Android Open Source - ironcontrol-for-android Logger List Array Adapter

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License

The source code is released under:
Apache License
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Java Source Code

/*
 * #%L/*from w w  w  .j  a  v a2  s . c  o m*/
 * =====================================================
 *   _____                _     ____  _   _       _   _
 *  |_   _|_ __ _   _ ___| |_  / __ \| | | | ___ | | | |
 *    | | | '__| | | / __| __|/ / _` | |_| |/ __|| |_| |
 *    | | | |  | |_| \__ \ |_| | (_| |  _  |\__ \|  _  |
 *    |_| |_|   \__,_|___/\__|\ \__,_|_| |_||___/|_| |_|
 *                             \____/
 * 
 * =====================================================
 * 
 * Hochschule Hannover
 * (University of Applied Sciences and Arts, Hannover)
 * Faculty IV, Dept. of Computer Science
 * Ricklinger Stadtweg 118, 30459 Hannover, Germany
 * 
 * Email: trust@f4-i.fh-hannover.de
 * Website: http://trust.f4.hs-hannover.de/
 * 
 * This file is part of ironcontrol for android, version 1.0.1, implemented by the Trust@HsH research group at the Hochschule Hannover.
 * %%
 * Copyright (C) 2013 Trust@HsH
 * %%
 * 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.
 * #L%
 */
package de.hshannover.f4.trust.ironcontrol.view.logger;

import java.text.SimpleDateFormat;
import java.util.List;
import java.util.Locale;

import android.annotation.SuppressLint;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;
import de.hshannover.f4.trust.ironcontrol.R;
import de.hshannover.f4.trust.ironcontrol.logger.Level;
import de.hshannover.f4.trust.ironcontrol.logger.LogData;

public class LoggerListArrayAdapter extends ArrayAdapter<LogData> {

  private static class ViewHolder {
    public TextView tvName, tvDate, tvTime, tvMessage;
  }

  public LoggerListArrayAdapter(Context context, List<LogData> objects) {
    super(context, R.layout.list_view, objects);
  }

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    // For a faster build
    View rowView = convertView;
    if (rowView == null) {
      LayoutInflater inflator = LayoutInflater.from(getContext());
      rowView = inflator.inflate(R.layout.logger_list_row, null);
      ViewHolder viewHolder = new ViewHolder();
      viewHolder.tvName = (TextView) rowView.findViewById(R.id.name);
      viewHolder.tvDate = (TextView) rowView.findViewById(R.id.date);
      viewHolder.tvTime = (TextView) rowView.findViewById(R.id.time);
      viewHolder.tvMessage = (TextView) rowView.findViewById(R.id.message);
      rowView.setTag(viewHolder);
    }
    // Index for a inverted list
    int index = getCount() -1 -position;
    ViewHolder holder = (ViewHolder) rowView.getTag();

    setText(holder, index);
    setColor(holder, getItem(index).getLevel());
    return rowView;
  }

  private void setText(ViewHolder vh, int index) {
    vh.tvName.setText(getItem(index).getName());
    vh.tvDate.setText(getDate(getItem(index).getTime()));
    vh.tvTime.setText(getTime(getItem(index).getTime()));
    vh.tvMessage.setText(getItem(index).getMessage().toString());
  }

  @SuppressLint("ResourceAsColor")
  private void setColor(ViewHolder vh, Level l){
    switch(l){
    case ERROR:  setTextColor(vh.tvMessage, R.color.Red);
    break;
    case FATAL:  setTextColor(vh.tvMessage, R.color.DarkRed);
    break;
    case DEBUG:  setTextColor(vh.tvMessage, R.color.RoyalBlue);
    break;
    case WARN:  setTextColor(vh.tvMessage, R.color.Orange);
    break;
    case TOAST:
    case INFO:  setTextColor(vh.tvMessage, R.color.Green);
    break;
    default:  setTextColor(vh.tvMessage, R.color.White);
    break;
    }
  }

  private String getDate(long time){
    SimpleDateFormat dateFormat = new SimpleDateFormat("d.MM", Locale.GERMANY);
    return dateFormat.format(time);
  }

  private String getTime(long time){
    SimpleDateFormat timeFormat = new SimpleDateFormat("HH:mm:ss", Locale.GERMANY);
    return timeFormat.format(time);
  }

  private void setTextColor(TextView view, int colorRes){
    view.setTextColor(getContext().getResources().getColor(colorRes));
  }
}
Java Source Code List
