Source Code Cross Referenced for StringMaker.java in  » Portal » liferay-portal-4.4.2 » com » liferay » portal » kernel » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » liferay portal 4.4.2 » com.liferay.portal.kernel.util 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
003:         *
004:         * Permission is hereby granted, free of charge, to any person obtaining a copy
005:         * of this software and associated documentation files (the "Software"), to deal
006:         * in the Software without restriction, including without limitation the rights
007:         * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
008:         * copies of the Software, and to permit persons to whom the Software is
009:         * furnished to do so, subject to the following conditions:
010:         *
011:         * The above copyright notice and this permission notice shall be included in
012:         * all copies or substantial portions of the Software.
013:         *
014:         * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
015:         * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
016:         * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
017:         * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
018:         * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
019:         * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
020:         * SOFTWARE.
021:         */package com.liferay.portal.kernel.util;
022:
023:        /**
024:         * <a href="StringMaker.java.html"><b><i>View Source</i></b></a>
025:         *
026:         * @author Harry Mark
027:         *
028:         */
029:        public class StringMaker {
030:
031:            static boolean collect = false;
032:
033:            static {
034:                String collectString = System.getProperty(MakerStats.class
035:                        .getName());
036:
037:                if (collectString != null) {
038:                    if (collectString.equals("true")) {
039:                        collect = true;
040:                    }
041:                }
042:            }
043:
044:            static MakerStats stats = null;
045:
046:            static {
047:                if (collect) {
048:                    stats = new MakerStats(StringMaker.class.toString());
049:                }
050:            }
051:
052:            static int defaultInitSize = 128;
053:
054:            static {
055:                String defaultInitSizeString = System
056:                        .getProperty(StringMaker.class.getName()
057:                                + ".initial.size");
058:
059:                if (defaultInitSizeString != null) {
060:                    try {
061:                        defaultInitSize = Integer
062:                                .parseInt(defaultInitSizeString);
063:                    } catch (Exception e) {
064:                        e.printStackTrace();
065:                    }
066:                }
067:            }
068:
069:            public static MakerStats getStatistics() {
070:                return stats;
071:            }
072:
073:            public StringMaker() {
074:                _sb = new StringBuffer(defaultInitSize);
075:
076:                if (collect) {
077:                    _getInfo(new Throwable());
078:                }
079:            }
080:
081:            public StringMaker(int capacity) throws NegativeArraySizeException {
082:                _sb = new StringBuffer(capacity);
083:
084:                if (collect) {
085:                    _getInfo(new Throwable());
086:                }
087:            }
088:
089:            public StringMaker(String s) throws NullPointerException {
090:                if (s == null) {
091:                    throw new NullPointerException();
092:                }
093:
094:                _sb = new StringBuffer(s.length() + defaultInitSize);
095:
096:                if (collect) {
097:                    _getInfo(new Throwable());
098:                }
099:
100:                _sb.append(s);
101:            }
102:
103:            public StringMaker(StringBuffer sb) throws NullPointerException {
104:                if (sb == null) {
105:                    _sb = new StringBuffer(defaultInitSize);
106:                } else {
107:                    _sb = sb;
108:                }
109:
110:                if (collect) {
111:                    _getInfo(new Throwable());
112:                }
113:            }
114:
115:            public StringMaker append(Object obj) {
116:                _sb.append(obj);
117:
118:                return this ;
119:            }
120:
121:            public StringMaker append(String s) {
122:                _sb.append(s);
123:
124:                return this ;
125:            }
126:
127:            public StringMaker append(StringBuffer sb) {
128:                sb.append(sb);
129:
130:                return this ;
131:            }
132:
133:            public StringMaker append(boolean b) {
134:                _sb.append(b);
135:
136:                return this ;
137:            }
138:
139:            public StringMaker append(char c) {
140:                _sb.append(c);
141:
142:                return this ;
143:            }
144:
145:            public StringMaker append(char[] array) {
146:                _sb.append(array);
147:
148:                return this ;
149:            }
150:
151:            public StringMaker append(char[] array, int offset, int len) {
152:                _sb.append(array, offset, len);
153:
154:                return this ;
155:            }
156:
157:            public StringMaker append(double d) {
158:                _sb.append(d);
159:
160:                return this ;
161:            }
162:
163:            public StringMaker append(float f) {
164:                _sb.append(f);
165:
166:                return this ;
167:            }
168:
169:            public StringMaker append(int i) {
170:                _sb.append(i);
171:
172:                return this ;
173:            }
174:
175:            public StringMaker append(long l) {
176:                _sb.append(l);
177:
178:                return this ;
179:            }
180:
181:            public int capacity() {
182:                return _sb.capacity();
183:            }
184:
185:            public char charAt(int index) {
186:                return _sb.charAt(index);
187:            }
188:
189:            public StringMaker delete(int start, int end) {
190:                _sb.delete(start, end);
191:
192:                return this ;
193:            }
194:
195:            public StringMaker deleteCharAt(int index) {
196:                _sb.deleteCharAt(index);
197:
198:                return this ;
199:            }
200:
201:            public void ensureCapacity(int minimumCapacity) {
202:                _sb.ensureCapacity(minimumCapacity);
203:            }
204:
205:            public void getChars(int srcBegin, int srcEnd, char[] dst,
206:                    int dstBegin) {
207:                _sb.getChars(srcBegin, srcEnd, dst, dstBegin);
208:            }
209:
210:            public StringBuffer getStringBuffer() {
211:                return _sb;
212:            }
213:
214:            public int indexOf(String s) {
215:                return _sb.indexOf(s);
216:            }
217:
218:            public int indexOf(String s, int fromIndex) {
219:                return _sb.indexOf(s, fromIndex);
220:            }
221:
222:            public StringMaker insert(int offset, boolean b) {
223:                _sb.insert(offset, b);
224:
225:                return this ;
226:            }
227:
228:            public StringMaker insert(int offset, double d) {
229:                _sb.insert(offset, d);
230:
231:                return this ;
232:            }
233:
234:            public StringMaker insert(int offset, float f) {
235:                _sb.insert(offset, f);
236:
237:                return this ;
238:            }
239:
240:            public StringMaker insert(int offset, int i) {
241:                _sb.insert(offset, i);
242:
243:                return this ;
244:            }
245:
246:            public StringMaker insert(int offset, long l) {
247:                _sb.insert(offset, l);
248:
249:                return this ;
250:            }
251:
252:            public StringMaker insert(int index, char[] array, int offset,
253:                    int len) {
254:                _sb.insert(index, array, offset, len);
255:
256:                return this ;
257:            }
258:
259:            public StringMaker insert(int offset, Object obj) {
260:                _sb.insert(offset, obj);
261:
262:                return this ;
263:            }
264:
265:            public StringMaker insert(int offset, String s) {
266:                _sb.insert(offset, s);
267:
268:                return this ;
269:            }
270:
271:            public StringMaker insert(int offset, char c) {
272:                _sb.insert(offset, c);
273:
274:                return this ;
275:            }
276:
277:            public StringMaker insert(int offset, char[] array) {
278:                _sb.insert(offset, array);
279:
280:                return this ;
281:            }
282:
283:            public int lastIndexOf(String s) {
284:                return _sb.lastIndexOf(s);
285:            }
286:
287:            public int lastIndexOf(String s, int fromIndex) {
288:                return _sb.lastIndexOf(s, fromIndex);
289:            }
290:
291:            public int length() {
292:                return _sb.length();
293:            }
294:
295:            public StringMaker replace(int start, int end, String s) {
296:                _sb.replace(start, end, s);
297:
298:                return this ;
299:            }
300:
301:            public StringMaker reverse() {
302:                _sb.reverse();
303:
304:                return this ;
305:            }
306:
307:            public void setCharAt(int index, char ch) {
308:                _sb.setCharAt(index, ch);
309:            }
310:
311:            public void setLength(int len) {
312:                _sb.setLength(len);
313:            }
314:
315:            public String substring(int start) {
316:                return _sb.substring(start);
317:            }
318:
319:            public String substring(int start, int end) {
320:                return _sb.substring(start, end);
321:            }
322:
323:            public String toString() {
324:                if (collect) {
325:                    stats.add(_caller, _initSize, _sb.length());
326:                }
327:
328:                return _sb.toString();
329:            }
330:
331:            private void _getInfo(Throwable t) {
332:                _initSize = _sb.capacity();
333:
334:                StackTraceElement[] elements = t.getStackTrace();
335:
336:                if (elements.length > 1) {
337:                    StackTraceElement el = elements[1];
338:
339:                    _caller = el.getClassName() + StringPool.PERIOD
340:                            + el.getMethodName() + StringPool.COLON
341:                            + el.getLineNumber();
342:                }
343:            }
344:
345:            private StringBuffer _sb;
346:            private int _initSize;
347:            private String _caller;
348:
349:        }
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