Java tutorial
/****************************************************************************** * Copyright (c) 2011-2013, Linagora * * 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: * Linagora - initial API and implementation *******************************************************************************/ package com.ebmwebsourcing.petals.components.drivers; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.lang.reflect.InvocationTargetException; import java.net.URI; import java.net.URL; import java.util.HashMap; import java.util.HashSet; import java.util.Map; import java.util.Set; import org.eclipse.bpel.common.wsdl.helpers.UriAndUrlHelper; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.emf.ecore.EStructuralFeature; import org.eclipse.emf.ecore.util.FeatureMap; import org.eclipse.emf.ecore.util.FeatureMapUtil; import org.eclipse.emf.ecore.xmi.XMLResource; import org.eclipse.emf.ecore.xmi.impl.ElementHandlerImpl; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.wizard.Wizard; import org.eclipse.ui.INewWizard; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.actions.WorkspaceModifyOperation; import com.ebmwebsourcing.petals.common.internal.provisional.emf.InvalidJbiXmlException; import com.ebmwebsourcing.petals.common.internal.provisional.utils.ArchiveUtils; import com.ebmwebsourcing.petals.common.internal.provisional.utils.IoUtils; import com.ebmwebsourcing.petals.common.internal.provisional.utils.JbiXmlUtils; import com.ebmwebsourcing.petals.components.PetalsComponentsPlugin; import com.sun.java.xml.ns.jbi.Jbi; import com.sun.java.xml.ns.jbi.JbiFactory; import com.sun.java.xml.ns.jbi.SharedLibraryType1; /** * A wizard to configure a zipped component with one or several shared libraries. * @author Vincent Zurczak - EBM WebSourcing */ public class ComponentConfigurationWizard extends Wizard implements INewWizard { private ComponentConfigurationWizardPage page; /** * Constructor. */ public ComponentConfigurationWizard() { setNeedsProgressMonitor(true); setWindowTitle("Configured Component"); } /* * (non-Jsdoc) * @see org.eclipse.jface.wizard.Wizard * #addPages() */ @Override public void addPages() { this.page = new ComponentConfigurationWizardPage(); addPage(this.page); } /* (non-Jsdoc) * @see org.eclipse.jface.wizard.Wizard * #performFinish() */ @Override public boolean performFinish() { WorkspaceModifyOperation op = new WorkspaceModifyOperation() { @Override protected void execute(IProgressMonitor monitor) throws CoreException, InvocationTargetException, InterruptedException { try { doFinish(monitor); } catch (Exception e) { throw new InvocationTargetException(e); } finally { monitor.done(); } } }; try { getContainer().run(true, false, op); MessageDialog.openInformation(getShell(), "Success", "The configuration completed successfully."); } catch (InterruptedException e) { return false; } catch (InvocationTargetException e) { PetalsComponentsPlugin.log(e, IStatus.ERROR); Throwable realException = e.getTargetException(); MessageDialog.openError(getShell(), "Error", realException.getMessage()); return false; } return true; } /** * @param monitor * @throws IOException * @throws InvalidJbiXmlException */ private void doFinish(IProgressMonitor monitor) throws IOException, InvalidJbiXmlException { monitor.beginTask("Configuring the component...", 8); // Copy the file on the disk? boolean isTempFile = false; File originalFile; URI uri = UriAndUrlHelper.urlToUri(this.page.getComponentUrl()); try { originalFile = new File(uri); } catch (Exception e1) { // Remote file, copy it on the disk isTempFile = true; monitor.subTask("Copying the component for configuration..."); URL url = uri.toURL(); InputStream is = url.openStream(); originalFile = File.createTempFile("petals-", ".zip"); IoUtils.copyStream(is, originalFile); monitor.worked(2); } // Update the jbi.xml file to reference the right shared-libraries monitor.subTask("Parsing the JBI descriptor..."); Jbi jbi = JbiXmlUtils.getJbiXmlModel(originalFile.toURI()); if (jbi != null && jbi.getComponent() != null) { Set<String> slAlreadyIn = new HashSet<String>(); for (SharedLibraryType1 sl : jbi.getComponent().getSharedLibrary()) { FeatureMap featureMap = sl.getMixed(); for (int j = 0; j < featureMap.size(); j++) { EStructuralFeature esf = featureMap.getEStructuralFeature(j); if (FeatureMapUtil.isText(esf)) { String slName = featureMap.getValue(j).toString().trim(); slAlreadyIn.add(slName); } } } for (Map.Entry<String, String> entry : this.page.getSlNameToVersion().entrySet()) { if (slAlreadyIn.contains(entry.getKey())) continue; SharedLibraryType1 sl = JbiFactory.eINSTANCE.createSharedLibraryType1(); sl.setVersion(entry.getValue()); FeatureMapUtil.addText(sl.getMixed(), entry.getKey()); jbi.getComponent().getSharedLibrary().add(sl); } } else { IOException e = new IOException("The jbi.xml file is not the one of a component project."); PetalsComponentsPlugin.log(e, IStatus.ERROR); throw e; } // Save the jbi.xml file monitor.subTask("Updating the archive..."); monitor.worked(2); Map<Object, Object> saveOptions = new HashMap<Object, Object>(); saveOptions.put(XMLResource.OPTION_ELEMENT_HANDLER, new ElementHandlerImpl(false)); ByteArrayOutputStream os = new ByteArrayOutputStream(); jbi.eResource().save(os, saveOptions); monitor.worked(2); // Create the final archive ArchiveUtils.copyAndUpdatePetalsArchive(originalFile, new File(this.page.getOutputLocation()), new ByteArrayInputStream(os.toString().getBytes())); monitor.worked(2); // Delete the temporary file if (isTempFile && !originalFile.delete()) originalFile.deleteOnExit(); } /* * (non-Jsdoc) * @see org.eclipse.ui.IWorkbenchWizard * #init(org.eclipse.ui.IWorkbench, org.eclipse.jface.viewers.IStructuredSelection) */ @Override public void init(IWorkbench workbench, IStructuredSelection selection) { // nothing } }