| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 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 "Apache" 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 |
| * XMLBeans", 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 and was |
| * originally based on software copyright (c) 2000-2003 BEA Systems |
| * Inc., <http://www.bea.com/>. For more information on the Apache Software |
| * Foundation, please see <http://www.apache.org/>. |
| */ |
| |
| package org.apache.xmlbeans.impl.marshal; |
| |
| import java.lang.reflect.Array; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| final class ClassLoadingUtils |
| { |
| private static final Map PRIMITIVES = new HashMap(); |
| |
| static |
| { |
| PRIMITIVES.put(boolean.class.getName(), boolean.class); |
| PRIMITIVES.put(char.class.getName(), char.class); |
| PRIMITIVES.put(byte.class.getName(), byte.class); |
| PRIMITIVES.put(short.class.getName(), short.class); |
| PRIMITIVES.put(int.class.getName(), int.class); |
| PRIMITIVES.put(long.class.getName(), long.class); |
| PRIMITIVES.put(float.class.getName(), float.class); |
| PRIMITIVES.put(double.class.getName(), double.class); |
| } |
| |
| |
| public static Class loadClass(String className, |
| ClassLoader backup_classloader) |
| throws ClassNotFoundException |
| { |
| Class prim_class = loadPrimitiveClass(className); |
| if (prim_class != null) return prim_class; |
| |
| Class array_class = loadArrayClass(className, backup_classloader); |
| if (array_class != null) |
| return array_class; |
| else |
| return loadNonArrayClass(className, backup_classloader); |
| } |
| |
| private static Class loadPrimitiveClass(String className) |
| { |
| return (Class)PRIMITIVES.get(className); |
| } |
| |
| private static Class loadNonArrayClass(String className, |
| ClassLoader backup_classloader) |
| throws ClassNotFoundException |
| { |
| Class prim_class = loadPrimitiveClass(className); |
| |
| if (prim_class != null) { |
| return prim_class; |
| } |
| |
| ClassLoader cl = Thread.currentThread().getContextClassLoader(); |
| |
| if (cl == null) { |
| cl = backup_classloader; |
| } |
| |
| try { |
| return cl.loadClass(className); |
| } |
| catch (ClassNotFoundException e) { |
| return Class.forName(className); |
| } |
| } |
| |
| private static Class loadArrayClass(String className, |
| ClassLoader backup_classloader) |
| throws ClassNotFoundException |
| { |
| StringBuffer component = new StringBuffer(className.length()); |
| int rank = getArrayComponentNameFromDecl(component, className); |
| |
| if (rank < 1) return null; //not an array |
| |
| int[] ranks = new int[rank]; |
| |
| Arrays.fill(ranks, 1); |
| |
| Class component_class = loadNonArrayClass(component.toString(), |
| backup_classloader); |
| Object instance = Array.newInstance(component_class, ranks); |
| return instance.getClass(); |
| } |
| |
| //TODO: make sure we don't have a another version of this method somewhere |
| //compname holds return value |
| //return int is number of dimensions of array |
| public static int getArrayComponentNameFromDecl(StringBuffer compname, |
| String aname) |
| { |
| compname.setLength(0); |
| |
| final int first_bracket = aname.indexOf('['); |
| |
| if (first_bracket <= 0) { |
| compname.append(aname); |
| return 0; |
| } |
| |
| final String base = aname.substring(0, first_bracket).trim(); |
| compname.append(base); |
| |
| int rank = 0; |
| for (int idx = aname.indexOf(']'); idx >= 0; |
| idx = aname.indexOf(']', idx + 1)) { |
| rank++; |
| } |
| |
| assert compname.length() > 0; |
| assert rank > 0; |
| return rank; |
| } |
| |
| static Object newInstance(Class javaClass) |
| { |
| try { |
| return javaClass.newInstance(); |
| } |
| catch (InstantiationException e) { |
| //TODO: real error handling |
| throw (RuntimeException)(new RuntimeException(e.getMessage()).initCause(e)); |
| } |
| catch (IllegalAccessException e) { |
| //TODO: real error handling |
| throw (RuntimeException)(new RuntimeException(e.getMessage()).initCause(e)); |
| } |
| } |
| |
| |
| } |