framework/src/net/sf/tapestry/PageLoaderException.java

//
// Tapestry Web Application Framework
// Copyright (c) 2000-2002 by Howard Lewis Ship
//
// Howard Lewis Ship
// http://sf.net/projects/tapestry
// mailto:hship@users.sf.net
//
// This library is free software.
//
// You may redistribute it and/or modify it under the terms of the GNU
// Lesser General Public License as published by the Free Software Foundation.
//
// Version 2.1 of the license should be included with this distribution in
// the file LICENSE, as well as License.html. If the license is not
// included with this distribution, you may find a copy at the FSF web
// site at 'www.gnu.org' or 'www.fsf.org', or you may write to the
// Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139 USA.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied waranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//

package net.sf.tapestry;

/**
 *  Encapsulates exceptions that occur when loading a page and its components.
 *
 *
 *  @author Howard Lewis Ship
 *  @version $Id$
 * 
 **/

public class PageLoaderException extends Exception
{
    private Throwable rootCause;
    private String pageName;
    private transient IComponent component;

    /**
     * @since 0.2.12
     *
     **/

    public PageLoaderException(String message, Throwable rootCause)
    {
        this(message, (IComponent) null, rootCause);
    }

    /**
     * @since 0.2.12
     *
     **/

    public PageLoaderException(String message, IComponent component, Throwable rootCause)
    {
        super(message);

        this.rootCause = rootCause;
        this.component = component;

        if (component != null)
        {
            IPage page = component.getPage();

            if (page != null)
                pageName = page.getName();
        }

    }

    /**
     * @since 0.2.12
     *
     **/

    public PageLoaderException(String message, IComponent component)
    {
        this(message, component, null);
    }

    /**
     * @since 0.2.12
     *
     **/

    public PageLoaderException(String message, String pageName, Throwable rootCause)
    {
        this(message, (IComponent) null, rootCause);

        this.pageName = pageName;
    }

    public IComponent getComponent()
    {
        return component;
    }

    public String getPageName()
    {
        return pageName;
    }

    public Throwable getRootCause()
    {
        return rootCause;
    }
}