/* * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * *   - Redistributions of source code must retain the above copyright *     notice, this list of conditions and the following disclaimer. * *   - Redistributions in binary form must reproduce the above copyright *     notice, this list of conditions and the following disclaimer in the *     documentation and/or other materials provided with the distribution. * *   - Neither the name of Sun Microsystems nor the names of its *     contributors may be used to endorse or promote products derived *     from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ import java.util.*;import java.text.*;import java.io.*;public class BreakIteratorDemo  {   static void extractWords(String target, BreakIterator wordIterator) {      wordIterator.setText(target);      int start = wordIterator.first();      int end = wordIterator.next();      while (end != BreakIterator.DONE) {         String word = target.substring(start,end);         if (Character.isLetterOrDigit(word.charAt(0))) {            System.out.println(word);         }         start = end;         end = wordIterator.next();      }   }    static void reverseWords(String target, BreakIterator wordIterator) {      wordIterator.setText(target);      int end = wordIterator.last();      int start = wordIterator.previous();      while (start != BreakIterator.DONE) {         String word = target.substring(start,end);         if (Character.isLetterOrDigit(word.charAt(0)))            System.out.println(word);         end = start;         start = wordIterator.previous();      }   }    static void markBoundaries(String target, BreakIterator iterator) {      StringBuffer markers = new StringBuffer();      markers.setLength(target.length() + 1);      for (int k = 0; k < markers.length(); k++) {         markers.setCharAt(k,' ');      }      iterator.setText(target);      int boundary = iterator.first();      while (boundary != BreakIterator.DONE) {         markers.setCharAt(boundary,'^');         boundary = iterator.next();      }      System.out.println(target);      System.out.println(markers);   }    static void formatLines(String target, int maxLength,                            Locale currentLocale) {      BreakIterator boundary = BreakIterator.getLineInstance(currentLocale);      boundary.setText(target);      int start = boundary.first();      int end = boundary.next();      int lineLength = 0;      while (end != BreakIterator.DONE) {         String word = target.substring(start,end);         lineLength = lineLength + word.length();         if (lineLength >= maxLength) {            System.out.println();            lineLength = word.length();         }         System.out.print(word);         start = end;         end = boundary.next();      }   }    static void listPositions(String target, BreakIterator iterator) {      iterator.setText(target);      int boundary = iterator.first();      while (boundary != BreakIterator.DONE) {         System.out.println (boundary);         boundary = iterator.next();      }   }    static void characterExamples() {      BreakIterator arCharIterator =         BreakIterator.getCharacterInstance(new Locale ("ar","SA"));      // Arabic word for "house"      String house = "\u0628" + "\u064e" + "\u064a" +                      "\u0652" + "\u067a" + "\u064f";      listPositions (house,arCharIterator);   }   static void wordExamples() {      Locale currentLocale = new Locale ("en","US");      BreakIterator wordIterator =          BreakIterator.getWordInstance(currentLocale);      String someText = "She stopped.  " +                        "She said, \"Hello there,\" and then went on.";      markBoundaries(someText, wordIterator);      System.out.println();      extractWords(someText, wordIterator);   }   static void sentenceExamples() {      Locale currentLocale = new Locale ("en","US");      BreakIterator sentenceIterator =          BreakIterator.getSentenceInstance(currentLocale);      String someText = "She stopped.  " +                        "She said, \"Hello there,\" and then went on.";      markBoundaries(someText, sentenceIterator);      String variousText = "He's vanished!  " +                           "What will we do?  It's up to us.";      markBoundaries(variousText, sentenceIterator);      String decimalText = "Please add 1.5 liters to the tank.";      markBoundaries(decimalText, sentenceIterator);      String  donneText = "\"No man is an island . . . " +                          "every man . . . \"";      markBoundaries(donneText, sentenceIterator);      String dogText = "My friend, Mr. Jones, has a new dog.  " +                       "The dog's name is Spot.";      markBoundaries(dogText, sentenceIterator);   }   static void lineExamples() {      Locale currentLocale = new Locale ("en","US");      BreakIterator lineIterator =         BreakIterator.getLineInstance(currentLocale);      String someText = "She stopped.  " +                        "She said, \"Hello there,\" and then went on.";      markBoundaries(someText, lineIterator);      String hardHyphen = "There are twenty-four hours in a day.";      markBoundaries(hardHyphen, lineIterator);      System.out.println();      String moreText = "She said, \"Hello there,\" and then " +                        "went on down the street.  When she stopped " +                        "to look at the fur coats in a shop window, " +                        "her dog growled.  \"Sorry Jake,\" she said. " +                        " \"I didn't know you would take it personally.\"";      formatLines(moreText, 30, currentLocale);      System.out.println();   }   static public void main(String[] args) {      characterExamples();      System.out.println();      wordExamples();      System.out.println();      sentenceExamples();      System.out.println();      lineExamples();   }} // class