org.directwebremoting.convert.StringEnumAbstractBaseConverter Maven / Gradle / Ivy
package org.directwebremoting.convert;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import org.directwebremoting.ConversionException;
import org.directwebremoting.extend.AbstractConverter;
import org.directwebremoting.extend.InboundVariable;
import org.directwebremoting.extend.NonNestedOutboundVariable;
import org.directwebremoting.extend.OutboundContext;
import org.directwebremoting.extend.OutboundVariable;
/**
* Used by {@link XmlBeanConverter}.
* @author Joe Walker [joe at getahead dot ltd dot uk]
* @author Matthew Young [matthew dot young at forsakringskassan dot se]
*/
public class StringEnumAbstractBaseConverter extends AbstractConverter
{
/* (non-Javadoc)
* @see org.directwebremoting.extend.Converter#convertInbound(java.lang.Class, org.directwebremoting.extend.InboundVariable, org.directwebremoting.extend.InboundContext)
*/
public Object convertInbound(Class> paramType, InboundVariable data) throws ConversionException
{
if (data.isNull())
{
return null;
}
String value = data.urlDecode();
try
{
Method getter = paramType.getMethod("forString", String.class);
Object bean = getter.invoke(paramType, value);
if (bean == null)
{
throw new ConversionException(paramType, "unknown enum value (" + value + ")");
}
return bean;
}
catch (NoSuchMethodException e)
{
throw new ConversionException(paramType, e);
}
catch (IllegalArgumentException e)
{
throw new ConversionException(paramType, e);
}
catch (IllegalAccessException e)
{
throw new ConversionException(paramType, e);
}
catch (InvocationTargetException e)
{
throw new ConversionException(paramType, e);
}
}
/* (non-Javadoc)
* @see org.directwebremoting.extend.Converter#convertOutbound(java.lang.Object, org.directwebremoting.extend.OutboundContext)
*/
public OutboundVariable convertOutbound(Object data, OutboundContext outctx)
{
return new NonNestedOutboundVariable('\'' + data.toString() + '\'');
}
}
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