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 17package com.android.server.firewall; 18 19import org.xmlpull.v1.XmlPullParser; 20import org.xmlpull.v1.XmlPullParserException; 21 22import java.io.IOException; 23 24public abstract class FilterFactory { 25 private final String mTag; 26 27 protected FilterFactory(String tag) { 28 if (tag == null) { 29 throw new NullPointerException(); 30 } 31 mTag = tag; 32 } 33 34 public String getTagName() { 35 return mTag; 36 } 37 38 public abstract Filter newFilter(XmlPullParser parser) 39 throws IOException, XmlPullParserException; 40} 41