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/*
* Copyright 2006-2007 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.sf.ezmorph.object;
import net.sf.ezmorph.MorphException;
import net.sf.ezmorph.ObjectMorpher;
/**
* Morphs to a String.<br>
* This morpher is a singleton.
*
* @author Andres Almiray <aalmiray@users.sourceforge.net>
*/
public final class StringMorpher implements ObjectMorpher
{
private static final StringMorpher INSTANCE = new StringMorpher();
/**
* Returns the singleton instance
*/
public static StringMorpher getInstance()
{
return INSTANCE;
}
private StringMorpher()
{
}
public boolean equals( Object obj )
{
return INSTANCE == obj;
}
public int hashCode()
{
return 42 + getClass().hashCode();
}
public Object morph( Object value )
{
if( value == null ){
return null;
}
if( !supports( value.getClass() ) ){
throw new MorphException( "Class not supported. " + value.getClass() );
}
if( String.class.isAssignableFrom( value.getClass() ) ){
return (String) value;
}
return String.valueOf( value );
}
public Class morphsTo()
{
return String.class;
}
public boolean supports( Class clazz )
{
return !clazz.isArray();
}
}
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