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*/ |
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/* |
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******************************************************************************* |
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* (C) Copyright IBM Corp. 1996-2005 - All Rights Reserved * |
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* * |
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* The original version of this source code and documentation is copyrighted * |
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* and owned by IBM, These materials are provided under terms of a License * |
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* Agreement between IBM and Sun. This technology is protected by multiple * |
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* US and International patents. This notice and attribution to IBM may not * |
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* to removed. * |
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******************************************************************************* |
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*/ |
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package sun.text.normalizer; |
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import java.text.CharacterIterator; |
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/** |
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* This class is a wrapper around CharacterIterator and implements the |
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* UCharacterIterator protocol |
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* @author ram |
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*/ |
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public class CharacterIteratorWrapper extends UCharacterIterator { |
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private CharacterIterator iterator; |
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public CharacterIteratorWrapper(CharacterIterator iter){ |
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if(iter==null){ |
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throw new IllegalArgumentException(); |
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} |
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iterator = iter; |
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} |
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*/ |
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public int current() { |
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int c = iterator.current(); |
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if(c==CharacterIterator.DONE){ |
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return DONE; |
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} |
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return c; |
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} |
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*/ |
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public int getLength() { |
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return (iterator.getEndIndex() - iterator.getBeginIndex()); |
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} |
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*/ |
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public int getIndex() { |
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return iterator.getIndex(); |
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} |
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*/ |
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public int next() { |
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int i = iterator.current(); |
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iterator.next(); |
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if(i==CharacterIterator.DONE){ |
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return DONE; |
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} |
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return i; |
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} |
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*/ |
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public int previous() { |
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int i = iterator.previous(); |
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if(i==CharacterIterator.DONE){ |
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return DONE; |
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} |
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return i; |
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} |
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*/ |
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public void setIndex(int index) { |
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iterator.setIndex(index); |
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} |
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//// for StringPrep |
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*/ |
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public int getText(char[] fillIn, int offset){ |
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int length =iterator.getEndIndex() - iterator.getBeginIndex(); |
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int currentIndex = iterator.getIndex(); |
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if(offset < 0 || offset + length > fillIn.length){ |
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throw new IndexOutOfBoundsException(Integer.toString(length)); |
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} |
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for (char ch = iterator.first(); ch != CharacterIterator.DONE; ch = iterator.next()) { |
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fillIn[offset++] = ch; |
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} |
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iterator.setIndex(currentIndex); |
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return length; |
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} |
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*/ |
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public Object clone(){ |
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try { |
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CharacterIteratorWrapper result = (CharacterIteratorWrapper) super.clone(); |
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result.iterator = (CharacterIterator)this.iterator.clone(); |
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return result; |
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} catch (CloneNotSupportedException e) { |
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return null; |
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} |
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} |
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} |