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Ant example source code file (

This example Ant source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Ant tags/keywords

buildexception, buildexception, class, default_compiler, forkingsunrmic, rmicadapter, rmicadapter, rmicadapterfactory, rmicadapterfactory, string, string, task, type, util, wlrmic

The 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
 *  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.



import java.util.Locale;

 * Creates the necessary rmic adapter, given basic criteria.
 * @since 1.4
public final class RmicAdapterFactory {
    /** The error message to be used when the compiler cannot be found. */
    public static final String ERROR_UNKNOWN_COMPILER = "Class not found: ";

    /** The error message to be used when the class is not an rmic adapter. */
    public static final String ERROR_NOT_RMIC_ADAPTER = "Class of unexpected Type: ";

    /** If the compiler has this name use a default compiler. */
    public static final String DEFAULT_COMPILER = "default";

    /** This is a singleton -- can't create instances!! */
    private RmicAdapterFactory() {

     * Based on the parameter passed in, this method creates the necessary
     * factory desired.
     * <p>The current mapping for rmic names are as follows:

* <ul>
  • sun = SUN's rmic * <li>kaffe = Kaffe's rmic * <li>a fully quallified classname = the name of a rmic * adapter * <li>weblogic = weblogic compiler * <li>forking = Sun's RMIC by forking a new JVM * </ul> * * @param rmicType either the name of the desired rmic, or the * full classname of the rmic's adapter. * @param task a task to log through. * @return the compiler adapter * @throws BuildException if the rmic type could not be resolved into * a rmic adapter. */ public static RmicAdapter getRmic(String rmicType, Task task) throws BuildException { //convert to lower case in the English locale, String compiler = rmicType.toLowerCase(Locale.ENGLISH); //handle default specially by choosing the sun or kaffe compiler if (DEFAULT_COMPILER.equals(compiler) || compiler.length() == 0) { compiler = KaffeRmic.isAvailable() ? KaffeRmic.COMPILER_NAME : SunRmic.COMPILER_NAME; } if (SunRmic.COMPILER_NAME.equals(compiler)) { return new SunRmic(); } else if (KaffeRmic.COMPILER_NAME.equals(compiler)) { return new KaffeRmic(); } else if (WLRmic.COMPILER_NAME.equals(compiler)) { return new WLRmic(); } else if (ForkingSunRmic.COMPILER_NAME.equals(compiler)) { return new ForkingSunRmic(); } else if (XNewRmic.COMPILER_NAME.equals(compiler)) { return new XNewRmic(); } //no match? ask for the non-lower-cased type return resolveClassName(rmicType); } /** * Tries to resolve the given classname into a rmic 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 RmicAdapter. */ private static RmicAdapter resolveClassName(String className) throws BuildException { return (RmicAdapter) ClasspathUtils.newInstance(className, RmicAdapterFactory.class.getClassLoader(), RmicAdapter.class); } }
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