Initial checkin of AOSP Messaging app.

b/23110861

Change-Id: I11db999bd10656801e618f78ab2b2ef74136fff1

src/android/support/v7/mms/CarrierConfigXmlParser.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2015 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 android.support.v7.mms;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.IOException;
+
+/**
+ * XML parser for carrier config (i.e. mms_config)
+ */
+class CarrierConfigXmlParser extends MmsXmlResourceParser {
+    interface KeyValueProcessor {
+        void process(String type, String key, String value);
+    }
+
+    private static final String TAG_MMS_CONFIG = "mms_config";
+
+    private final KeyValueProcessor mKeyValueProcessor;
+
+    CarrierConfigXmlParser(final XmlPullParser parser, final KeyValueProcessor keyValueProcessor) {
+        super(parser);
+        mKeyValueProcessor = keyValueProcessor;
+    }
+
+    // Parse one key/value
+    @Override
+    protected void parseRecord() throws IOException, XmlPullParserException {
+        final String key = mInputParser.getAttributeValue(null, "name");
+        // We are at the start tag, the name of the tag is the type
+        // e.g. <int name="key">value</int>
+        final String type = mInputParser.getName();
+        int nextEvent = mInputParser.next();
+        String value = null;
+        if (nextEvent == XmlPullParser.TEXT) {
+            value = mInputParser.getText();
+            nextEvent = mInputParser.next();
+        }
+        if (nextEvent != XmlPullParser.END_TAG) {
+            throw new XmlPullParserException("Expecting end tag @" + xmlParserDebugContext());
+        }
+        // We are done parsing one mms_config key/value, call the handler
+        if (mKeyValueProcessor != null) {
+            mKeyValueProcessor.process(type, key, value);
+        }
+    }
+
+    @Override
+    protected String getRootTag() {
+        return TAG_MMS_CONFIG;
+    }
+
+}