/****************************************************************************
* Copyright (c) 2004 Composent, Inc. 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:
* Composent, Inc. - initial API and implementation
*****************************************************************************/
package org.eclipse.ecf.core.provider;
import java.util.*;
import org.eclipse.core.runtime.IAdapterManager;
import org.eclipse.ecf.core.*;
import org.eclipse.ecf.internal.core.ECFPlugin;
/**
* Default implemenation of {@link IContainerInstantiator}. ECF provider implementers
* may subclass as desired.
*/
public class BaseContainerInstantiator implements IContainerInstantiator {
protected static String[] NO_ADAPTERS_ARRAY = new String[] {IContainer.class.getName()};
protected static String[] EMPTY_STRING_ARRAY = new String[] {};
protected static Class[][] EMPTY_CLASS_ARRAY = new Class[][] {{}};
protected Set getAdaptersForClass(Class clazz) {
Set result = new HashSet();
IAdapterManager adapterManager = ECFPlugin.getDefault().getAdapterManager();
if (adapterManager != null)
result.addAll(Arrays.asList(adapterManager.computeAdapterTypes(clazz)));
return result;
}
protected Set getInterfacesForClass(Set s, Class clazz) {
if (clazz.equals(Object.class))
return s;
s.addAll(getInterfacesForClass(s, clazz.getSuperclass()));
s.addAll(Arrays.asList(clazz.getInterfaces()));
return s;
}
protected Set getInterfacesForClass(Class clazz) {
Set clazzes = getInterfacesForClass(new HashSet(), clazz);
Set result = new HashSet();
for (Iterator i = clazzes.iterator(); i.hasNext();)
result.add(((Class) i.next()).getName());
return result;
}
protected String[] getInterfacesAndAdaptersForClass(Class clazz) {
Set result = getAdaptersForClass(clazz);
result.addAll(getInterfacesForClass(clazz));
return (String[]) result.toArray(new String[] {});
}
public IContainer createInstance(ContainerTypeDescription description, Object[] parameters) throws ContainerCreateException {
throw new ContainerCreateException("createInstance not supported"); //$NON-NLS-1$
}
public String[] getSupportedAdapterTypes(ContainerTypeDescription description) {
return NO_ADAPTERS_ARRAY;
}
public Class[][] getSupportedParameterTypes(ContainerTypeDescription description) {
return EMPTY_CLASS_ARRAY;
}
public String[] getSupportedIntents(ContainerTypeDescription description) {
return null;
}
}