Java tutorial
/* * Copyright (c) All Rights Reserved. See details at the end of the file. */ package com.embedthis.ejs.ide.wizards; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; 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.action.IAction; 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.jface.wizard.WizardDialog; import org.eclipse.ui.INewWizard; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPage; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.IWorkbenchWindowActionDelegate; import org.eclipse.ui.PartInitException; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.ide.IDE; import com.embedthis.ejs.ide.core.EJScriptCompilerOptions; public class EJScriptNewBCWizard extends Wizard implements INewWizard, IWorkbenchWindowActionDelegate { private EJScriptNewBCWizardPage page; private ISelection selection; private IWorkbenchWindow window; public EJScriptNewBCWizard() { super(); setNeedsProgressMonitor(true); } public void addPages() { page = new EJScriptNewBCWizardPage(selection); addPage(page); } @Override 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; } /** * The worker method. It will find the container, create the * file if missing or just replace its contents, and open * the editor on the newly created file. */ private 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)); try { InputStream stream = openContentStream(fileName); if (file.exists()) { file.setContents(stream, true, true, monitor); } else { file.create(stream, true, monitor); } stream.close(); } catch (IOException e) { } monitor.worked(1); monitor.setTaskName("Opening file for editing..."); getShell().getDisplay().asyncExec(new Runnable() { public void run() { IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(); try { IDE.openEditor(page, file, true); } catch (PartInitException e) { } } }); monitor.worked(1); } /** * We will initialize file contents with a sample text. */ private InputStream openContentStream(String fileName) { String contents = "<?xm version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n" + "<bc>\n" + "<buildConfiguration name=\"" + fileName + "\">\n" + "<resource>ALL</resource>" + "<compilerOptions> " + EJScriptCompilerOptions.DEFAULT_COMPILER_OPTIONS + "</compilerOptions>\n" + "</buildConfiguration>\n</bc>\n"; return new ByteArrayInputStream(contents.getBytes()); } private void throwCoreException(String message) throws CoreException { IStatus status = new Status(IStatus.ERROR, "com.embedthis.ejs.ide", IStatus.OK, message, null); throw new CoreException(status); } /* * The following methods are used to invoke the wizard directly from * the New.. menu instead of having to go into the Other.. section. This * is done by implemention IWorkbenchWindowActionDelegate * (non-Javadoc) * @see org.eclipse.ui.IWorkbenchWizard#init(org.eclipse.ui.IWorkbench, org.eclipse.jface.viewers.IStructuredSelection) */ public void init(IWorkbench workbench, IStructuredSelection selection) { this.selection = selection; } public void init(IWorkbenchWindow window) { this.window = window; } public void selectionChanged(IAction action, ISelection selection) { } public void run(IAction action) { Wizard wizard = new EJScriptNewBCWizard(); WizardDialog dialog = new WizardDialog(window.getShell(), wizard); dialog.open(); } /* END IWorkbenchWindowActionDelegate methods */ } /* * @copy default * * Copyright (c) Embedthis Software LLC, 2003-2012. All Rights Reserved. * Copyright (c) Michael O'Brien, 1993-2012. All Rights Reserved. * * This software is distributed under commercial and open source licenses. * You may use the GPL open source license described below or you may acquire * a commercial license from Embedthis Software. You agree to be fully bound * by the terms of either license. Consult the LICENSE.TXT distributed with * this software for full details. * * This software is open source; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. See the GNU General Public License for more * details at: http://www.embedthis.com/downloads/gplLicense.html * * This program is distributed WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * This GPL license does NOT permit incorporating this software into * proprietary programs. If you are unable to comply with the GPL, you must * acquire a commercial license to use this software. Commercial licenses * for this software and support services are available from Embedthis * Software at http://www.embedthis.com * * Local variables: * tab-width: 4 * c-basic-offset: 4 * End: * vim: sw=4 ts=4 * * Local variables: tab-width: 4 c-basic-offset: 4 End: vim: sw=4 ts=4 expandtab @end */