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/*
* <copyright>
*
* Copyright (c) 2005-2006 Sven Efftinge 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:
* Sven Efftinge - Initial API and implementation
*
* </copyright>
*/
package org.eclipse.internal.xtend.type.impl.java;
import java.lang.reflect.Modifier;
import java.util.HashSet;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.xtend.typesystem.AbstractTypeImpl;
import org.eclipse.xtend.typesystem.Feature;
import org.eclipse.xtend.typesystem.Type;
/**
* @author Sven Efftinge
* @author Arno Haase
*/
public class JavaTypeImpl extends AbstractTypeImpl implements Type {
private final static Log log = LogFactory.getLog(JavaTypeImpl.class);
private Class<?> clazz;
private Set<Type> superTypes = null;
private Feature[] features = null;
private JavaTypeStrategy strategy = null;
private JavaMetaModel metamodel = null;
public JavaTypeImpl(final JavaMetaModel meta, final Class<?> clazz, final String name, final JavaTypeStrategy strategy) {
super(meta.getTypeSystem(), name);
this.clazz = clazz;
metamodel = meta;
this.strategy = strategy;
}
@Override
public Feature[] getContributedFeatures() {
if (features == null) {
features = strategy.getFeatures(metamodel, clazz, this);
}
return features;
}
@Override
public Set<Type> getSuperTypes() {
if (superTypes == null) {
final Set<Type> result = new HashSet<Type>();
if (clazz.getSuperclass() != null && !clazz.getSuperclass().equals(Object.class)) {
final Type beanType = metamodel.builtinAwareGetTypeForClass(clazz.getSuperclass());
if (beanType != null) {
result.add(beanType);
}
}
final Class[] interfaces = clazz.getInterfaces();
for (int i = 0; i < interfaces.length; i++) {
final Type beanType = metamodel.builtinAwareGetTypeForClass(interfaces[i]);
if (beanType != null) {
result.add(beanType);
}
}
if (result.isEmpty()) {
result.add(metamodel.getTypeSystem().getObjectType());
}
superTypes = result;
}
return superTypes;
}
public boolean isInstance(final Object o) {
return clazz.isInstance(o);
}
@Override
protected boolean internalIsAssignableFrom(final Type t) {
if (t instanceof JavaTypeImpl)
return clazz.isAssignableFrom(((JavaTypeImpl) t).clazz);
return false;
}
public Object newInstance() {
try {
return clazz.newInstance();
} catch (final Exception e) {
throw new RuntimeException(e);
}
}
@Override
public boolean isAbstract() {
try {
return clazz.getConstructor(new Class[0]) == null || Modifier.isAbstract (clazz.getModifiers());
} catch (final SecurityException e) {
log.error(e.getMessage(), e);
} catch (final NoSuchMethodException e) {
log.error(e.getMessage(), e);
}
return true;
}
}
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