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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.ide;
/*
*/
import java.lang.reflect.Constructor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jem.internal.proxy.core.*;
/**
* This is an implementation of IConstructorProxy where the target VM is the same as
* the IDE. The java.lang.reflect.Constructor instance is held in a field
*/
class IDEConstructorProxy extends IDEAccessibleObjectProxy implements IConstructorProxy {
/**
* package protected constructor where the instance of java.lang.reflect.Constructor
* can be passed in directly
*/
IDEConstructorProxy(IDEProxyFactoryRegistry aRegistry, Constructor aConstructor) {
super(aRegistry, aConstructor);
}
/**
* The type proxy is constant proxy out of the method factory.
*/
public IBeanTypeProxy getTypeProxy() {
return ((IDEMethodProxyFactory) fProxyFactoryRegistry.getMethodProxyFactory()).constructorType;
}
/**
* This is factored into a special method so that subclasses can override
* if they wish.
*/
protected IBeanProxy getNewIDEBeanProxy(Object aBean) {
return IDEStandardBeanProxyFactory.createBeanProxy(fProxyFactoryRegistry, aBean); // Use local helper method to do this.
}
/**
* Invoke the constructor and return an IDEBeanProxy with the result
*/
public IBeanProxy newInstance() {
// Invoke the constructor
try {
Object result = ((Constructor) getBean()).newInstance(null);
return getNewIDEBeanProxy(result);
} catch (Exception e) {
ProxyPlugin.getPlugin().getLogger().log(
new Status(IStatus.WARNING, ProxyPlugin.getPlugin().getBundle().getSymbolicName(), 0, "", e)); //$NON-NLS-1$
return null;
}
}
public IBeanProxy newInstanceCatchThrowableExceptions() {
return newInstance();
}
public IBeanProxy newInstanceCatchThrowableExceptions(IBeanProxy[] args) {
return newInstance(args);
}
/**
* Invoke the constructor and return an IDEBeanProxy with the result
*/
public IBeanProxy newInstance(IBeanProxy[] creationArguments) {
// Get an array of bean objects from the bean proxy arguments
Object result = null;
Object[] creationObjects = new Object[creationArguments.length];
for (int i = 0; i < creationArguments.length; i++) {
// It is possible the arguments are null which is perfectly valid
if (creationArguments[i] != null)
creationObjects[i] = ((IIDEBeanProxy) creationArguments[i]).getBean();
}
// Invoke the constructor
try {
result = ((Constructor) getBean()).newInstance(creationObjects);
} catch (Exception e) {
ProxyPlugin.getPlugin().getLogger().log(
new Status(IStatus.WARNING, ProxyPlugin.getPlugin().getBundle().getSymbolicName(), 0, "", e)); //$NON-NLS-1$
}
// If we have a non-null result create an IDEBeanProxy and return it
if (result != null) {
return getNewIDEBeanProxy(result);
} else {
return null;
}
}
/*
* (non-Javadoc)
* @see org.eclipse.jem.internal.proxy.core.IConstructorProxy#getParameterTypes()
*/
public IBeanTypeProxy[] getParameterTypes() {
Class[] parmClasses = ((Constructor) getBean()).getParameterTypes();
IBeanTypeProxy[] parmTypes = new IBeanTypeProxy[parmClasses.length];
IDEStandardBeanTypeProxyFactory factory = (IDEStandardBeanTypeProxyFactory) fProxyFactoryRegistry.getBeanTypeProxyFactory();
for (int i = 0; i < parmClasses.length; i++) {
parmTypes[i] = factory.getBeanTypeProxy(parmClasses[i]);
}
return parmTypes;
}
}
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