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Arun Gupta
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Starting work on Alternatives sample
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‎cdi/alternatives/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<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">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.javaee7.cdi</groupId>
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<artifactId>cdi-samples</artifactId>
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<version>1.0-SNAPSHOT</version>
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<relativePath>../pom.xml</relativePath>
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</parent>
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<groupId>org.javaee7.cdi</groupId>
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<artifactId>alternatives</artifactId>
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<version>1.0-SNAPSHOT</version>
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<packaging>war</packaging>
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</project>

‎cdi/alternatives/src/main/java/org/javaee7/cdi/alternatives/Fancy.java‎

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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
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*
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common Development
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* and Distribution License("CDDL") (collectively, the "License"). You
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* may not use this file except in compliance with the License. You can
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* obtain a copy of the License at
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* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* or packager/legal/LICENSE.txt. See the License for the specific
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* language governing permissions and limitations under the License.
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*
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* When distributing the software, include this License Header Notice in each
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* file and include the License file at packager/legal/LICENSE.txt.
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*
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* GPL Classpath Exception:
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* Oracle designates this particular file as subject to the "Classpath"
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* exception as provided by Oracle in the GPL Version 2 section of the License
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* file that accompanied this code.
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*
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* Modifications:
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* If applicable, add the following below the License Header, with the fields
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* enclosed by brackets [] replaced by your own identifying information:
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* "Portions Copyright [year] [name of copyright owner]"
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*
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* Contributor(s):
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* If you wish your version of this file to be governed by only the CDDL or
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* only the GPL Version 2, indicate your decision by adding "[Contributor]
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* elects to include this software in this distribution under the [CDDL or GPL
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* Version 2] license." If you don't indicate a single choice of license, a
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* recipient has the option to distribute your version of this file under
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* either the CDDL, the GPL Version 2 or to extend the choice of license to
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* its licensees as provided above. However, if you add GPL Version 2 code
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* and therefore, elected the GPL Version 2 license, then the option applies
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* only if the new code is made subject to such option by the copyright
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* holder.
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*/
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package org.javaee7.cdi.alternatives;
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import static java.lang.annotation.ElementType.TYPE;
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import static java.lang.annotation.ElementType.FIELD;
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import static java.lang.annotation.ElementType.PARAMETER;
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import static java.lang.annotation.ElementType.METHOD;
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import static java.lang.annotation.RetentionPolicy.RUNTIME;
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import java.lang.annotation.Retention;
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import java.lang.annotation.Target;
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import javax.inject.Qualifier;
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/**
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* @author Arun Gupta
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*/
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@Qualifier
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@Retention(RUNTIME)
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@Target({METHOD, FIELD, PARAMETER, TYPE})
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public @interface Fancy {
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}

‎cdi/alternatives/src/main/java/org/javaee7/cdi/alternatives/FancyGreeting.java‎

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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
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*
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common Development
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* and Distribution License("CDDL") (collectively, the "License"). You
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* may not use this file except in compliance with the License. You can
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* obtain a copy of the License at
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* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* or packager/legal/LICENSE.txt. See the License for the specific
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* language governing permissions and limitations under the License.
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*
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* When distributing the software, include this License Header Notice in each
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* file and include the License file at packager/legal/LICENSE.txt.
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*
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* GPL Classpath Exception:
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* Oracle designates this particular file as subject to the "Classpath"
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* exception as provided by Oracle in the GPL Version 2 section of the License
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* file that accompanied this code.
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*
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* Modifications:
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* If applicable, add the following below the License Header, with the fields
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* enclosed by brackets [] replaced by your own identifying information:
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* "Portions Copyright [year] [name of copyright owner]"
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*
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* Contributor(s):
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* If you wish your version of this file to be governed by only the CDDL or
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* only the GPL Version 2, indicate your decision by adding "[Contributor]
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* elects to include this software in this distribution under the [CDDL or GPL
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* Version 2] license." If you don't indicate a single choice of license, a
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* recipient has the option to distribute your version of this file under
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* either the CDDL, the GPL Version 2 or to extend the choice of license to
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* its licensees as provided above. However, if you add GPL Version 2 code
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* and therefore, elected the GPL Version 2 license, then the option applies
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* only if the new code is made subject to such option by the copyright
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* holder.
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*/
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package org.javaee7.cdi.alternatives;
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import javax.enterprise.inject.Alternative;
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/**
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* @author Arun Gupta
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*/
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@Fancy
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@Alternative
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public class FancyGreeting implements Greeting {
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@Override
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public String greet(String name) {
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return "Nice to meet you, hello" + name;
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}
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}

‎cdi/alternatives/src/main/java/org/javaee7/cdi/alternatives/Greeting.java‎

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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
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*
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common Development
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* and Distribution License("CDDL") (collectively, the "License"). You
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* may not use this file except in compliance with the License. You can
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* obtain a copy of the License at
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* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* or packager/legal/LICENSE.txt. See the License for the specific
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* language governing permissions and limitations under the License.
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*
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* When distributing the software, include this License Header Notice in each
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* file and include the License file at packager/legal/LICENSE.txt.
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*
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* GPL Classpath Exception:
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* Oracle designates this particular file as subject to the "Classpath"
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* exception as provided by Oracle in the GPL Version 2 section of the License
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* file that accompanied this code.
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*
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* Modifications:
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* If applicable, add the following below the License Header, with the fields
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* enclosed by brackets [] replaced by your own identifying information:
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* "Portions Copyright [year] [name of copyright owner]"
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*
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* Contributor(s):
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* If you wish your version of this file to be governed by only the CDDL or
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* only the GPL Version 2, indicate your decision by adding "[Contributor]
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* elects to include this software in this distribution under the [CDDL or GPL
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* Version 2] license." If you don't indicate a single choice of license, a
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* recipient has the option to distribute your version of this file under
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* either the CDDL, the GPL Version 2 or to extend the choice of license to
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* its licensees as provided above. However, if you add GPL Version 2 code
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* and therefore, elected the GPL Version 2 license, then the option applies
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* only if the new code is made subject to such option by the copyright
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* holder.
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*/
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package org.javaee7.cdi.alternatives;
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/**
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* @author Arun Gupta
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*/
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public interface Greeting {
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public String greet(String name);
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}

‎cdi/alternatives/src/main/java/org/javaee7/cdi/alternatives/SimpleGreeting.java‎

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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
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*
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common Development
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* and Distribution License("CDDL") (collectively, the "License"). You
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* may not use this file except in compliance with the License. You can
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* obtain a copy of the License at
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* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* or packager/legal/LICENSE.txt. See the License for the specific
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* language governing permissions and limitations under the License.
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*
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* When distributing the software, include this License Header Notice in each
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* file and include the License file at packager/legal/LICENSE.txt.
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*
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* GPL Classpath Exception:
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* Oracle designates this particular file as subject to the "Classpath"
20+
* exception as provided by Oracle in the GPL Version 2 section of the License
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* file that accompanied this code.
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*
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* Modifications:
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* If applicable, add the following below the License Header, with the fields
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* enclosed by brackets [] replaced by your own identifying information:
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* "Portions Copyright [year] [name of copyright owner]"
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*
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* Contributor(s):
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* If you wish your version of this file to be governed by only the CDDL or
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* only the GPL Version 2, indicate your decision by adding "[Contributor]
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* elects to include this software in this distribution under the [CDDL or GPL
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* Version 2] license." If you don't indicate a single choice of license, a
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* recipient has the option to distribute your version of this file under
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* either the CDDL, the GPL Version 2 or to extend the choice of license to
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* its licensees as provided above. However, if you add GPL Version 2 code
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* and therefore, elected the GPL Version 2 license, then the option applies
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* only if the new code is made subject to such option by the copyright
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* holder.
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*/
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package org.javaee7.cdi.alternatives;
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import javax.enterprise.inject.Alternative;
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/**
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* @author Arun Gupta
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*/
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@Alternative
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public class SimpleGreeting implements Greeting {
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@Override
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public String greet(String name) {
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return "Hello " + name;
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}
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}

‎cdi/alternatives/src/main/java/org/javaee7/cdi/alternatives/TestServlet.java‎

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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
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*
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common Development
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* and Distribution License("CDDL") (collectively, the "License"). You
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* may not use this file except in compliance with the License. You can
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* obtain a copy of the License at
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* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* or packager/legal/LICENSE.txt. See the License for the specific
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* language governing permissions and limitations under the License.
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*
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* When distributing the software, include this License Header Notice in each
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* file and include the License file at packager/legal/LICENSE.txt.
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*
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* GPL Classpath Exception:
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* Oracle designates this particular file as subject to the "Classpath"
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* exception as provided by Oracle in the GPL Version 2 section of the License
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* file that accompanied this code.
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*
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* Modifications:
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* If applicable, add the following below the License Header, with the fields
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* enclosed by brackets [] replaced by your own identifying information:
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* "Portions Copyright [year] [name of copyright owner]"
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*
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* Contributor(s):
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* If you wish your version of this file to be governed by only the CDDL or
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* only the GPL Version 2, indicate your decision by adding "[Contributor]
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* elects to include this software in this distribution under the [CDDL or GPL
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* Version 2] license." If you don't indicate a single choice of license, a
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* recipient has the option to distribute your version of this file under
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* either the CDDL, the GPL Version 2 or to extend the choice of license to
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* its licensees as provided above. However, if you add GPL Version 2 code
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* and therefore, elected the GPL Version 2 license, then the option applies
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* only if the new code is made subject to such option by the copyright
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* holder.
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*/
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package org.javaee7.cdi.alternatives;
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import java.io.IOException;
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import java.io.PrintWriter;
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import javax.inject.Inject;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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/**
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* @author Arun Gupta
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*/
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@WebServlet(urlPatterns = {"/TestServlet"})
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public class TestServlet extends HttpServlet {
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@Inject Greeting greeting;
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/**
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* Processes requests for both HTTP
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* <code>GET</code> and
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* <code>POST</code> methods.
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*
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* @param request servlet request
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* @param response servlet response
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* @throws ServletException if a servlet-specific error occurs
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* @throws IOException if an I/O error occurs
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*/
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protected void processRequest(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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response.setContentType("text/html;charset=UTF-8");
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try (PrintWriter out = response.getWriter()) {
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out.println("<!DOCTYPE html>");
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out.println("<html>");
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out.println("<head>");
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out.println("<title>CDI Interceptors</title>");
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out.println("</head>");
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out.println("<body>");
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out.println("<h1>CDI Interceptors</h1>");
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out.println(greeting.greet("Duke"));
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out.println("<p><p>Look for output in \"server.log\".");
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out.println("</body>");
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out.println("</html>");
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}
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}
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// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
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/**
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* Handles the HTTP
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* <code>GET</code> method.
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*
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* @param request servlet request
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* @param response servlet response
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* @throws ServletException if a servlet-specific error occurs
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* @throws IOException if an I/O error occurs
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*/
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@Override
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protected void doGet(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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processRequest(request, response);
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}
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/**
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* Handles the HTTP
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* <code>POST</code> method.
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*
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* @param request servlet request
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* @param response servlet response
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* @throws ServletException if a servlet-specific error occurs
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* @throws IOException if an I/O error occurs
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*/
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@Override
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protected void doPost(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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processRequest(request, response);
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}
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/**
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* Returns a short description of the servlet.
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*
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* @return a String containing servlet description
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*/
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@Override
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public String getServletInfo() {
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return "Short description";
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}// </editor-fold>
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}

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