| /* |
| * 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 org.apache.tools.ant.taskdefs.optional.j2ee; |
| |
| import org.apache.tools.ant.BuildException; |
| import org.apache.tools.ant.taskdefs.Java; |
| import org.apache.tools.ant.types.Commandline; |
| |
| /** |
| * A generic tool for J2EE server hot deployment. |
| * <p>The simple implementation spawns a JVM with the supplied |
| * class name, jvm args, and arguments. |
| * |
| * @see org.apache.tools.ant.taskdefs.optional.j2ee.HotDeploymentTool |
| * @see org.apache.tools.ant.taskdefs.optional.j2ee.AbstractHotDeploymentTool |
| * @see org.apache.tools.ant.taskdefs.optional.j2ee.ServerDeploy |
| */ |
| public class GenericHotDeploymentTool extends AbstractHotDeploymentTool { |
| /** A Java task used to run the deployment tool **/ |
| private Java java; |
| |
| /** The fully qualified class name of the deployment tool **/ |
| private String className; |
| |
| /** List of valid actions **/ |
| private static final String[] VALID_ACTIONS = {ACTION_DEPLOY}; |
| |
| /** |
| * Add a nested argument element to hand to the deployment tool; optional. |
| * @return A Commandline.Argument object representing the |
| * command line argument being passed when the deployment |
| * tool is run. IE: "-user=mark", "-password=venture"... |
| */ |
| public Commandline.Argument createArg() { |
| return java.createArg(); |
| } |
| |
| /** |
| * Add a nested argment element to hand to the JVM running the |
| * deployment tool. |
| * Creates a nested arg element. |
| * @return A Commandline.Argument object representing the |
| * JVM command line argument being passed when the deployment |
| * tool is run. IE: "-ms64m", "-mx128m"... |
| */ |
| public Commandline.Argument createJvmarg() { |
| return java.createJvmarg(); |
| } |
| |
| /** |
| * Determines if the "action" attribute defines a valid action. |
| * <p>Subclasses should determine if the action passed in is |
| * supported by the vendor's deployment tool. |
| * For this generic implementation, the only valid action is "deploy" |
| * @return true if the "action" attribute is valid, false if not. |
| */ |
| protected boolean isActionValid() { |
| return (getTask().getAction().equals(VALID_ACTIONS[0])); |
| } |
| |
| /** |
| * Sets the parent task. |
| * @param task An ServerDeploy object representing the parent task. |
| * @ant.attribute ignored="true" |
| */ |
| public void setTask(ServerDeploy task) { |
| super.setTask(task); |
| java = new Java(task); |
| } |
| |
| /** |
| * Perform the actual deployment. |
| * For this generic implementation, a JVM is spawned using the |
| * supplied classpath, classname, JVM args, and command line arguments. |
| * @exception org.apache.tools.ant.BuildException if the attributes are invalid or incomplete. |
| */ |
| public void deploy() throws BuildException { |
| java.setClassname(className); |
| java.setClasspath(getClasspath()); |
| java.setFork(true); |
| java.setFailonerror(true); |
| java.execute(); |
| } |
| |
| /** |
| * Validates the passed in attributes. |
| * Ensures the className and arguments attribute have been set. |
| * @exception org.apache.tools.ant.BuildException if the attributes are invalid or incomplete. |
| */ |
| public void validateAttributes() throws BuildException { |
| super.validateAttributes(); |
| |
| if (className == null) { |
| throw new BuildException("The classname attribute must be set"); |
| } |
| } |
| |
| /** |
| * The name of the class to execute to perfom |
| * deployment; required. |
| * Example: "com.foobar.tools.deploy.DeployTool" |
| * @param className The fully qualified class name of the class |
| * to perform deployment. |
| */ |
| public void setClassName(String className) { |
| this.className = className; |
| } |
| |
| /** |
| * get the java attribute. |
| * @return the java attribute. |
| */ |
| public Java getJava() { |
| return java; |
| } |
| |
| /** |
| * Get the classname attribute. |
| * @return the classname value. |
| */ |
| public String getClassName() { |
| return className; |
| } |
| } |