Initial checkin of AOSP Messaging app.

b/23110861

Change-Id: I9aa980d7569247d6b2ca78f5dcb4502e1eaadb8a

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

@@ -0,0 +1,73 @@
+/*
+ * 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 android.content.ContentValues;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.IOException;
+
+/**
+ * Parser for built-in XML resource file for APN list
+ */
+class ApnsXmlParser extends MmsXmlResourceParser {
+    interface ApnProcessor {
+        void process(ContentValues apnValues);
+    }
+
+    private static final String TAG_APNS = "apns";
+    private static final String TAG_APN = "apn";
+
+    private final ApnProcessor mApnProcessor;
+
+    private final ContentValues mValues = new ContentValues();
+
+    ApnsXmlParser(final XmlPullParser parser, final ApnProcessor apnProcessor) {
+        super(parser);
+        mApnProcessor = apnProcessor;
+    }
+
+    // Parse one APN
+    @Override
+    protected void parseRecord() throws IOException, XmlPullParserException {
+        if (TAG_APN.equals(mInputParser.getName())) {
+            mValues.clear();
+            // Collect all the attributes
+            for (int i = 0; i < mInputParser.getAttributeCount(); i++) {
+                final String key = mInputParser.getAttributeName(i);
+                if (key != null) {
+                    mValues.put(key, mInputParser.getAttributeValue(i));
+                }
+            }
+            // We are done parsing one APN, call the handler
+            if (mApnProcessor != null) {
+                mApnProcessor.process(mValues);
+            }
+        }
+        // We are at the end tag
+        if (mInputParser.next() != XmlPullParser.END_TAG) {
+            throw new XmlPullParserException("Expecting end tag @" + xmlParserDebugContext());
+        }
+    }
+
+    @Override
+    protected String getRootTag() {
+        return TAG_APNS;
+    }
+}