svn-gvsig-desktop / tags / v1_0_2_Build_896 / applications / appgvSIG / src / com / iver / cit / gvsig / gui / panels / BrowserControl.java @ 10391
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1 | 6117 | jaume | /*
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2 | * Created on 18-oct-2004
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3 | *
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4 | * TODO To change the template for this generated file go to
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5 | * Window - Preferences - Java - Code Generation - Code and Comments
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6 | */
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7 | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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8 | *
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9 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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10 | *
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11 | * This program is free software; you can redistribute it and/or
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12 | * modify it under the terms of the GNU General Public License
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13 | * as published by the Free Software Foundation; either version 2
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14 | * of the License, or (at your option) any later version.
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15 | *
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16 | * This program is distributed in the hope that it will be useful,
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17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 | * GNU General Public License for more details.
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20 | *
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21 | * You should have received a copy of the GNU General Public License
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22 | * along with this program; if not, write to the Free Software
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23 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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24 | *
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25 | * For more information, contact:
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26 | *
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27 | * Generalitat Valenciana
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28 | * Conselleria d'Infraestructures i Transport
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29 | * Av. Blasco Ib??ez, 50
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30 | * 46010 VALENCIA
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31 | * SPAIN
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32 | *
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33 | * +34 963862235
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34 | * gvsig@gva.es
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35 | * www.gvsig.gva.es
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36 | *
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37 | * or
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38 | *
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39 | * IVER T.I. S.A
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40 | * Salamanca 50
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41 | * 46005 Valencia
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42 | * Spain
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43 | *
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44 | * +34 963163400
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45 | * dac@iver.es
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46 | */
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47 | package com.iver.cit.gvsig.gui.panels; |
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48 | |||
49 | /**
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50 | * @author Steven Spencer
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51 | *
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52 | * TODO To change the template for this generated type comment go to
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53 | * Window - Preferences - Java - Code Generation - Code and Comments
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54 | */
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55 | import java.io.IOException; |
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56 | |||
57 | /**
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58 | * A simple, static class to display a URL in the system browser.
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59 | |||
60 | |||
61 | *
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62 | * Under Unix, the system browser is hard-coded to be 'netscape'.
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63 | * Netscape must be in your PATH for this to work. This has been
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64 | * tested with the following platforms: AIX, HP-UX and Solaris.
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65 | |||
66 | |||
67 | *
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68 | * Under Windows, this will bring up the default browser under windows,
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69 | * usually either Netscape or Microsoft IE. The default browser is
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70 | * determined by the OS. This has been tested under Windows 95/98/NT.
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71 | |||
72 | |||
73 | *
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74 | * Examples:
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75 | |||
76 | |||
77 | *
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78 | BrowserControl.displayURL("http://www.javaworld.com")
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79 | *
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80 | BrowserControl.displayURL("file://c:\\docs\\index.html")
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81 | *
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82 | BrowserContorl.displayURL("file:///user/joe/index.html");
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83 | *
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84 | |||
85 | * Note - you must include the url type -- either "http://" or
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86 | * "file://".
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87 | */
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88 | public class BrowserControl |
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89 | { |
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90 | /**
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91 | * Display a file in the system browser. If you want to display a
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92 | * file, you must include the absolute path name.
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93 | *
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94 | * @param url the file's url (the url must start with either "http://"
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95 | or
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96 | * "file://").
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97 | */
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98 | public static void displayURL(String url) |
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99 | { |
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100 | boolean windows = isWindowsPlatform();
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101 | String cmd = null; |
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102 | try
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103 | { |
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104 | if (windows)
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105 | { |
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106 | // cmd = 'rundll32 url.dll,FileProtocolHandler http://...'
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107 | cmd = WIN_PATH + " " + WIN_FLAG + " " + url; |
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108 | Process p = Runtime.getRuntime().exec(cmd); |
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109 | } |
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110 | else
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111 | { |
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112 | // Under Unix, Netscape has to be running for the "-remote"
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113 | // command to work. So, we try sending the command and
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114 | // check for an exit value. If the exit command is 0,
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115 | // it worked, otherwise we need to start the browser.
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116 | // cmd = 'netscape -remote openURL(http://www.javaworld.com)'
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117 | cmd = UNIX_PATH + " " + UNIX_FLAG + "(" + url + ")"; |
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118 | Process p = Runtime.getRuntime().exec(cmd); |
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119 | try
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120 | { |
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121 | // wait for exit code -- if it's 0, command worked,
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122 | // otherwise we need to start the browser up.
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123 | int exitCode = p.waitFor();
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124 | if (exitCode != 0) |
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125 | { |
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126 | // Command failed, start up the browser
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127 | // cmd = 'netscape http://www.javaworld.com'
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128 | cmd = UNIX_PATH + " " + url;
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129 | p = Runtime.getRuntime().exec(cmd);
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130 | } |
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131 | } |
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132 | catch(InterruptedException x) |
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133 | { |
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134 | System.err.println("Error bringing up browser, cmd='" + |
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135 | cmd + "'");
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136 | System.err.println("Caught: " + x); |
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137 | } |
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138 | } |
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139 | } |
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140 | catch(IOException x) |
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141 | { |
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142 | // couldn't exec browser
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143 | System.err.println("Could not invoke browser, command=" + cmd); |
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144 | System.err.println("Caught: " + x); |
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145 | } |
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146 | } |
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147 | /**
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148 | * Try to determine whether this application is running under Windows
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149 | * or some other platform by examing the "os.name" property.
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150 | *
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151 | * @return true if this application is running under a Windows OS
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152 | */
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153 | public static boolean isWindowsPlatform() |
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154 | { |
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155 | String os = System.getProperty("os.name"); |
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156 | if ( os != null && os.startsWith(WIN_ID)) |
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157 | return true; |
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158 | else
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159 | return false; |
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160 | |||
161 | } |
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162 | // Used to identify the windows platform.
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163 | private static final String WIN_ID = "Windows"; |
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164 | // The default system browser under windows.
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165 | private static final String WIN_PATH = "rundll32"; |
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166 | // The flag to display a url.
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167 | private static final String WIN_FLAG = "url.dll,FileProtocolHandler"; |
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168 | // The default browser under unix.
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169 | private static final String UNIX_PATH = "netscape"; |
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170 | // The flag to display a url.
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171 | private static final String UNIX_FLAG = "-remote openURL"; |
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172 | } |