1 /* 2 * Copyright (C) 2008 Esmertec AG. 3 * Copyright (C) 2008 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package com.android.mms.model; 18 19 import java.util.ArrayList; 20 21 import android.content.ContentResolver; 22 23 import com.google.android.mms.ContentType; 24 import com.android.mms.ContentRestrictionException; 25 import com.android.mms.ExceedMessageSizeException; 26 import com.android.mms.MmsConfig; 27 import com.android.mms.ResolutionException; 28 import com.android.mms.UnsupportContentTypeException; 29 30 public class CarrierContentRestriction implements ContentRestriction { 31 private static final ArrayList<String> sSupportedImageTypes; 32 private static final ArrayList<String> sSupportedAudioTypes; 33 private static final ArrayList<String> sSupportedVideoTypes; 34 35 static { 36 sSupportedImageTypes = ContentType.getImageTypes(); 37 sSupportedAudioTypes = ContentType.getAudioTypes(); 38 sSupportedVideoTypes = ContentType.getVideoTypes(); 39 } 40 41 public CarrierContentRestriction() { 42 } 43 44 public void checkMessageSize(int messageSize, int increaseSize, ContentResolver resolver) 45 throws ContentRestrictionException { 46 if ( (messageSize < 0) || (increaseSize < 0) ) { 47 throw new ContentRestrictionException("Negative message size" 48 + " or increase size"); 49 } 50 int newSize = messageSize + increaseSize; 51 52 if ( (newSize < 0) || (newSize > MmsConfig.getMaxMessageSize()) ) { 53 throw new ExceedMessageSizeException("Exceed message size limitation"); 54 } 55 } 56 57 public void checkResolution(int width, int height) throws ContentRestrictionException { 58 if ( (width > MmsConfig.getMaxImageWidth()) || (height > MmsConfig.getMaxImageHeight()) ) { 59 throw new ResolutionException("content resolution exceeds restriction."); 60 } 61 } 62 63 public void checkImageContentType(String contentType) 64 throws ContentRestrictionException { 65 if (null == contentType) { 66 throw new ContentRestrictionException("Null content type to be check"); 67 } 68 69 if (!sSupportedImageTypes.contains(contentType)) { 70 throw new UnsupportContentTypeException("Unsupported image content type : " 71 + contentType); 72 } 73 } 74 75 public void checkAudioContentType(String contentType) 76 throws ContentRestrictionException { 77 if (null == contentType) { 78 throw new ContentRestrictionException("Null content type to be check"); 79 } 80 81 if (!sSupportedAudioTypes.contains(contentType)) { 82 throw new UnsupportContentTypeException("Unsupported audio content type : " 83 + contentType); 84 } 85 } 86 87 public void checkVideoContentType(String contentType) 88 throws ContentRestrictionException { 89 if (null == contentType) { 90 throw new ContentRestrictionException("Null content type to be check"); 91 } 92 93 if (!sSupportedVideoTypes.contains(contentType)) { 94 throw new UnsupportContentTypeException("Unsupported video content type : " 95 + contentType); 96 } 97 } 98 } 99
