001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.xbean.spring.context.impl;
018    
019    import org.apache.commons.logging.Log;
020    import org.apache.commons.logging.LogFactory;
021    
022    import java.beans.PropertyEditorManager;
023    
024    /**
025     * A helper method to register some custom editors
026     * 
027     * @version $Revision: 1.1 $
028     */
029    public class PropertyEditorHelper {
030        private static final Log log = LogFactory.getLog(PropertyEditorHelper.class);
031    
032        public static void registerCustomEditors() {
033            registerEditor("java.io.File", "org.apache.xbean.spring.context.impl.FileEditor");
034            registerEditor("java.net.URI", "org.apache.xbean.spring.context.impl.URIEditor");
035            registerEditor("java.util.Date", "org.apache.xbean.spring.context.impl.DateEditor");
036            registerEditor("javax.management.ObjectName", "org.apache.xbean.spring.context.impl.ObjectNameEditor");
037        }
038    
039        protected static void registerEditor(String typeName, String editorName) {
040            Class type = loadClass(typeName);
041            Class editor = loadClass(editorName);
042            if (type != null && editor != null) {
043                PropertyEditorManager.registerEditor(type, editor);
044            }
045        }
046    
047        public static Class loadClass(String name) {
048            ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
049            if (contextClassLoader != null) {
050                try {
051                    return contextClassLoader.loadClass(name);
052                }
053                catch (ClassNotFoundException e) {
054                }
055                catch (NoClassDefFoundError e) {
056                }
057            }
058            try {
059                return PropertyEditorHelper.class.getClassLoader().loadClass(name);
060            }
061            catch (ClassNotFoundException e) {
062                log.debug("Could not find class: " + name + " on the classpath");
063                return null;
064            }
065            catch (NoClassDefFoundError e) {
066                log.debug("Could not load class: " + name + " on the classpath. " + e.getMessage());
067                return null;
068            }
069        }
070    
071    }