/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.core.types.basic;
import org.teiid.core.CorePlugin;
import org.teiid.core.types.DataTypeManager;
import org.teiid.core.types.Transform;
import org.teiid.core.types.TransformationException;
public class ObjectToAnyTransform extends Transform {
private Class targetClass;
public ObjectToAnyTransform(Class targetClass) {
this.targetClass = targetClass;
}
/**
* Type of the incoming value.
* @return Source type
*/
public Class getSourceType() {
return DataTypeManager.DefaultDataClasses.OBJECT;
}
public Class getTargetType() {
return targetClass;
}
public Object transformDirect(Object value) throws TransformationException {
if(targetClass.isAssignableFrom(value.getClass())) {
return value;
}
Transform transform = DataTypeManager.getTransform(value.getClass(), getTargetType());
if (transform == null || transform instanceof ObjectToAnyTransform) {
Object[] params = new Object[] { getSourceType(), targetClass, value};
throw new TransformationException(CorePlugin.Util.getString("ObjectToAnyTransform.Invalid_value", params)); //$NON-NLS-1$
}
try {
return transform.transform(value);
} catch (TransformationException e) {
Object[] params = new Object[] { getSourceType(), targetClass, value};
throw new TransformationException(e, CorePlugin.Util.getString("ObjectToAnyTransform.Invalid_value", params)); //$NON-NLS-1$
}
}
/**
* @see org.teiid.core.types.Transform#isExplicit()
*/
public boolean isExplicit() {
return true;
}
}