rpm/org.eclipse.linuxtools.rpm.ui.editor/src/org/eclipse/linuxtools/rpm/ui/editor/wizards/SpecfileNewWizardPage.java - gerrit/linuxtools/org.eclipse.linuxtools - Git at Google

 /*******************************************************************************
  * Copyright (c) 2007, 2018 Alphonse Van Assche 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/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *    Alphonse Van Assche - initial API and implementation
  *    Red Hat Inc. - ongoging maintenance
  *******************************************************************************/

 package org.eclipse.linuxtools.rpm.ui.editor.wizards;

 import java.io.BufferedInputStream;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.LineNumberReader;
 import java.util.List;

 import org.eclipse.core.resources.IContainer;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.window.Window;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.linuxtools.internal.rpm.ui.editor.Activator;
 import org.eclipse.linuxtools.internal.rpm.ui.editor.SpecfileLog;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.dialogs.ContainerSelectionDialog;

 public class SpecfileNewWizardPage extends WizardPage {

 	private static final String NAME = "package_name"; //$NON-NLS-1$

 	private static final String VERSION = "1.0"; //$NON-NLS-1$

 	private static final String SUMMARY = "Summary of the package"; //$NON-NLS-1$

 	private static final String GROUP = "Amusements/Games"; //$NON-NLS-1$

 	private static final String LICENSE = "GPL"; //$NON-NLS-1$

 	private static final String URL = "http://"; //$NON-NLS-1$

 	private static final String SOURCE0 = "archive_name-%{version}"; //$NON-NLS-1$

 	private Text projectText;

 	private Text nameText;

 	private Text versionText;

 	private Text summaryText;

 	private Combo groupCombo;

 	private Text licenseText;

 	private Text urlText;

 	private Text source0Text;

 	private GridData gd;

 	private ISelection selection;

 	private String selectedTemplate = "minimal"; //$NON-NLS-1$

 	private String content;

 	/**
 	 * Constructor for SpecfileNewWizardPage.
 	 *
 	 * @param selection The selection to put the new spec file in.
 	 */
 	public SpecfileNewWizardPage(ISelection selection) {
 		super("wizardPage"); //$NON-NLS-1$
 		setTitle(Messages.SpecfileNewWizardPage_9);
 		setDescription(Messages.SpecfileNewWizardPage_10);
 		this.selection = selection;
 	}

 	@Override
 	public void createControl(Composite parent) {
 		final Composite container = new Composite(parent, SWT.NULL);
 		GridLayout layout = new GridLayout();
 		container.setLayout(layout);
 		layout.numColumns = 3;
 		layout.verticalSpacing = 9;

 		// Project
 		Label label = new Label(container, SWT.NULL);
 		label.setText(Messages.SpecfileNewWizardPage_11);
 		projectText = new Text(container, SWT.BORDER | SWT.SINGLE);
 		gd = new GridData(GridData.FILL_HORIZONTAL);
 		projectText.setLayoutData(gd);
 		projectText.addModifyListener(e -> dialogChanged());
 		Button button = new Button(container, SWT.PUSH);
 		button.setText(Messages.SpecfileNewWizardPage_12);
 		button.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> handleBrowse()));

 		// Template to use
 		label = new Label(container, SWT.NULL);
 		label.setText(Messages.SpecfileNewWizardPage_13);
 		Combo templateCombo = new Combo(container, SWT.NULL);
 		try {
 			populateTemplateCombo(templateCombo);
 		} catch (CoreException e2) {
 			SpecfileLog.logError(e2);
 		}
 		// empty label for the last row.
 		label = new Label(container, SWT.NULL);
 		templateCombo.addModifyListener(e -> {
 			selectedTemplate = ((Combo) e.getSource()).getText();
 			InputStream inputStream = runRpmdevNewSpec(selectedTemplate);
 			LineNumberReader reader = new LineNumberReader(new InputStreamReader(inputStream));
 			String line;
 			try {
 				content = ""; //$NON-NLS-1$
 				setDefaultValues();
 				while ((line = reader.readLine()) != null) {
 					if (line.startsWith("Name:")) { //$NON-NLS-1$
 						setTemplateTagValue(nameText, line);
 					}
 					if (line.startsWith("Version:")) { //$NON-NLS-1$
 						setTemplateTagValue(versionText, line);
 					}
 					if (line.startsWith("Summary:")) { //$NON-NLS-1$
 						setTemplateTagValue(summaryText, line);
 					}
 					if (line.startsWith("Group:")) { //$NON-NLS-1$
 						String[] items = line.split(":", 2); //$NON-NLS-1$
 						String value = items[1].trim();
 						if (!value.equals("")) {//$NON-NLS-1$
 							groupCombo.setText(value);
 						}
 					}
 					if (line.startsWith("License:")) { //$NON-NLS-1$
 						setTemplateTagValue(licenseText, line);
 					}
 					if (line.startsWith("URL:")) { //$NON-NLS-1$
 						setTemplateTagValue(urlText, line);
 					}
 					if (line.startsWith("Source0:")) { //$NON-NLS-1$
 						setTemplateTagValue(source0Text, line);
 					}
 					content += line + '\n';
 				}
 			} catch (IOException e1) {
 				SpecfileLog.logError(e1);
 			}
 		});

 		// Package Name
 		nameText = setTextItem(container, Messages.SpecfileNewWizardPage_14);

 		// Package Version
 		versionText = setTextItem(container, Messages.SpecfileNewWizardPage_15);

 		// Package Summary
 		summaryText = setTextItem(container, Messages.SpecfileNewWizardPage_16);

 		// Package Group
 		label = new Label(container, SWT.NULL);
 		label.setText(Messages.SpecfileNewWizardPage_17);
 		groupCombo = new Combo(container, SWT.NULL);
 		populateGroupCombo(groupCombo);
 		// empty label for the last row.
 		new Label(container, SWT.NULL);

 		// Package License
 		licenseText = setTextItem(container, Messages.SpecfileNewWizardPage_18);

 		// Package URL
 		urlText = setTextItem(container, Messages.SpecfileNewWizardPage_19);

 		// Package Source0
 		source0Text = setTextItem(container, Messages.SpecfileNewWizardPage_20);

 		initialize();
 		dialogChanged();
 		setControl(container);
 	}

 	private Text setTextItem(Composite container, String textLabel) {
 		Label label = new Label(container, SWT.NULL);
 		label.setText(textLabel);
 		Text text = new Text(container, SWT.BORDER | SWT.SINGLE);
 		text.setLayoutData(gd);
 		text.addModifyListener(e -> dialogChanged());
 		// empty label for the last row.
 		new Label(container, SWT.NULL);
 		return text;
 	}

 	private void setTemplateTagValue(Text text, String line) {
 		String[] items = line.split(":", 2); //$NON-NLS-1$
 		String value = items[1].trim();
 		if (!value.equals("")) { //$NON-NLS-1$
 			text.setText(value);
 		}
 	}

 	public String getProjectName() {
 		return projectText.getText();
 	}

 	public String getFileName() {
 		return nameText.getText() + ".spec"; //$NON-NLS-1$
 	}

 	public String getSelectedTemplate() {
 		return selectedTemplate;
 	}

 	public String getContent() {
 		InputStream inputStream = runRpmdevNewSpec(selectedTemplate);
 		LineNumberReader reader = new LineNumberReader(new InputStreamReader(inputStream));
 		String line;
 		try {
 			content = ""; //$NON-NLS-1$
 			while ((line = reader.readLine()) != null) {
 				if (line.startsWith("Name:")) { //$NON-NLS-1$
 					line = "Name:" + "           " + nameText.getText(); //$NON-NLS-1$ //$NON-NLS-2$
 				}
 				if (line.startsWith("Version:")) { //$NON-NLS-1$
 					line = "Version:" + "        " + versionText.getText(); //$NON-NLS-1$ //$NON-NLS-2$
 				}
 				if (line.startsWith("Summary:")) { //$NON-NLS-1$
 					line = "Summary:" + "        " + summaryText.getText(); //$NON-NLS-1$ //$NON-NLS-2$
 				}
 				if (line.startsWith("Group:")) { //$NON-NLS-1$
 					line = "Group:" + "          " + groupCombo.getText(); //$NON-NLS-1$ //$NON-NLS-2$
 				}
 				if (line.startsWith("License:")) { //$NON-NLS-1$
 					line = "License:" + "        " + licenseText.getText(); //$NON-NLS-1$ //$NON-NLS-2$
 				}
 				if (line.startsWith("URL:")) { //$NON-NLS-1$
 					line = "URL:" + "            " + urlText.getText(); //$NON-NLS-1$ //$NON-NLS-2$
 				}
 				if (line.startsWith("Source0:")) { //$NON-NLS-1$
 					line = "Source0:" + "        " + source0Text.getText(); //$NON-NLS-1$ //$NON-NLS-2$
 				}
 				content += line + '\n';
 			}
 		} catch (IOException e1) {
 			SpecfileLog.logError(e1);
 		}
 		return content;
 	}

 	/**
 	 * Tests if the current workbench selection is a suitable container to use.
 	 */
 	private void initialize() {
 		if (selection instanceof IStructuredSelection && !selection.isEmpty()) {
 			IStructuredSelection ssel = (IStructuredSelection) selection;
 			if (ssel.size() > 1) {
 				return;
 			}
 			Object obj = ssel.getFirstElement();
 			if (obj instanceof IResource) {
 				IContainer container;
 				if (obj instanceof IContainer) {
 					container = (IContainer) obj;
 				} else {
 					container = ((IResource) obj).getParent();
 				}
 				projectText.setText(container.getFullPath().toString());
 			}
 		}
 		setDefaultValues();
 	}

 	/**
 	 * Uses the standard container selection dialog to choose the new value for the
 	 * container field.
 	 */
 	private void handleBrowse() {
 		ContainerSelectionDialog dialog = new ContainerSelectionDialog(getShell(),
 				ResourcesPlugin.getWorkspace().getRoot(), false, Messages.SpecfileNewWizardPage_21);
 		if (dialog.open() == Window.OK) {
 			Object[] result = dialog.getResult();
 			if (result.length == 1) {
 				projectText.setText(((Path) result[0]).toString());
 			}
 		}
 	}

 	/**
 	 * Ensures that both text fields are set.
 	 */
 	private void dialogChanged() {
 		IResource container = ResourcesPlugin.getWorkspace().getRoot().findMember(new Path(getProjectName()));
 		String fileName = getFileName();
 		if (getProjectName().length() == 0) {
 			updateStatus(Messages.SpecfileNewWizardPage_22);
 			return;
 		}
 		if (container == null || (container.getType() & (IResource.PROJECT | IResource.FOLDER)) == 0) {
 			updateStatus(Messages.SpecfileNewWizardPage_23);
 			return;
 		}
 		if (!container.isAccessible()) {
 			updateStatus(Messages.SpecfileNewWizardPage_24);
 			return;
 		}
 		if (fileName.length() == 0) {
 			updateStatus(Messages.SpecfileNewWizardPage_25);
 			return;
 		}

 		/*
 		 * Current RPM doc content (4.4.2): Names must not include whitespace and may
 		 * include a hyphen '-' (unlike version and releasetags). Names should not
 		 * include any numeric operators ('<', '>','=') as future versions of rpm may
 		 * need to reserve characters other than '-'.
 		 */
 		String packageName = nameText.getText();
 		if (packageName.indexOf(' ') != -1 || packageName.indexOf('<') != -1 || packageName.indexOf('>') != -1
 				|| packageName.indexOf('=') != -1) {
 			updateStatus(Messages.SpecfileNewWizardPage_26 + Messages.SpecfileNewWizardPage_27);
 			return;
 		}

 		if (versionText.getText().indexOf("-") > -1) { //$NON-NLS-1$
 			updateStatus(Messages.SpecfileNewWizardPage_28);
 			return;
 		}

 		updateStatus(null);
 	}

 	protected void updateStatus(String message) {
 		setErrorMessage(message);
 		setPageComplete(message == null);
 	}

 	private void setDefaultValues() {
 		nameText.setText(NAME);
 		versionText.setText(VERSION);
 		summaryText.setText(SUMMARY);
 		groupCombo.setText(GROUP);
 		licenseText.setText(LICENSE);
 		urlText.setText(URL);
 		source0Text.setText(SOURCE0);
 	}

 	private void populateTemplateCombo(Combo templateCombo) throws CoreException {
 		// get a list of all files in a directory
 		File dir = new File("/etc/rpmdevtools"); //$NON-NLS-1$
 		String[] files = dir.list();
 		if (dir.exists()) {
 			String templateCSV = ""; //$NON-NLS-1$
 			for (String file : files) {
 				if (file.startsWith("spectemplate-")) { //$NON-NLS-1$
 					templateCSV += file.split("-", 2)[1].replace(".spec", //$NON-NLS-1$ //$NON-NLS-2$
 							"") //$NON-NLS-1$
 							+ ","; //$NON-NLS-1$
 				}
 			}
 			String[] templates = templateCSV.split(","); //$NON-NLS-1$
 			for (String template : templates) {
 				templateCombo.add(template);
 			}
 			templateCombo.setText(selectedTemplate);
 		} else {
 			throwCoreException(Messages.SpecfileNewWizardPage_29);
 		}
 	}

 	private void populateGroupCombo(Combo groupsCombo) {
 		List<String> rpmGroups = Activator.getDefault().getRpmGroups();
 		for (String rpmGroup : rpmGroups) {
 			groupsCombo.add(rpmGroup);
 		}
 	}

 	private BufferedInputStream runRpmdevNewSpec(String template) {
 		BufferedInputStream in = null;
 		// Here we assuming that the rpmdevtools package is installed.
 		try {
 			in = org.eclipse.linuxtools.rpm.core.utils.Utils.runCommandToInputStream("rpmdev-newspec", "-o", "-", "-t", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
 					template);
 		} catch (IOException e) {
 			// FIXME: rpmdev-newspec is not in the system $PATH, what should we
 			// do here?.
 			SpecfileLog.logError(e);
 		}
 		return in;
 	}

 	private void throwCoreException(String message) throws CoreException {
 		IStatus status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.OK, message, null);
 		throw new CoreException(status);
 	}

 	public Text getNameText() {
 		return nameText;
 	}

 	public Text getProjectText() {
 		return projectText;
 	}

 	public Text getVersionText() {
 		return versionText;
 	}

 	public Text getUrlText() {
 		return urlText;
 	}

 	public Text getLicenseText() {
 		return licenseText;
 	}

 	public Text getSourceText() {
 		return source0Text;
 	}

 	public Text getSummaryText() {
 		return summaryText;
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2007, 2018 Alphonse Van Assche 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/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* Alphonse Van Assche - initial API and implementation
	* Red Hat Inc. - ongoging maintenance
	*******************************************************************************/

	package org.eclipse.linuxtools.rpm.ui.editor.wizards;

	import java.io.BufferedInputStream;
	import java.io.File;
	import java.io.IOException;
	import java.io.InputStream;
	import java.io.InputStreamReader;
	import java.io.LineNumberReader;
	import java.util.List;

	import org.eclipse.core.resources.IContainer;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.jface.viewers.ISelection;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.window.Window;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.linuxtools.internal.rpm.ui.editor.Activator;
	import org.eclipse.linuxtools.internal.rpm.ui.editor.SpecfileLog;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Combo;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.dialogs.ContainerSelectionDialog;

	public class SpecfileNewWizardPage extends WizardPage {

	private static final String NAME = "package_name"; //$NON-NLS-1$

	private static final String VERSION = "1.0"; //$NON-NLS-1$

	private static final String SUMMARY = "Summary of the package"; //$NON-NLS-1$

	private static final String GROUP = "Amusements/Games"; //$NON-NLS-1$

	private static final String LICENSE = "GPL"; //$NON-NLS-1$

	private static final String URL = "http://"; //$NON-NLS-1$

	private static final String SOURCE0 = "archive_name-%{version}"; //$NON-NLS-1$

	private Text projectText;

	private Text nameText;

	private Text versionText;

	private Text summaryText;

	private Combo groupCombo;

	private Text licenseText;

	private Text urlText;

	private Text source0Text;

	private GridData gd;

	private ISelection selection;

	private String selectedTemplate = "minimal"; //$NON-NLS-1$

	private String content;

	/**
	* Constructor for SpecfileNewWizardPage.
	*
	* @param selection The selection to put the new spec file in.
	*/
	public SpecfileNewWizardPage(ISelection selection) {
	super("wizardPage"); //$NON-NLS-1$
	setTitle(Messages.SpecfileNewWizardPage_9);
	setDescription(Messages.SpecfileNewWizardPage_10);
	this.selection = selection;
	}

	@Override
	public void createControl(Composite parent) {
	final Composite container = new Composite(parent, SWT.NULL);
	GridLayout layout = new GridLayout();
	container.setLayout(layout);
	layout.numColumns = 3;
	layout.verticalSpacing = 9;

	// Project
	Label label = new Label(container, SWT.NULL);
	label.setText(Messages.SpecfileNewWizardPage_11);
	projectText = new Text(container, SWT.BORDER \| SWT.SINGLE);
	gd = new GridData(GridData.FILL_HORIZONTAL);
	projectText.setLayoutData(gd);
	projectText.addModifyListener(e -> dialogChanged());
	Button button = new Button(container, SWT.PUSH);
	button.setText(Messages.SpecfileNewWizardPage_12);
	button.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> handleBrowse()));

	// Template to use
	label = new Label(container, SWT.NULL);
	label.setText(Messages.SpecfileNewWizardPage_13);
	Combo templateCombo = new Combo(container, SWT.NULL);
	try {
	populateTemplateCombo(templateCombo);
	} catch (CoreException e2) {
	SpecfileLog.logError(e2);
	}
	// empty label for the last row.
	label = new Label(container, SWT.NULL);
	templateCombo.addModifyListener(e -> {
	selectedTemplate = ((Combo) e.getSource()).getText();
	InputStream inputStream = runRpmdevNewSpec(selectedTemplate);
	LineNumberReader reader = new LineNumberReader(new InputStreamReader(inputStream));
	String line;
	try {
	content = ""; //$NON-NLS-1$
	setDefaultValues();
	while ((line = reader.readLine()) != null) {
	if (line.startsWith("Name:")) { //$NON-NLS-1$
	setTemplateTagValue(nameText, line);
	}
	if (line.startsWith("Version:")) { //$NON-NLS-1$
	setTemplateTagValue(versionText, line);
	}
	if (line.startsWith("Summary:")) { //$NON-NLS-1$
	setTemplateTagValue(summaryText, line);
	}
	if (line.startsWith("Group:")) { //$NON-NLS-1$
	String[] items = line.split(":", 2); //$NON-NLS-1$
	String value = items[1].trim();
	if (!value.equals("")) {//$NON-NLS-1$
	groupCombo.setText(value);
	}
	}
	if (line.startsWith("License:")) { //$NON-NLS-1$
	setTemplateTagValue(licenseText, line);
	}
	if (line.startsWith("URL:")) { //$NON-NLS-1$
	setTemplateTagValue(urlText, line);
	}
	if (line.startsWith("Source0:")) { //$NON-NLS-1$
	setTemplateTagValue(source0Text, line);
	}
	content += line + '\n';
	}
	} catch (IOException e1) {
	SpecfileLog.logError(e1);
	}
	});

	// Package Name
	nameText = setTextItem(container, Messages.SpecfileNewWizardPage_14);

	// Package Version
	versionText = setTextItem(container, Messages.SpecfileNewWizardPage_15);

	// Package Summary
	summaryText = setTextItem(container, Messages.SpecfileNewWizardPage_16);

	// Package Group
	label = new Label(container, SWT.NULL);
	label.setText(Messages.SpecfileNewWizardPage_17);
	groupCombo = new Combo(container, SWT.NULL);
	populateGroupCombo(groupCombo);
	// empty label for the last row.
	new Label(container, SWT.NULL);

	// Package License
	licenseText = setTextItem(container, Messages.SpecfileNewWizardPage_18);

	// Package URL
	urlText = setTextItem(container, Messages.SpecfileNewWizardPage_19);

	// Package Source0
	source0Text = setTextItem(container, Messages.SpecfileNewWizardPage_20);

	initialize();
	dialogChanged();
	setControl(container);
	}

	private Text setTextItem(Composite container, String textLabel) {
	Label label = new Label(container, SWT.NULL);
	label.setText(textLabel);
	Text text = new Text(container, SWT.BORDER \| SWT.SINGLE);
	text.setLayoutData(gd);
	text.addModifyListener(e -> dialogChanged());
	// empty label for the last row.
	new Label(container, SWT.NULL);
	return text;
	}

	private void setTemplateTagValue(Text text, String line) {
	String[] items = line.split(":", 2); //$NON-NLS-1$
	String value = items[1].trim();
	if (!value.equals("")) { //$NON-NLS-1$
	text.setText(value);
	}
	}

	public String getProjectName() {
	return projectText.getText();
	}

	public String getFileName() {
	return nameText.getText() + ".spec"; //$NON-NLS-1$
	}

	public String getSelectedTemplate() {
	return selectedTemplate;
	}

	public String getContent() {
	InputStream inputStream = runRpmdevNewSpec(selectedTemplate);
	LineNumberReader reader = new LineNumberReader(new InputStreamReader(inputStream));
	String line;
	try {
	content = ""; //$NON-NLS-1$
	while ((line = reader.readLine()) != null) {
	if (line.startsWith("Name:")) { //$NON-NLS-1$
	line = "Name:" + " " + nameText.getText(); //$NON-NLS-1$ //$NON-NLS-2$
	}
	if (line.startsWith("Version:")) { //$NON-NLS-1$
	line = "Version:" + " " + versionText.getText(); //$NON-NLS-1$ //$NON-NLS-2$
	}
	if (line.startsWith("Summary:")) { //$NON-NLS-1$
	line = "Summary:" + " " + summaryText.getText(); //$NON-NLS-1$ //$NON-NLS-2$
	}
	if (line.startsWith("Group:")) { //$NON-NLS-1$
	line = "Group:" + " " + groupCombo.getText(); //$NON-NLS-1$ //$NON-NLS-2$
	}
	if (line.startsWith("License:")) { //$NON-NLS-1$
	line = "License:" + " " + licenseText.getText(); //$NON-NLS-1$ //$NON-NLS-2$
	}
	if (line.startsWith("URL:")) { //$NON-NLS-1$
	line = "URL:" + " " + urlText.getText(); //$NON-NLS-1$ //$NON-NLS-2$
	}
	if (line.startsWith("Source0:")) { //$NON-NLS-1$
	line = "Source0:" + " " + source0Text.getText(); //$NON-NLS-1$ //$NON-NLS-2$
	}
	content += line + '\n';
	}
	} catch (IOException e1) {
	SpecfileLog.logError(e1);
	}
	return content;
	}

	/**
	* Tests if the current workbench selection is a suitable container to use.
	*/
	private void initialize() {
	if (selection instanceof IStructuredSelection && !selection.isEmpty()) {
	IStructuredSelection ssel = (IStructuredSelection) selection;
	if (ssel.size() > 1) {
	return;
	}
	Object obj = ssel.getFirstElement();
	if (obj instanceof IResource) {
	IContainer container;
	if (obj instanceof IContainer) {
	container = (IContainer) obj;
	} else {
	container = ((IResource) obj).getParent();
	}
	projectText.setText(container.getFullPath().toString());
	}
	}
	setDefaultValues();
	}

	/**
	* Uses the standard container selection dialog to choose the new value for the
	* container field.
	*/
	private void handleBrowse() {
	ContainerSelectionDialog dialog = new ContainerSelectionDialog(getShell(),
	ResourcesPlugin.getWorkspace().getRoot(), false, Messages.SpecfileNewWizardPage_21);
	if (dialog.open() == Window.OK) {
	Object[] result = dialog.getResult();
	if (result.length == 1) {
	projectText.setText(((Path) result[0]).toString());
	}
	}
	}

	/**
	* Ensures that both text fields are set.
	*/
	private void dialogChanged() {
	IResource container = ResourcesPlugin.getWorkspace().getRoot().findMember(new Path(getProjectName()));
	String fileName = getFileName();
	if (getProjectName().length() == 0) {
	updateStatus(Messages.SpecfileNewWizardPage_22);
	return;
	}
	if (container == null \|\| (container.getType() & (IResource.PROJECT \| IResource.FOLDER)) == 0) {
	updateStatus(Messages.SpecfileNewWizardPage_23);
	return;
	}
	if (!container.isAccessible()) {
	updateStatus(Messages.SpecfileNewWizardPage_24);
	return;
	}
	if (fileName.length() == 0) {
	updateStatus(Messages.SpecfileNewWizardPage_25);
	return;
	}

	/*
	* Current RPM doc content (4.4.2): Names must not include whitespace and may
	* include a hyphen '-' (unlike version and releasetags). Names should not
	* include any numeric operators ('<', '>','=') as future versions of rpm may
	* need to reserve characters other than '-'.
	*/
	String packageName = nameText.getText();
	if (packageName.indexOf(' ') != -1 \|\| packageName.indexOf('<') != -1 \|\| packageName.indexOf('>') != -1
	\|\| packageName.indexOf('=') != -1) {
	updateStatus(Messages.SpecfileNewWizardPage_26 + Messages.SpecfileNewWizardPage_27);
	return;
	}

	if (versionText.getText().indexOf("-") > -1) { //$NON-NLS-1$
	updateStatus(Messages.SpecfileNewWizardPage_28);
	return;
	}

	updateStatus(null);
	}

	protected void updateStatus(String message) {
	setErrorMessage(message);
	setPageComplete(message == null);
	}

	private void setDefaultValues() {
	nameText.setText(NAME);
	versionText.setText(VERSION);
	summaryText.setText(SUMMARY);
	groupCombo.setText(GROUP);
	licenseText.setText(LICENSE);
	urlText.setText(URL);
	source0Text.setText(SOURCE0);
	}

	private void populateTemplateCombo(Combo templateCombo) throws CoreException {
	// get a list of all files in a directory
	File dir = new File("/etc/rpmdevtools"); //$NON-NLS-1$
	String[] files = dir.list();
	if (dir.exists()) {
	String templateCSV = ""; //$NON-NLS-1$
	for (String file : files) {
	if (file.startsWith("spectemplate-")) { //$NON-NLS-1$
	templateCSV += file.split("-", 2)[1].replace(".spec", //$NON-NLS-1$ //$NON-NLS-2$
	"") //$NON-NLS-1$
	+ ","; //$NON-NLS-1$
	}
	}
	String[] templates = templateCSV.split(","); //$NON-NLS-1$
	for (String template : templates) {
	templateCombo.add(template);
	}
	templateCombo.setText(selectedTemplate);
	} else {
	throwCoreException(Messages.SpecfileNewWizardPage_29);
	}
	}

	private void populateGroupCombo(Combo groupsCombo) {
	List<String> rpmGroups = Activator.getDefault().getRpmGroups();
	for (String rpmGroup : rpmGroups) {
	groupsCombo.add(rpmGroup);
	}
	}

	private BufferedInputStream runRpmdevNewSpec(String template) {
	BufferedInputStream in = null;
	// Here we assuming that the rpmdevtools package is installed.
	try {
	in = org.eclipse.linuxtools.rpm.core.utils.Utils.runCommandToInputStream("rpmdev-newspec", "-o", "-", "-t", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
	template);
	} catch (IOException e) {
	// FIXME: rpmdev-newspec is not in the system $PATH, what should we
	// do here?.
	SpecfileLog.logError(e);
	}
	return in;
	}

	private void throwCoreException(String message) throws CoreException {
	IStatus status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.OK, message, null);
	throw new CoreException(status);
	}

	public Text getNameText() {
	return nameText;
	}

	public Text getProjectText() {
	return projectText;
	}

	public Text getVersionText() {
	return versionText;
	}

	public Text getUrlText() {
	return urlText;
	}

	public Text getLicenseText() {
	return licenseText;
	}

	public Text getSourceText() {
	return source0Text;
	}

	public Text getSummaryText() {
	return summaryText;
	}

	}