/edu/uncc/parsets/gui/VersionCheck.java

https://code.google.com/p/parsets/ · Java · 128 lines · 86 code · 14 blank · 28 comment · 8 complexity · f9ba17159c7aa005a68fb6820c52d719 MD5 · raw file 

    

  1. package edu.uncc.parsets.gui;
    2. 

  2. 

  3. import java.awt.Desktop;
    4. 

  4. import java.awt.Dimension;
    5. 

  5. import java.io.BufferedReader;
    6. 

  6. import java.io.IOException;
    7. 

  7. import java.io.InputStream;
    8. 

  8. import java.io.InputStreamReader;
    9. 

  9. import java.net.URI;
    10. 

  10. import java.net.URL;
    11. 

  11. 

  12. import javax.swing.Box;
    13. 

  13. import javax.swing.BoxLayout;
    14. 

  14. import javax.swing.JFrame;
    15. 

  15. import javax.swing.JLabel;
    16. 

  16. import javax.swing.JOptionPane;
    17. 

  17. import javax.swing.JScrollPane;
    18. 

  18. import javax.swing.JTextPane;
    19. 

  19. 

  20. import org.json.simple.JSONArray;
    21. 

  21. import org.json.simple.JSONObject;
    22. 

  22. import org.json.simple.parser.JSONParser;
    23. 

  23. 

  24. import edu.uncc.parsets.ParallelSets;
    25. 

  25. import edu.uncc.parsets.util.PSLogging;
    26. 

  26. import edu.uncc.parsets.util.osabstraction.AbstractOS;
    27. 

  27. 

  28. /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
    29. 

  29.  * Copyright (c) 2009, Robert Kosara, Caroline Ziemkiewicz,
    30. 

  30.  *                     and others (see Authors.txt for full list)
    31. 

  31.  * All rights reserved.
    32. 

  32.  * 
    33. 

  33.  * Redistribution and use in source and binary forms, with or without
    34. 

  34.  * modification, are permitted provided that the following conditions are met:
    35. 

  35.  * 
    36. 

  36.  *    * Redistributions of source code must retain the above copyright
    37. 

  37.  *      notice, this list of conditions and the following disclaimer.
    38. 

  38.  *    * Redistributions in binary form must reproduce the above copyright
    39. 

  39.  *      notice, this list of conditions and the following disclaimer in the
    40. 

  40.  *      documentation and/or other materials provided with the distribution.
    41. 

  41.  *    * Neither the name of UNC Charlotte nor the names of its contributors
    42. 

  42.  *      may be used to endorse or promote products derived from this software
    43. 

  43.  *      without specific prior written permission.
    44. 

  44.  *      
    45. 

  45.  * THIS SOFTWARE IS PROVIDED BY ITS AUTHORS ''AS IS'' AND ANY
    46. 

  46.  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    47. 

  47.  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    48. 

  48.  * DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
    49. 

  49.  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    50. 

  50.  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
    51. 

  51.  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    52. 

  52.  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    53. 

  53.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
    54. 

  54.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    55. 

  55. \* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
    56. 

  56. 

  57. public class VersionCheck extends Thread {
    58. 

  58. 

  59. 	private static final String VERSIONURL = "http://data.eagereyes.org/parsets/version.php?current="+ParallelSets.VERSION+"&os=";
    60. 

  60. 	
    61. 

  61. 	private static final String MESSAGE1 = "A new version of this program is available:";
    62. 

  62. 	
    63. 

  63. 	private static final String MESSAGE2 = "<html><b>Do you want to upgrade?</b></html>";
    64. 

  64. 	
    65. 

  65. 	private static final String TITLE = "New Version!";
    66. 

  66. 	
    67. 

  67. 	private JFrame frame;
    68. 

  68. 	
    69. 

  69. 	public VersionCheck(JFrame f) {
    70. 

  70. 		frame = f;
    71. 

  71. 		setDaemon(true);
    72. 

  72. 	}
    73. 

  73. 	
    74. 

  74. 	@Override
    75. 

  75. 	public void run() {
    76. 

  76. 		BufferedReader reader = null;
    77. 

  77. 		try {
    78. 

  78. 			URL url = new URL(VERSIONURL+AbstractOS.getCurrentOS().shortName());
    79. 

  79. 			InputStream stream = url.openStream();
    80. 

  80. 

  81. 			reader = new BufferedReader(new InputStreamReader(stream));
    82. 

  82. 			JSONParser p = new JSONParser();
    83. 

  83. 			JSONObject versionInfo = (JSONObject) p.parse(reader);
    84. 

  84. 			String latestVersion = (String) versionInfo.get("latest");
    85. 

  85. 			String versionParts[] = latestVersion.split("\\.");
    86. 

  86. 			int majorVersion = Integer.parseInt(versionParts[0]);
    87. 

  87. 			int minorVersion = Integer.parseInt(versionParts[1]);
    88. 

  88. 			if (majorVersion > ParallelSets.MAJOR_VERSION ||
    89. 

  89. 				(majorVersion == ParallelSets.MAJOR_VERSION && minorVersion > ParallelSets.MINOR_VERSION)) {
    90. 

  90. 				JSONArray versions = (JSONArray) versionInfo.get("versions");
    91. 

  91. 				StringBuilder versionsHTML = new StringBuilder("<html>");
    92. 

  92. 				for (Object v : versions) {
    93. 

  93. 					JSONObject version = (JSONObject) v;
    94. 

  94. 					versionsHTML.append("<p><b>Version ");
    95. 

  95. 					versionsHTML.append(version.get("version")+"</b> (released ");
    96. 

  96. 					versionsHTML.append(version.get("release_date")+")</p>");
    97. 

  97. 					versionsHTML.append(version.get("notes"));
    98. 

  98. 				}
    99. 

  99. 				versionsHTML.append("</html>");
    100. 

  100. 				JTextPane textPane = new JTextPane();
    101. 

  101. 				textPane.setContentType("text/html");
    102. 

  102. 				textPane.setText(versionsHTML.toString());
    103. 

  103. 				textPane.setEditable(false);
    104. 

  104. 				Box b = new Box(BoxLayout.Y_AXIS);
    105. 

  105. 				b.add(new JLabel(MESSAGE1));
    106. 

  106. 				b.add(Box.createVerticalStrut(5));
    107. 

  107. 				JScrollPane scrollPane = new JScrollPane(textPane);
    108. 

  108. 				scrollPane.setPreferredSize(new Dimension(300, 300));
    109. 

  109. 				b.add(scrollPane);
    110. 

  110. 				b.add(new JLabel(MESSAGE2));
    111. 

  111. 				int response = JOptionPane.showConfirmDialog(frame, b, TITLE, JOptionPane.YES_NO_OPTION, JOptionPane.INFORMATION_MESSAGE);
    112. 

  112. 				if (response == 0)
    113. 

  113. 					Desktop.getDesktop().browse(new URI(ParallelSets.WEBSITE));
    114. 

  114. 			}
    115. 

  115. 		} catch (RuntimeException e) { // to make FindBugs happy
    116. 

  116. 			PSLogging.logger.info("Could not check for new version.", e);
    117. 

  117. 		} catch (Exception e) {
    118. 

  118. 			PSLogging.logger.info("Could not check for new version.", e);
    119. 

  119. 		} finally {
    120. 

  120. 			if (reader != null)
    121. 

  121. 				try {
    122. 

  122. 					reader.close();
    123. 

  123. 				} catch (IOException e) {
    124. 

  124. 					PSLogging.logger.warn("Error closing stream.", e);
    125. 

  125. 				}
    126. 

  126. 		}
    127. 

  127. 	}
    128. 

  128. }
    129.