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157 lines
6.6 KiB
157 lines
6.6 KiB
14 years ago
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/**
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* Browser
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* Copyright 2010 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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* First released 05.08.2010 at http://yacy.net
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*
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* $LastChangedDate: 2010-06-16 17:11:21 +0200 (Mi, 16 Jun 2010) $
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* $LastChangedRevision: 6922 $
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* $LastChangedBy: orbiter $
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program in the file lgpl21.txt
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.yacy.gui.framework;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.lang.reflect.Method;
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import java.util.Properties;
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import net.yacy.kelondro.logging.Log;
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public class Browser {
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// constants for system identification
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public static final int systemMacOSC = 0; // 'classic' Mac OS 7.6.1/8.*/9.*
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public static final int systemMacOSX = 1; // all Mac OS X
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public static final int systemUnix = 2; // all Unix/Linux type systems
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public static final int systemWindows = 3; // all Windows 95/98/NT/2K/XP
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public static final int systemUnknown = -1; // any other system
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// constants for file type identification (Mac only)
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public static final String blankTypeString = "____";
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// system-identification statics
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public static final int systemOS;
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public static final boolean isMacArchitecture;
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public static final boolean isUnixFS;
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public static final boolean canExecUnix;
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public static final boolean isWindows;
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public static final boolean isWin32;
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// calculated system constants
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public static int maxPathLength = 65535;
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// Macintosh-specific statics
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private static Class<?> macMRJFileUtils = null;
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private static Method macOpenURL = null;
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// static initialization
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static {
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// check operation system type
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final Properties sysprop = System.getProperties();
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final String sysname = sysprop.getProperty("os.name","").toLowerCase();
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if (sysname.startsWith("mac os x")) systemOS = systemMacOSX;
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else if (sysname.startsWith("mac os")) systemOS = systemMacOSC;
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else if (sysname.startsWith("windows")) systemOS = systemWindows;
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else if ((sysname.startsWith("linux")) || (sysname.startsWith("unix"))) systemOS = systemUnix;
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else systemOS = systemUnknown;
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isMacArchitecture = ((systemOS == systemMacOSC) || (systemOS == systemMacOSX));
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isUnixFS = ((systemOS == systemMacOSX) || (systemOS == systemUnix));
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canExecUnix = ((isUnixFS) || (!((systemOS == systemMacOSC) || (systemOS == systemWindows))));
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isWindows = (systemOS == systemWindows);
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isWin32 = (isWindows && System.getProperty("os.arch", "").contains("x86"));
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// set up the MRJ Methods through reflection
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if (isMacArchitecture) try {
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macMRJFileUtils = Class.forName("com.apple.mrj.MRJFileUtils");
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macOpenURL = macMRJFileUtils.getMethod("openURL", new Class[] {Class.forName("java.lang.String")});
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final byte[] nullb = new byte[4];
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for (int i = 0; i < 4; i++) nullb[i] = 0;
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} catch (final Exception e) {
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//Log.logException(e);
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macMRJFileUtils = null;
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}
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// set up maximum path length according to system
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if (isWindows) maxPathLength = 255; else maxPathLength = 65535;
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}
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public static void openBrowser(final String url) {
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openBrowser(url, "firefox");
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}
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public static void openBrowser(final String url, final String app) {
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try {
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String cmd;
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Process p;
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if (systemOS != systemUnknown) {
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if (systemOS == systemMacOSC) {
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if ((isMacArchitecture) && (macMRJFileUtils != null)) {
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macOpenURL.invoke(null, new Object[] {url});
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}
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} else if (systemOS == systemMacOSX) {
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p = Runtime.getRuntime().exec(new String[] {"/usr/bin/osascript", "-e", "open location \"" + url + "\""});
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p.waitFor();
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if (p.exitValue() != 0) throw new RuntimeException("EXEC ERROR: " + errorResponse(p));
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} else if (systemOS == systemUnix) {
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cmd = app + " -remote openURL(" + url + ")";
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p = Runtime.getRuntime().exec(cmd);
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p.waitFor();
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if (p.exitValue() != 0) {
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cmd = app + " " + url;
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p = Runtime.getRuntime().exec(cmd);
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// no error checking, because it blocks until firefox is closed
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}
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} else if (systemOS == systemWindows) {
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// see forum at http://forum.java.sun.com/thread.jsp?forum=57&thread=233364&message=838441
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if (System.getProperty("os.name").contains("2000")) cmd = "rundll32 url.dll,FileProtocolHandler " + url;
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else cmd = "rundll32 url.dll,FileProtocolHandler \"" + url + "\"";
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//cmd = "cmd.exe /c start javascript:document.location='" + url + "'";
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p = Runtime.getRuntime().exec(cmd);
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p.waitFor();
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if (p.exitValue() != 0) throw new RuntimeException("EXEC ERROR: " + errorResponse(p));
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}
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}
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} catch (final Exception e) {
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System.err.println("ERROR "+ e.getClass() +" in openBrowser(): "+ e.getMessage());
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// browser could not be started automatically, tell user to do it
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System.out.println("please start your browser and open the following location: " + url);
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}
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}
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private static String errorResponse(final Process p) {
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final BufferedReader err = new BufferedReader(new InputStreamReader(p.getErrorStream()));
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String line, error = "";
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try {
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while ((line = err.readLine()) != null) {
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error = line + "\n";
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}
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return error;
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} catch (final IOException e) {
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return null;
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} finally {
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try {
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err.close();
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} catch (IOException e) {
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Log.logException(e);
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}
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}
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}
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}
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