com.github.jjYBdx4IL.utils.awt.Desktop Maven / Gradle / Ivy
/*
* Copyright (C) 2016 jjYBdx4IL (https://github.com/jjYBdx4IL)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.github.jjYBdx4IL.utils.awt;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.lang3.SystemUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author jjYBdx4IL
*/
public class Desktop {
private static final Logger LOG = LoggerFactory.getLogger(Desktop.class);
public static boolean browse(URI uri) {
if (browseDESKTOP(uri)) {
return true;
}
if (openSystemSpecific(uri.toString())) {
return true;
}
LOG.warn(String.format("failed to browse %s", uri));
return false;
}
public static boolean open(File file) {
if (openDESKTOP(file)) {
return true;
}
if (openSystemSpecific(file.getPath())) {
return true;
}
LOG.warn(String.format("failed to open %s", file.getAbsolutePath()));
return false;
}
public static boolean edit(File file) {
if (editDESKTOP(file)) {
return true;
}
if (openSystemSpecific(file.getPath())) {
return true;
}
LOG.warn(String.format("failed to edit %s", file.getAbsolutePath()));
return false;
}
private static boolean openSystemSpecific(String what) {
if (SystemUtils.IS_OS_LINUX) {
if (isXDG()) {
if (runCommand("xdg-open", "%s", what)) {
return true;
}
}
if (isKDE()) {
if (runCommand("kde-open", "%s", what)) {
return true;
}
}
if (isGNOME()) {
if (runCommand("gnome-open", "%s", what)) {
return true;
}
}
if (runCommand("kde-open", "%s", what)) {
return true;
}
if (runCommand("gnome-open", "%s", what)) {
return true;
}
}
if (SystemUtils.IS_OS_MAC) {
if (runCommand("open", "%s", what)) {
return true;
}
}
if (SystemUtils.IS_OS_WINDOWS) {
if (runCommand("explorer", "%s", what)) {
return true;
}
}
return false;
}
private static boolean browseDESKTOP(URI uri) {
try {
if (!java.awt.Desktop.isDesktopSupported()) {
LOG.debug("Platform is not supported.");
return false;
}
if (!java.awt.Desktop.getDesktop().isSupported(java.awt.Desktop.Action.BROWSE)) {
LOG.debug("BROWSE is not supported.");
return false;
}
LOG.info("Trying to use Desktop.getDesktop().browse() with " + uri.toString());
java.awt.Desktop.getDesktop().browse(uri);
return true;
} catch (Throwable t) {
LOG.error("Error using desktop browse.", t);
return false;
}
}
private static boolean openDESKTOP(File file) {
try {
if (!java.awt.Desktop.isDesktopSupported()) {
LOG.debug("Platform is not supported.");
return false;
}
if (!java.awt.Desktop.getDesktop().isSupported(java.awt.Desktop.Action.OPEN)) {
LOG.debug("OPEN is not supported.");
return false;
}
LOG.info("Trying to use Desktop.getDesktop().open() with " + file.toString());
java.awt.Desktop.getDesktop().open(file);
return true;
} catch (Throwable t) {
LOG.error("Error using desktop open.", t);
return false;
}
}
private static boolean editDESKTOP(File file) {
try {
if (!java.awt.Desktop.isDesktopSupported()) {
LOG.debug("Platform is not supported.");
return false;
}
if (!java.awt.Desktop.getDesktop().isSupported(java.awt.Desktop.Action.EDIT)) {
LOG.debug("EDIT is not supported.");
return false;
}
LOG.info("Trying to use Desktop.getDesktop().edit() with " + file);
java.awt.Desktop.getDesktop().edit(file);
return true;
} catch (Throwable t) {
LOG.error("Error using desktop edit.", t);
return false;
}
}
private static boolean runCommand(String command, String args, String file) {
LOG.info("Trying to exec:\n cmd = " + command + "\n args = " + args + "\n %s = " + file);
String[] parts = prepareCommand(command, args, file);
try {
Process p = Runtime.getRuntime().exec(parts);
if (p == null) {
return false;
}
try {
int retval = p.exitValue();
if (retval == 0) {
LOG.error("Process ended immediately.");
return false;
} else {
LOG.error("Process crashed.");
return false;
}
} catch (IllegalThreadStateException itse) {
LOG.error("Process is running.");
return true;
}
} catch (IOException e) {
LOG.error("Error running command.", e);
return false;
}
}
@SuppressWarnings("AssignmentToForLoopParameter")
private static String[] prepareCommand(String command, String args, String file) {
List parts = new ArrayList<>();
parts.add(command);
if (args != null) {
for (String s : args.split(" ")) {
s = String.format(s, file); // put in the filename thing
parts.add(s.trim());
}
}
return parts.toArray(new String[parts.size()]);
}
private static boolean isXDG() {
String xdgSessionId = System.getenv("XDG_SESSION_ID");
return xdgSessionId != null && !xdgSessionId.isEmpty();
}
private static boolean isGNOME() {
String gdmSession = System.getenv("GDMSESSION");
return gdmSession != null && gdmSession.toLowerCase().contains("gnome");
}
private static boolean isKDE() {
String gdmSession = System.getenv("GDMSESSION");
return gdmSession != null && gdmSession.toLowerCase().contains("kde");
}
private Desktop() {
}
}
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