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/*******************************************************************************
* Copyright (c) 2003, 2005 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.j2ee.internal.actions;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.content.IContentType;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.jem.java.JavaClass;
import org.eclipse.jem.util.emf.workbench.ProjectUtilities;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jst.j2ee.commonarchivecore.internal.ModuleFile;
import org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveOptions;
import org.eclipse.jst.j2ee.commonarchivecore.internal.util.ArchiveUtil;
import org.eclipse.jst.j2ee.ejb.EJBJar;
import org.eclipse.jst.j2ee.ejb.EnterpriseBean;
import org.eclipse.jst.j2ee.ejb.componentcore.util.EJBArtifactEdit;
import org.eclipse.jst.j2ee.internal.componentcore.ComponentArchiveOptions;
import org.eclipse.jst.j2ee.internal.ejb.provider.J2EEJavaClassProviderHelper;
import org.eclipse.jst.j2ee.internal.plugin.J2EEEditorUtility;
import org.eclipse.jst.j2ee.internal.plugin.J2EEUIMessages;
import org.eclipse.jst.j2ee.web.componentcore.util.WebArtifactEdit;
import org.eclipse.jst.j2ee.webapplication.Servlet;
import org.eclipse.jst.j2ee.webapplication.WebApp;
import org.eclipse.jst.j2ee.webservice.wsdd.BeanLink;
import org.eclipse.jst.j2ee.webservice.wsdd.EJBLink;
import org.eclipse.jst.j2ee.webservice.wsdd.ServletLink;
import org.eclipse.ui.IEditorDescriptor;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IEditorRegistry;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.part.ISetSelectionTarget;
import org.eclipse.wst.common.componentcore.internal.util.ComponentUtilities;
import org.eclipse.wst.common.componentcore.resources.IVirtualComponent;
import org.eclipse.wst.common.internal.emfworkbench.WorkbenchResourceHelper;
/**
* Action for opening a J2EE resource from the J2EE navigator.
*/
public class OpenJ2EEResourceAction extends AbstractOpenAction {
public static final String ID = "org.eclipse.jst.j2ee.internal.internal.ui.actions.OpenJ2EEResourceAction"; //$NON-NLS-1$
public static final String JAVA_EDITOR_ID = "org.eclipse.jst.j2ee.internal.internal.ejb.ui.java.EnterpriseBeanJavaEditor"; //$NON-NLS-1$
public static final String BASE_JAVA_EDITOR_ID = "org.eclipse.jdt.ui.CompilationUnitEditor"; //$NON-NLS-1$
protected static IEditorDescriptor javaEditorDescriptor;
protected static IEditorDescriptor baseJavaEditorDescriptor;
/**
* Create an instance of this class
*/
public OpenJ2EEResourceAction() {
super("Open"); //$NON-NLS-1$
}
/**
* Returns the action ID.
*/
public String getID() {
return ID;
}
public static IEditorDescriptor getJavaEditorDescriptor() {
if (javaEditorDescriptor == null)
javaEditorDescriptor = findEditorDescriptor(JAVA_EDITOR_ID);
return javaEditorDescriptor;
}
public static IEditorDescriptor getBaseJavaEditorDescriptor() {
if (baseJavaEditorDescriptor == null)
baseJavaEditorDescriptor = findEditorDescriptor(BASE_JAVA_EDITOR_ID);
return baseJavaEditorDescriptor;
}
protected void openAppropriateEditor(IVirtualComponent c){
if (c == null){
return;
}
IWorkbenchPage page = null;
IEditorPart editor = null;
try {
page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
editor = page.openEditor(new ComponentEditorInput(c), currentDescriptor.getId());
if (editor instanceof ISetSelectionTarget)
((ISetSelectionTarget) editor).selectReveal(getStructuredSelection());
} catch (Exception e) {
MessageDialog.openError(page.getWorkbenchWindow().getShell(), J2EEUIMessages.getResourceString("Problems_Opening_Editor_ERROR_"), e.getMessage()); //$NON-NLS-1$ = "Problems Opening Editor"
}
}
/**
* open the appropriate editor
*/
protected void openAppropriateEditor(IResource r) {
if (r == null)
return;
IWorkbenchPage page = null;
IEditorPart editor = null;
try {
page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
editor = page.openEditor(new FileEditorInput((IFile) r), currentDescriptor.getId());
if (editor instanceof ISetSelectionTarget)
((ISetSelectionTarget) editor).selectReveal(getStructuredSelection());
} catch (Exception e) {
MessageDialog.openError(page.getWorkbenchWindow().getShell(), J2EEUIMessages.getResourceString("Problems_Opening_Editor_ERROR_"), e.getMessage()); //$NON-NLS-1$ = "Problems Opening Editor"
}
}
/**
* The user has invoked this action
*/
public void run() {
if (!isEnabled())
return;
if (srcObject instanceof J2EEJavaClassProviderHelper) {
((J2EEJavaClassProviderHelper) srcObject).openInEditor();
return;
}
if (srcObject instanceof EObject) {
EObject ro = (EObject) srcObject;
IProject p = ProjectUtilities.getProject(ro);
if (ro instanceof BeanLink) {
openBeanLinkInJavaEditor((BeanLink) ro, p);
return;
}
IResource resource = WorkbenchResourceHelper.getFile((EObject)srcObject);
if(resource != null){
openAppropriateEditor(resource);
} else {
ModuleFile moduleFile = ArchiveUtil.getModuleFile(ro);
ArchiveOptions options = moduleFile.getOptions();
if(options instanceof ComponentArchiveOptions) {
IVirtualComponent component = ((ComponentArchiveOptions)options).getComponent();
openAppropriateEditor(component);
}
}
}
else if (srcObject instanceof Resource)
openAppropriateEditor(WorkbenchResourceHelper.getFile((Resource)srcObject));
}
/**
* The structured selection has changed in the workbench. Subclasses should override this method
* to react to the change. Returns true if the action should be enabled for this selection, and
* false otherwise.
*
* When this method is overridden, the super method must always be invoked. If the super method
* returns false, this method must also return false.
*
* @param sel the new structured selection
*/
public boolean updateSelection(IStructuredSelection s) {
if (!super.updateSelection(s))
return false;
// Make sure this is one of the selections we can handle,
// then set the source object as is. The run() will do the hard stuff.
Object obj = s.getFirstElement();
if (obj instanceof J2EEJavaClassProviderHelper)
currentDescriptor = getJavaEditorDescriptor();
else if (obj instanceof BeanLink)
currentDescriptor = getBaseJavaEditorDescriptor();
else if (obj instanceof EObject) {
IEditorRegistry registry = PlatformUI.getWorkbench().getEditorRegistry();
IFile file = WorkbenchResourceHelper.getFile((EObject)obj);
if(file != null) {
IContentType contentType = IDE.getContentType(file);
currentDescriptor = registry.getDefaultEditor(file.getName(), contentType);
} else {
String name = (new Path(((EObject)obj).eResource().getURI().toString())).lastSegment();
currentDescriptor = registry.getDefaultEditor(name, null);
}
}
else if (obj instanceof Resource) {
IEditorRegistry registry = PlatformUI.getWorkbench().getEditorRegistry();
IFile file = WorkbenchResourceHelper.getFile((Resource)obj);
IContentType contentType = IDE.getContentType(file);
currentDescriptor = registry.getDefaultEditor(file.getName(), contentType);
}
else {
currentDescriptor = null;
return false;
}
setAttributesFromDescriptor();
srcObject = obj;
return true;
}
/**
* @param link
*/
private void openBeanLinkInJavaEditor(BeanLink link, IProject p) {
String linkName = null;
JavaClass javaClass = null;
IVirtualComponent comp = ComponentUtilities.findComponent(link);
// Handle EJB Link case
if (link instanceof EJBLink) {
linkName = ((EJBLink) link).getEjbLink();
EJBArtifactEdit artifactEdit = null;
try {
artifactEdit = EJBArtifactEdit.getEJBArtifactEditForRead(comp);
EJBJar ejbJar = artifactEdit.getEJBJar();
if (ejbJar == null)
return;
EnterpriseBean bean = ejbJar.getEnterpriseBeanNamed(linkName);
if (bean == null)
return;
javaClass = bean.getEjbClass();
} finally {
if (artifactEdit!=null)
artifactEdit.dispose();
}
}
// Handle Servlet Link case
else {
linkName = ((ServletLink) link).getServletLink();
WebArtifactEdit artifactEdit = null;
try {
artifactEdit = WebArtifactEdit.getWebArtifactEditForRead(comp);
WebApp webApp = artifactEdit.getWebApp();
if (webApp == null)
return;
Servlet servlet = webApp.getServletNamed(linkName);
if (servlet == null)
return;
javaClass = servlet.getServletClass();
} finally {
if (artifactEdit!=null)
artifactEdit.dispose();
}
}
// Open java editor on the selected objects associated java file
try {
J2EEEditorUtility.openInEditor(javaClass, p);
} catch (Exception cantOpen) {
cantOpen.printStackTrace();
}
}
protected EObject getRootObject(Object obj) {
if (obj instanceof EObject) {
EObject refObj = (EObject) obj;
while (refObj != null && refObj.eContainer() != null)
refObj = refObj.eContainer();
return refObj;
}
return null;
}
}
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