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/*
 *******************************************************************************
 * (C) Copyright IBM Corp. 1996-2005 - All Rights Reserved                     *
 *                                                                             *
 * The original version of this source code and documentation is copyrighted   *
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 */

package jdk.internal.icu.impl;

import java.text.CharacterIterator;

import jdk.internal.icu.text.UCharacterIterator;

This class is a wrapper around CharacterIterator and implements the UCharacterIterator protocol
Author:ram
/** * This class is a wrapper around CharacterIterator and implements the * UCharacterIterator protocol * @author ram */
public class CharacterIteratorWrapper extends UCharacterIterator { private CharacterIterator iterator; public CharacterIteratorWrapper(CharacterIterator iter){ if(iter==null){ throw new IllegalArgumentException(); } iterator = iter; }
See Also:
  • current.current()
/** * @see UCharacterIterator#current() */
public int current() { int c = iterator.current(); if(c==CharacterIterator.DONE){ return DONE; } return c; }
See Also:
  • getLength.getLength()
/** * @see UCharacterIterator#getLength() */
public int getLength() { return (iterator.getEndIndex() - iterator.getBeginIndex()); }
See Also:
  • getIndex.getIndex()
/** * @see UCharacterIterator#getIndex() */
public int getIndex() { return iterator.getIndex(); }
See Also:
  • next.next()
/** * @see UCharacterIterator#next() */
public int next() { int i = iterator.current(); iterator.next(); if(i==CharacterIterator.DONE){ return DONE; } return i; }
See Also:
  • previous.previous()
/** * @see UCharacterIterator#previous() */
public int previous() { int i = iterator.previous(); if(i==CharacterIterator.DONE){ return DONE; } return i; }
See Also:
  • setIndex.setIndex(int)
/** * @see UCharacterIterator#setIndex(int) */
public void setIndex(int index) { iterator.setIndex(index); }
See Also:
  • getText.getText(char[])
/** * @see UCharacterIterator#getText(char[]) */
public int getText(char[] fillIn, int offset){ int length =iterator.getEndIndex() - iterator.getBeginIndex(); int currentIndex = iterator.getIndex(); if(offset < 0 || offset + length > fillIn.length){ throw new IndexOutOfBoundsException(Integer.toString(length)); } for (char ch = iterator.first(); ch != CharacterIterator.DONE; ch = iterator.next()) { fillIn[offset++] = ch; } iterator.setIndex(currentIndex); return length; }
Creates a clone of this iterator. Clones the underlying character iterator.
See Also:
  • clone.clone()
/** * Creates a clone of this iterator. Clones the underlying character iterator. * @see UCharacterIterator#clone() */
public Object clone(){ try { CharacterIteratorWrapper result = (CharacterIteratorWrapper) super.clone(); result.iterator = (CharacterIterator)this.iterator.clone(); return result; } catch (CloneNotSupportedException e) { return null; // only invoked if bad underlying character iterator } } }