Android example source code file (SpnOverride.java)

This example Android source code file (SpnOverride.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, can't, carrierspnmap, exception, filenotfoundexception, filereader, gsm, hashmap, io, ioexception, log_tag, os, partner_spn_override_path, spnoverride, string, util, utilities, utils, xmlpullparser, xmlpullparserexception

The SpnOverride.java Android example source code

/*
 * Copyright (C) 2009 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.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);
        }
    }

}