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/**
* ===========================================
* LibLayout : a free Java layouting library
* ===========================================
*
* Project Info: http://reporting.pentaho.org/liblayout/
*
* (C) Copyright 2006-2007, by Pentaho Corporation and Contributors.
*
* 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., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* $Id: FlowContext.java 3524 2007-10-16 11:26:31Z tmorgner $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.renderer;
import java.io.Serializable;
import org.jfree.layouting.State;
import org.jfree.layouting.StateException;
import org.jfree.layouting.renderer.model.NormalFlowRenderBox;
import org.jfree.layouting.renderer.text.RenderableTextFactory;
/**
* Creation-Date: 11.11.2006, 15:47:36
*
* @author Thomas Morgner
*/
public final class FlowContext
{
public static class FlowContextState implements Serializable
{
private State textFactoryState;
private Object currentFlowId;
public FlowContextState(final State textFactoryState,
final Object currentFlowId)
{
if (textFactoryState == null)
{
throw new NullPointerException();
}
if (currentFlowId == null)
{
throw new NullPointerException();
}
this.textFactoryState = textFactoryState;
this.currentFlowId = currentFlowId;
}
public State getTextFactoryState()
{
return textFactoryState;
}
public Object getCurrentFlowId()
{
return currentFlowId;
}
}
private RenderableTextFactory textFactory;
private NormalFlowRenderBox currentFlow;
public FlowContext(final RenderableTextFactory textFactory,
final NormalFlowRenderBox currentFlow)
{
if (textFactory == null)
{
throw new NullPointerException();
}
if (currentFlow == null)
{
throw new NullPointerException();
}
this.textFactory = textFactory;
this.currentFlow = currentFlow;
}
public RenderableTextFactory getTextFactory()
{
return textFactory;
}
public NormalFlowRenderBox getCurrentFlow()
{
return currentFlow;
}
public FlowContextState saveState() throws StateException
{
final FlowContextState flowContextState = new FlowContextState
(textFactory.saveState(), currentFlow.getInstanceId());
//flowContextState.DEBUG_original = currentFlow;
return flowContextState;
}
}
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