content: /*
         Licensed to the Apache Software Foundation (ASF) under one
         or more contributor license agreements.  See the NOTICE file
         distributed with this work for additional information
         regarding copyright ownership.  The ASF licenses this file
         to you 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 org.apache.cordova;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.Locale;
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  import org.xmlpull.v1.XmlPullParser;
  import org.xmlpull.v1.XmlPullParserException;
  
  import android.content.Context;
  
  public class ConfigXmlParser {
      private static String TAG = "ConfigXmlParser";
  
      private String launchUrl = "file:///android_asset/www/index.html";
      private CordovaPreferences prefs = new CordovaPreferences();
      private ArrayList<PluginEntry> pluginEntries = new ArrayList<PluginEntry>(20);
  
      public CordovaPreferences getPreferences() {
          return prefs;
      }
  
      public ArrayList<PluginEntry> getPluginEntries() {
          return pluginEntries;
      }
  
      public String getLaunchUrl() {
          return launchUrl;
      }
  
      public void parse(Context action) {
          // First checking the class namespace for config.xml
          int id = action.getResources().getIdentifier("config", "xml", action.getClass().getPackage().getName());
          if (id == 0) {
              // If we couldn't find config.xml there, we'll look in the namespace from AndroidManifest.xml
              id = action.getResources().getIdentifier("config", "xml", action.getPackageName());
              if (id == 0) {
                  LOG.e(TAG, "res/xml/config.xml is missing!");
                  return;
              }
          }
          parse(action.getResources().getXml(id));
      }
  
      boolean insideFeature = false;
      String service = "", pluginClass = "", paramType = "";
      boolean onload = false;
  
      public void parse(XmlPullParser xml) {
          int eventType = -1;
  
          while (eventType != XmlPullParser.END_DOCUMENT) {
              if (eventType == XmlPullParser.START_TAG) {
                  handleStartTag(xml);
              }
              else if (eventType == XmlPullParser.END_TAG)
              {
                  handleEndTag(xml);
              }
              try {
                  eventType = xml.next();
              } catch (XmlPullParserException e) {
                  e.printStackTrace();
              } catch (IOException e) {
                  e.printStackTrace();
              }
          }
      }
  
      public void handleStartTag(XmlPullParser xml) {
          String strNode = xml.getName();
          if (strNode.equals("feature")) {
              //Check for supported feature sets  aka. plugins (Accelerometer, Geolocation, etc)
              //Set the bit for reading params
              insideFeature = true;
              service = xml.getAttributeValue(null, "name");
          }
          else if (insideFeature && strNode.equals("param")) {
              paramType = xml.getAttributeValue(null, "name");
              if (paramType.equals("service")) // check if it is using the older service param
                  service = xml.getAttributeValue(null, "value");
              else if (paramType.equals("package") || paramType.equals("android-package"))
                  pluginClass = xml.getAttributeValue(null,"value");
              else if (paramType.equals("onload"))
                  onload = "true".equals(xml.getAttributeValue(null, "value"));
          }
          else if (strNode.equals("preference")) {
              String name = xml.getAttributeValue(null, "name").toLowerCase(Locale.ENGLISH);
              String value = xml.getAttributeValue(null, "value");
              prefs.set(name, value);
          }
          else if (strNode.equals("content")) {
              String src = xml.getAttributeValue(null, "src");
              if (src != null) {
                  setStartUrl(src);
              }
          }
      }
  
      public void handleEndTag(XmlPullParser xml) {
          String strNode = xml.getName();
          if (strNode.equals("feature")) {
              pluginEntries.add(new PluginEntry(service, pluginClass, onload));
  
              service = "";
              pluginClass = "";
              insideFeature = false;
              onload = false;
          }
      }
  
      private void setStartUrl(String src) {
          Pattern schemeRegex = Pattern.compile("^[a-z-]+://");
          Matcher matcher = schemeRegex.matcher(src);
          if (matcher.find()) {
              launchUrl = src;
          } else {
              if (src.charAt(0) == '/') {
                  src = src.substring(1);
              }
              launchUrl = "file:///android_asset/www/" + src;
          }
      }
  }
  