r/org.eclipse.statet.nico.ui/src/org/eclipse/statet/nico/ui/util/ExportConsoleOutputWizard.java - statet/org.eclipse.statet-r - Git at Google

 /*=============================================================================#
  # Copyright (c) 2009, 2019 Stephan Wahlbrink and others.
  #
  # This program and the accompanying materials are made available under the
  # terms of the Eclipse Public License 2.0 which is available at
  # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
  # which is available at https://www.apache.org/licenses/LICENSE-2.0.
  #
  # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
  #
  # Contributors:
  #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
  #=============================================================================*/

 package org.eclipse.statet.nico.ui.util;

 import java.io.BufferedWriter;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.Writer;
 import java.lang.reflect.InvocationTargetException;
 import java.util.EnumSet;
 import java.util.concurrent.atomic.AtomicReference;

 import org.eclipse.core.databinding.observable.Realm;
 import org.eclipse.core.databinding.observable.value.IObservableValue;
 import org.eclipse.core.databinding.observable.value.WritableValue;
 import org.eclipse.core.filesystem.IFileStore;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.core.runtime.SubMonitor;
 import org.eclipse.core.runtime.jobs.IJobManager;
 import org.eclipse.core.runtime.jobs.ISchedulingRule;
 import org.eclipse.core.runtime.jobs.Job;
 import org.eclipse.jface.databinding.swt.typed.WidgetProperties;
 import org.eclipse.jface.databinding.wizard.WizardPageSupport;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogSettings;
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.jface.operation.IRunnableWithProgress;
 import org.eclipse.jface.text.AbstractDocument;
 import org.eclipse.jface.text.ITextSelection;
 import org.eclipse.jface.text.ITypedRegion;
 import org.eclipse.jface.wizard.Wizard;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.ui.console.TextConsoleViewer;
 import org.eclipse.ui.statushandlers.StatusManager;

 import org.eclipse.statet.ecommons.databinding.jface.DataBindingSupport;
 import org.eclipse.statet.ecommons.io.FileUtil;
 import org.eclipse.statet.ecommons.ui.dialogs.DialogUtils;
 import org.eclipse.statet.ecommons.ui.util.LayoutUtils;
 import org.eclipse.statet.ecommons.ui.util.UIAccess;
 import org.eclipse.statet.ecommons.ui.util.VariableFilterUtils;

 import org.eclipse.statet.internal.nico.ui.NicoUIPlugin;
 import org.eclipse.statet.nico.core.runtime.SubmitType;
 import org.eclipse.statet.nico.core.runtime.ToolProcess;
 import org.eclipse.statet.nico.core.util.TrackWriter;
 import org.eclipse.statet.nico.core.util.TrackingConfiguration;
 import org.eclipse.statet.nico.ui.NicoUI;
 import org.eclipse.statet.nico.ui.console.NIConsoleOutputStream;
 import org.eclipse.statet.nico.ui.console.NIConsolePage;


 /**
  * Wizard to export the console output
  */
 public class ExportConsoleOutputWizard extends Wizard {


 	private static final String FILE_HISTORY_SETTINGSKEY= "FileLocation_history";


 	protected static class ConfigurationPage extends WizardPage {


 		private final NIConsolePage consolePage;

 		private final TrackingConfiguration config;
 		private final IObservableValue<Boolean> openValue;

 		private TrackingConfigurationComposite configControl;
 		private Button openControl;

 		private DataBindingSupport dataBinding;


 		public ConfigurationPage(final NIConsolePage page, final TrackingConfiguration config, final boolean selectionMode) {
 			super("ConfigureConsoleExportPage"); //$NON-NLS-1$
 			this.consolePage= page;
 			setTitle(selectionMode ? "Export Selected Output" : "Export Current Output");
 			setDescription("Select the content to export and the destination file.");

 			this.config= config;

 			final Realm realm= Realm.getDefault();
 			this.openValue= new WritableValue<>(realm, false, Boolean.class);
 		}

 		@Override
 		public void createControl(final Composite parent) {
 			initializeDialogUnits(parent);

 			final Composite composite= new Composite(parent, SWT.NONE);
 			composite.setLayout(LayoutUtils.newContentGrid(1));

 			this.configControl= createTrackingControl(composite);
 			this.configControl.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));

 			this.configControl.getPathInput().getValidator().setOnLateResolve(IStatus.ERROR);
 			this.configControl.getPathInput().setShowInsertVariable(true,
 					VariableFilterUtils.DEFAULT_NON_ITERACTIVE_FILTERS,
 					this.consolePage.getTool().getWorkspaceData().getStringVariables() );
 			this.configControl.setInput(this.config);

 			final Composite additionalOptions= createAdditionalOptions(composite);
 			additionalOptions.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));

 			LayoutUtils.addSmallFiller(composite, true);
 			final ToolInfoGroup info= new ToolInfoGroup(composite, this.consolePage.getTool());
 			info.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));

 			Dialog.applyDialogFont(composite);
 			setControl(composite);

 			this.configControl.getPathInput().setHistory(getDialogSettings().getArray(FILE_HISTORY_SETTINGSKEY));
 			this.dataBinding= new DataBindingSupport(composite);
 			addBindings(this.dataBinding);
 			WizardPageSupport.create(this, this.dataBinding.getContext());
 		}

 		protected TrackingConfigurationComposite createTrackingControl(final Composite parent) {
 			return new TrackingConfigurationComposite(parent) {
 				@Override
 				protected boolean enableFullMode() {
 					return false;
 				}
 				@Override
 				protected boolean enableFilePathAsCombo() {
 					return true;
 				}
 				@Override
 				protected EnumSet<SubmitType> getEditableSubmitTypes() {
 					return EnumSet.of(SubmitType.OTHER);
 				}
 			};
 		}

 		protected Composite createAdditionalOptions(final Composite parent) {
 			final Group composite= new Group(parent, SWT.NONE);
 			composite.setText("Actions:");
 			composite.setLayout(LayoutUtils.newGroupGrid(1));

 			this.openControl= new Button(composite, SWT.CHECK);
 			this.openControl.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
 			this.openControl.setText("Open in &Editor");

 			return composite;
 		}

 		protected void addBindings(final DataBindingSupport db) {
 			this.configControl.addBindings(db);

 			db.getContext().bindValue(
 					WidgetProperties.buttonSelection()
 							.observe(this.openControl),
 					this.openValue );
 		}

 		public boolean getOpenInEditor() {
 			return this.openValue.getValue().booleanValue();
 		}

 		protected void saveSettings() {
 			final IDialogSettings settings= getDialogSettings();
 			DialogUtils.saveHistorySettings(settings, FILE_HISTORY_SETTINGSKEY, this.config.getFilePath());
 		}

 	}


 	private TrackingConfiguration config;
 	private final int selectionLength;

 	private final NIConsolePage consolePage;

 	private ConfigurationPage configPage;


 	public ExportConsoleOutputWizard(final NIConsolePage consolePage) {
 		this.consolePage= consolePage;
 		this.selectionLength= ((ITextSelection) consolePage.getOutputViewer().getSelection()).getLength();

 		setWindowTitle("Export Console Output");
 		setNeedsProgressMonitor(true);

 		setDialogSettings(DialogUtils.getDialogSettings(NicoUIPlugin.getInstance(), "tools/ExportConsoleOutputWizard"));
 	}

 	protected TrackingConfiguration createTrackingConfiguration() {
 		final TrackingConfiguration config= new TrackingConfiguration(""); //$NON-NLS-1$
 		config.getSubmitTypes().remove(SubmitType.OTHER);
 		return config;
 	}

 	@Override
 	public void addPages() {
 		this.config= createTrackingConfiguration();
 		this.configPage= new ConfigurationPage(this.consolePage, this.config, this.selectionLength > 0);
 		addPage(this.configPage);
 	}


 	@Override
 	public boolean performFinish() {
 		this.configPage.saveSettings();
 		final boolean openInEditor= this.configPage.getOpenInEditor();
 		try {
 			getContainer().run(true, true, new IRunnableWithProgress() {
 				@Override
 				public void run(final IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
 					final SubMonitor m= SubMonitor.convert(monitor, "Export Output", 100);
 					final TextConsoleViewer outputViewer= ExportConsoleOutputWizard.this.consolePage.getOutputViewer();
 					final AbstractDocument document= (AbstractDocument) outputViewer.getDocument();

 					final IJobManager jobManager= Job.getJobManager();
 					final ISchedulingRule schedulingRule= ExportConsoleOutputWizard.this.consolePage.getConsole().getSchedulingRule();
 					jobManager.beginRule(schedulingRule, m.newChild(1));
 					try {
 						if (ExportConsoleOutputWizard.this.selectionLength > 0) {
 							final AtomicReference<ITextSelection> currentSelection= new AtomicReference<>();
 							getShell().getDisplay().syncExec(new Runnable() {
 								@Override
 								public void run() {
 									final ITextSelection selection= (ITextSelection) outputViewer.getSelection();
 									if (selection.getLength() != ExportConsoleOutputWizard.this.selectionLength) {
 										final boolean continueExport= MessageDialog.openQuestion(getShell(), "Export Output",
 												"The selection is changed due to updates in the console. Do you want to continue nevertheless?");
 										if (!continueExport) {
 											return;
 										}
 									}
 									currentSelection.set(selection);
 								}
 							});
 							final ITextSelection selection= currentSelection.get();
 							if (selection == null) {
 								return;
 							}

 							export(document, selection.getOffset(), selection.getLength(), openInEditor, m);
 						}
 						else {
 							export(document, 0, document.getLength(), openInEditor, m);
 						}
 					}
 					finally {
 						jobManager.endRule(schedulingRule);
 					}
 				}
 			});
 		}
 		catch (final InvocationTargetException e) {
 			final Throwable cause= e.getCause();
 			StatusManager.getManager().handle(new Status(IStatus.ERROR, NicoUI.BUNDLE_ID, -1,
 					"An error occurred when exporting console output to file.", cause),
 					StatusManager.LOG | StatusManager.SHOW);
 			return !(cause instanceof CoreException || cause instanceof IOException);
 		}
 		catch (final InterruptedException e) {
 		}
 		return true;
 	}

 	private void export(final AbstractDocument document, final int offset, final int length, final boolean openInEditor,
 			final SubMonitor m) throws InvocationTargetException {
 		m.setWorkRemaining(1 + 20);

 		OutputStream outputStream= null;
 		Writer outputWriter= null;
 		try {
 			String filePath= this.config.getFilePath();
 			filePath= TrackWriter.resolveVariables(filePath, this.consolePage.getTool().getWorkspaceData());
 			final IFileStore fileStore= FileUtil.getFileStore(filePath);

 			outputStream= fileStore.openOutputStream(this.config.getFileMode(), m.newChild(1));
 			if (fileStore.fetchInfo().getLength() <= 0L) {
 				FileUtil.prepareTextOutput(outputStream, this.config.getFileEncoding());
 			}
 			outputWriter= new BufferedWriter(new OutputStreamWriter(outputStream, this.config.getFileEncoding()));

 			if (this.config.getPrependTimestamp()) {
 				final ToolProcess process= this.consolePage.getConsole().getProcess();
 				outputWriter.append(process.createTimestampComment(process.getConnectionTimestamp()));
 			}

 			if (this.config.getTrackStreamInfo() && this.config.getTrackStreamInput()
 					&& this.config.getTrackStreamOutput() && !this.config.getTrackStreamOutputTruncate()
 					&& this.config.getSubmitTypes().contains(SubmitType.OTHER) ) {
 				int pOffset= offset;
 				int pLength= length;
 				while (pLength > 0) {
 					final int currentLength= Math.min(pLength, 32768);
 					outputWriter.append(document.get(pOffset, currentLength));
 					pOffset+= currentLength;
 					pLength-= currentLength;
 				}
 			}
 			else {
 				final ITypedRegion[] partitions= document.getDocumentPartitioner().computePartitioning(offset, length);
 				final SubMonitor m1= m.newChild(20);
 				int workRemaining= partitions.length;
 				for (final ITypedRegion partition : partitions) {
 					m1.setWorkRemaining(workRemaining--);
 					final String type= partition.getType();
 					String text2= null;

 					if (type == null) {
 						continue;
 					}

 					boolean truncate= false;
 					if (type == NIConsoleOutputStream.INFO_STREAM_ID) {
 						if (!this.config.getTrackStreamInfo()) {
 							continue;
 						}
 					}
 					else if (type == NIConsoleOutputStream.OTHER_TASKS_INFO_STREAM_ID) {
 						if (!this.config.getTrackStreamInfo()
 								|| !this.config.getSubmitTypes().contains(SubmitType.OTHER)) {
 							continue;
 						}
 					}
 					else if (type == NIConsoleOutputStream.STD_INPUT_STREAM_ID) {
 						if (!this.config.getTrackStreamInput()) {
 							continue;
 						}
 					}
 					else if (type == NIConsoleOutputStream.OTHER_TASKS_STD_INPUT_STREAM_ID) {
 						if (!this.config.getTrackStreamInput()
 								|| !this.config.getSubmitTypes().contains(SubmitType.OTHER)) {
 							continue;
 						}
 					}
 					else if (type == NIConsoleOutputStream.STD_OUTPUT_STREAM_ID) {
 						if (!this.config.getTrackStreamOutput()) {
 							continue;
 						}
 						truncate= this.config.getTrackStreamOutputTruncate();
 					}
 					else if (type == NIConsoleOutputStream.OTHER_TASKS_INFO_STREAM_ID) {
 						if (!this.config.getTrackStreamOutput()
 								|| !this.config.getSubmitTypes().contains(SubmitType.OTHER)) {
 							continue;
 						}
 						truncate= this.config.getTrackStreamOutputTruncate();
 					}
 					else if (type == NIConsoleOutputStream.STD_ERROR_STREAM_ID) {
 						if (!this.config.getTrackStreamOutput()) {
 							continue;
 						}
 					}
 					else if (type == NIConsoleOutputStream.OTHER_TASKS_STD_ERROR_STREAM_ID) {
 						if (!this.config.getTrackStreamOutput()
 								|| !this.config.getSubmitTypes().contains(SubmitType.OTHER)) {
 							continue;
 						}
 					}
 					else {
 					}

 					int pOffset= Math.max(offset, partition.getOffset());
 					int pLength= Math.min(offset+length, partition.getOffset()+partition.getLength()) - pOffset;
 					if (truncate) {
 						final int firstLine= document.getLineOfOffset(pOffset);
 						final int lastLine= document.getLineOfOffset(pOffset+pLength);
 						if (lastLine - firstLine + 1 > this.config.getTrackStreamOutputTruncateLines()) {
 							pLength= document.getLineOffset(firstLine + this.config.getTrackStreamOutputTruncateLines()) - pOffset;
 							text2= "[...] (truncated)\n\n";
 						}
 					}

 					while (pLength > 0) {
 						final int currentLength= Math.min(pLength, 32768);
 						outputWriter.append(document.get(pOffset, currentLength));
 						pOffset+= currentLength;
 						pLength-= currentLength;
 					}
 					if (text2 != null) {
 						outputWriter.append(text2);
 					}
 				}
 			}

 			outputWriter.close();
 			outputWriter= null;

 			if (openInEditor) {
 				UIAccess.getDisplay().asyncExec(new Runnable() {
 					@Override
 					public void run() {
 						OpenTrackingFilesContributionItem.open("export", fileStore);
 					}
 				});
 			}
 		}
 		catch (final Exception e) {
 			throw new InvocationTargetException(e);
 		}
 		finally {
 			if (outputWriter != null) {
 				try {
 					outputWriter.close();
 				} catch (final IOException ignore) {}
 			}
 			else if (outputStream != null) {
 				try {
 					outputStream.close();
 				} catch (final IOException ignore) {}
 			}
 		}
 	}

 }
	/*=============================================================================#
	# Copyright (c) 2009, 2019 Stephan Wahlbrink and others.
	#
	# This program and the accompanying materials are made available under the
	# terms of the Eclipse Public License 2.0 which is available at
	# https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
	# which is available at https://www.apache.org/licenses/LICENSE-2.0.
	#
	# SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
	#
	# Contributors:
	# Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
	#=============================================================================*/

	package org.eclipse.statet.nico.ui.util;

	import java.io.BufferedWriter;
	import java.io.IOException;
	import java.io.OutputStream;
	import java.io.OutputStreamWriter;
	import java.io.Writer;
	import java.lang.reflect.InvocationTargetException;
	import java.util.EnumSet;
	import java.util.concurrent.atomic.AtomicReference;

	import org.eclipse.core.databinding.observable.Realm;
	import org.eclipse.core.databinding.observable.value.IObservableValue;
	import org.eclipse.core.databinding.observable.value.WritableValue;
	import org.eclipse.core.filesystem.IFileStore;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.core.runtime.SubMonitor;
	import org.eclipse.core.runtime.jobs.IJobManager;
	import org.eclipse.core.runtime.jobs.ISchedulingRule;
	import org.eclipse.core.runtime.jobs.Job;
	import org.eclipse.jface.databinding.swt.typed.WidgetProperties;
	import org.eclipse.jface.databinding.wizard.WizardPageSupport;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.IDialogSettings;
	import org.eclipse.jface.dialogs.MessageDialog;
	import org.eclipse.jface.operation.IRunnableWithProgress;
	import org.eclipse.jface.text.AbstractDocument;
	import org.eclipse.jface.text.ITextSelection;
	import org.eclipse.jface.text.ITypedRegion;
	import org.eclipse.jface.wizard.Wizard;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.ui.console.TextConsoleViewer;
	import org.eclipse.ui.statushandlers.StatusManager;

	import org.eclipse.statet.ecommons.databinding.jface.DataBindingSupport;
	import org.eclipse.statet.ecommons.io.FileUtil;
	import org.eclipse.statet.ecommons.ui.dialogs.DialogUtils;
	import org.eclipse.statet.ecommons.ui.util.LayoutUtils;
	import org.eclipse.statet.ecommons.ui.util.UIAccess;
	import org.eclipse.statet.ecommons.ui.util.VariableFilterUtils;

	import org.eclipse.statet.internal.nico.ui.NicoUIPlugin;
	import org.eclipse.statet.nico.core.runtime.SubmitType;
	import org.eclipse.statet.nico.core.runtime.ToolProcess;
	import org.eclipse.statet.nico.core.util.TrackWriter;
	import org.eclipse.statet.nico.core.util.TrackingConfiguration;
	import org.eclipse.statet.nico.ui.NicoUI;
	import org.eclipse.statet.nico.ui.console.NIConsoleOutputStream;
	import org.eclipse.statet.nico.ui.console.NIConsolePage;


	/**
	* Wizard to export the console output
	*/
	public class ExportConsoleOutputWizard extends Wizard {


	private static final String FILE_HISTORY_SETTINGSKEY= "FileLocation_history";


	protected static class ConfigurationPage extends WizardPage {


	private final NIConsolePage consolePage;

	private final TrackingConfiguration config;
	private final IObservableValue<Boolean> openValue;

	private TrackingConfigurationComposite configControl;
	private Button openControl;

	private DataBindingSupport dataBinding;



	public ConfigurationPage(final NIConsolePage page, final TrackingConfiguration config, final boolean selectionMode) {
	super("ConfigureConsoleExportPage"); //$NON-NLS-1$
	this.consolePage= page;
	setTitle(selectionMode ? "Export Selected Output" : "Export Current Output");
	setDescription("Select the content to export and the destination file.");

	this.config= config;

	final Realm realm= Realm.getDefault();
	this.openValue= new WritableValue<>(realm, false, Boolean.class);
	}

	@Override
	public void createControl(final Composite parent) {
	initializeDialogUnits(parent);

	final Composite composite= new Composite(parent, SWT.NONE);
	composite.setLayout(LayoutUtils.newContentGrid(1));

	this.configControl= createTrackingControl(composite);
	this.configControl.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));

	this.configControl.getPathInput().getValidator().setOnLateResolve(IStatus.ERROR);
	this.configControl.getPathInput().setShowInsertVariable(true,
	VariableFilterUtils.DEFAULT_NON_ITERACTIVE_FILTERS,
	this.consolePage.getTool().getWorkspaceData().getStringVariables() );
	this.configControl.setInput(this.config);

	final Composite additionalOptions= createAdditionalOptions(composite);
	additionalOptions.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));

	LayoutUtils.addSmallFiller(composite, true);
	final ToolInfoGroup info= new ToolInfoGroup(composite, this.consolePage.getTool());
	info.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));

	Dialog.applyDialogFont(composite);
	setControl(composite);

	this.configControl.getPathInput().setHistory(getDialogSettings().getArray(FILE_HISTORY_SETTINGSKEY));
	this.dataBinding= new DataBindingSupport(composite);
	addBindings(this.dataBinding);
	WizardPageSupport.create(this, this.dataBinding.getContext());
	}

	protected TrackingConfigurationComposite createTrackingControl(final Composite parent) {
	return new TrackingConfigurationComposite(parent) {
	@Override
	protected boolean enableFullMode() {
	return false;
	}
	@Override
	protected boolean enableFilePathAsCombo() {
	return true;
	}
	@Override
	protected EnumSet<SubmitType> getEditableSubmitTypes() {
	return EnumSet.of(SubmitType.OTHER);
	}
	};
	}

	protected Composite createAdditionalOptions(final Composite parent) {
	final Group composite= new Group(parent, SWT.NONE);
	composite.setText("Actions:");
	composite.setLayout(LayoutUtils.newGroupGrid(1));

	this.openControl= new Button(composite, SWT.CHECK);
	this.openControl.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
	this.openControl.setText("Open in &Editor");

	return composite;
	}

	protected void addBindings(final DataBindingSupport db) {
	this.configControl.addBindings(db);

	db.getContext().bindValue(
	WidgetProperties.buttonSelection()
	.observe(this.openControl),
	this.openValue );
	}

	public boolean getOpenInEditor() {
	return this.openValue.getValue().booleanValue();
	}

	protected void saveSettings() {
	final IDialogSettings settings= getDialogSettings();
	DialogUtils.saveHistorySettings(settings, FILE_HISTORY_SETTINGSKEY, this.config.getFilePath());
	}

	}


	private TrackingConfiguration config;
	private final int selectionLength;

	private final NIConsolePage consolePage;

	private ConfigurationPage configPage;


	public ExportConsoleOutputWizard(final NIConsolePage consolePage) {
	this.consolePage= consolePage;
	this.selectionLength= ((ITextSelection) consolePage.getOutputViewer().getSelection()).getLength();

	setWindowTitle("Export Console Output");
	setNeedsProgressMonitor(true);

	setDialogSettings(DialogUtils.getDialogSettings(NicoUIPlugin.getInstance(), "tools/ExportConsoleOutputWizard"));
	}

	protected TrackingConfiguration createTrackingConfiguration() {
	final TrackingConfiguration config= new TrackingConfiguration(""); //$NON-NLS-1$
	config.getSubmitTypes().remove(SubmitType.OTHER);
	return config;
	}

	@Override
	public void addPages() {
	this.config= createTrackingConfiguration();
	this.configPage= new ConfigurationPage(this.consolePage, this.config, this.selectionLength > 0);
	addPage(this.configPage);
	}


	@Override
	public boolean performFinish() {
	this.configPage.saveSettings();
	final boolean openInEditor= this.configPage.getOpenInEditor();
	try {
	getContainer().run(true, true, new IRunnableWithProgress() {
	@Override
	public void run(final IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
	final SubMonitor m= SubMonitor.convert(monitor, "Export Output", 100);
	final TextConsoleViewer outputViewer= ExportConsoleOutputWizard.this.consolePage.getOutputViewer();
	final AbstractDocument document= (AbstractDocument) outputViewer.getDocument();

	final IJobManager jobManager= Job.getJobManager();
	final ISchedulingRule schedulingRule= ExportConsoleOutputWizard.this.consolePage.getConsole().getSchedulingRule();
	jobManager.beginRule(schedulingRule, m.newChild(1));
	try {
	if (ExportConsoleOutputWizard.this.selectionLength > 0) {
	final AtomicReference<ITextSelection> currentSelection= new AtomicReference<>();
	getShell().getDisplay().syncExec(new Runnable() {
	@Override
	public void run() {
	final ITextSelection selection= (ITextSelection) outputViewer.getSelection();
	if (selection.getLength() != ExportConsoleOutputWizard.this.selectionLength) {
	final boolean continueExport= MessageDialog.openQuestion(getShell(), "Export Output",
	"The selection is changed due to updates in the console. Do you want to continue nevertheless?");
	if (!continueExport) {
	return;
	}
	}
	currentSelection.set(selection);
	}
	});
	final ITextSelection selection= currentSelection.get();
	if (selection == null) {
	return;
	}

	export(document, selection.getOffset(), selection.getLength(), openInEditor, m);
	}
	else {
	export(document, 0, document.getLength(), openInEditor, m);
	}
	}
	finally {
	jobManager.endRule(schedulingRule);
	}
	}
	});
	}
	catch (final InvocationTargetException e) {
	final Throwable cause= e.getCause();
	StatusManager.getManager().handle(new Status(IStatus.ERROR, NicoUI.BUNDLE_ID, -1,
	"An error occurred when exporting console output to file.", cause),
	StatusManager.LOG \| StatusManager.SHOW);
	return !(cause instanceof CoreException \|\| cause instanceof IOException);
	}
	catch (final InterruptedException e) {
	}
	return true;
	}

	private void export(final AbstractDocument document, final int offset, final int length, final boolean openInEditor,
	final SubMonitor m) throws InvocationTargetException {
	m.setWorkRemaining(1 + 20);

	OutputStream outputStream= null;
	Writer outputWriter= null;
	try {
	String filePath= this.config.getFilePath();
	filePath= TrackWriter.resolveVariables(filePath, this.consolePage.getTool().getWorkspaceData());
	final IFileStore fileStore= FileUtil.getFileStore(filePath);

	outputStream= fileStore.openOutputStream(this.config.getFileMode(), m.newChild(1));
	if (fileStore.fetchInfo().getLength() <= 0L) {
	FileUtil.prepareTextOutput(outputStream, this.config.getFileEncoding());
	}
	outputWriter= new BufferedWriter(new OutputStreamWriter(outputStream, this.config.getFileEncoding()));

	if (this.config.getPrependTimestamp()) {
	final ToolProcess process= this.consolePage.getConsole().getProcess();
	outputWriter.append(process.createTimestampComment(process.getConnectionTimestamp()));
	}

	if (this.config.getTrackStreamInfo() && this.config.getTrackStreamInput()
	&& this.config.getTrackStreamOutput() && !this.config.getTrackStreamOutputTruncate()
	&& this.config.getSubmitTypes().contains(SubmitType.OTHER) ) {
	int pOffset= offset;
	int pLength= length;
	while (pLength > 0) {
	final int currentLength= Math.min(pLength, 32768);
	outputWriter.append(document.get(pOffset, currentLength));
	pOffset+= currentLength;
	pLength-= currentLength;
	}
	}
	else {
	final ITypedRegion[] partitions= document.getDocumentPartitioner().computePartitioning(offset, length);
	final SubMonitor m1= m.newChild(20);
	int workRemaining= partitions.length;
	for (final ITypedRegion partition : partitions) {
	m1.setWorkRemaining(workRemaining--);
	final String type= partition.getType();
	String text2= null;

	if (type == null) {
	continue;
	}

	boolean truncate= false;
	if (type == NIConsoleOutputStream.INFO_STREAM_ID) {
	if (!this.config.getTrackStreamInfo()) {
	continue;
	}
	}
	else if (type == NIConsoleOutputStream.OTHER_TASKS_INFO_STREAM_ID) {
	if (!this.config.getTrackStreamInfo()
	\|\| !this.config.getSubmitTypes().contains(SubmitType.OTHER)) {
	continue;
	}
	}
	else if (type == NIConsoleOutputStream.STD_INPUT_STREAM_ID) {
	if (!this.config.getTrackStreamInput()) {
	continue;
	}
	}
	else if (type == NIConsoleOutputStream.OTHER_TASKS_STD_INPUT_STREAM_ID) {
	if (!this.config.getTrackStreamInput()
	\|\| !this.config.getSubmitTypes().contains(SubmitType.OTHER)) {
	continue;
	}
	}
	else if (type == NIConsoleOutputStream.STD_OUTPUT_STREAM_ID) {
	if (!this.config.getTrackStreamOutput()) {
	continue;
	}
	truncate= this.config.getTrackStreamOutputTruncate();
	}
	else if (type == NIConsoleOutputStream.OTHER_TASKS_INFO_STREAM_ID) {
	if (!this.config.getTrackStreamOutput()
	\|\| !this.config.getSubmitTypes().contains(SubmitType.OTHER)) {
	continue;
	}
	truncate= this.config.getTrackStreamOutputTruncate();
	}
	else if (type == NIConsoleOutputStream.STD_ERROR_STREAM_ID) {
	if (!this.config.getTrackStreamOutput()) {
	continue;
	}
	}
	else if (type == NIConsoleOutputStream.OTHER_TASKS_STD_ERROR_STREAM_ID) {
	if (!this.config.getTrackStreamOutput()
	\|\| !this.config.getSubmitTypes().contains(SubmitType.OTHER)) {
	continue;
	}
	}
	else {
	}

	int pOffset= Math.max(offset, partition.getOffset());
	int pLength= Math.min(offset+length, partition.getOffset()+partition.getLength()) - pOffset;
	if (truncate) {
	final int firstLine= document.getLineOfOffset(pOffset);
	final int lastLine= document.getLineOfOffset(pOffset+pLength);
	if (lastLine - firstLine + 1 > this.config.getTrackStreamOutputTruncateLines()) {
	pLength= document.getLineOffset(firstLine + this.config.getTrackStreamOutputTruncateLines()) - pOffset;
	text2= "[...] (truncated)\n\n";
	}
	}

	while (pLength > 0) {
	final int currentLength= Math.min(pLength, 32768);
	outputWriter.append(document.get(pOffset, currentLength));
	pOffset+= currentLength;
	pLength-= currentLength;
	}
	if (text2 != null) {
	outputWriter.append(text2);
	}
	}
	}

	outputWriter.close();
	outputWriter= null;

	if (openInEditor) {
	UIAccess.getDisplay().asyncExec(new Runnable() {
	@Override
	public void run() {
	OpenTrackingFilesContributionItem.open("export", fileStore);
	}
	});
	}
	}
	catch (final Exception e) {
	throw new InvocationTargetException(e);
	}
	finally {
	if (outputWriter != null) {
	try {
	outputWriter.close();
	} catch (final IOException ignore) {}
	}
	else if (outputStream != null) {
	try {
	outputStream.close();
	} catch (final IOException ignore) {}
	}
	}
	}

	}