1 /* 2 * Copyright (C) 2013 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.android.server.firewall; 18 19 import android.content.ComponentName; 20 import android.content.Intent; 21 import org.xmlpull.v1.XmlPullParser; 22 import org.xmlpull.v1.XmlPullParserException; 23 24 import java.io.IOException; 25 import java.util.Set; 26 27 class CategoryFilter implements Filter { 28 private static final String ATTR_NAME = "name"; 29 30 private final String mCategoryName; 31 32 private CategoryFilter(String categoryName) { 33 mCategoryName = categoryName; 34 } 35 36 @Override 37 public boolean matches(IntentFirewall ifw, ComponentName resolvedComponent, Intent intent, 38 int callerUid, int callerPid, String resolvedType, int receivingUid) { 39 Set<String> categories = intent.getCategories(); 40 if (categories == null) { 41 return false; 42 } 43 return categories.contains(mCategoryName); 44 } 45 46 public static final FilterFactory FACTORY = new FilterFactory("category") { 47 @Override 48 public Filter newFilter(XmlPullParser parser) 49 throws IOException, XmlPullParserException { 50 String categoryName = parser.getAttributeValue(null, ATTR_NAME); 51 if (categoryName == null) { 52 throw new XmlPullParserException("Category name must be specified.", 53 parser, null); 54 } 55 return new CategoryFilter(categoryName); 56 } 57 }; 58 } 59
