Java tutorial
/******************************************************************************* * Copyright (c) 2008 SAP AG and others. * 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: * Kaloyan Raev, kaloyan.raev@sap.com - initial API and implementation *******************************************************************************/ package org.eclipse.jst.servlet.ui.internal.wizard; import static org.eclipse.jst.j2ee.internal.common.operations.INewJavaClassDataModelProperties.CLASS_NAME; import static org.eclipse.jst.j2ee.internal.common.operations.INewJavaClassDataModelProperties.JAVA_PACKAGE; import static org.eclipse.jst.j2ee.internal.common.operations.INewJavaClassDataModelProperties.OPEN_IN_EDITOR; import static org.eclipse.jst.j2ee.internal.common.operations.INewJavaClassDataModelProperties.PROJECT; import static org.eclipse.jst.j2ee.internal.common.operations.INewJavaClassDataModelProperties.QUALIFIED_CLASS_NAME; import static org.eclipse.jst.j2ee.internal.common.operations.INewJavaClassDataModelProperties.JAVA_SOURCE_FOLDER; import static org.eclipse.jst.j2ee.internal.web.operations.INewWebClassDataModelProperties.USE_EXISTING_CLASS; import java.net.URL; import org.eclipse.core.resources.IContainer; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IFolder; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.runtime.Path; import org.eclipse.jdt.core.ICompilationUnit; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.IPackageFragment; import org.eclipse.jdt.core.IPackageFragmentRoot; import org.eclipse.jdt.core.IType; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jst.j2ee.internal.common.operations.JavaModelUtil; import org.eclipse.jst.j2ee.internal.plugin.J2EEEditorUtility; import org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin; import org.eclipse.jst.servlet.ui.internal.plugin.ServletUIPlugin; import org.eclipse.ui.IWorkbenchPage; import org.eclipse.ui.PartInitException; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.ide.IDE; import org.eclipse.wst.common.componentcore.ComponentCore; import org.eclipse.wst.common.componentcore.resources.IVirtualComponent; import org.eclipse.wst.common.frameworks.datamodel.IDataModel; public abstract class NewWebArtifactWizard extends NewWebWizard { protected static final String PAGE_ONE = "pageOne"; //$NON-NLS-1$ protected static final String PAGE_TWO = "pageTwo"; //$NON-NLS-1$ protected static final String PAGE_THREE = "pageThree"; //$NON-NLS-1$ public NewWebArtifactWizard(IDataModel model) { super(model); setWindowTitle(getTitle()); setDefaultPageImageDescriptor(getImage()); } @Override protected boolean runForked() { return false; } @Override public boolean canFinish() { return getDataModel().isValid(); } protected abstract String getTitle(); protected abstract ImageDescriptor getImage(); protected ImageDescriptor getImageFromJ2EEPlugin(String key) { URL url = (URL) J2EEPlugin.getDefault().getImage(key); return ImageDescriptor.createFromURL(url); } protected void openJavaClass() { try { String className; if (getDataModel().getBooleanProperty(USE_EXISTING_CLASS)) { className = getDataModel().getStringProperty(CLASS_NAME); } else { className = getDataModel().getStringProperty(QUALIFIED_CLASS_NAME); } IProject p = (IProject) getDataModel().getProperty(PROJECT); IJavaProject javaProject = J2EEEditorUtility.getJavaProject(p); IType type = javaProject.findType(className); IFile file = null; if (type != null) { file = (IFile) type.getResource(); } else if (!getDataModel().getBooleanProperty(USE_EXISTING_CLASS)) { // If we could not find the type, the class might be in a folder that is not part of the build path. // Let's look for it using the class name and source folder (this does not work when using existing class, but // should not be a problem, because the wizard to select the existing class will not let you select class that // is not in the build path) IFolder sourceFolder = (IFolder) getDataModel().getProperty(JAVA_SOURCE_FOLDER); String packageName = getDataModel().getStringProperty(JAVA_PACKAGE); IPackageFragmentRoot packageFragmentRoot = javaProject.getPackageFragmentRoot(sourceFolder); IPackageFragment packageFragment = null; if (packageFragmentRoot != null) { packageFragment = packageFragmentRoot.getPackageFragment(packageName); } if (packageFragment != null) { ICompilationUnit cu = packageFragment.getCompilationUnit( getDataModel().getStringProperty(CLASS_NAME) + JavaModelUtil.DEFAULT_CU_SUFFIX); IResource resource = cu.getResource(); if (resource.exists() && resource instanceof IFile) { file = (IFile) resource; } } } if (file != null) { openEditor(file); } } catch (Exception cantOpen) { ServletUIPlugin.log(cantOpen); } } protected void openWebFile() { try { String className = getDataModel().getStringProperty(CLASS_NAME); IProject p = (IProject) getDataModel().getProperty(PROJECT); IVirtualComponent component = ComponentCore.createComponent(p); IContainer webContent = component.getRootFolder().getUnderlyingFolder(); IFile file = webContent.getFile(new Path(className)); openEditor(file); } catch (Exception cantOpen) { ServletUIPlugin.log(cantOpen); } } protected void openEditor(final IFile file) { if (getDataModel().getBooleanProperty(OPEN_IN_EDITOR)) { if (file != null) { getShell().getDisplay().asyncExec(new Runnable() { public void run() { try { IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow() .getActivePage(); IDE.openEditor(page, file, true); } catch (PartInitException e) { ServletUIPlugin.log(e); } } }); } } } }