1/*
2 * Copyright (C) 2015 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 android.support.v7.mms;
18
19import org.xmlpull.v1.XmlPullParser;
20import org.xmlpull.v1.XmlPullParserException;
21
22import java.io.IOException;
23
24/**
25 * XML parser for carrier config (i.e. mms_config)
26 */
27class CarrierConfigXmlParser extends MmsXmlResourceParser {
28    interface KeyValueProcessor {
29        void process(String type, String key, String value);
30    }
31
32    private static final String TAG_MMS_CONFIG = "mms_config";
33
34    private final KeyValueProcessor mKeyValueProcessor;
35
36    CarrierConfigXmlParser(final XmlPullParser parser, final KeyValueProcessor keyValueProcessor) {
37        super(parser);
38        mKeyValueProcessor = keyValueProcessor;
39    }
40
41    // Parse one key/value
42    @Override
43    protected void parseRecord() throws IOException, XmlPullParserException {
44        final String key = mInputParser.getAttributeValue(null, "name");
45        // We are at the start tag, the name of the tag is the type
46        // e.g. <int name="key">value</int>
47        final String type = mInputParser.getName();
48        int nextEvent = mInputParser.next();
49        String value = null;
50        if (nextEvent == XmlPullParser.TEXT) {
51            value = mInputParser.getText();
52            nextEvent = mInputParser.next();
53        }
54        if (nextEvent != XmlPullParser.END_TAG) {
55            throw new XmlPullParserException("Expecting end tag @" + xmlParserDebugContext());
56        }
57        // We are done parsing one mms_config key/value, call the handler
58        if (mKeyValueProcessor != null) {
59            mKeyValueProcessor.process(type, key, value);
60        }
61    }
62
63    @Override
64    protected String getRootTag() {
65        return TAG_MMS_CONFIG;
66    }
67
68}
69