Android Open Source - Quiz Xml Data Loader

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License

The source code is released under:

GNU General Public License

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Java Source Code

/*
 * Copyright (c) 2014, Maciej Laskowski. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *//from www.  j a v a2s  .com
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  
 * 
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact mlaskowsk@gmail.com if you need additional information
 * or have any questions.
 */
package com.mlaskows.quiz.model;

import java.io.InputStream;
import java.lang.reflect.Field;
import java.util.Locale;

import org.simpleframework.xml.Serializer;
import org.simpleframework.xml.core.Persister;

import android.content.Context;
import android.content.res.Resources;

import com.mlaskows.quiz.R;
import com.mlaskows.quiz.model.entity.Quiz;

/**
 * 
 * @author Maciej Laskowski
 *
 */
public class XmlDataLoader {

    /** Application context. */
  private Context context;
  
  public XmlDataLoader(Context context) {
    this.context = context;
  }

  /**
   * Loads XML with quiz and returns {@link Quiz} object.
   * 
   * @return quiz object
   * @throws Exception
   *             when deserialization fails
   */
  public Quiz loadXml() throws Exception {
    Resources resources = context.getResources();
    String languageCode = getLanguageCode(resources);
    // Get XML name using reflection
    Field field = null;
    String prefix = context.getString(R.string.xml_prefix);
    try {
      field = R.raw.class.getField(prefix + languageCode);
    } catch (NoSuchFieldException e) {
      // If there is no language available use default
      field = R.raw.class.getField(prefix + context.getString(R.string.default_language));
    }
    // Create InputSream from XML resource
    InputStream source = resources.openRawResource(field.getInt(null));
    // Parse XML
    Serializer serializer = new Persister();
    return serializer.read(Quiz.class, source);
  }

  private String getLanguageCode(Resources resources) {
    Locale locale = resources.getConfiguration().locale;
    String code = locale.getLanguage();
    return code;
  }
  
}

Java Source Code List