libraries/rest/src/main/java/org/qi4j/library/rest/admin/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>";
    }
}