001: /*
002: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003: *
004: * This file is part of Resin(R) Open Source
005: *
006: * Each copy or derived work must preserve the copyright notice and this
007: * notice unmodified.
008: *
009: * Resin Open Source is free software; you can redistribute it and/or modify
010: * it under the terms of the GNU General Public License as published by
011: * the Free Software Foundation; either version 2 of the License, or
012: * (at your option) any later version.
013: *
014: * Resin Open Source is distributed in the hope that it will be useful,
015: * but WITHOUT ANY WARRANTY; without even the implied warranty of
016: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017: * of NON-INFRINGEMENT. See the GNU General Public License for more
018: * details.
019: *
020: * You should have received a copy of the GNU General Public License
021: * along with Resin Open Source; if not, write to the
022: * Free SoftwareFoundation, Inc.
023: * 59 Temple Place, Suite 330
024: * Boston, MA 02111-1307 USA
025: *
026: * @author Scott Ferguson
027: */
028:
029: package com.caucho.xml;
030:
031: import org.w3c.dom.CharacterData;
032: import org.w3c.dom.DOMException;
033:
034: import java.io.IOException;
035:
036: abstract class QCharacterData extends QAbstractNode implements
037: CharacterData {
038: protected String _data;
039: protected boolean _whitespaceOnly;
040:
041: /**
042: * Creates new character data with initial data.
043: */
044: QCharacterData() {
045: }
046:
047: /**
048: * Creates new character data with initial data.
049: */
050: QCharacterData(String data) {
051: _data = data;
052: }
053:
054: /**
055: * Returns the node value. For QCharacterData, this is the text value.
056: */
057: public String getNodeValue() {
058: return _data;
059: }
060:
061: /**
062: * Sets the node value. For QCharacterData, this is the text value.
063: */
064: public void setNodeValue(String data) {
065: _data = data;
066: }
067:
068: /**
069: * Returns the node value. For QCharacterData, this is the text value.
070: */
071: public String getData() {
072: return _data;
073: }
074:
075: /**
076: * Sets the node value. For QCharacterData, this is the text value.
077: */
078: public void setData(String data) {
079: _data = data;
080: }
081:
082: /**
083: * Returns the length of the text data.
084: */
085: public int getLength() {
086: return _data.length();
087: }
088:
089: public String substringData(int start, int count)
090: throws DOMException {
091: if (start + count >= _data.length())
092: return _data.substring(start);
093: else
094: return _data.substring(start, start + count);
095: }
096:
097: public String substringData(int start) throws DOMException {
098: return _data.substring(start);
099: }
100:
101: public void appendData(String arg) throws DOMException {
102: _data = _data + arg;
103: }
104:
105: public void insertData(int offset, String arg) throws DOMException {
106: _data = _data.substring(0, offset) + arg
107: + _data.substring(offset);
108: }
109:
110: public void deleteData(int offset, int count) throws DOMException {
111: if (_data.length() <= offset + count)
112: _data = _data.substring(0, offset);
113: else
114: _data = _data.substring(0, offset)
115: + _data.substring(offset + count);
116: }
117:
118: public void deleteData(int offset) throws DOMException {
119: _data = _data.substring(0, offset);
120: }
121:
122: public void replaceData(int offset, int count, String arg)
123: throws DOMException {
124: if (_data.length() <= offset + count)
125: _data = _data.substring(0, offset) + arg;
126: else
127: _data = _data.substring(0, offset) + arg
128: + _data.substring(offset + count);
129: }
130:
131: public boolean hasContent() {
132: for (int i = 0; i < _data.length(); i++)
133: if (!Character.isWhitespace(_data.charAt(i)))
134: return true;
135:
136: return false;
137: }
138:
139: public boolean isElementContentWhitespace() {
140: for (int i = 0; i < _data.length(); i++)
141: if (!Character.isWhitespace(_data.charAt(i)))
142: return false;
143:
144: return true;
145: }
146:
147: public void print(XmlPrinter os) throws IOException {
148: os.text(getData());
149: }
150: }
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