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: package org.netbeans.tax;
042:
043: /**
044: * Immutable representation of <code>qName</code>.
045: *
046: * @author Libor Kramolis
047: * @version 0.1
048: */
049: public final class TreeName {
050:
051: /**
052: * The treeName prefix. For example, the prefix for the treeName "a:foo"
053: * is "a".
054: */
055: final private String prefix;
056:
057: /**
058: * The treeName name. For example, the name for the treeName "a:foo"
059: * is "foo".
060: */
061: final private String name;
062:
063: /**
064: * The treeName rawName. For example, the rawName for the treeName "a:foo"
065: * is "a:foo".
066: */
067: final private String rawName;
068:
069: //
070: // init
071: //
072:
073: /** Creates new TreeName.
074: * @throws InvalidArgumentException
075: */
076: public TreeName(String prefix, String name)
077: throws InvalidArgumentException {
078: checkPrefix(prefix);
079: checkName(name);
080:
081: this .prefix = prefix;
082: this .name = name;
083: this .rawName = getQualifiedName(prefix, name);
084: ;
085: }
086:
087: /** Creates new TreeName.
088: * @throws InvalidArgumentException
089: */
090: public TreeName(String rawName) throws InvalidArgumentException {
091: checkRawName(rawName);
092:
093: this .prefix = getPrefix(rawName);
094: this .name = getName(rawName);
095: this .rawName = rawName;
096: }
097:
098: // /** Creates new TreeName -- copy constructor. */
099: // public TreeName (TreeName name) {
100: // this.prefix = name.prefix;
101: // this.name = name.name;
102: // this.rawName = name.rawName;
103: // }
104:
105: //
106: // itself
107: //
108:
109: /**
110: */
111: private static String getPrefix(String rawName) {
112: int i = rawName.indexOf(":"); // NOI18N
113:
114: if (i < 0) {
115: return ""; // NOI18N
116: } else {
117: return rawName.substring(0, i);
118: }
119: }
120:
121: /**
122: */
123: private static String getName(String rawName) {
124: int i = rawName.indexOf(":"); // NOI18N
125:
126: if (i < 0) {
127: return rawName;
128: } else {
129: return rawName.substring(i + 1);
130: }
131: }
132:
133: /**
134: */
135: private static String getQualifiedName(String prefix, String name) {
136: if ("".equals(prefix)) { // NOI18N
137: return name;
138: } else {
139: return (prefix + ":" + name); // NOI18N
140: }
141:
142: }
143:
144: /**
145: */
146: public String getPrefix() {
147: return prefix;
148: }
149:
150: /**
151: */
152: private void checkPrefix(String prefix)
153: throws InvalidArgumentException {
154: if (prefix == null) {
155: throw createInvalidNullArgumentException();
156: }
157: }
158:
159: /**
160: */
161: public String getName() {
162: return name;
163: }
164:
165: /**
166: */
167: private void checkName(String name) throws InvalidArgumentException {
168: if (name == null) {
169: throw createInvalidNullArgumentException();
170: }
171: }
172:
173: /**
174: * Should not it be just getQName() ???
175: */
176: public String getQualifiedName() {
177: return rawName;
178: }
179:
180: /**
181: */
182: private void checkRawName(String rawName)
183: throws InvalidArgumentException {
184: if (rawName == null) {
185: throw createInvalidNullArgumentException();
186: }
187: }
188:
189: /**
190: */
191: private InvalidArgumentException createInvalidNullArgumentException() {
192: return new InvalidArgumentException(Util.THIS
193: .getString("EXC_invalid_null_value"),
194: new NullPointerException());
195: }
196:
197: /**
198: */
199: public boolean equals(Object obj) {
200: if (obj instanceof TreeName) {
201: return rawName.equals(((TreeName) obj).rawName);
202: }
203: return false;
204: }
205:
206: /**
207: */
208: public int hashCode() {
209: return rawName.hashCode();
210: }
211:
212: /**
213: */
214: public String toString() {
215: return rawName;
216: }
217:
218: }
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