| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.uima.taeconfigurator.wizards; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.PrintWriter; |
| import java.lang.reflect.InvocationTargetException; |
| |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspaceRoot; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| import org.eclipse.jface.viewers.ISelection; |
| 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.IWorkbenchPage; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.part.FileEditorInput; |
| |
| import org.apache.uima.taeconfigurator.InternalErrorCDE; |
| import org.apache.uima.taeconfigurator.TAEConfiguratorPlugin; |
| |
| /** |
| * Create a new file resource in the provided container. If the container resource (a folder or a |
| * project) is selected in the workspace when the wizard is opened, it will accept it as the target |
| * container. If a sample multi-page editor is registered for the same extension, it will be able to |
| * open it. |
| * |
| * Following Eclipse conventions, the new Wizard will actually create the resource in the file |
| * system and in the Eclipse resource space, with initial contents, and then open the resource with |
| * the CDE. |
| */ |
| |
| public abstract class AbstractNewWizard extends Wizard implements INewWizard { |
| |
| public final static String XMLNS_PART = "xmlns=\"http://uima.apache.org/resourceSpecifier\">\n"; |
| |
| protected AbstractNewWizardPage page; |
| |
| protected ISelection selection; |
| |
| private String windowTitle; |
| |
| public AbstractNewWizard(String windowTitle) { |
| super(); |
| setDialogSettings(TAEConfiguratorPlugin.getDefault().getDialogSettings()); |
| setNeedsProgressMonitor(true); |
| setForcePreviousAndNextButtons(false); |
| this.windowTitle = windowTitle; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.wizard.Wizard#performFinish() |
| */ |
| /** |
| * Called when 'Finish' button is pressed in the wizard. Create an operation and run it using |
| * wizard as execution context. |
| */ |
| public boolean performFinish() { |
| final String containerName = page.getContainerName(); |
| final String fileName = page.getFileName(); |
| IRunnableWithProgress op = new IRunnableWithProgress() { |
| public void run(IProgressMonitor monitor) throws InvocationTargetException { |
| try { |
| doFinish(containerName, fileName, monitor); |
| } catch (CoreException e) { |
| throw new InvocationTargetException(e); |
| } finally { |
| monitor.done(); |
| } |
| } |
| }; |
| try { |
| getContainer().run(true, false, op); |
| } catch (InterruptedException e) { |
| return false; |
| } catch (InvocationTargetException e) { |
| Throwable realException = e.getTargetException(); |
| MessageDialog.openError(getShell(), "Error", realException.getMessage()); |
| return false; |
| } |
| return true; |
| } |
| |
| public abstract String getPrototypeDescriptor(String name); |
| |
| void doFinish(String containerName, String fileName, IProgressMonitor monitor) |
| throws CoreException { |
| // create a sample file |
| monitor.beginTask("Creating " + fileName, 2); |
| IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot(); |
| IResource resource = root.findMember(new Path(containerName)); |
| if (!resource.exists() || !(resource instanceof IContainer)) { |
| throwCoreException("Container \"" + containerName + "\" does not exist."); |
| } |
| IContainer container = (IContainer) resource; |
| final IFile file = container.getFile(new Path(fileName)); |
| if (file.exists()) { |
| throwCoreException("New Wizard creating file '" + fileName + "', but it already exists."); |
| } else { |
| int indexOfXml = file.getName().toLowerCase().indexOf(".xml"); |
| String name = (indexOfXml > 0) ? file.getName().substring(0, indexOfXml) : file.getName(); |
| String descriptor = getPrototypeDescriptor(name); |
| |
| PrintWriter printWriter = null; |
| FileOutputStream fileOutputStream = null; |
| InputStream stream = null; |
| |
| try { |
| try { |
| fileOutputStream = new FileOutputStream(file.getLocation().toOSString()); |
| } catch (FileNotFoundException e) { |
| throw new InternalErrorCDE("unexpected Exception", e); |
| } |
| printWriter = new PrintWriter(fileOutputStream); |
| printWriter.println(descriptor); |
| } finally { |
| if (null != printWriter) |
| printWriter.close(); |
| if (null != fileOutputStream) |
| try { |
| fileOutputStream.close(); |
| } catch (IOException e1) { |
| } |
| } |
| |
| stream = new ByteArrayInputStream(descriptor.getBytes()); |
| file.create(stream, true, monitor); |
| try { |
| stream.close(); |
| } catch (IOException e1) { |
| } |
| } |
| |
| monitor.worked(1); |
| monitor.setTaskName("Starting editor for new descriptor..."); |
| getShell().getDisplay().asyncExec(new Runnable() { |
| public void run() { |
| IWorkbenchPage page1 = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(); |
| try { |
| page1.openEditor(new FileEditorInput(file), "taeconfigurator.editors.MultiPageEditor"); |
| } catch (PartInitException e) { |
| } |
| } |
| }); |
| monitor.worked(2); |
| } |
| |
| private void throwCoreException(String message) throws CoreException { |
| IStatus status = new Status(IStatus.ERROR, "DescEditor", IStatus.OK, message, null); |
| throw new CoreException(status); |
| } |
| |
| public void init(IWorkbench workbench, IStructuredSelection pSelection) { |
| selection = pSelection; |
| setWindowTitle(windowTitle); |
| } |
| |
| } |