com.greenpepper.expectation.IsInstanceExpectation Maven / Gradle / Ivy
/*
* Copyright (c) 2006 Pyxis Technologies inc.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA,
* or see the FSF site: http://www.fsf.org.
*/
package com.greenpepper.expectation;
import com.greenpepper.util.ClassUtils;
import com.greenpepper.util.FactoryMethod;
/**
* IsInstanceExpectation class.
*
* @version $Revision: $ $Date: $
* @author oaouattara
*/
public class IsInstanceExpectation implements Expectation
{
private final Class type;
/**
* create.
*
* @param expected a {@link java.lang.String} object.
* @return a {@link com.greenpepper.expectation.IsInstanceExpectation} object.
*/
@FactoryMethod
public static IsInstanceExpectation create( String expected )
{
Class klass = loadClass( expected );
return klass != null ? new IsInstanceExpectation( klass ) : null;
}
private static Class loadClass( String expectation )
{
try
{
return ClassUtils.loadClass( expectation );
}
catch (ClassNotFoundException ex)
{
}
return null;
}
/**
* Constructor for IsInstanceExpectation.
*
* @param type a {@link java.lang.Class} object.
*/
public IsInstanceExpectation( Class type )
{
this.type = type;
}
/** {@inheritDoc} */
public StringBuilder describeTo( StringBuilder sb )
{
return sb.append( "instance of " ).append( type.getName() );
}
/** {@inheritDoc} */
public boolean meets( Object result )
{
return type.isInstance( result );
}
}
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