- /*
- * Copyright 2004 The Apache Software Foundation.
- *
- * Licensed 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
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * 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.
- */
-
- package org.apache.commons.betwixt.strategy;
-
- import org.apache.commons.betwixt.ElementDescriptor;
- import org.apache.commons.betwixt.io.read.ArrayBindAction;
- import org.apache.commons.betwixt.io.read.BeanBindAction;
- import org.apache.commons.betwixt.io.read.MappingAction;
- import org.apache.commons.betwixt.io.read.ReadContext;
- import org.apache.commons.betwixt.io.read.SimpleTypeBindAction;
- import org.xml.sax.Attributes;
-
- /**
- * @author <a href='http://jakarta.apache.org/'>Jakarta Commons Team</a>
- * @version $Revision: 1.2 $
- */
- public class DefaultActionMappingStrategy extends ActionMappingStrategy {
-
- /**
- * Gets the mapping action to map the given element.
- * @param namespace not null
- * @param name not null
- * @param attributes <code>Attributes</code>, not null
- * @param context <code>ReadContext</code>, not null
- * @return <code>MappingAction</code>, not null
- * @throws Exception
- */
- public MappingAction getMappingAction(
- String namespace,
- String name,
- Attributes attributes,
- ReadContext context)
- throws Exception {
- MappingAction result = MappingAction.EMPTY;
-
- ElementDescriptor activeDescriptor = context.getCurrentDescriptor();
- if (activeDescriptor != null) {
- if (activeDescriptor.isHollow()) {
- if (isArrayDescriptor(activeDescriptor)) {
- result = ArrayBindAction.createMappingAction(activeDescriptor);
- } else {
- result = BeanBindAction.INSTANCE;
- }
- }
- else if (activeDescriptor.isSimple())
- {
- result = SimpleTypeBindAction.INSTANCE;
- }
- else
- {
- ElementDescriptor[] descriptors
- = activeDescriptor.getElementDescriptors();
- if (descriptors.length == 1) {
- ElementDescriptor childDescriptor = descriptors[0];
- if (childDescriptor.isHollow()
- && isArrayDescriptor(childDescriptor)) {
- result = ArrayBindAction.createMappingAction(childDescriptor);
- }
- }
- }
- }
- return result;
- }
-
- /**
- * Is the give
- * @param descriptor <code>ElementDescriptor</code>, possibly null
- * @return true if the descriptor describes an array property, if null returns false
- */
- private boolean isArrayDescriptor(ElementDescriptor descriptor) {
- boolean result = false;
- if (descriptor != null) {
- Class propertyType = descriptor.getPropertyType();
- if (propertyType != null) {
- result = propertyType.isArray();
- }
- }
- return result;
- }
- }