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/*******************************************************************************
* Copyright (c) 2001, 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.jem.internal.proxy.core;
/*
*/
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
/**
* This is a wrapper for an java.util.Enumeration proxy.
* It provides the Enumeration methods to interface to
* the proxy.
*/
public class EnumerationBeanProxyWrapper {
protected final IBeanProxy fEnumeration;
protected final JavaStandardBeanProxyConstants fConstants;
/**
* Construct with the collection.
*/
public EnumerationBeanProxyWrapper(IBeanProxy anEnumerationProxy) {
fEnumeration = anEnumerationProxy;
fConstants = JavaStandardBeanProxyConstants.getConstants(anEnumerationProxy.getProxyFactoryRegistry());
}
/**
* Answer the iterator proxy that this is wrappering.
*/
public IBeanProxy getBeanProxy() {
return fEnumeration;
}
/**
* equals - Pass it on to the proxy to handle this.
*/
public boolean equals(Object object) {
return fEnumeration.equals(object);
}
/**
* hashCode - Pass it on to the proxy to handle this.
*/
public int hashCode() {
return fEnumeration.hashCode();
}
/**
* Enumeration accessors
*/
public boolean hasMoreElements() {
try {
return ((IBooleanBeanProxy) fConstants.getEnumerationHasMoreElements().invoke(fEnumeration)).booleanValue();
} catch (ThrowableProxy e) {
// This shouldn't occur, so just log it.
ProxyPlugin.getPlugin().getLogger().log(new Status(IStatus.ERROR, ProxyPlugin.getPlugin().getBundle().getSymbolicName(), 0, ProxyMessages.UnexpectedException_EXC_, e));
return false;
}
}
public IBeanProxy nextElement() throws ThrowableProxy {
return fConstants.getEnumerationNextElement().invoke(fEnumeration);
}
}
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