- /*
- * Copyright 1999-2004 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.jxpath.ri.model.dynamic;
-
- import java.util.Locale;
-
- import org.apache.commons.jxpath.DynamicPropertyHandler;
- import org.apache.commons.jxpath.JXPathIntrospector;
- import org.apache.commons.jxpath.ri.QName;
- import org.apache.commons.jxpath.ri.model.NodeIterator;
- import org.apache.commons.jxpath.ri.model.NodePointer;
- import org.apache.commons.jxpath.ri.model.beans.PropertyIterator;
- import org.apache.commons.jxpath.ri.model.beans.PropertyOwnerPointer;
- import org.apache.commons.jxpath.ri.model.beans.PropertyPointer;
-
- /**
- * A Pointer that points to an object with Dynamic Properties. It is used for
- * the first element of a path; following elements will by of type
- * PropertyPointer.
- *
- * @author Dmitri Plotnikov
- * @version $Revision: 1.6 $ $Date: 2004/02/29 14:17:44 $
- */
- public class DynamicPointer extends PropertyOwnerPointer {
- private QName name;
- private Object bean;
- private DynamicPropertyHandler handler;
- private String[] names;
-
- public DynamicPointer(QName name, Object bean,
- DynamicPropertyHandler handler, Locale locale)
- {
- super(null, locale);
- this.name = name;
- this.bean = bean;
- this.handler = handler;
- }
-
- public DynamicPointer(NodePointer parent, QName name,
- Object bean, DynamicPropertyHandler handler)
- {
- super(parent);
- this.name = name;
- this.bean = bean;
- this.handler = handler;
- }
-
- public PropertyPointer getPropertyPointer() {
- return new DynamicPropertyPointer(this, handler);
- }
-
- public NodeIterator createNodeIterator(
- String property, boolean reverse, NodePointer startWith)
- {
- return new PropertyIterator(this, property, reverse, startWith);
- }
-
- public NodeIterator attributeIterator(QName name) {
- return new DynamicAttributeIterator(this, name);
- }
-
- public QName getName() {
- return name;
- }
-
- public boolean isDynamicPropertyDeclarationSupported() {
- return true;
- }
-
- /**
- * Returns the DP object iself.
- */
- public Object getBaseValue() {
- return bean;
- }
-
- public boolean isLeaf() {
- Object value = getNode();
- return value == null
- || JXPathIntrospector.getBeanInfo(value.getClass()).isAtomic();
- }
-
- public boolean isCollection() {
- return false;
- }
-
- /**
- * Returns 1.
- */
- public int getLength() {
- return 1;
- }
-
- public String asPath() {
- if (parent != null) {
- return super.asPath();
- }
- return "/";
- }
-
- public int hashCode() {
- return System.identityHashCode(bean) + name.hashCode();
- }
-
- public boolean equals(Object object) {
- if (object == this) {
- return true;
- }
-
- if (!(object instanceof DynamicPointer)) {
- return false;
- }
-
- DynamicPointer other = (DynamicPointer) object;
- return bean == other.bean && name.equals(other.name);
- }
- }