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package com.android.internal.telephony.gsm;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import android.os.Environment;
import android.util.Log;
import android.util.Xml;
import com.android.internal.util.XmlUtils;
public class SpnOverride {
private HashMap<String, String> CarrierSpnMap;
static final String LOG_TAG = "GSM";
static final String PARTNER_SPN_OVERRIDE_PATH ="etc/spn-conf.xml";
SpnOverride () {
CarrierSpnMap = new HashMap<String, String>();
loadSpnOverrides();
}
boolean containsCarrier(String carrier) {
return CarrierSpnMap.containsKey(carrier);
}
String getSpn(String carrier) {
return CarrierSpnMap.get(carrier);
}
private void loadSpnOverrides() {
FileReader spnReader;
final File spnFile = new File(Environment.getRootDirectory(),
PARTNER_SPN_OVERRIDE_PATH);
try {
spnReader = new FileReader(spnFile);
} catch (FileNotFoundException e) {
Log.w(LOG_TAG, "Can't open " +
Environment.getRootDirectory() + "/" + PARTNER_SPN_OVERRIDE_PATH);
return;
}
try {
XmlPullParser parser = Xml.newPullParser();
parser.setInput(spnReader);
XmlUtils.beginDocument(parser, "spnOverrides");
while (true) {
XmlUtils.nextElement(parser);
String name = parser.getName();
if (!"spnOverride".equals(name)) {
break;
}
String numeric = parser.getAttributeValue(null, "numeric");
String data = parser.getAttributeValue(null, "spn");
CarrierSpnMap.put(numeric, data);
}
} catch (XmlPullParserException e) {
Log.w(LOG_TAG, "Exception in spn-conf parser " + e);
} catch (IOException e) {
Log.w(LOG_TAG, "Exception in spn-conf parser " + e);
}
}
}
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