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/*******************************************************************************
* Copyright (c) 2004, 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
*******************************************************************************/
/*
* $RCSfile: JavaArrayTypeReflectionAdapter.java,v $
* $Revision: 1.8 $ $Date: 2005/09/14 23:30:35 $
*/
package org.eclipse.jem.internal.java.adapters;
import java.util.List;
import org.eclipse.emf.common.notify.Notifier;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.jem.java.ArrayType;
import org.eclipse.jem.java.InheritanceCycleException;
import org.eclipse.jem.java.JavaClass;
import org.eclipse.jem.java.JavaHelpers;
import org.eclipse.jem.java.JavaRefFactory;
import org.eclipse.jem.java.internal.impl.ArrayTypeImpl;
/**
* Array type reflection adapter. Since arrays are very constant we don't need any fancy reflection to the source type (class object). It really
* doesn't do anything. It is just here so that it exists. Everything is constant or depends on the final component type.
*
* @since 1.0.0
*/
public class JavaArrayTypeReflectionAdapter extends JavaReflectionAdaptor implements IJavaClassAdaptor {
public JavaArrayTypeReflectionAdapter(Notifier target) {
super(target);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jem.internal.java.adapters.JavaReflectionAdaptor#getReflectionSource()
*/
public Object getReflectionSource() {
return null; // There isn't any for arrays.
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jem.internal.java.adapters.JavaReflectionAdaptor#hasReflectionSource()
*/
public boolean hasReflectionSource() {
// This method is used to determine if valid, so we pass on to use the final component.
ArrayType jh = (ArrayType) getTarget();
JavaHelpers fc = jh.getFinalComponentType();
return (fc.isPrimitive() || ((JavaClass) fc).isExistingType());
}
public boolean hasCachedReflectionSource() {
ArrayType jh = (ArrayType) getTarget();
JavaHelpers fc = jh.getFinalComponentType();
if(fc.isPrimitive())
return true;
else {
JavaReflectionAdaptor reflectionAdaptor = (JavaReflectionAdaptor) EcoreUtil.getExistingAdapter(fc, ReflectionAdaptor.TYPE_KEY);
return (reflectionAdaptor != null) ? reflectionAdaptor.hasCachedReflectionSource() : false;
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jem.internal.java.adapters.ReflectionAdaptor#reflectValues()
*/
public boolean reflectValues() {
ArrayTypeImpl at = (ArrayTypeImpl) getTarget();
// Arrays are always:
// final
// Supertype of java.lang.Object
// implements java.lang.Cloneable, java.io.Serializable
at.setFinal(true);
try {
at.setSupertype((JavaClass) JavaRefFactory.eINSTANCE.reflectType("java.lang.Object", (EObject) getTarget())); //$NON-NLS-1$
} catch (InheritanceCycleException e) {
}
List list = at.getImplementsInterfacesGen();
list.add(JavaRefFactory.eINSTANCE.createClassRef("java.lang.Cloneable")); //$NON-NLS-1$
list.add(JavaRefFactory.eINSTANCE.createClassRef("java.io.Serializable")); //$NON-NLS-1$
return super.reflectValues();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jem.internal.java.adapters.JavaReflectionAdaptor#flushReflectedValues(boolean)
*/
protected boolean flushReflectedValues(boolean clearCachedModelObject) {
ArrayTypeImpl at = (ArrayTypeImpl) getTarget();
at.getImplementsInterfacesGen().clear();
return true;
}
/*
* (non-Javadoc)
* @see org.eclipse.jem.internal.java.adapters.IJavaClassAdaptor#isSourceTypeFromBinary()
*/
public boolean isSourceTypeFromBinary() {
return false;
}
/*
* (non-Javadoc)
* @see org.eclipse.jem.internal.java.adapters.IJavaClassAdaptor#reflectFieldsIfNecessary()
*/
public synchronized boolean reflectFieldsIfNecessary() {
return reflectValuesIfNecessary();
}
/*
* (non-Javadoc)
* @see org.eclipse.jem.internal.java.adapters.IJavaClassAdaptor#reflectMethodsIfNecessary()
*/
public synchronized boolean reflectMethodsIfNecessary() {
return reflectValuesIfNecessary();
}
/*
* (non-Javadoc)
* @see org.eclipse.jem.internal.java.adapters.IJavaClassAdaptor#sourceTypeExists()
*/
public boolean sourceTypeExists() {
return hasReflectionSource();
}
}
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