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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.ejb.provider;
import java.util.Collections;
import java.util.List;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.jst.j2ee.ejb.AssemblyDescriptor;
import org.eclipse.jst.j2ee.ejb.CMPAttribute;
import org.eclipse.jst.j2ee.ejb.EJBJar;
import org.eclipse.jst.j2ee.ejb.EnterpriseBean;
import org.eclipse.jst.j2ee.ejb.MethodPermission;
import org.eclipse.jst.j2ee.ejb.internal.impl.EjbFactoryImpl;
public class MethodPermissionsContentProvider extends AbstractMethodsContentProvider {
private static final EStructuralFeature PERMISSION_MES_SF = EjbFactoryImpl.getPackage().getMethodPermission_MethodElements();
private static final EStructuralFeature PERMISSION_MES_UNCHECKED_SF = EjbFactoryImpl.getPackage().getMethodPermission_Unchecked();
private static final EStructuralFeature PERMISSION_MES_ROLES_SF = EjbFactoryImpl.getPackage().getMethodPermission_Roles();
private static final EStructuralFeature AD_MP_SF = EjbFactoryImpl.getPackage().getAssemblyDescriptor_MethodPermissions();
/**
* Constructor for MethodPermissionsContentProvider.
*
* @param adapterFactory
* @param root
* @param viewer
*/
public MethodPermissionsContentProvider(AdapterFactory adapterFactory, boolean root) {
super(adapterFactory, root);
}
/**
* Constructor for MethodPermissionsContentProvider.
*
* @param adapterFactory
*/
public MethodPermissionsContentProvider(AdapterFactory adapterFactory) {
super(adapterFactory);
}
/*
* @see ITreeContentProvider#getChildren(Object)
*/
@Override
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof MethodPermission)
return getEnterpriseBeans((MethodPermission) parentElement);
return super.getChildren(parentElement);
}
protected Object[] getEnterpriseBeans(MethodPermission mp) {
List mes = mp.getMethodElements();
return getEnterpriseBeans(mp, mes);
}
/*
* @see AbstractMethodsContentProvider#getMethodElements(EObject, EnterpriseBean)
*/
@Override
protected List getMethodElements(EObject aRefObject, EnterpriseBean anEJB) {
if (aRefObject == null || !(aRefObject instanceof MethodPermission))
return Collections.EMPTY_LIST;
MethodPermission parentMP = (MethodPermission) aRefObject;
return parentMP.getMethodElements(anEJB);
}
/*
* @see IStructuredContentProvider#getElements(Object)
*/
@Override
public Object[] getElements(Object inputElement) {
super.getElements(inputElement);
if (inputElement instanceof EJBJar) {
EJBJar jar = (EJBJar) inputElement;
if (jar.getAssemblyDescriptor() != null)
return jar.getAssemblyDescriptor().getMethodPermissions().toArray();
}
if (inputElement instanceof AssemblyDescriptor)
return ((AssemblyDescriptor) inputElement).getMethodPermissions().toArray();
return new Object[0];
}
/*
* @see ITreeContentProvider#hasChildren(Object)
*/
@Override
public boolean hasChildren(Object element) {
if (element instanceof MethodPermission)
return !((MethodPermission) element).getMethodElements().isEmpty();
return super.hasChildren(element);
}
/*
* @see AbstractMethodsContentProvider#getMethodElementsReference()
*/
@Override
protected EStructuralFeature getMethodElementsReference() {
return PERMISSION_MES_SF;
}
/**
* @see org.eclipse.jst.j2ee.internal.internal.ejb.ui.providers.AbstractMethodsContentProvider#getMethodElementsContainerReference()
*/
@Override
protected EStructuralFeature getMethodElementsContainerReference() {
return AD_MP_SF;
}
/**
* @see org.eclipse.emf.edit.provider.INotifyChangedListener#notifyChanged(Notification)
*/
@Override
public void notifyChanged(Notification notification) {
if (notification.getFeature() == PERMISSION_MES_SF || notification.getFeature() == AD_MP_SF)
refreshTreeViewer();
else if (notification.getOldValue() instanceof CMPAttribute && notification.getNewValue() == null)
return;
if (notification.getFeature() == PERMISSION_MES_UNCHECKED_SF || notification.getFeature() == PERMISSION_MES_ROLES_SF || notification.getFeature() == getMethodElementsReference() || notification.getFeature() == getMethodElementsContainerReference())
super.notifyChanged(notification);
}
}
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