svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.framework / org.gvsig.andami / src / main / java / org / gvsig / andami / impl / DesktopApi.java @ 42959
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package org.gvsig.andami.impl; |
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/*
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* Based on portions of code of MightyPork, http://www.ondrovo.com/
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* extracted from :
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* http://stackoverflow.com/questions/18004150/desktop-api-is-not-supported-on-the-current-platform
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*/
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import java.awt.Desktop; |
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import java.io.File; |
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import java.io.IOException; |
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import java.net.URI; |
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import java.util.ArrayList; |
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import java.util.List; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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public class DesktopApi { |
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private static Logger logger = LoggerFactory.getLogger(DesktopApi.class); |
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public static boolean browse(URI uri) { |
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if ( browseDESKTOP(uri) ) {
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return true; |
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} |
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if ( openSystemSpecific(uri.toString()) ) {
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return true; |
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} |
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return false; |
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} |
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public static boolean open(File file) { |
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if ( openDESKTOP(file) ) {
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return true; |
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} |
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if ( openSystemSpecific(file.getPath()) ) {
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return true; |
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} |
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return false; |
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} |
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public static boolean edit(File file) { |
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if ( editDESKTOP(file) ) {
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return true; |
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} |
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if ( openSystemSpecific(file.getPath()) ) {
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return true; |
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} |
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return false; |
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} |
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private static boolean openSystemSpecific(String what) { |
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EnumOS os = getOs(); |
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if (os.isLinux()) {
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// if (runCommand("gnome-open", "%s", what)) {
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// return true;
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// }
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// if (runCommand("kde-open", "%s", what)) {
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// return true;
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// }
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if (runCommand("xdg-open", "%s", what)) { |
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return true; |
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} |
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} |
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if ( os.isMac() ) {
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if ( runCommand("open", "%s", what) ) { |
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return true; |
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} |
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} |
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if ( os.isWindows() ) {
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if ( runCommand("explorer", "%s", what) ) { |
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return true; |
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} |
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} |
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return false; |
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} |
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private static boolean browseDESKTOP(URI uri) { |
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logOut("Trying to use Desktop.getDesktop().browse() with " + uri.toString());
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try {
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if ( !Desktop.isDesktopSupported() ) {
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logErr("Platform is not supported.");
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return false; |
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} |
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if ( !Desktop.getDesktop().isSupported(Desktop.Action.BROWSE) ) {
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logErr("BROWSE is not supported.");
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return false; |
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} |
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Desktop.getDesktop().browse(uri); |
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return true; |
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} catch (Throwable t) { |
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logErr("Error using desktop browse.", t);
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return false; |
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} |
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} |
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private static boolean openDESKTOP(File file) { |
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logOut("Trying to use Desktop.getDesktop().open() with " + file.toString());
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try {
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if ( !Desktop.isDesktopSupported() ) {
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logErr("Platform is not supported.");
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return false; |
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} |
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if ( !Desktop.getDesktop().isSupported(Desktop.Action.OPEN) ) {
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logErr("OPEN is not supported.");
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return false; |
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} |
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Desktop.getDesktop().open(file); |
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return true; |
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} catch (Throwable t) { |
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logErr("Error using desktop open.", t);
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return false; |
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} |
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} |
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private static boolean editDESKTOP(File file) { |
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logOut("Trying to use Desktop.getDesktop().edit() with " + file);
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try {
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if ( !Desktop.isDesktopSupported() ) {
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logErr("Platform is not supported.");
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return false; |
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} |
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if ( !Desktop.getDesktop().isSupported(Desktop.Action.EDIT) ) {
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logErr("EDIT is not supported.");
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return false; |
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} |
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Desktop.getDesktop().edit(file); |
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return true; |
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} catch (Throwable t) { |
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logErr("Error using desktop edit.", t);
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return false; |
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} |
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} |
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private static boolean runCommand(String command, String args, String file) { |
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logOut("Trying to exec:\n cmd = " + command + "\n args = " + args + "\n %s = " + file); |
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String[] parts = prepareCommand(command, args, file); |
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try {
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Process p = Runtime.getRuntime().exec(parts); |
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if ( p == null ) { |
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return false; |
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} |
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try {
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int retval = p.exitValue();
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if ( retval == 0 ) { |
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logErr("Process ended immediately.");
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return false; |
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} else {
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logErr("Process crashed.");
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return false; |
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} |
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} catch (IllegalThreadStateException itse) { |
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logErr("Process is running.");
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return true; |
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} |
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} catch (IOException e) { |
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logErr("Error running command.", e);
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return false; |
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} |
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} |
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private static String[] prepareCommand(String command, String args, String file) { |
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List<String> parts = new ArrayList<String>(); |
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parts.add(command); |
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if ( args != null ) { |
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for ( String s : args.split(" ") ) { |
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s = String.format(s, file); // put in the filename thing |
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parts.add(s.trim()); |
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} |
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} |
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return parts.toArray(new String[parts.size()]); |
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} |
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private static void logErr(String msg, Throwable t) { |
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logger.warn(msg,t); |
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} |
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private static void logErr(String msg) { |
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logger.warn(msg); |
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} |
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private static void logOut(String msg) { |
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logger.info(msg); |
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} |
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public static enum EnumOS { |
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linux, macos, solaris, unknown, windows; |
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public boolean isLinux() { |
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return this == linux || this == solaris; |
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} |
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public boolean isMac() { |
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return this == macos; |
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} |
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public boolean isWindows() { |
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return this == windows; |
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} |
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} |
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public static EnumOS getOs() { |
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String s = System.getProperty("os.name").toLowerCase(); |
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if ( s.contains("win") ) { |
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return EnumOS.windows;
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} |
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if ( s.contains("mac") ) { |
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return EnumOS.macos;
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} |
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if ( s.contains("solaris") ) { |
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return EnumOS.solaris;
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} |
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if ( s.contains("sunos") ) { |
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return EnumOS.solaris;
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} |
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if ( s.contains("linux") ) { |
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return EnumOS.linux;
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} |
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if ( s.contains("unix") ) { |
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return EnumOS.linux;
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} else {
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return EnumOS.unknown;
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} |
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} |
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} |