JavaClass.java |
/* * The Apache Software License, Version 1.1 * * * Copyright (c) 2001-2003 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Axis" and "Apache Software Foundation" must * not be used to endorse or promote products derived from this * software without prior written permission. For written * permission, please contact apache@apache.org. * * 5. Products derived from this software may not be called "Apache", * nor may "Apache" appear in their name, without prior written * permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ package org.jboss.axis.utils.cache; import java.lang.reflect.Method; import java.util.Hashtable; /** * A simple cache of previously loaded classes, and their methods. * * @author Sam Ruby <rubys@us.ibm.com> */ public class JavaClass { private static Hashtable classes = new Hashtable(); private Hashtable methods = new Hashtable(); private Class jc; /** * Find (or create if necessary) a JavaClass associated with a given * class */ public static synchronized JavaClass find(Class jc) { JavaClass result = (JavaClass)classes.get(jc); if (result == null) { result = new JavaClass(jc); classes.put(jc, result); } return result; } /** * Create a cache entry for this java.lang.Class */ public JavaClass(Class jc) { this.jc = jc; classes.put(jc, this); } /** * Return the java.lang.Class associated with this entry */ public Class getJavaClass() { return jc; } /** * Lookup a method based on name. This method returns an array just in * case there is more than one. * * @param name name of method */ public Method[] getMethod(String name) { JavaMethod jm = (JavaMethod)methods.get(name); if (jm == null) { methods.put(name, jm = new JavaMethod(jc, name)); } return jm.getMethod(); } } ;
JavaClass.java |