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< title > ShowJarContents Class After Editing< / title >
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package samples.ui.actions;
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import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jface.action.IAction;
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import org.eclipse.jface.dialogs.MessageDialog;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.rse.core.model.IHost;
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import org.eclipse.rse.core.subsystems.ISubSystem;
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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;
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import org.eclipse.rse.ui.SystemBasePlugin;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
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/**
* 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;
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/**
* Constructor for ShowJarContents.
*/
public ShowJarContents() {
_selectedFiles = new ArrayList();
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}
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protected Shell getShell() {
return SystemBasePlugin.getActiveWorkbenchShell();
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}
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protected IRemoteFile getFirstSelectedRemoteFile() {
if (_selectedFiles.size() > 0) {
return (IRemoteFile) _selectedFiles.get(0);
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}
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return null;
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}
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protected ISubSystem getSubSystem() {
return getFirstSelectedRemoteFile().getParentRemoteFileSubSystem();
}
/* (non-Javadoc)
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
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*/
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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
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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;
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}
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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) {
}
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}
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