/**
* License Agreement.
*
* Ajax4jsf 1.1 - Natural Ajax for Java Server Faces (JSF)
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jboss.seam.ui.component;
import javax.el.ValueExpression;
import javax.faces.component.UIParameter;
import javax.faces.context.FacesContext;
import org.jbpm.taskmgmt.exe.TaskInstance;
/**
* JSF component class
*
*/
public abstract class UITaskId extends UIParameter {
private static final String COMPONENT_TYPE = "org.jboss.seam.ui.TaskId";
@Override
public String getName()
{
return "taskId";
}
@Override
public Object getValue()
{
ValueExpression valueExpression = getValueExpression("taskInstance");
if (valueExpression==null) valueExpression = getFacesContext().getApplication().getExpressionFactory().createValueExpression(getFacesContext().getELContext(), "#{task}", TaskInstance.class);
TaskInstance taskInstance = (TaskInstance) valueExpression.getValue( getFacesContext().getELContext() );
return taskInstance==null ? null : taskInstance.getId();
}
public static UITaskId newInstance() {
return (UITaskId) FacesContext.getCurrentInstance().getApplication().createComponent(COMPONENT_TYPE);
}
}