115 lines
3.7 KiB
Java
115 lines
3.7 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package java.beans;
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import java.util.HashMap;
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import java.util.Map;
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public class PropertyEditorManager {
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private static String[] path = { "org.apache.harmony.beans.editors" }; //$NON-NLS-1$
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private static final Map<Class<?>, Class<?>> registeredEditors = new HashMap<Class<?>, Class<?>>();
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public PropertyEditorManager() {
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}
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public static void registerEditor(Class<?> targetType, Class<?> editorClass) {
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if (targetType == null) {
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throw new NullPointerException();
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}
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SecurityManager sm = System.getSecurityManager();
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if (sm != null) {
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sm.checkPropertiesAccess();
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}
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if (editorClass != null) {
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registeredEditors.put(targetType, editorClass);
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} else {
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registeredEditors.remove(targetType);
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}
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}
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public static synchronized PropertyEditor findEditor(Class<?> targetType) {
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if (targetType == null) {
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throw new NullPointerException();
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}
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Class<?> editorClass = null;
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PropertyEditor editor = null;
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editorClass = registeredEditors.get(targetType);
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if (editorClass == null) {
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String editorClassName = targetType.getName() + "Editor"; //$NON-NLS-1$
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ClassLoader loader = targetType.getClassLoader();
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if (loader == null) {
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loader = Thread.currentThread().getContextClassLoader();
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}
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try {
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editorClass = Class.forName(editorClassName, true, loader);
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} catch (ClassNotFoundException cnfe) {
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String shortEditorClassName = editorClassName
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.substring(editorClassName.lastIndexOf(".") + 1); //$NON-NLS-1$
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if (targetType.isPrimitive()) {
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shortEditorClassName = shortEditorClassName.substring(0, 1)
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.toUpperCase()
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+ shortEditorClassName.substring(1);
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}
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for (String element : path) {
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editorClassName = element + "." + shortEditorClassName; //$NON-NLS-1$
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try {
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editorClass = Class.forName(editorClassName, true,
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loader);
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break;
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} catch (Exception e) {
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}
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}
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} catch (Exception e) {
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}
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}
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if (editorClass != null) {
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try {
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editor = (PropertyEditor) editorClass.newInstance();
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} catch (Exception e) {
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}
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}
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return editor;
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}
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public static synchronized void setEditorSearchPath(String[] apath) {
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SecurityManager sm = System.getSecurityManager();
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if (sm != null) {
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sm.checkPropertiesAccess();
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}
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path = apath;
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}
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public static synchronized String[] getEditorSearchPath() {
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return path;
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}
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}
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