330 lines
13 KiB
Java
330 lines
13 KiB
Java
/*
|
|
* 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 com.android.messaging.sms;
|
|
|
|
import android.content.ContentValues;
|
|
import android.provider.Telephony;
|
|
|
|
import com.android.messaging.util.Assert;
|
|
import com.android.messaging.util.LogUtil;
|
|
import com.android.messaging.util.PhoneUtils;
|
|
import com.google.common.collect.Maps;
|
|
|
|
import org.xmlpull.v1.XmlPullParser;
|
|
import org.xmlpull.v1.XmlPullParserException;
|
|
|
|
import java.io.IOException;
|
|
import java.util.Map;
|
|
|
|
/*
|
|
* XML processor for the following files:
|
|
* 1. res/xml/apns.xml
|
|
* 2. res/xml/mms_config.xml (or related overlay files)
|
|
*/
|
|
class ApnsXmlProcessor {
|
|
public interface ApnHandler {
|
|
public void process(ContentValues apnValues);
|
|
}
|
|
|
|
public interface MmsConfigHandler {
|
|
public void process(String mccMnc, String key, String value, String type);
|
|
}
|
|
|
|
private static final String TAG = LogUtil.BUGLE_TAG;
|
|
|
|
private static final Map<String, String> APN_ATTRIBUTE_MAP = Maps.newHashMap();
|
|
static {
|
|
APN_ATTRIBUTE_MAP.put("mcc", Telephony.Carriers.MCC);
|
|
APN_ATTRIBUTE_MAP.put("mnc", Telephony.Carriers.MNC);
|
|
APN_ATTRIBUTE_MAP.put("carrier", Telephony.Carriers.NAME);
|
|
APN_ATTRIBUTE_MAP.put("apn", Telephony.Carriers.APN);
|
|
APN_ATTRIBUTE_MAP.put("mmsc", Telephony.Carriers.MMSC);
|
|
APN_ATTRIBUTE_MAP.put("mmsproxy", Telephony.Carriers.MMSPROXY);
|
|
APN_ATTRIBUTE_MAP.put("mmsport", Telephony.Carriers.MMSPORT);
|
|
APN_ATTRIBUTE_MAP.put("type", Telephony.Carriers.TYPE);
|
|
APN_ATTRIBUTE_MAP.put("user", Telephony.Carriers.USER);
|
|
APN_ATTRIBUTE_MAP.put("password", Telephony.Carriers.PASSWORD);
|
|
APN_ATTRIBUTE_MAP.put("authtype", Telephony.Carriers.AUTH_TYPE);
|
|
APN_ATTRIBUTE_MAP.put("mvno_match_data", Telephony.Carriers.MVNO_MATCH_DATA);
|
|
APN_ATTRIBUTE_MAP.put("mvno_type", Telephony.Carriers.MVNO_TYPE);
|
|
APN_ATTRIBUTE_MAP.put("protocol", Telephony.Carriers.PROTOCOL);
|
|
APN_ATTRIBUTE_MAP.put("bearer", Telephony.Carriers.BEARER);
|
|
APN_ATTRIBUTE_MAP.put("server", Telephony.Carriers.SERVER);
|
|
APN_ATTRIBUTE_MAP.put("roaming_protocol", Telephony.Carriers.ROAMING_PROTOCOL);
|
|
APN_ATTRIBUTE_MAP.put("proxy", Telephony.Carriers.PROXY);
|
|
APN_ATTRIBUTE_MAP.put("port", Telephony.Carriers.PORT);
|
|
APN_ATTRIBUTE_MAP.put("carrier_enabled", Telephony.Carriers.CARRIER_ENABLED);
|
|
}
|
|
|
|
private static final String TAG_APNS = "apns";
|
|
private static final String TAG_APN = "apn";
|
|
private static final String TAG_MMS_CONFIG = "mms_config";
|
|
|
|
// Handler to process one apn
|
|
private ApnHandler mApnHandler;
|
|
// Handler to process one mms_config key/value pair
|
|
private MmsConfigHandler mMmsConfigHandler;
|
|
|
|
private final StringBuilder mLogStringBuilder = new StringBuilder();
|
|
|
|
private final XmlPullParser mInputParser;
|
|
|
|
private ApnsXmlProcessor(XmlPullParser parser) {
|
|
mInputParser = parser;
|
|
mApnHandler = null;
|
|
mMmsConfigHandler = null;
|
|
}
|
|
|
|
public static ApnsXmlProcessor get(XmlPullParser parser) {
|
|
Assert.notNull(parser);
|
|
return new ApnsXmlProcessor(parser);
|
|
}
|
|
|
|
public ApnsXmlProcessor setApnHandler(ApnHandler handler) {
|
|
mApnHandler = handler;
|
|
return this;
|
|
}
|
|
|
|
public ApnsXmlProcessor setMmsConfigHandler(MmsConfigHandler handler) {
|
|
mMmsConfigHandler = handler;
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Move XML parser forward to next event type or the end of doc
|
|
*
|
|
* @param eventType
|
|
* @return The final event type we meet
|
|
* @throws XmlPullParserException
|
|
* @throws IOException
|
|
*/
|
|
private int advanceToNextEvent(int eventType) throws XmlPullParserException, IOException {
|
|
for (;;) {
|
|
int nextEvent = mInputParser.next();
|
|
if (nextEvent == eventType
|
|
|| nextEvent == XmlPullParser.END_DOCUMENT) {
|
|
return nextEvent;
|
|
}
|
|
}
|
|
}
|
|
|
|
public void process() {
|
|
try {
|
|
// Find the first element
|
|
if (advanceToNextEvent(XmlPullParser.START_TAG) != XmlPullParser.START_TAG) {
|
|
throw new XmlPullParserException("ApnsXmlProcessor: expecting start tag @"
|
|
+ xmlParserDebugContext());
|
|
}
|
|
// A single ContentValues object for holding the parsing result of
|
|
// an apn element
|
|
final ContentValues values = new ContentValues();
|
|
String tagName = mInputParser.getName();
|
|
// Top level tag can be "apns" (apns.xml)
|
|
// or "mms_config" (mms_config.xml)
|
|
if (TAG_APNS.equals(tagName)) {
|
|
// For "apns", there could be "apn" or both "apn" and "mms_config"
|
|
for (;;) {
|
|
if (advanceToNextEvent(XmlPullParser.START_TAG) != XmlPullParser.START_TAG) {
|
|
break;
|
|
}
|
|
tagName = mInputParser.getName();
|
|
if (TAG_APN.equals(tagName)) {
|
|
processApn(values);
|
|
} else if (TAG_MMS_CONFIG.equals(tagName)) {
|
|
processMmsConfig();
|
|
}
|
|
}
|
|
} else if (TAG_MMS_CONFIG.equals(tagName)) {
|
|
// mms_config.xml resource
|
|
processMmsConfig();
|
|
}
|
|
} catch (IOException e) {
|
|
LogUtil.e(TAG, "ApnsXmlProcessor: I/O failure " + e, e);
|
|
} catch (XmlPullParserException e) {
|
|
LogUtil.e(TAG, "ApnsXmlProcessor: parsing failure " + e, e);
|
|
}
|
|
}
|
|
|
|
private Integer parseInt(String text, Integer defaultValue, String logHint) {
|
|
Integer value = defaultValue;
|
|
try {
|
|
value = Integer.parseInt(text);
|
|
} catch (Exception e) {
|
|
LogUtil.e(TAG,
|
|
"Invalid value " + text + "for" + logHint + " @" + xmlParserDebugContext());
|
|
}
|
|
return value;
|
|
}
|
|
|
|
private Boolean parseBoolean(String text, Boolean defaultValue, String logHint) {
|
|
Boolean value = defaultValue;
|
|
try {
|
|
value = Boolean.parseBoolean(text);
|
|
} catch (Exception e) {
|
|
LogUtil.e(TAG,
|
|
"Invalid value " + text + "for" + logHint + " @" + xmlParserDebugContext());
|
|
}
|
|
return value;
|
|
}
|
|
|
|
private static String xmlParserEventString(int event) {
|
|
switch (event) {
|
|
case XmlPullParser.START_DOCUMENT: return "START_DOCUMENT";
|
|
case XmlPullParser.END_DOCUMENT: return "END_DOCUMENT";
|
|
case XmlPullParser.START_TAG: return "START_TAG";
|
|
case XmlPullParser.END_TAG: return "END_TAG";
|
|
case XmlPullParser.TEXT: return "TEXT";
|
|
}
|
|
return Integer.toString(event);
|
|
}
|
|
|
|
/**
|
|
* @return The debugging information of the parser's current position
|
|
*/
|
|
private String xmlParserDebugContext() {
|
|
mLogStringBuilder.setLength(0);
|
|
if (mInputParser != null) {
|
|
try {
|
|
final int eventType = mInputParser.getEventType();
|
|
mLogStringBuilder.append(xmlParserEventString(eventType));
|
|
if (eventType == XmlPullParser.START_TAG
|
|
|| eventType == XmlPullParser.END_TAG
|
|
|| eventType == XmlPullParser.TEXT) {
|
|
mLogStringBuilder.append('<').append(mInputParser.getName());
|
|
for (int i = 0; i < mInputParser.getAttributeCount(); i++) {
|
|
mLogStringBuilder.append(' ')
|
|
.append(mInputParser.getAttributeName(i))
|
|
.append('=')
|
|
.append(mInputParser.getAttributeValue(i));
|
|
}
|
|
mLogStringBuilder.append("/>");
|
|
}
|
|
return mLogStringBuilder.toString();
|
|
} catch (XmlPullParserException e) {
|
|
LogUtil.e(TAG, "xmlParserDebugContext: " + e, e);
|
|
}
|
|
}
|
|
return "Unknown";
|
|
}
|
|
|
|
/**
|
|
* Process one apn
|
|
*
|
|
* @param apnValues Where we store the parsed apn
|
|
* @throws IOException
|
|
* @throws XmlPullParserException
|
|
*/
|
|
private void processApn(ContentValues apnValues) throws IOException, XmlPullParserException {
|
|
Assert.notNull(apnValues);
|
|
apnValues.clear();
|
|
// Collect all the attributes
|
|
for (int i = 0; i < mInputParser.getAttributeCount(); i++) {
|
|
final String key = APN_ATTRIBUTE_MAP.get(mInputParser.getAttributeName(i));
|
|
if (key != null) {
|
|
apnValues.put(key, mInputParser.getAttributeValue(i));
|
|
}
|
|
}
|
|
// Set numeric to be canonicalized mcc/mnc like "310120", always 6 digits
|
|
final String canonicalMccMnc = PhoneUtils.canonicalizeMccMnc(
|
|
apnValues.getAsString(Telephony.Carriers.MCC),
|
|
apnValues.getAsString(Telephony.Carriers.MNC));
|
|
apnValues.put(Telephony.Carriers.NUMERIC, canonicalMccMnc);
|
|
// Some of the values should not be string type, converting them to desired types
|
|
final String authType = apnValues.getAsString(Telephony.Carriers.AUTH_TYPE);
|
|
if (authType != null) {
|
|
apnValues.put(Telephony.Carriers.AUTH_TYPE, parseInt(authType, -1, "apn authtype"));
|
|
}
|
|
final String carrierEnabled = apnValues.getAsString(Telephony.Carriers.CARRIER_ENABLED);
|
|
if (carrierEnabled != null) {
|
|
apnValues.put(Telephony.Carriers.CARRIER_ENABLED,
|
|
parseBoolean(carrierEnabled, null, "apn carrierEnabled"));
|
|
}
|
|
final String bearer = apnValues.getAsString(Telephony.Carriers.BEARER);
|
|
if (bearer != null) {
|
|
apnValues.put(Telephony.Carriers.BEARER, parseInt(bearer, 0, "apn bearer"));
|
|
}
|
|
// We are at the end tag
|
|
if (mInputParser.next() != XmlPullParser.END_TAG) {
|
|
throw new XmlPullParserException("Apn: expecting end tag @"
|
|
+ xmlParserDebugContext());
|
|
}
|
|
// We are done parsing one APN, call the handler
|
|
if (mApnHandler != null) {
|
|
mApnHandler.process(apnValues);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Process one mms_config.
|
|
*
|
|
* @throws IOException
|
|
* @throws XmlPullParserException
|
|
*/
|
|
private void processMmsConfig()
|
|
throws IOException, XmlPullParserException {
|
|
// Get the mcc and mnc attributes
|
|
final String canonicalMccMnc = PhoneUtils.canonicalizeMccMnc(
|
|
mInputParser.getAttributeValue(null, "mcc"),
|
|
mInputParser.getAttributeValue(null, "mnc"));
|
|
// We are at the start tag
|
|
for (;;) {
|
|
int nextEvent;
|
|
// Skipping spaces
|
|
while ((nextEvent = mInputParser.next()) == XmlPullParser.TEXT) {
|
|
}
|
|
if (nextEvent == XmlPullParser.START_TAG) {
|
|
// Parse one mms config key/value
|
|
processMmsConfigKeyValue(canonicalMccMnc);
|
|
} else if (nextEvent == XmlPullParser.END_TAG) {
|
|
break;
|
|
} else {
|
|
throw new XmlPullParserException("MmsConfig: expecting start or end tag @"
|
|
+ xmlParserDebugContext());
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Process one mms_config key/value pair
|
|
*
|
|
* @param mccMnc The mcc and mnc of this mms_config
|
|
* @throws IOException
|
|
* @throws XmlPullParserException
|
|
*/
|
|
private void processMmsConfigKeyValue(String mccMnc)
|
|
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("ApnsXmlProcessor: expecting end tag @"
|
|
+ xmlParserDebugContext());
|
|
}
|
|
// We are done parsing one mms_config key/value, call the handler
|
|
if (mMmsConfigHandler != null) {
|
|
mMmsConfigHandler.process(mccMnc, key, value, type);
|
|
}
|
|
}
|
|
}
|