1 files changed, 149 insertions, 0 deletions
diff --git a/containers/org.eclipse.linuxtools.docker.ui/src/org/eclipse/linuxtools/internal/docker/ui/commands/ShowInSystemExplorerCommandHandler.java b/containers/org.eclipse.linuxtools.docker.ui/src/org/eclipse/linuxtools/internal/docker/ui/commands/ShowInSystemExplorerCommandHandler.java
new file mode 100644
index 0000000000..a8a7e89a28
--- /dev/null
+++ b/containers/org.eclipse.linuxtools.docker.ui/src/org/eclipse/linuxtools/internal/docker/ui/commands/ShowInSystemExplorerCommandHandler.java
@@ -0,0 +1,149 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Red Hat.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Red Hat - Initial Contribution
+ *******************************************************************************/
+
+package org.eclipse.linuxtools.internal.docker.ui.commands;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.jobs.Job;
+import org.eclipse.jface.util.Util;
+import org.eclipse.linuxtools.docker.ui.Activator;
+import org.eclipse.linuxtools.internal.docker.ui.views.DockerExplorerContentProvider.DockerContainerVolume;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.handlers.HandlerUtil;
+import org.eclipse.ui.internal.ide.handlers.ShowInSystemExplorerHandler;
+
+/**
+ * Command handler to open the selection in the Web Browser.
+ * 
+ * @see ShowInSystemExplorerHandler
+ */
+@SuppressWarnings("restriction")
+public class ShowInSystemExplorerCommandHandler extends AbstractHandler {
+
+	private static final String VARIABLE_RESOURCE = "${selected_resource_loc}"; //$NON-NLS-1$
+	private static final String VARIABLE_RESOURCE_URI = "${selected_resource_uri}"; //$NON-NLS-1$
+	private static final String VARIABLE_FOLDER = "${selected_resource_parent_loc}"; //$NON-NLS-1$
+
+	@Override
+	public Object execute(final ExecutionEvent event) {
+		final IWorkbenchPart activePart = HandlerUtil.getActivePart(event);
+		final List<DockerContainerVolume> volumes = CommandUtils
+				.getSelectedVolumes(activePart);
+		if (volumes == null || volumes.isEmpty()) {
+			return null;
+		}
+		final DockerContainerVolume selectedVolume = volumes.get(0);
+		final File hostFile = new File(selectedVolume.getHostPath());
+		final String launchCmd = getShowInSystemExplorerCommand(hostFile);
+
+		if (launchCmd == null) {
+			return null;
+		}
+		final Job job = new Job(
+				CommandMessages.getString("command.showIn.systemExplorer")) {
+			// $NON-NLS-1$
+			@Override
+			protected IStatus run(final IProgressMonitor monitor) {
+
+				try {
+					final Process p = getLaunchProcess(launchCmd, hostFile);
+					final int retCode = p.waitFor();
+					if (retCode != 0 && !Util.isWindows()) {
+						Activator.logErrorMessage(
+								CommandMessages.getFormattedString(
+										"command.showIn.systemExplorer.failure.command.execute", //$NON-NLS-1$
+										launchCmd, Integer.toString(retCode)));
+					}
+				} catch (IOException | InterruptedException e) {
+					Activator
+							.logErrorMessage(CommandMessages.getFormattedString(
+									"command.showIn.systemExplorer.failure", //$NON-NLS-1$
+									launchCmd), e);
+				} finally {
+					monitor.done();
+				}
+				return Status.OK_STATUS;
+			}
+		};
+		job.setUser(true);
+		job.schedule();
+		return null;
+	}
+
+	/**
+	 * @param launchCmd
+	 *            the launch command
+	 * @return the platform-dependent {@link Process} to run to open the file in
+	 *         the System Explorer
+	 * @throws IOException
+	 */
+	private Process getLaunchProcess(final String launchCmd, final File dir)
+			throws IOException {
+		if (Util.isLinux() || Util.isMac()) {
+			return Runtime.getRuntime().exec(
+					new String[] { "/bin/sh", "-c", launchCmd }, null, dir); //$NON-NLS-1$ //$NON-NLS-2$
+		} else {
+			return Runtime.getRuntime().exec(launchCmd, null, dir);
+		}
+	}
+
+	/**
+	 * Prepare command for launching system explorer to show a path
+	 *
+	 * @param path
+	 *            the path to show
+	 * @return the command that shows the path
+	 * @see ShowInSystemExplorerHandler#getDefaultCommand()
+	 */
+	private String getShowInSystemExplorerCommand(final File path) {
+		String command = ShowInSystemExplorerHandler.getDefaultCommand();
+		if ("".equals(command)) {
+			Activator.logErrorMessage(CommandMessages.getString(
+					"command.showIn.systemExplorer.failure.command_unavailable"));
+			return null;
+		}
+		try {
+			command = Util.replaceAll(command, VARIABLE_RESOURCE,
+					quotePath(path.getCanonicalPath()));
+			command = Util.replaceAll(command, VARIABLE_RESOURCE_URI,
+					path.getCanonicalFile().toURI().toString());
+			File parent = path.getParentFile();
+			if (parent != null) {
+				command = Util.replaceAll(command, VARIABLE_FOLDER,
+						quotePath(parent.getCanonicalPath()));
+			}
+			return command;
+		} catch (IOException e) {
+			Activator.logErrorMessage(CommandMessages
+					.getString("command.showIn.systemExplorer.failure"), e);
+			return null;
+		}
+	}
+
+	private String quotePath(String path) {
+		if (Util.isLinux() || Util.isMac()) {
+			// Quote for usage inside "", man sh, topic QUOTING:
+			path = path.replaceAll("[\"$`]", "\\\\$0"); //$NON-NLS-1$ //$NON-NLS-2$
+		}
+		// Windows: Can't quote, since explorer.exe has a very special command
+		// line parsing strategy.
+		return path;
+	}
+
+}