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| <title>ShowJarContents Class After Editing</title> |
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| <h1>ShowJarContents Class After Editing</h1> |
| <pre><samp> |
| package samples.ui.actions; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.rse.core.model.IHost; |
| import org.eclipse.rse.core.subsystems.ISubSystem; |
| import org.eclipse.rse.shells.ui.RemoteCommandHelpers; |
| import org.eclipse.rse.subsystems.files.core.subsystems.IRemoteFile; |
| import org.eclipse.rse.subsystems.shells.core.subsystems.IRemoteCmdSubSystem; |
| import org.eclipse.rse.ui.SystemBasePlugin; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IObjectActionDelegate; |
| import org.eclipse.ui.IWorkbenchPart; |
| |
| /** |
| * An action that runs a command to display the contents of a Jar file. |
| * The plugin.xml file restricts this action so it only appears for .jar files. |
| */ |
| public class ShowJarContents implements IObjectActionDelegate { |
| private List _selectedFiles; |
| |
| /** |
| * Constructor for ShowJarContents. |
| */ |
| public ShowJarContents() { |
| _selectedFiles = new ArrayList(); |
| } |
| |
| protected Shell getShell() { |
| return SystemBasePlugin.getActiveWorkbenchShell(); |
| } |
| |
| protected IRemoteFile getFirstSelectedRemoteFile() { |
| if (_selectedFiles.size() > 0) { |
| return (IRemoteFile) _selectedFiles.get(0); |
| } |
| return null; |
| } |
| |
| protected ISubSystem getSubSystem() { |
| return getFirstSelectedRemoteFile().getParentRemoteFileSubSystem(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) |
| */ |
| public void run(IAction action) { |
| IRemoteFile selectedFile = getFirstSelectedRemoteFile(); |
| String cmdToRun = "jar -tvf " + selectedFile.getAbsolutePath(); //$NON-NLS-1$ |
| try { |
| runCommand(cmdToRun); |
| } catch (Exception e) { |
| String excType = e.getClass().getName(); |
| MessageDialog.openError(getShell(), excType, excType + ": " + e.getLocalizedMessage()); //$NON-NLS-1$ |
| e.printStackTrace(); |
| } |
| } |
| |
| public IRemoteCmdSubSystem getRemoteCmdSubSystem() { |
| //get the Command subsystem associated with the current host |
| IHost myHost = getSubSystem().getHost(); |
| IRemoteCmdSubSystem[] subsys = RemoteCommandHelpers.getCmdSubSystems(myHost); |
| for (int i = 0; i < subsys.length; i++) { |
| if (subsys[i].getSubSystemConfiguration().supportsCommands()) { |
| return subsys[i]; |
| } |
| } |
| return null; |
| } |
| |
| public void runCommand(String command) throws Exception { |
| IRemoteCmdSubSystem cmdss = getRemoteCmdSubSystem(); |
| if (cmdss != null && cmdss.isConnected()) { |
| // Run the command in a visible shell |
| RemoteCommandHelpers.runUniversalCommand(getShell(), command, ".", cmdss); //$NON-NLS-1$ |
| } else { |
| MessageDialog.openError(getShell(), "No command subsystem", "Found no command subsystem"); |
| } |
| } |
| |
| public void selectionChanged(org.eclipse.jface.action.IAction action, org.eclipse.jface.viewers.ISelection selection) { |
| _selectedFiles.clear(); |
| // store the selected jars to be used when running |
| Iterator theSet = ((IStructuredSelection) selection).iterator(); |
| while (theSet.hasNext()) { |
| Object obj = theSet.next(); |
| if (obj instanceof IRemoteFile) { |
| _selectedFiles.add(obj); |
| } |
| } |
| } |
| |
| public void setActivePart(IAction action, IWorkbenchPart targetPart) { |
| } |
| } |
| </samp></pre> |
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