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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.provider;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jst.j2ee.ejb.ExcludeList;
import org.eclipse.jst.j2ee.ejb.MethodPermission;
import org.eclipse.jst.j2ee.ejb.MethodTransaction;
import org.eclipse.jst.j2ee.ejb.internal.impl.EjbFactoryImpl;
import org.eclipse.jst.j2ee.internal.ejb.provider.AbstractMethodsContentProvider;
import org.eclipse.jst.j2ee.internal.ejb.provider.ExcludeListContentProvider;
import org.eclipse.jst.j2ee.internal.ejb.provider.MethodPermissionsContentProvider;
import org.eclipse.jst.j2ee.internal.ejb.provider.MethodTransactionContentProvider;
public class MethodsProviderDelegate implements ITreeContentProvider {
protected ExcludeListContentProvider excludeListContentProvider;
protected MethodPermissionsContentProvider methodPermissionsContentProvider;
protected MethodTransactionContentProvider methodTransactionContentProvider;
protected static EObject EL_META = EjbFactoryImpl.getPackage().getExcludeList();
protected static EObject MP_META = EjbFactoryImpl.getPackage().getMethodPermission();
protected static EObject MT_META = EjbFactoryImpl.getPackage().getMethodTransaction();
public static boolean providesContentFor(Object object) {
return object instanceof AbstractMethodsContentProvider.EJBMethodItem || object instanceof MethodPermission || object instanceof MethodTransaction || object instanceof ExcludeList;
}
public MethodsProviderDelegate(AdapterFactory adapterFactory) {
super();
excludeListContentProvider = new ExcludeListContentProvider(adapterFactory, false);
methodPermissionsContentProvider = new MethodPermissionsContentProvider(adapterFactory, false);
methodTransactionContentProvider = new MethodTransactionContentProvider(adapterFactory, false);
}
/**
* @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose()
*/
public void dispose() {
if (excludeListContentProvider != null)
excludeListContentProvider.dispose();
if (methodPermissionsContentProvider != null)
methodPermissionsContentProvider.dispose();
if (methodTransactionContentProvider != null)
methodTransactionContentProvider.dispose();
}
public AbstractMethodsContentProvider getContentProvider(Object object) {
EObject metaClass = null;
if (object instanceof AbstractMethodsContentProvider.EJBMethodItem)
metaClass = ((AbstractMethodsContentProvider.EJBMethodItem) object).refObject.eClass();
else
metaClass = ((EObject) object).eClass();
if (metaClass == EL_META)
return excludeListContentProvider;
else if (metaClass == MP_META)
return methodPermissionsContentProvider;
else if (metaClass == MT_META)
return methodTransactionContentProvider;
return null;
}
/**
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(Viewer, Object, Object)
*/
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
excludeListContentProvider.inputChanged(viewer, oldInput, newInput);
methodPermissionsContentProvider.inputChanged(viewer, oldInput, newInput);
methodTransactionContentProvider.inputChanged(viewer, oldInput, newInput);
}
/**
* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(Object)
*/
public Object[] getChildren(Object parentElement) {
AbstractMethodsContentProvider prov = getContentProvider(parentElement);
return prov == null ? null : prov.getChildren(parentElement);
}
/**
* @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(Object)
*/
public Object getParent(Object element) {
AbstractMethodsContentProvider prov = getContentProvider(element);
return prov == null ? null : prov.getParent(element);
}
/**
* @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(Object)
*/
public boolean hasChildren(Object element) {
AbstractMethodsContentProvider prov = getContentProvider(element);
return prov != null && prov.hasChildren(element);
}
/**
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(Object)
*/
public Object[] getElements(Object inputElement) {
AbstractMethodsContentProvider prov = getContentProvider(inputElement);
return prov == null ? null : prov.getElements(inputElement);
}
}
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