FilterFactory.java revision 9158825f9c41869689d6b1786d7c7aa8bdd524ce 
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