CartoException.java

/**
 * Copyright (C) 2013 Red Hat, Inc. (jdcasey@commonjava.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.commonjava.cartographer;

import java.text.MessageFormat;
import java.util.IllegalFormatException;

public class CartoException
    extends Exception
{

    private static final long serialVersionUID = 1L;

    private Object[] params;

    public CartoException( final String message, final Throwable error, final Object... params )
    {
        super( message, error );
        this.params = params;
    }

    public CartoException( final String message, final Object... params )
    {
        super( message );
        this.params = params;
    }

    @Override
    public String getLocalizedMessage()
    {
        return getMessage();
    }

    @Override
    public String getMessage()
    {
        String message = super.getMessage();

        if ( params != null )
        {
            try
            {
                message = String.format( message.replaceAll( "\\{\\}", "%s" ), params );
            }
            catch ( final IllegalFormatException ife )
            {
                try
                {
                    message = MessageFormat.format( message, params );
                }
                catch ( final IllegalArgumentException iae )
                {
                }
            }
        }

        return message;
    }

    private Object writeReplace()
    {
        final Object[] newParams = new Object[params.length];
        int i = 0;
        for ( final Object object : params )
        {
            newParams[i] = String.valueOf( object );
            i++;
        }

        this.params = newParams;
        return this;
    }

}