/******************************************************************************
* JBoss, a division of Red Hat *
* Copyright 2008, Red Hat Middleware, LLC, and individual *
* contributors as indicated by the @authors tag. See the *
* copyright.txt in the distribution for a full listing of *
* individual contributors. *
* *
* This 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 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this software; 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 org.gatein.pc.test.url;
import org.gatein.common.util.ParameterMap;
import java.util.Iterator;
import java.util.Map;
/**
* @author <a href="mailto:julien@jboss.org">Julien Viet</a>
* @version $Revision: 1.1 $
*/
public class ParameterDecoder
{
/** . */
private final CodecBuilder builder;
/** . */
private final ParameterMap metaParameters;
/** . */
private final ParameterMap actualParameters;
public ParameterDecoder(CodecBuilder builder)
{
this.builder = builder;
this.actualParameters = new ParameterMap();
this.metaParameters = new ParameterMap();
}
public ParameterMap getMetaParameters()
{
return metaParameters;
}
public ParameterMap getActualParameters()
{
return actualParameters;
}
public void decode(ParameterMap parameters)
{
actualParameters.clear();
metaParameters.clear();
// Get the meta parameter
long reservedParameter;
String[] reservedParameters = parameters.getValues(builder.reservedParameterName);
if (reservedParameters != null)
{
if (reservedParameters.length < 1)
{
throw new IllegalArgumentException();
}
try
{
reservedParameter = Long.parseLong(reservedParameters[0], 2);
}
catch (NumberFormatException e)
{
throw new IllegalArgumentException();
}
}
else
{
throw new IllegalArgumentException();
}
//
for (int i = builder.metaParameterNames.size() - 1; reservedParameter > 0;)
{
if (i < 0)
{
throw new IllegalArgumentException();
}
//
String parameterName = builder.metaParameterNames.get(i--);
//
if ((reservedParameter & 1) == 1)
{
String[] parameterValues = parameters.getValues(parameterName);
//
if (parameterValues == null)
{
throw new IllegalArgumentException();
}
if (parameterValues.length == 0)
{
throw new IllegalArgumentException();
}
//
String metaParameterValue = parameterValues[0];
metaParameters.setValue(parameterName, metaParameterValue);
//
if (parameterValues.length > 1)
{
String[] actualParameterValues = new String[parameterValues.length - 1];
System.arraycopy(parameterValues, 1, actualParameterValues, 0, actualParameterValues.length);
actualParameters.setValues(parameterName, actualParameterValues);
}
}
//
reservedParameter = reservedParameter >> 1;
}
//
for (Iterator i = parameters.entrySet().iterator(); i.hasNext();)
{
Map.Entry entry = (Map.Entry)i.next();
String parameterName = (String)entry.getKey();
if (!metaParameters.containsKey(parameterName))
{
if (builder.reservedParameterName.equals(parameterName))
{
String[] reservedParameterValues = (String[])entry.getValue();
if (reservedParameterValues.length > 1)
{
String[] parameterValues = new String[reservedParameterValues.length - 1];
System.arraycopy(reservedParameterValues, 1, parameterValues, 0, parameterValues.length);
actualParameters.setValues(parameterName, parameterValues);
}
}
else
{
String[] parameterValues = (String[])entry.getValue();
actualParameters.setValues(parameterName, parameterValues);
}
}
}
}
}