/seam/ioc/guice/Guice.java trunk/src/ioc/org/jboss/seam/ioc/guice/GuiceInit.java trunk/src/ioc/org/jboss/seam/ioc/guice/GuiceInterceptor.java trunk/src/ioc/org/jboss/seam/ioc/guice/Injector.java trunk/src/ioc/org/jboss/seam/ioc/guice/guice-2.1.xsd trunk/src/ioc/org/jboss/seam/ioc/guice/package-info.java Modified: trunk/build.xml trunk/build/ioc.pom.xml trunk/build/root.pom.xml trunk/doc/Seam_Reference_Guide/en-US/master.xml trunk/examples/build.xml Log: JBSEAM-3044 Modified: trunk/build/ioc.pom.xml =================================================================== --- trunk/build/ioc.pom.xml 2009-04-11 06:32:03 UTC (rev 10385) +++ trunk/build/ioc.pom.xml 2009-04-11 06:33:19 UTC (rev 10386) @@ -53,6 +53,12 @@ <scope>provided</scope> </dependency> + <dependency> + <groupId>com.google.code.guice</groupId> + <artifactId>guice</artifactId> + <optional>true</optional> + </dependency> + <!-- Microcontainer stuff isn't done --> <!-- <dependency> @@ -102,4 +108,4 @@ </dependencies> -</project> \ No newline at end of file +</project> Modified: trunk/build/root.pom.xml =================================================================== --- trunk/build/root.pom.xml 2009-04-11 06:32:03 UTC (rev 10385) +++ trunk/build/root.pom.xml 2009-04-11 06:33:19 UTC (rev 10386) @@ -850,6 +850,12 @@ </exclusion> </exclusions> </dependency> + + <dependency> + <groupId>com.google.code.guice</groupId> + <artifactId>guice</artifactId> + <version>1.0</version> + </dependency> <dependency> <groupId>cglib</groupId> Modified: trunk/build.xml =================================================================== --- trunk/build.xml 2009-04-11 06:32:03 UTC (rev 10385) +++ trunk/build.xml 2009-04-11 06:33:19 UTC (rev 10386) @@ -461,6 +461,7 @@ <cleanexample name="restbay" /> <cleanexample name="nestedbooking" /> <cleanexample name="wicket" /> + <cleanexample name="guice" /> </target> <target name="undeployexamples" description="Undeploy all examples"> @@ -496,6 +497,7 @@ <undeployexample name="restbay" /> <undeployexample name="nestedbooking" /> <undeployexample name="wicket" /> + <undeployexample name="guice" /> </target> <target name="testexamples" description="Run the example tests"> @@ -522,6 +524,7 @@ <testexample name="hibernate" /> <testexample name="jpa" /> <testexample name="quartz" /> + <testexample name="guice" /> <ant dir="examples/wiki" target="test" inheritall="false"> <property name="test.output.dir" value="${test.dir}/wiki" /> </ant> @@ -567,6 +570,7 @@ <ant dir="examples/todo" target="validateConfiguration" inheritall="false" /> <ant dir="examples/ui" target="validateConfiguration" inheritall="false" /> <ant dir="examples/wicket" target="validateConfiguration" inheritall="false" /> + <ant dir="examples/guice" target="validateConfiguration" inheritall="false" /> </target> Added: trunk/doc/Seam_Reference_Guide/en-US/Guice.xml =================================================================== --- trunk/doc/Seam_Reference_Guide/en-US/Guice.xml (rev 0) +++ trunk/doc/Seam_Reference_Guide/en-US/Guice.xml 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,152 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd"> + +<chapter id="guice"> + + <title>Guice integration</title> + + <para> + Google Guice is a library that provides lightweight dependency injection through type-safe + resolution. The Guice integration (part of the Seam IoC module) allows use of Guice injection + for all Seam components annotated with the <literal>@Guice</literal> annotation. In addition + to the regular bijection that Seam performs (which becomes optional), Seam also delegates + to known Guice injectors to satisify the dependencies of the component. Guice may be useful to + tie non-Seam parts of large or legacy applications together with Seam. + </para> + + <note> + The Guice integration is bundled in the jboss-seam-ioc library. This dependency is required + for all integration techniques covered in this chapter. You will also need the Guice JAR file + on the classpath. + </note> + + <section> + <title>Creating a hybrid Seam-Guice component</title> + + <para> + The goal is to create a hybrid Seam-Guice component. The rule for how to do this is very + simple. If you want to use Guice injection in your Seam component, annotate it with the + <literal>@Guice</literal> annotation (after importing the type + <literal>org.jboss.seam.ioc.guice.Guice</literal>). + </para> + + <programlisting role="JAVA">@Name("myGuicyComponent") +@Guice public class MyGuicyComponent +{ + @Inject MyObject myObject; + @Inject @Special MyObject mySpecialObject; + ... +}</programlisting> + + <para> + This Guice injection will happen on every method call, just like with bijection. Guice + injects based on type and binding. To satisify the dependencies in the previous example, + you might have bound the following implementations in a Guice module, where + <literal>@Special</literal> is an annotation you define in your application. + </para> + + <programlisting role="JAVA">public class MyGuicyModule implements Module +{ + public void configure(Binder binder) + { + binder.bind(MyObject.class) + .toInstance(new MyObject("regular")); + + binder.bind(MyObject.class).annotatedWith(Special.class) + .toInstance(new MyObject("special")); + } +}</programlisting> + + <para> + Great, but which Guice injector will be used to inject the dependencies? Well, you need + to perform some setup first. + </para> + + </section> + + <section> + + <title>Configuring an injector</title> + + <para> + You tell Seam which Guice injector to use by hooking it into the injection property + of the Guice initization component in the Seam component descriptor (components.xml): + </para> + + <programlisting role="XML"><![CDATA[<components xmlns="http://jboss.com/products/seam/components" + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" + xmlns:guice="http://jboss.org/products/seam/guice" + xsi:schemaLocation=" + http://jboss.com/products/seam/guice + http://jboss.com/products/seam/guice-2.1.xsd + http://jboss.com/products/seam/components + http://jboss.com/products/seam/components-2.1.xsd"> + + <guice:init injector="#{myGuiceInjector}"/> + +</components>]]></programlisting> + + <para> + <literal>myGuiceInjector</literal> must resolve to a Seam component that implements the + Guice <literal>Injector</literal> interface. + </para> + + <para> + Having to create an injector is boiler-plate code, though. What you really want to be able + to do is simply hook up Seam to your Guice modules. Fortunately, there is a built-in Seam + component that implements the <literal>Injector</literal> interface to do exactly that. You + can configure it in the Seam component descriptor with this additional stanza. + </para> + + <programlisting role="XML"><![CDATA[<guice:injector name="myGuiceInjector"> + <guice:modules> + <value>com.example.guice.GuiceModule1</value> + <value>com.example.guice.GuiceModule2</value> + </guice:modules> +</guice:injector>]]></programlisting> + + <para> + Of course you can also use an injector that is already used in other, possibly non-Seam + part of you application. That's one of the main motivations for creating this integration. + Since the injector is defined with EL expression, you can obtain it in whatever way you + like. For instance, you may use the Seam factory component pattern to provide injector. + </para> + + <programlisting role="JAVA">@Name("myGuiceInjectorFactory") +public InjectorFactory +{ + @Factory(name = "myGuiceInjector", scope = APPLICATION, create = true) + public Injector getInjector() + { + // Your code that returns injector + } +}</programlisting> + + </section> + + <section> + <title>Using multiple injectors</title> + + <para> + By default, an injector configured in the Seam component descriptor is used. If you really + need to use multiple injectors (AFAIK, you should use multiple modules instead), you can + specify different injector for every Seam component in the <literal>@Guice</literal> + annotation. + </para> + + <programlisting role="JAVA">@Name("myGuicyComponent") +@Guice("myGuiceInjector") +public class MyGuicyComponent +{ + @Inject MyObject myObject; + ... +}</programlisting> + + </section> + + <para> + That's all there is to it! Check out the guice example in the Seam distribution to see the + Seam Guice integration in action! + </para> + +</chapter> Modified: trunk/doc/Seam_Reference_Guide/en-US/master.xml =================================================================== --- trunk/doc/Seam_Reference_Guide/en-US/master.xml 2009-04-11 06:32:03 UTC (rev 10385) +++ trunk/doc/Seam_Reference_Guide/en-US/master.xml 2009-04-11 06:33:19 UTC (rev 10386) @@ -31,6 +31,7 @@ <xi:include href="Remoting.xml" xmlns:xi="http://www.w3.org/2001/XInclude" /> <xi:include href="Gwt.xml" xmlns:xi="http://www.w3.org/2001/XInclude" /> <xi:include href="Spring.xml" xmlns:xi="http://www.w3.org/2001/XInclude" /> + <xi:include href="Guice.xml" xmlns:xi="http://www.w3.org/2001/XInclude" /> <xi:include href="Hsearch.xml" xmlns:xi="http://www.w3.org/2001/XInclude" /> <xi:include href="Configuration.xml" xmlns:xi="http://www.w3.org/2001/XInclude" /> <xi:include href="Annotations.xml" xmlns:xi="http://www.w3.org/2001/XInclude" /> Modified: trunk/examples/build.xml =================================================================== --- trunk/examples/build.xml 2009-04-11 06:32:03 UTC (rev 10385) +++ trunk/examples/build.xml 2009-04-11 06:33:19 UTC (rev 10386) @@ -232,6 +232,12 @@ <include name="slf4j-log4j12.jar" if="seam.resteasy.lib" /> </fileset> + <!-- Seam IoC Guice, with required dependencies --> + <fileset id="seam.ioc-guice.jar" dir="${lib.dir}"> + <include name="jboss-seam-ioc.jar" if="seam.ioc-guice.lib" /> + <include name="guice.jar" if="seam.ioc-guice.lib" /> + </fileset> + <!-- jboss-el --> <fileset id="jboss-el.jar" dir="${lib.dir}"> <include name="jboss-el.jar" /> @@ -749,6 +755,7 @@ <fileset refid="seam.wicket.jar" /> <fileset refid="seam.resteasy.jar" /> <fileset refid="seam.remoting.jar" /> + <fileset refid="seam.ioc-guice.jar" /> <fileset refid="el-ri.jar" /> <fileset refid="trinidad-api.jar" /> <fileset refid="metawidget-backend.jar" /> Property changes on: trunk/examples/guice ___________________________________________________________________ Name: svn:ignore + dist exploded-archives Added: trunk/examples/guice/build.xml =================================================================== --- trunk/examples/guice/build.xml (rev 0) +++ trunk/examples/guice/build.xml 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,15 @@ +<?xml version="1.0"?> +<project name="Seam Guice" default="deploy" basedir="."> + + <!-- Example name --> + <property name="Name" value="Seam Guice Example"/> + <property name="example.name" value="jboss-seam-guice"/> + + <!-- Libraries --> + <property name="seam.ioc-guice.lib" value="yes"/> + <property name="seam.debug.lib" value="yes"/> + <property name="facelets.lib" value="yes"/> + + <import file="../build.xml"/> + +</project> Added: trunk/examples/guice/readme.txt =================================================================== --- trunk/examples/guice/readme.txt (rev 0) +++ trunk/examples/guice/readme.txt 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,5 @@ +Seam Guice Example +====================== +This is a simple example demonstrating the use of Google Guice with Seam. + +example.name=guice Added: trunk/examples/guice/resources/META-INF/application.xml =================================================================== --- trunk/examples/guice/resources/META-INF/application.xml (rev 0) +++ trunk/examples/guice/resources/META-INF/application.xml 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,22 @@ +<?xml version="1.0" encoding="UTF-8"?> +<application xmlns="http://java.sun.com/xml/ns/javaee" + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" + xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/application_5.xsd" + version="5"> + + <display-name>Seam Guice Example</display-name> + + <module> + <web> + <web-uri>jboss-seam-guice.war</web-uri> + <context-root>/seam-guice</context-root> + </web> + </module> + <module> + <ejb>jboss-seam-guice.jar</ejb> + </module> + <module> + <ejb>jboss-seam.jar</ejb> + </module> + +</application> Added: trunk/examples/guice/resources/META-INF/jboss-app.xml =================================================================== --- trunk/examples/guice/resources/META-INF/jboss-app.xml (rev 0) +++ trunk/examples/guice/resources/META-INF/jboss-app.xml 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,10 @@ +<?xml version="1.0" encoding="UTF-8"?> + <!DOCTYPE jboss-app + PUBLIC "-//JBoss//DTD J2EE Application 4.2//EN" + "http://www.jboss.org/j2ee/dtd/jboss-app_4_2.dtd"> + +<jboss-app> + <loader-repository> + seam.jboss.org:loader=seam-guice + </loader-repository> +</jboss-app> \ No newline at end of file Added: trunk/examples/guice/resources/WEB-INF/components.xml =================================================================== --- trunk/examples/guice/resources/WEB-INF/components.xml (rev 0) +++ trunk/examples/guice/resources/WEB-INF/components.xml 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,21 @@ +<?xml version="1.0" encoding="UTF-8"?> +<components xmlns="http://jboss.com/products/seam/components" + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" + xmlns:core="http://jboss.com/products/seam/core" + xmlns:guice="http://jboss.com/products/seam/guice" + xsi:schemaLocation=" + http://jboss.com/products/seam/core http://jboss.com/products/seam/core-2.1.xsd + http://jboss.com/products/seam/guice http://jboss.com/products/seam/guice-2.1.xsd + http://jboss.com/products/seam/components http://jboss.com/products/seam/components-2.1.xsd"> + + <core:init debug="true"/> + + <guice:injector name="guiceExampleInjector"> + <guice:modules> + <value>org.jboss.seam.example.guice.JuiceBarModule</value> + </guice:modules> + </guice:injector> + + <guice:init injector="#{guiceExampleInjector}"/> + +</components> Added: trunk/examples/guice/resources/WEB-INF/faces-config.xml =================================================================== --- trunk/examples/guice/resources/WEB-INF/faces-config.xml (rev 0) +++ trunk/examples/guice/resources/WEB-INF/faces-config.xml 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,11 @@ +<?xml version='1.0' encoding='UTF-8'?> +<faces-config version="1.2" + xmlns="http://java.sun.com/xml/ns/javaee" + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" + xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_1_2.xsd"> + + <application> + <view-handler>com.sun.facelets.FaceletViewHandler</view-handler> + </application> + +</faces-config> Added: trunk/examples/guice/resources/WEB-INF/web.xml =================================================================== --- trunk/examples/guice/resources/WEB-INF/web.xml (rev 0) +++ trunk/examples/guice/resources/WEB-INF/web.xml 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,48 @@ +<?xml version="1.0" encoding="UTF-8"?> +<web-app version="2.5" + xmlns="http://java.sun.com/xml/ns/javaee" + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" + xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> + + <display-name>Seam Guice Example</display-name> + + <listener> + <listener-class>org.jboss.seam.servlet.SeamListener</listener-class> + </listener> + + <filter> + <filter-name>Seam Filter</filter-name> + <filter-class>org.jboss.seam.servlet.SeamFilter</filter-class> + </filter> + + <filter-mapping> + <filter-name>Seam Filter</filter-name> + <url-pattern>/*</url-pattern> + </filter-mapping> + + <context-param> + <param-name>javax.faces.DEFAULT_SUFFIX</param-name> + <param-value>.xhtml</param-value> + </context-param> + + <context-param> + <param-name>facelets.DEVELOPMENT</param-name> + <param-value>true</param-value> + </context-param> + + <servlet> + <servlet-name>Faces Servlet</servlet-name> + <servlet-class>javax.faces.webapp.FacesServlet</servlet-class> + <load-on-startup>1</load-on-startup> + </servlet> + + <servlet-mapping> + <servlet-name>Faces Servlet</servlet-name> + <url-pattern>*.seam</url-pattern> + </servlet-mapping> + + <session-config> + <session-timeout>10</session-timeout> + </session-config> + +</web-app> Added: trunk/examples/guice/resources/seam.properties =================================================================== Added: trunk/examples/guice/src/org/jboss/seam/example/guice/Juice.java =================================================================== --- trunk/examples/guice/src/org/jboss/seam/example/guice/Juice.java (rev 0) +++ trunk/examples/guice/src/org/jboss/seam/example/guice/Juice.java 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,11 @@ +package org.jboss.seam.example.guice; + +/** + * @author Pawel Wrzeszcz (pwrzeszcz [at] jboss . org) + */ +public interface Juice +{ + public String getName(); + + public int getPrice(); +} Added: trunk/examples/guice/src/org/jboss/seam/example/guice/JuiceBar.java =================================================================== --- trunk/examples/guice/src/org/jboss/seam/example/guice/JuiceBar.java (rev 0) +++ trunk/examples/guice/src/org/jboss/seam/example/guice/JuiceBar.java 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,26 @@ +package org.jboss.seam.example.guice; + +import org.jboss.seam.annotations.Name; +import org.jboss.seam.ioc.guice.Guice; +import com.google.inject.Inject; + +/** + * @author Pawel Wrzeszcz (pwrzeszcz [at] jboss . org) + */ +@Name("juiceBar") +@Guice // Activates @Inject on a Seam component +public class JuiceBar +{ + @Inject private Juice juiceOfTheDay; // Guice looks at the variable type, not name + @Inject @Orange private Juice anotherJuice; + + public Juice getJuiceOfTheDay() + { + return juiceOfTheDay; + } + + public Juice getAnotherJuice() + { + return anotherJuice; + } +} Added: trunk/examples/guice/src/org/jboss/seam/example/guice/JuiceBarModule.java =================================================================== --- trunk/examples/guice/src/org/jboss/seam/example/guice/JuiceBarModule.java (rev 0) +++ trunk/examples/guice/src/org/jboss/seam/example/guice/JuiceBarModule.java 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,16 @@ +package org.jboss.seam.example.guice; + +import com.google.inject.Module; +import com.google.inject.Binder; + +/** + * @author Pawel Wrzeszcz (pwrzeszcz [at] jboss . org) + */ +public class JuiceBarModule implements Module +{ + public void configure(Binder binder) + { + binder.bind(Juice.class).toInstance(new JuiceImpl("Apple Juice", 10)); + binder.bind(Juice.class).annotatedWith(Orange.class).toInstance(new JuiceImpl("Orange Juice", 12)); + } +} Added: trunk/examples/guice/src/org/jboss/seam/example/guice/JuiceImpl.java =================================================================== --- trunk/examples/guice/src/org/jboss/seam/example/guice/JuiceImpl.java (rev 0) +++ trunk/examples/guice/src/org/jboss/seam/example/guice/JuiceImpl.java 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,32 @@ +package org.jboss.seam.example.guice; + +/** + * @author Pawel Wrzeszcz (pwrzeszcz [at] jboss . org) + */ +public class JuiceImpl implements Juice +{ + private String name; + private int price; + + public JuiceImpl(String name, int price) + { + this.name = name; + this.price = price; + } + + public String getName() + { + return name; + } + + public int getPrice() + { + return price; + } + + @Override + public String toString() + { + return name + " (" + price + " cents)"; + } +} Added: trunk/examples/guice/src/org/jboss/seam/example/guice/Orange.java =================================================================== --- trunk/examples/guice/src/org/jboss/seam/example/guice/Orange.java (rev 0) +++ trunk/examples/guice/src/org/jboss/seam/example/guice/Orange.java 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,20 @@ +package org.jboss.seam.example.guice; + +import com.google.inject.BindingAnnotation; + +import java.lang.annotation.Retention; +import java.lang.annotation.Target; +import java.lang.annotation.RetentionPolicy; +import java.lang.annotation.ElementType; + +/** + * Indicates we want the orange version of a binding. + * + * @author Pawel Wrzeszcz (pwrzeszcz [at] jboss . org) + */ +(a)Retention(RetentionPolicy.RUNTIME) +(a)Target({ElementType.FIELD, ElementType.PARAMETER}) +@BindingAnnotation +public @interface Orange +{ +} Added: trunk/examples/guice/src/org/jboss/seam/example/guice/test/GuiceTest.java =================================================================== --- trunk/examples/guice/src/org/jboss/seam/example/guice/test/GuiceTest.java (rev 0) +++ trunk/examples/guice/src/org/jboss/seam/example/guice/test/GuiceTest.java 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,33 @@ +package org.jboss.seam.example.guice.test; + +import org.jboss.seam.example.guice.JuiceBar; +import org.jboss.seam.mock.SeamTest; +import org.jboss.seam.ioc.guice.Injector; +import org.testng.annotations.Test; + +import java.util.Arrays; + +/** + * @author Pawel Wrzeszcz (pwrzeszcz [at] jboss . org) + */ +public class GuiceTest extends SeamTest +{ + private static final String[] expectedModules = { "org.jboss.seam.example.guice.JuiceBarModule" }; + + @Test + public void testGuice() + { + new ComponentTest() + { + protected void testComponents() throws Exception + { + Injector injector = (Injector) getValue("guiceExampleInjector"); + assert Arrays.equals(expectedModules, injector.getModules()); + + JuiceBar juiceBar = (JuiceBar) getValue("juiceBar"); + assert "Apple Juice".equals(juiceBar.getJuiceOfTheDay().getName()); + assert "Orange Juice".equals(juiceBar.getAnotherJuice().getName()); + } + }; + } +} Added: trunk/examples/guice/src/org/jboss/seam/example/guice/test/testng.xml =================================================================== --- trunk/examples/guice/src/org/jboss/seam/example/guice/test/testng.xml (rev 0) +++ trunk/examples/guice/src/org/jboss/seam/example/guice/test/testng.xml 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,11 @@ +<!DOCTYPE suite SYSTEM "http://beust.com/testng/testng-1.0.dtd" > + +<suite name="Guice" verbose="2" parallel="false"> + + <test name="Guice"> + <classes> + <class name="org.jboss.seam.example.guice.test.GuiceTest"/> + </classes> + </test> + +</suite> \ No newline at end of file Added: trunk/examples/guice/view/bar.xhtml =================================================================== --- trunk/examples/guice/view/bar.xhtml (rev 0) +++ trunk/examples/guice/view/bar.xhtml 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,22 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml" + xmlns:h="http://java.sun.com/jsf/html" + xmlns:f="http://java.sun.com/jsf/core"> + <head> + <title>Juice Bar</title> + </head> + <body> + <h1>Juice Bar</h1> + <h:form id="main"> + <div> + Which juice do you prefer? + <ul> + <li>#{juiceBar.juiceOfTheDay.name}* - #{juiceBar.juiceOfTheDay.price} cents</li> + <li>#{juiceBar.anotherJuice.name} - #{juiceBar.anotherJuice.price} cents</li> + </ul> + <p><em>* Juice of the day</em></p> + </div> + </h:form> + </body> +</html> Added: trunk/examples/guice/view/index.html =================================================================== --- trunk/examples/guice/view/index.html (rev 0) +++ trunk/examples/guice/view/index.html 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,5 @@ +<html> +<head> + <meta http-equiv="Refresh" content="0; URL=bar.seam"> +</head> +</html> \ No newline at end of file Added: trunk/src/ioc/org/jboss/seam/ioc/guice/Guice.java =================================================================== --- trunk/src/ioc/org/jboss/seam/ioc/guice/Guice.java (rev 0) +++ trunk/src/ioc/org/jboss/seam/ioc/guice/Guice.java 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,25 @@ +package org.jboss.seam.ioc.guice; + +import org.jboss.seam.annotations.intercept.Interceptors; + +import static java.lang.annotation.ElementType.TYPE; +import static java.lang.annotation.RetentionPolicy.RUNTIME; +import java.lang.annotation.Retention; +import java.lang.annotation.Target; + +/** + * Google Guice support. Allows use of Guice injection inside Seam component. + * + * @author Pawel Wrzeszcz (pwrzeszcz [at] jboss . org) + */ +@Target(TYPE) +@Retention(RUNTIME) +(a)Interceptors(GuiceInterceptor.class) +public @interface Guice +{ + /** + * Name of the Guice injector component. + * By default the injector specified in the components.xml file is used. + */ + String value() default ""; +} Added: trunk/src/ioc/org/jboss/seam/ioc/guice/GuiceInit.java =================================================================== --- trunk/src/ioc/org/jboss/seam/ioc/guice/GuiceInit.java (rev 0) +++ trunk/src/ioc/org/jboss/seam/ioc/guice/GuiceInit.java 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,48 @@ +package org.jboss.seam.ioc.guice; + +import static org.jboss.seam.annotations.Install.FRAMEWORK; + +import java.io.Serializable; + +import org.jboss.seam.ScopeType; +import org.jboss.seam.annotations.Install; +import org.jboss.seam.annotations.Name; +import org.jboss.seam.annotations.Scope; +import org.jboss.seam.annotations.Startup; +import org.jboss.seam.annotations.intercept.BypassInterceptors; + +import com.google.inject.Injector; + +/** + * Guice support configuration component. Holds reference to the default + * injector. + * + * @author Pawel Wrzeszcz (pwrzeszcz [at] jboss . org) + */ +(a)Name(&quot;org.jboss.seam.ioc.guice.init&quot;) +(a)Scope(ScopeType.APPLICATION) +@Startup +@Install(precedence = FRAMEWORK, classDependencies = "com.google.inject.Injector") +@BypassInterceptors +public class GuiceInit implements Serializable +{ + private static final long serialVersionUID = -1517814449129434488L; + + private Injector injector; + + public Injector getInjector() + { + return injector; + } + + public void setInjector(Injector injector) + { + this.injector = injector; + } + + @Override + public String toString() + { + return "org.jboss.seam.ioc.guice.init(" + injector + ")"; + } +} Added: trunk/src/ioc/org/jboss/seam/ioc/guice/GuiceInterceptor.java =================================================================== --- trunk/src/ioc/org/jboss/seam/ioc/guice/GuiceInterceptor.java (rev 0) +++ trunk/src/ioc/org/jboss/seam/ioc/guice/GuiceInterceptor.java 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,99 @@ +package org.jboss.seam.ioc.guice; + +import org.jboss.seam.Component; +import org.jboss.seam.annotations.intercept.AroundInvoke; +import org.jboss.seam.annotations.intercept.Interceptor; +import org.jboss.seam.core.Expressions; +import org.jboss.seam.intercept.InvocationContext; +import org.jboss.seam.log.Log; +import org.jboss.seam.log.Logging; + +import com.google.inject.Injector; + +/** + * Triggers Guice injection on a Seam component. + * + * @author Pawel Wrzeszcz (pwrzeszcz [at] jboss . org) + * @author Tomasz Szymanski (tszymanski [at] jboss.org) + */ +@Interceptor +public class GuiceInterceptor +{ + private static final Log log = Logging.getLog(GuiceInterceptor.class); + + private static final long serialVersionUID = -6716553117162905303L; + + private transient Injector defaultInjector = null; + + @AroundInvoke + public Object aroundInvoke(InvocationContext invocationContext) throws Exception + { + final Injector injector = getInjectorForClass(invocationContext.getMethod().getDeclaringClass()); + + if (log.isTraceEnabled()) + { + log.trace("Injecting members of: #0", invocationContext.getTarget().getClass().getName()); + } + + injector.injectMembers(invocationContext.getTarget()); + + return invocationContext.proceed(); + } + + private Injector getInjectorForClass(final Class<?> declaringClass) + { + final String expr; + Guice guice = declaringClass.getAnnotation(Guice.class); + if (guice != null) { + expr = guice.value(); + } + else { + expr = null; + } + + // Optimize lookups for default injector + return (expr != null && expr.length() > 0) + ? getInjectorByName(expr) : getCachedDefaultInjector(); + } + + private Injector getCachedDefaultInjector() + { + if (defaultInjector == null) + { + GuiceInit init = (GuiceInit) Component.getInstance(GuiceInit.class); + + if (init != null) + { + defaultInjector = init.getInjector(); + } + + if (defaultInjector == null) + { + throw new IllegalStateException("Default Guice injector not specified."); + } + } + + return defaultInjector; + } + + public static Injector getInjectorByName(final String expr) + { + Object result; + + if (expr.startsWith("#")) + { + result = Expressions.instance().createValueExpression(expr).getValue(); + } + else + { + result = Component.getInstance(expr); + } + + if (!(result instanceof Injector)) + { + throw new IllegalArgumentException("Expression '" + expr + "' does not evaluate to a Guice injector."); + } + + return (Injector) result; + } +} Added: trunk/src/ioc/org/jboss/seam/ioc/guice/Injector.java =================================================================== --- trunk/src/ioc/org/jboss/seam/ioc/guice/Injector.java (rev 0) +++ trunk/src/ioc/org/jboss/seam/ioc/guice/Injector.java 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,93 @@ +package org.jboss.seam.ioc.guice; + +import com.google.inject.Guice; +import com.google.inject.Module; +import org.jboss.seam.ScopeType; +import org.jboss.seam.annotations.*; +import static org.jboss.seam.annotations.Install.FRAMEWORK; +import org.jboss.seam.log.LogProvider; +import org.jboss.seam.log.Logging; + +import java.io.Serializable; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +/** + * Creates Guice injector from a list of modules. + * + * @author Pawel Wrzeszcz (pwrzeszcz [at] jboss . org) + */ +(a)Name(&quot;org.jboss.seam.ioc.guice.injector&quot;) +(a)Scope(ScopeType.APPLICATION) +@Startup +@Install(value=false, precedence = FRAMEWORK) +public class Injector implements Serializable +{ + private static final long serialVersionUID = 8935525407647910950L; + + private static final LogProvider log = Logging.getLogProvider(Injector.class); + + private String[] modules; + + private com.google.inject.Injector injector = null; + + @Unwrap + public com.google.inject.Injector getInjector() + { + return injector; + } + + @Create + public void createInjector() throws IllegalAccessException, InstantiationException, ClassNotFoundException + { + if ((modules == null) || (modules.length == 0)) + { + throw new IllegalArgumentException("No Guice module specified."); + } + + log.info("Creating injector '" + + "'from modules: " + Arrays.toString(modules)); + + final List<Module> moduleList = getModuleList(modules); + + injector = Guice.createInjector(moduleList); + } + + private static List<Module> getModuleList(String[] modules) throws IllegalAccessException, InstantiationException, ClassNotFoundException + { + List<Module> moduleList = new ArrayList<Module>(); + + for (String m : modules) + { + Module module = getModule(m); + moduleList.add(module); + } + + return moduleList; + } + + private static Module getModule(String className) + { + try + { + final Class<?> clazz = Class.forName(className, true, Thread.currentThread().getContextClassLoader()); + + return (Module) clazz.newInstance(); + } + catch (Exception e) + { + throw new IllegalArgumentException("Unable to create guice module: " + className, e); + } + } + + public String[] getModules() + { + return modules; + } + + public void setModules(String[] modules) + { + this.modules = modules; + } +} Added: trunk/src/ioc/org/jboss/seam/ioc/guice/guice-2.1.xsd =================================================================== --- trunk/src/ioc/org/jboss/seam/ioc/guice/guice-2.1.xsd (rev 0) +++ trunk/src/ioc/org/jboss/seam/ioc/guice/guice-2.1.xsd 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,39 @@ +<?xml version="1.0" encoding="UTF-8"?> +<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" + targetNamespace="http://jboss.com/products/seam/guice" xmlns:guice="http://jboss.com/products/seam/guice" + xmlns:components="http://jboss.com/products/seam/components" attributeFormDefault="unqualified"> + + <xs:import namespace="http://jboss.com/products/seam/components" + schemaLocation="http://jboss.com/products/seam/components-2.1.xsd&qu... + + <xs:element name="init"> + <xs:annotation> + <xs:documentation>Guice Support Configuration</xs:documentation> + </xs:annotation> + <xs:complexType mixed="true"> + <xs:attributeGroup ref="guice:attlist.guiceInit"/> + </xs:complexType> + </xs:element> + <xs:attributeGroup name="attlist.guiceInit"> + <xs:attribute name="injector" type="components:string"/> + </xs:attributeGroup> + + <xs:element name="injector"> + <xs:annotation> + <xs:documentation>Guice Injector</xs:documentation> + </xs:annotation> + <xs:complexType mixed="true"> + <xs:choice minOccurs="0" maxOccurs="unbounded"> + <xs:element name="modules" type="components:multiValuedProperty"> + <xs:annotation> + <xs:documentation>A list of modules</xs:documentation> + </xs:annotation> + </xs:element> + </xs:choice> + <xs:attributeGroup ref="components:attlist.component"/> + <xs:attributeGroup ref="guice:attlist.guiceInjector"/> + </xs:complexType> + </xs:element> + <xs:attributeGroup name="attlist.guiceInjector"/> + +</xs:schema> Added: trunk/src/ioc/org/jboss/seam/ioc/guice/package-info.java =================================================================== --- trunk/src/ioc/org/jboss/seam/ioc/guice/package-info.java (rev 0) +++ trunk/src/ioc/org/jboss/seam/ioc/guice/package-info.java 2009-04-11 06:33:19 UTC (rev 10386) @@ -0,0 +1,6 @@ +@Namespace(value="http://jboss.com/products/seam/guice", prefix = "org.jboss.seam.ioc.guice") +@AutoCreate +package org.jboss.seam.ioc.guice; + +import org.jboss.seam.annotations.Namespace; +import org.jboss.seam.annotations.AutoCreate;