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/*******************************************************************************
* Copyright (c) 2010 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Contributors:
* Oracle - initial API and implementation
*******************************************************************************/
package org.eclipse.jpt.jaxb.ui.internal.wizards.schemagen;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.resources.WorkspaceJob;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.jpt.jaxb.core.internal.SchemaGenerator;
import org.eclipse.jpt.jaxb.ui.JptJaxbUiIcons;
import org.eclipse.jpt.jaxb.ui.JptJaxbUiPlugin;
import org.eclipse.jpt.jaxb.ui.internal.JptJaxbUiMessages;
import org.eclipse.jpt.jaxb.ui.internal.wizards.ProjectWizardPage;
import org.eclipse.jpt.utility.internal.ArrayTools;
import org.eclipse.jpt.utility.internal.FileTools;
import org.eclipse.osgi.util.NLS;
import org.eclipse.ui.IExportWizard;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
public class SchemaGeneratorWizard extends Wizard implements IExportWizard {
protected IStructuredSelection selection;
private ProjectWizardPage javaProjectWizardPage;
protected SchemaGeneratorWizardPage schemaGenWizardPage;
public static final String XSD_EXTENSION = ".xsd"; //$NON-NLS-1$
// ********** constructor **********
public SchemaGeneratorWizard() {
super();
}
// ********** IWorkbenchWizard implementation **********
public void init(IWorkbench workbench, IStructuredSelection selection) {
this.selection = this.getValidSelection();
this.setWindowTitle(JptJaxbUiMessages.SchemaGeneratorWizard_title);
this.setDefaultPageImageDescriptor(JptJaxbUiPlugin.getImageDescriptor(JptJaxbUiIcons.SCHEMA_GEN_WIZ_BANNER));
this.setNeedsProgressMonitor(true);
}
// ********** IWizard implementation **********
@Override
public void addPages() {
super.addPages();
if(this.selection.isEmpty()) {
this.javaProjectWizardPage = new ProjectWizardPage();
this.javaProjectWizardPage.setTitle(JptJaxbUiMessages.SchemaGeneratorProjectWizardPage_title);
this.addPage(this.javaProjectWizardPage);
}
this.schemaGenWizardPage = new SchemaGeneratorWizardPage(this.selection);
this.addPage(this.schemaGenWizardPage);
}
@Override
public boolean performFinish() {
IJavaProject javaProject = this.getJavaProject();
String[] sourceClassNames = this.buildSourceClassNames(this.getAllCheckedItems());
WorkspaceJob genSchemaJob = new GenerateSchemaJob(
javaProject,
sourceClassNames,
this.getTargetSchema(),
this.usesMoxy());
genSchemaJob.schedule();
return true;
}
// ********** internal methods **********
private String getTargetSchema() {
String targetSchema = this.schemaGenWizardPage.getSchemaPath();
if ( ! FileTools.extension(targetSchema).equalsIgnoreCase(XSD_EXTENSION)) {
targetSchema += XSD_EXTENSION;
}
return targetSchema;
}
private IJavaProject getJavaProject() {
return this.schemaGenWizardPage.getJavaProject();
}
private boolean usesMoxy() {
return this.schemaGenWizardPage.usesMoxy();
}
private Object[] getAllCheckedItems() {
return this.schemaGenWizardPage.getAllCheckedItems();
}
private String[] buildSourceClassNames(Object[] checkedElements) {
ArrayList<String> classNames = new ArrayList<String>();
for(Object element: checkedElements) {
IJavaElement javaElement = (IJavaElement)element;
String packageName = javaElement.getParent().getElementName();
String elementName = javaElement.getElementName();
String className = FileTools.stripExtension(elementName);
classNames.add(packageName + '.' + className);
}
return ArrayTools.array(classNames, new String[0]);
}
/**
* Gets the current workspace page selection and converts it to a valid
* selection for this wizard.
* Valid selections:
* - Java projects
* - Source package fragments
* all other input elements are ignored
*
* @return a valid structured selection based on the current selection
*/
private IStructuredSelection getValidSelection() {
ISelection currentSelection = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService().getSelection();
if(currentSelection instanceof IStructuredSelection) {
IStructuredSelection structuredSelection = (IStructuredSelection) currentSelection;
List<IAdaptable> selectedElements = new ArrayList<IAdaptable>(structuredSelection.size());
Iterator<?> i = structuredSelection.iterator();
while(i.hasNext()) {
Object selectedElement = i.next();
if(selectedElement instanceof IProject) {
this.addProject(selectedElements, (IProject)selectedElement);
}
else if(selectedElement instanceof IJavaElement) {
this.addJavaElement(selectedElements, (IJavaElement)selectedElement);
}
}
return new StructuredSelection(selectedElements);
}
return StructuredSelection.EMPTY;
}
private void addJavaElement(List<IAdaptable> selectedElements, IJavaElement javaElement) {
if(javaElement.getElementType() == IJavaElement.PACKAGE_FRAGMENT) {
if( ! isInArchiveOrExternal(javaElement))
selectedElements.add(javaElement);
}
}
private void addProject(List<IAdaptable> selectedElements, IProject project) {
try {
if(project.hasNature(JavaCore.NATURE_ID))
selectedElements.add(JavaCore.create(project));
}
catch(CoreException ex) {
// ignore selected element
}
}
private static boolean isInArchiveOrExternal(IJavaElement element) {
IPackageFragmentRoot root = (IPackageFragmentRoot) element.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
return root != null && (root.isArchive() || root.isExternal());
}
// ********** generate schema job **********
static class GenerateSchemaJob extends WorkspaceJob {
private final IJavaProject javaProject;
private final String[] sourceClassNames;
private final String targetSchema;
private final boolean useMoxy;
GenerateSchemaJob(IJavaProject project, String[] sourceClassNames, String targetSchema, boolean useMoxy) {
super(JptJaxbUiMessages.SchemaGeneratorWizard_generatingSchema);
this.javaProject = project ;
this.sourceClassNames = sourceClassNames;
this.targetSchema = targetSchema;
this.useMoxy = useMoxy;
this.setRule(ResourcesPlugin.getWorkspace().getRuleFactory().modifyRule(this.javaProject.getProject()));
}
@Override
public IStatus runInWorkspace(IProgressMonitor monitor) throws CoreException {
SubMonitor sm = SubMonitor.convert(monitor, NLS.bind(JptJaxbUiMessages.SchemaGeneratorWizard_generateSchemaTask, this.targetSchema), 1);
try {
SchemaGenerator.generate(this.javaProject, this.targetSchema, this.sourceClassNames, this.useMoxy, sm.newChild(1));
}
catch (OperationCanceledException e) {
return Status.CANCEL_STATUS;
}
return Status.OK_STATUS;
}
}
}
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