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- /*
- * Copyright (c) 2006-2014 DMDirc Developers
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
- package com.dmdirc.util.resourcemanager;
-
- import com.dmdirc.Main;
- import com.dmdirc.logger.ErrorLevel;
- import com.dmdirc.logger.Logger;
-
- import java.io.File;
- import java.io.UnsupportedEncodingException;
- import java.net.MalformedURLException;
- import java.net.URI;
- import java.net.URISyntaxException;
- import java.net.URL;
- import java.net.URLDecoder;
- import java.security.CodeSource;
-
- /**
- * Provides utility methods for working with resources from the DMDirc distribution.
- */
- public final class DMDircResourceManager {
-
- private DMDircResourceManager() {
- //Prevent instantiation
- }
-
- /**
- * Returns the working directory for the application.
- *
- * @return Current working directory
- */
- public static synchronized String getWorkingDirectory() {
- final CodeSource codeSource = Main.class.getProtectionDomain().getCodeSource();
- try {
- final File jarFile = new File(codeSource.getLocation().toURI().getPath());
- final String jarDir;
- if (isRunningFromJar()) {
- jarDir = jarFile.getParentFile().getPath();
- } else {
- jarDir = jarFile.getPath();
- }
- return URLDecoder.decode(jarDir, "UTF-8");
- } catch (URISyntaxException | UnsupportedEncodingException ex) {
- Logger.appError(ErrorLevel.FATAL, "Unable to find working directory", ex);
- return null;
- }
- }
-
- /**
- * Returns the working directory for the application or the jar name.
- *
- * @return Current working directory
- */
- public static synchronized String getApplicationDirectory() {
- return getWorkingDirectoryString(Thread.currentThread()
- .getContextClassLoader().getResource("com/dmdirc/Main.class"));
- }
-
- /**
- * Returns the working directory for the application
- *
- * @param mainClassURL Main class of the application
- *
- * @return location or null
- */
- static String getWorkingDirectoryString(final URL mainClassURL) {
- try {
- return URLDecoder.decode(getWorkingDirectoryURL(mainClassURL).getPath(), "UTF-8");
- } catch (UnsupportedEncodingException ex) {
- Logger.userError(ErrorLevel.MEDIUM, "Unable to decode path");
- }
- return "";
- }
-
- /**
- * Returns the working directory for the application
- *
- * @param mainClassURL Main class of the application
- *
- * @return URL location or null
- */
- static URL getWorkingDirectoryURL(final URL mainClassURL) {
- if (isRunningFromJar(mainClassURL)) {
- return getJarURL(mainClassURL);
- } else {
- return getFileURL();
- }
- }
-
- /**
- * Returns the URL of the folder the client is loaded from.
- *
- * @return URL of client folder file or null
- */
- protected static URL getFileURL() {
- return Thread.currentThread().getContextClassLoader().getResource("");
- }
-
- /**
- * Returns the URL of the jar the class is loaded from.
- *
- * @param mainClassURL Class to get Jar file from.
- *
- * @return URL of jar file or null
- */
- protected static URL getJarURL(final URL mainClassURL) {
- try {
- return new URI(mainClassURL.getPath().substring(0, mainClassURL.getPath()
- .indexOf("!/"))).toURL();
- } catch (MalformedURLException | URISyntaxException ex) {
- return null;
- }
- }
-
- /**
- * Determines if this instance of DMDirc is running from a jar or not.
- *
- * @return True if this instance is running from a JAR, false otherwise
- */
- public static boolean isRunningFromJar() {
- return isRunningFromJar(Thread.currentThread().getContextClassLoader().
- getResource("com/dmdirc/Main.class"));
-
- }
-
- /**
- * Determines if this instance of DMDirc is running from a jar or not.
- *
- * @param mainClassURL URL of main class
- *
- * @return True if this instance is running from a JAR, false otherwise
- */
- protected static boolean isRunningFromJar(final URL mainClassURL) {
- return "jar".equals(mainClassURL.getProtocol());
- }
-
- }
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