svn-gvsig-desktop / tags / v1_0_RELEASE / applications / appgvSIG / src / com / iver / cit / gvsig / gui / panels / BrowserControl.java @ 9167
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/*
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* Created on 18-oct-2004
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*
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* TODO To change the template for this generated file go to
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* Window - Preferences - Java - Code Generation - Code and Comments
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*/
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.gvsig.gui.panels; |
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/**
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* @author Steven Spencer
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*
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* TODO To change the template for this generated type comment go to
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* Window - Preferences - Java - Code Generation - Code and Comments
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*/
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import java.io.IOException; |
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/**
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* A simple, static class to display a URL in the system browser.
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*
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* Under Unix, the system browser is hard-coded to be 'netscape'.
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* Netscape must be in your PATH for this to work. This has been
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* tested with the following platforms: AIX, HP-UX and Solaris.
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*
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* Under Windows, this will bring up the default browser under windows,
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* usually either Netscape or Microsoft IE. The default browser is
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* determined by the OS. This has been tested under Windows 95/98/NT.
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*
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* Examples:
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*
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BrowserControl.displayURL("http://www.javaworld.com")
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*
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BrowserControl.displayURL("file://c:\\docs\\index.html")
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*
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BrowserContorl.displayURL("file:///user/joe/index.html");
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*
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* Note - you must include the url type -- either "http://" or
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* "file://".
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*/
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public class BrowserControl |
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{ |
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/**
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* Display a file in the system browser. If you want to display a
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* file, you must include the absolute path name.
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*
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* @param url the file's url (the url must start with either "http://"
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or
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* "file://").
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*/
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public static void displayURL(String url) |
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{ |
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boolean windows = isWindowsPlatform();
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String cmd = null; |
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try
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{ |
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if (windows)
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{ |
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// cmd = 'rundll32 url.dll,FileProtocolHandler http://...'
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cmd = WIN_PATH + " " + WIN_FLAG + " " + url; |
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Process p = Runtime.getRuntime().exec(cmd); |
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} |
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else
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{ |
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// Under Unix, Netscape has to be running for the "-remote"
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// command to work. So, we try sending the command and
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// check for an exit value. If the exit command is 0,
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// it worked, otherwise we need to start the browser.
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// cmd = 'netscape -remote openURL(http://www.javaworld.com)'
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cmd = UNIX_PATH + " " + UNIX_FLAG + "(" + url + ")"; |
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Process p = Runtime.getRuntime().exec(cmd); |
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try
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{ |
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// wait for exit code -- if it's 0, command worked,
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// otherwise we need to start the browser up.
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int exitCode = p.waitFor();
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if (exitCode != 0) |
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{ |
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// Command failed, start up the browser
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// cmd = 'netscape http://www.javaworld.com'
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cmd = UNIX_PATH + " " + url;
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p = Runtime.getRuntime().exec(cmd);
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} |
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} |
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catch(InterruptedException x) |
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{ |
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System.err.println("Error bringing up browser, cmd='" + |
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cmd + "'");
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System.err.println("Caught: " + x); |
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} |
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} |
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} |
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catch(IOException x) |
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{ |
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// couldn't exec browser
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System.err.println("Could not invoke browser, command=" + cmd); |
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System.err.println("Caught: " + x); |
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} |
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} |
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/**
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* Try to determine whether this application is running under Windows
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* or some other platform by examing the "os.name" property.
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*
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* @return true if this application is running under a Windows OS
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*/
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public static boolean isWindowsPlatform() |
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{ |
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String os = System.getProperty("os.name"); |
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if ( os != null && os.startsWith(WIN_ID)) |
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return true; |
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else
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return false; |
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} |
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// Used to identify the windows platform.
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private static final String WIN_ID = "Windows"; |
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// The default system browser under windows.
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private static final String WIN_PATH = "rundll32"; |
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// The flag to display a url.
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private static final String WIN_FLAG = "url.dll,FileProtocolHandler"; |
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// The default browser under unix.
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private static final String UNIX_PATH = "netscape"; |
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// The flag to display a url.
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private static final String UNIX_FLAG = "-remote openURL"; |
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} |