| /* |
| |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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.batik.dom; |
| |
| import org.w3c.dom.CharacterData; |
| import org.w3c.dom.DOMException; |
| import org.w3c.dom.Node; |
| |
| /** |
| * This class implements the {@link org.w3c.dom.CharacterData} interface. |
| * |
| * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a> |
| * @version $Id$ |
| */ |
| public abstract class AbstractCharacterData |
| extends AbstractChildNode |
| implements CharacterData { |
| |
| /** |
| * The value of this node. |
| */ |
| protected String nodeValue = ""; |
| |
| /** |
| * <b>DOM</b>: Implements {@link org.w3c.dom.Node#getNodeValue()}. |
| * @return {@link #nodeValue}. |
| */ |
| public String getNodeValue() throws DOMException { |
| return nodeValue; |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link org.w3c.dom.Node#setNodeValue(String)}. |
| */ |
| public void setNodeValue(String nodeValue) throws DOMException { |
| if (isReadonly()) { |
| throw createDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, |
| "readonly.node", |
| new Object[] { new Integer(getNodeType()), |
| getNodeName() }); |
| } |
| // Node modification |
| String val = this.nodeValue; |
| this.nodeValue = (nodeValue == null) ? "" : nodeValue; |
| |
| // Mutation event |
| fireDOMCharacterDataModifiedEvent(val, this.nodeValue); |
| if (getParentNode() != null) { |
| ((AbstractParentNode)getParentNode()). |
| fireDOMSubtreeModifiedEvent(); |
| } |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link org.w3c.dom.CharacterData#getData()}. |
| * @return {@link #getNodeValue()}. |
| */ |
| public String getData() throws DOMException { |
| return getNodeValue(); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link |
| * org.w3c.dom.CharacterData#setData(String)}. |
| */ |
| public void setData(String data) throws DOMException { |
| setNodeValue(data); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link org.w3c.dom.CharacterData#getLength()}. |
| * @return {@link #nodeValue}.length(). |
| */ |
| public int getLength() { |
| return nodeValue.length(); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link |
| * org.w3c.dom.CharacterData#substringData(int,int)}. |
| */ |
| public String substringData(int offset, int count) throws DOMException { |
| checkOffsetCount(offset, count); |
| |
| String v = getNodeValue(); |
| return v.substring(offset, Math.min(v.length(), offset + count)); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link |
| * org.w3c.dom.CharacterData#appendData(String)}. |
| */ |
| public void appendData(String arg) throws DOMException { |
| if (isReadonly()) { |
| throw createDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, |
| "readonly.node", |
| new Object[] { new Integer(getNodeType()), |
| getNodeName() }); |
| } |
| setNodeValue(getNodeValue() + ((arg == null) ? "" : arg)); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link |
| * org.w3c.dom.CharacterData#insertData(int,String)}. |
| */ |
| public void insertData(int offset, String arg) throws DOMException { |
| if (isReadonly()) { |
| throw createDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, |
| "readonly.node", |
| new Object[] { new Integer(getNodeType()), |
| getNodeName() }); |
| } |
| if (offset < 0 || offset > getLength()) { |
| throw createDOMException(DOMException.INDEX_SIZE_ERR, |
| "offset", |
| new Object[] { new Integer(offset) }); |
| } |
| String v = getNodeValue(); |
| setNodeValue(v.substring(0, offset) + |
| arg + v.substring(offset, v.length())); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link |
| * org.w3c.dom.CharacterData#deleteData(int,int)}. |
| */ |
| public void deleteData(int offset, int count) throws DOMException { |
| if (isReadonly()) { |
| throw createDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, |
| "readonly.node", |
| new Object[] { new Integer(getNodeType()), |
| getNodeName() }); |
| } |
| checkOffsetCount(offset, count); |
| |
| String v = getNodeValue(); |
| setNodeValue(v.substring(0, offset) + |
| v.substring(Math.min(v.length(), offset + count), |
| v.length())); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link |
| * org.w3c.dom.CharacterData#replaceData(int,int,String)}. |
| */ |
| public void replaceData(int offset, int count, String arg) |
| throws DOMException { |
| if (isReadonly()) { |
| throw createDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, |
| "readonly.node", |
| new Object[] { new Integer(getNodeType()), |
| getNodeName() }); |
| } |
| checkOffsetCount(offset, count); |
| |
| String v = getNodeValue(); |
| setNodeValue(v.substring(0, offset) + |
| arg + |
| v.substring(Math.min(v.length(), offset + count), |
| v.length())); |
| } |
| |
| /** |
| * Checks the given offset and count validity. |
| */ |
| protected void checkOffsetCount(int offset, int count) |
| throws DOMException { |
| if (offset < 0 || offset >= getLength()) { |
| throw createDOMException(DOMException.INDEX_SIZE_ERR, |
| "offset", |
| new Object[] { new Integer(offset) }); |
| } |
| if (count < 0) { |
| throw createDOMException(DOMException.INDEX_SIZE_ERR, |
| "negative.count", |
| new Object[] { new Integer(count) }); |
| } |
| } |
| |
| /** |
| * Exports this node to the given document. |
| */ |
| protected Node export(Node n, AbstractDocument d) { |
| super.export(n, d); |
| AbstractCharacterData cd = (AbstractCharacterData)n; |
| cd.nodeValue = nodeValue; |
| return n; |
| } |
| |
| /** |
| * Deeply exports this node to the given document. |
| */ |
| protected Node deepExport(Node n, AbstractDocument d) { |
| super.deepExport(n, d); |
| AbstractCharacterData cd = (AbstractCharacterData)n; |
| cd.nodeValue = nodeValue; |
| return n; |
| } |
| |
| /** |
| * Copy the fields of the current node into the given node. |
| * @param n a node of the type of this. |
| */ |
| protected Node copyInto(Node n) { |
| super.copyInto(n); |
| AbstractCharacterData cd = (AbstractCharacterData)n; |
| cd.nodeValue = nodeValue; |
| return n; |
| } |
| |
| /** |
| * Deeply copy the fields of the current node into the given node. |
| * @param n a node of the type of this. |
| */ |
| protected Node deepCopyInto(Node n) { |
| super.deepCopyInto(n); |
| AbstractCharacterData cd = (AbstractCharacterData)n; |
| cd.nodeValue = nodeValue; |
| return n; |
| } |
| } |