# ExceptionRepresentation.java

    /*
     * Copyright (c) 2008, Niclas Hedhman. All Rights Reserved.
     *
     * 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.qi4j.library.rest.admin;

    import java.io.ByteArrayOutputStream;
    import java.io.IOException;
    import java.io.PrintStream;
    import org.restlet.representation.StringRepresentation;

    public class ExceptionRepresentation
        extends StringRepresentation
    {
        public ExceptionRepresentation( Throwable e )
        {
            super( getStackTraceAsHtml( e ) );
        }

        private static String getStackTraceAsHtml( Throwable e )
        {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            PrintStream out = new PrintStream( baos );
            e.printStackTrace( out );
            out.close();
            try
            {
                baos.close();
            }
            catch( IOException e1 )
            {
                // Can not happen.
            }
            String text = baos.toString();
            return "<code>" + text + "</code>";
        }
    }