1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.cooliris.media; 18 19 import java.util.ConcurrentModificationException; 20 import java.util.Iterator; 21 22 public class IndexRangeIterator<E> implements Iterator<E> { 23 private final E[] mList; 24 private IndexRange mRange; 25 private int mPos; 26 IndexRangeIterator(E[] list)27 public IndexRangeIterator(E[] list) { 28 super(); 29 mList = list; 30 mRange = new IndexRange(); 31 mPos = mRange.begin - 1; 32 } 33 rewind()34 public void rewind() { 35 mPos = mRange.begin - 1; 36 } 37 setRange(int begin, int end)38 public void setRange(int begin, int end) { 39 mRange.begin = begin; 40 mRange.end = end; 41 mPos = begin - 1; 42 } 43 getBegin()44 public int getBegin() { 45 return mRange.begin; 46 } 47 getEnd()48 public int getEnd() { 49 return mRange.end; 50 } 51 hasNext()52 public boolean hasNext() { 53 int pos = mPos + 1; 54 return (pos < mList.length && pos < mRange.end); 55 } 56 getCurrentPosition()57 public int getCurrentPosition() { 58 return mPos; 59 } 60 next()61 public E next() { 62 // TODO Auto-generated method stub 63 int pos = mPos + 1; 64 ++mPos; 65 return mList[pos]; 66 } 67 remove()68 public void remove() { 69 // TODO Auto-generated method stub 70 throw new ConcurrentModificationException(); 71 } 72 73 } 74