ParserFactory.java revision 04ce81113107d2bfa0b8248b13145b4cf24cb943
1/*
2 * Copyright (C) 2011 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.layoutlib.bridge.impl;
18
19
20import org.kxml2.io.KXmlParser;
21import org.xmlpull.v1.XmlPullParser;
22import org.xmlpull.v1.XmlPullParserException;
23
24import java.io.File;
25import java.io.FileInputStream;
26import java.io.FileNotFoundException;
27import java.io.InputStream;
28
29/**
30 * A factory for {@link XmlPullParser}.
31 *
32 */
33public class ParserFactory {
34
35    private final static String ENCODING = "UTF-8"; //$NON-NLS-1$
36
37    public final static boolean LOG_PARSER = false;
38
39    public static XmlPullParser create(File f)
40            throws XmlPullParserException, FileNotFoundException {
41        KXmlParser parser = instantiateParser(f.getName());
42        parser.setInput(new FileInputStream(f), ENCODING);
43        return parser;
44    }
45
46    public static XmlPullParser create(InputStream stream, String name)
47            throws XmlPullParserException {
48        KXmlParser parser = instantiateParser(name);
49        parser.setInput(stream, ENCODING);
50        return parser;
51    }
52
53    private static KXmlParser instantiateParser(String name) throws XmlPullParserException {
54        KXmlParser parser;
55        if (name != null) {
56            parser = new CustomParser(name);
57        } else {
58            parser = new KXmlParser();
59        }
60        parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
61        return parser;
62    }
63
64    private static class CustomParser extends KXmlParser {
65        private final String mName;
66
67        CustomParser(String name) {
68            super();
69            mName = name;
70        }
71
72        @Override
73        public String toString() {
74            return mName;
75        }
76    }
77}
78