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Ant example source code file (JavahAdapterFactory.java)
The JavahAdapterFactory.java source code/* * 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.javah; import org.apache.tools.ant.BuildException; import org.apache.tools.ant.ProjectComponent; import org.apache.tools.ant.util.ClasspathUtils; import org.apache.tools.ant.util.JavaEnvUtils; /** * Creates the JavahAdapter based on the user choice and * potentially the VM vendor. * * @since Ant 1.6.3 */ public class JavahAdapterFactory { /** * Determines the default choice of adapter based on the VM * vendor. * * @return the default choice of adapter based on the VM * vendor */ public static String getDefault() { if (JavaEnvUtils.isKaffe()) { return Kaffeh.IMPLEMENTATION_NAME; } return SunJavah.IMPLEMENTATION_NAME; } /** * Creates the JavahAdapter based on the user choice and * potentially the VM vendor. * * @param choice the user choice (if any). * @param log a ProjectComponent instance used to access Ant's * logging system. * @return The adapter to use. * @throws BuildException if there is an error. */ public static JavahAdapter getAdapter(String choice, ProjectComponent log) throws BuildException { if ((JavaEnvUtils.isKaffe() && choice == null) || Kaffeh.IMPLEMENTATION_NAME.equals(choice)) { return new Kaffeh(); } else if (SunJavah.IMPLEMENTATION_NAME.equals(choice)) { return new SunJavah(); } else if (choice != null) { return resolveClassName(choice); } // This default has been good enough until Ant 1.6.3, so stick // with it return new SunJavah(); } /** * Tries to resolve the given classname into a javah adapter. * Throws a fit if it can't. * * @param className The fully qualified classname to be created. * @throws BuildException This is the fit that is thrown if className * isn't an instance of JavahAdapter. */ private static JavahAdapter resolveClassName(String className) throws BuildException { return (JavahAdapter) ClasspathUtils.newInstance(className, JavahAdapterFactory.class.getClassLoader(), JavahAdapter.class); } } Other Ant examples (source code examples)Here is a short list of links related to this Ant JavahAdapterFactory.java source code file: |
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