001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.modules.xml.xdm.nodes;
043:
044: /**
045: *
046: * @author Ajit Bhate
047: */
048: public class Token {
049:
050: Token(String val, TokenType type) {
051: value = val;
052: this .type = type;
053: }
054:
055: public String getValue() {
056: return value;
057: }
058:
059: public TokenType getType() {
060: return type;
061: }
062:
063: @Override
064: public int hashCode() {
065: return getValue().hashCode();
066: }
067:
068: @Override
069: public boolean equals(Object obj) {
070: if (!(obj instanceof Token))
071: return false;
072: Token token = (Token) obj;
073: return ((token.getValue().equals(getValue())) && (token
074: .getType().equals(getType())));
075: }
076:
077: @Override
078: public String toString() {
079: return getType() + " '" + value + "'";
080: }
081:
082: public static Token create(String value, TokenType type) {
083: Token t = null;
084: switch (type) {
085: case TOKEN_ATTR_EQUAL: {
086: t = EQUALS_TOKEN;
087: break;
088: }
089: case TOKEN_ELEMENT_END_TAG: {
090: t = value.length() == 1 ? CLOSE_ELEMENT
091: : SELF_CLOSE_ELEMENT;
092: break;
093: }
094: case TOKEN_WHITESPACE: {
095: if (value.equals(" ")) {
096: t = WHITESPACE_TOKEN;
097: break;
098: }
099: }
100: default: {
101: t = new Token(value.intern(), type);
102: }
103: }
104: assert t != null;
105: return t;
106: }
107:
108: private static final Token EQUALS_TOKEN = new Token("=",
109: TokenType.TOKEN_ATTR_EQUAL); //NOI18N
110:
111: private static final Token WHITESPACE_TOKEN = new Token(" ",
112: TokenType.TOKEN_WHITESPACE);
113:
114: private static final Token CLOSE_ELEMENT = new Token(">",
115: TokenType.TOKEN_ELEMENT_END_TAG); //NOI18N
116:
117: private static final Token SELF_CLOSE_ELEMENT = new Token("/>",
118: TokenType.TOKEN_ELEMENT_END_TAG); //NOI18N
119:
120: public static final Token CDATA_START = new Token("<![CDATA[",
121: TokenType.TOKEN_CDATA_VAL); //NOI18N
122:
123: public static final Token CDATA_END = new Token("]]>",
124: TokenType.TOKEN_CDATA_VAL); //NOI18N
125:
126: public static final Token COMMENT_START = new Token("<!--",
127: TokenType.TOKEN_COMMENT); //NOI18N
128:
129: public static final Token COMMENT_END = new Token("-->",
130: TokenType.TOKEN_COMMENT); //NOI18N
131:
132: private final String value;
133: private final TokenType type;
134: //private static Map<String, Token> tokenPool = new HashMap<String, Token>();
135: }
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