PageRange.java revision fd90651cfcc7e2b75254666fd6861038b72fb4ac
14b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov/* 24b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * Copyright (C) 2013 The Android Open Source Project 34b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * 44b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * Licensed under the Apache License, Version 2.0 (the "License"); 54b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * you may not use this file except in compliance with the License. 64b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * You may obtain a copy of the License at 74b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * 84b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * http://www.apache.org/licenses/LICENSE-2.0 94b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * 104b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * Unless required by applicable law or agreed to in writing, software 114b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * distributed under the License is distributed on an "AS IS" BASIS, 124b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 134b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * See the License for the specific language governing permissions and 144b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * limitations under the License. 154b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov */ 164b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov 174b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganovpackage android.print; 184b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov 194b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganovimport android.os.Parcel; 204b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganovimport android.os.Parcelable; 214b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov 224b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov/** 234b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * Represents a range of pages. The start and end page indices of 24fd90651cfcc7e2b75254666fd6861038b72fb4acSvetoslav * the range are zero based and inclusive. 254b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov */ 264b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganovpublic final class PageRange implements Parcelable { 274b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov 284b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov /** 294b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * Constant for specifying all pages. 304b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov */ 314b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov public static final PageRange ALL_PAGES = new PageRange(0, Integer.MAX_VALUE); 324b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov 334b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov private final int mStart; 344b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov private final int mEnd; 354b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov 364b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov /** 374b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * Creates a new instance. 384b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * 394b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * @param start The start page index (zero based and inclusive). 404b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * @param end The end page index (zero based and inclusive). 414b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * 424b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * @throws IllegalArgumentException If start is less than zero. 434b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * @throws IllegalArgumentException If end is less than zero. 444b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * @throws IllegalArgumentException If start greater than end. 454b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov */ 464b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov PageRange(int start, int end) { 474b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov if (start < 0) { 484b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov throw new IllegalArgumentException("start cannot be less than zero."); 494b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov } 504b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov if (end < 0) { 514b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov throw new IllegalArgumentException("end cannot be less than zero."); 524b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov } 534b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov if (start > end) { 544b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov throw new IllegalArgumentException("start must be lesser than end."); 554b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov } 564b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov mStart = start; 574b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov mEnd = end; 584b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov } 594b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov 604b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov private PageRange (Parcel parcel) { 614b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov this(parcel.readInt(), parcel.readInt()); 624b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov } 634b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov 644b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov /** 654b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * Gets the start page index (zero based and inclusive). 664b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * 674b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * @return The start page index. 684b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov */ 694b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov public int getStart() { 704b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov return mStart; 714b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov } 724b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov 734b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov /** 744b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * Gets the end page index (zero based and inclusive). 754b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * 764b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov * @return The end page index. 774b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov */ 784b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov public int getEnd() { 794b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov return mEnd; 804b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov } 814b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov 824b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov @Override 834b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov public int describeContents() { 844b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov return 0; 854b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov } 864b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov 874b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov @Override 884b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov public void writeToParcel(Parcel parcel, int flags) { 894b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov parcel.writeInt(mStart); 904b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov parcel.writeInt(mEnd); 914b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov } 924b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov 934b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov @Override 944b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov public String toString() { 954b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov if (this == ALL_PAGES) { 964b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov return "PageRange[<all pages>]"; 974b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov } 984b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov StringBuilder builder = new StringBuilder(); 994b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov builder.append("PageRange[") 1004b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov .append(mStart) 1014b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov .append(" - ") 1024b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov .append(mEnd) 1034b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov .append("]"); 1044b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov return builder.toString(); 1054b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov } 1064b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov 1074b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov public static final Parcelable.Creator<PageRange> CREATOR = 1084b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov new Creator<PageRange>() { 1094b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov @Override 1104b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov public PageRange createFromParcel(Parcel parcel) { 1114b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov return new PageRange(parcel); 1124b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov } 1134b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov 1144b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov @Override 1154b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov public PageRange[] newArray(int size) { 1164b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov return new PageRange[size]; 1174b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov } 1184b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov }; 1194b9a4d16872bbb50712e007b419ac0b35ff1582dSvetoslav Ganov} 120