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 17 package androidx.appcompat.mms; 18 19 import org.xmlpull.v1.XmlPullParser; 20 import org.xmlpull.v1.XmlPullParserException; 21 22 import java.io.IOException; 23 24 /** 25 * XML parser for carrier config (i.e. mms_config) 26 */ 27 class CarrierConfigXmlParser extends MmsXmlResourceParser { 28 interface KeyValueProcessor { process(String type, String key, String value)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 CarrierConfigXmlParser(final XmlPullParser parser, final KeyValueProcessor keyValueProcessor)36 CarrierConfigXmlParser(final XmlPullParser parser, final KeyValueProcessor keyValueProcessor) { 37 super(parser); 38 mKeyValueProcessor = keyValueProcessor; 39 } 40 41 // Parse one key/value 42 @Override parseRecord()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 getRootTag()64 protected String getRootTag() { 65 return TAG_MMS_CONFIG; 66 } 67 68 } 69