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Code Issues Wiki Activity

Add sample code for running invisible commands

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This commit is contained in:
Martin Oberhuber 2006-10-27 02:10:27 +00:00
parent edd4669f53
commit 5aa266c4ce
1 changed files with 56 additions and 14 deletions
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70
rse/examples/org.eclipse.rse.examples.tutorial/src/samples/ui/actions/ShowJarContents.java
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@ -16,17 +16,22 @@
package samples.ui.actions; package samples.ui.actions;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.rse.core.model.IHost; import org.eclipse.rse.core.model.IHost;
import org.eclipse.rse.files.ui.actions.SystemAbstractRemoteFilePopupMenuExtensionAction; import org.eclipse.rse.files.ui.actions.SystemAbstractRemoteFilePopupMenuExtensionAction;
import org.eclipse.rse.internal.subsystems.shells.subsystems.RemoteError;
import org.eclipse.rse.internal.subsystems.shells.subsystems.RemoteOutput;
import org.eclipse.rse.services.shells.IHostOutput; import org.eclipse.rse.services.shells.IHostOutput;
import org.eclipse.rse.services.shells.IHostShell; import org.eclipse.rse.services.shells.IHostShell;
import org.eclipse.rse.services.shells.IHostShellChangeEvent; import org.eclipse.rse.services.shells.IHostShellChangeEvent;
import org.eclipse.rse.services.shells.IHostShellOutputListener; import org.eclipse.rse.services.shells.IHostShellOutputListener;
import org.eclipse.rse.services.shells.IShellService;
import org.eclipse.rse.shells.ui.RemoteCommandHelpers; import org.eclipse.rse.shells.ui.RemoteCommandHelpers;
import org.eclipse.rse.subsystems.files.core.subsystems.IRemoteFile; import org.eclipse.rse.subsystems.files.core.subsystems.IRemoteFile;
import org.eclipse.rse.subsystems.shells.core.subsystems.IRemoteCmdSubSystem; import org.eclipse.rse.subsystems.shells.core.subsystems.IRemoteCmdSubSystem;
import org.eclipse.rse.subsystems.shells.core.subsystems.servicesubsystem.IServiceCommandShell; import org.eclipse.rse.subsystems.shells.core.subsystems.IRemoteCommandShell;
import org.eclipse.rse.subsystems.shells.core.subsystems.servicesubsystem.IShellServiceSubSystem;
/** /**
* An action that runs a command to display the contents of a Jar file. * An action that runs a command to display the contents of a Jar file.
@ -50,7 +55,9 @@ public class ShowJarContents extends SystemAbstractRemoteFilePopupMenuExtensionA
try { try {
runCommand(cmdToRun); runCommand(cmdToRun);
} catch(Exception e) { } catch(Exception e) {
MessageDialog.openError(getShell(), e.getClass().getName(), e.getLocalizedMessage()); String excType = e.getClass().getName();
MessageDialog.openError(getShell(), excType, excType+": "+e.getLocalizedMessage()); //$NON-NLS-1$
e.printStackTrace();
} }
} }
@ -70,29 +77,64 @@ public class ShowJarContents extends SystemAbstractRemoteFilePopupMenuExtensionA
{ {
IRemoteCmdSubSystem cmdss = getRemoteCmdSubSystem(); IRemoteCmdSubSystem cmdss = getRemoteCmdSubSystem();
if (cmdss!=null && cmdss.isConnected()) { if (cmdss!=null && cmdss.isConnected()) {
//Option A: run the command invisibly //Option A: run the command invisibly through SubSystem API
//runCommandInvisibly(cmdss, command); //runCommandInvisibly(cmdss, command);
//Option B: run the command in a visible shell //Option B: run the command invisibly through Service API
//runCommandInvisiblyService(cmdss, command);
//Option C: run the command in a visible shell
RemoteCommandHelpers.runUniversalCommand(getShell(), command, ".", cmdss); //$NON-NLS-1$ RemoteCommandHelpers.runUniversalCommand(getShell(), command, ".", cmdss); //$NON-NLS-1$
} else { } else {
MessageDialog.openError(getShell(), "No command subsystem", "Found no command subsystem"); MessageDialog.openError(getShell(), "No command subsystem", "Found no command subsystem");
} }
} }
public static class StdOutOutputListener implements IHostShellOutputListener {
public void shellOutputChanged(IHostShellChangeEvent event) {
IHostOutput[] lines = event.getLines();
for(int i=0; i<lines.length; i++) {
System.out.println(lines[i]);
}
}
}
/** New version of running commands through IShellService / IHostShell */
public void runCommandInvisiblyService(IRemoteCmdSubSystem cmdss, String command) throws Exception
{
if (cmdss instanceof IShellServiceSubSystem) {
IShellService shellService = ((IShellServiceSubSystem)cmdss).getShellService();
String [] environment = new String[1];
environment[0] = "AAA=BBB"; //$NON-NLS-1$
String initialWorkingDirectory = "."; //$NON-NLS-1$
IHostShell hostShell = shellService.launchShell(new NullProgressMonitor(), initialWorkingDirectory, environment);
hostShell.addOutputListener(new StdOutOutputListener());
//hostShell.writeToShell("pwd"); //$NON-NLS-1$
//hostShell.writeToShell("echo ${AAA}"); //$NON-NLS-1$
//hostShell.writeToShell("env"); //$NON-NLS-1$
hostShell.writeToShell(command);
hostShell.writeToShell("exit"); //$NON-NLS-1$
}
}
/** Old version of running commands through the command subsystem */
public void runCommandInvisibly(IRemoteCmdSubSystem cmdss, String command) throws Exception public void runCommandInvisibly(IRemoteCmdSubSystem cmdss, String command) throws Exception
{ {
command = command + cmdss.getParentRemoteCmdSubSystemConfiguration().getCommandSeparator() + "exit"; //$NON-NLS-1$
Object[] result = cmdss.runCommand(command, null, false); Object[] result = cmdss.runCommand(command, null, false);
if (result.length>0 && result[0] instanceof IServiceCommandShell) { if (result.length>0 && result[0] instanceof IRemoteCommandShell) {
IServiceCommandShell scs = (IServiceCommandShell)result[0]; IRemoteCommandShell cs = (IRemoteCommandShell)result[0];
IHostShell hs = scs.getHostShell(); while (cs.isActive()) {
hs.addOutputListener(new IHostShellOutputListener() { Thread.sleep(1000);
public void shellOutputChanged(IHostShellChangeEvent event) { }
IHostOutput[] lines = event.getLines(); Object[] output = cs.listOutput();
for(int i=0; i<lines.length; i++) { for (int i=0; i<output.length; i++) {
System.out.println(lines[i]); if (output[i] instanceof RemoteOutput) {
} System.out.println(((RemoteOutput)output[i]).getText());
} else if (output[i] instanceof RemoteError) {
System.err.println(((RemoteError)output[i]).getText());
} }
}); }
cmdss.removeShell(cs);
} }
} }