content: /*
   * Copyright (C) 2013 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.android.server.firewall;
  
  import org.xmlpull.v1.XmlPullParser;
  import org.xmlpull.v1.XmlPullParserException;
  
  import java.io.IOException;
  
  public abstract class FilterFactory {
      private final String mTag;
  
      protected FilterFactory(String tag) {
          if (tag == null) {
              throw new NullPointerException();
          }
          mTag = tag;
      }
  
      public String getTagName() {
          return mTag;
      }
  
      public abstract Filter newFilter(XmlPullParser parser)
              throws IOException, XmlPullParserException;
  }
  