001/*
002 * (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     arussel
016 */
017package org.nuxeo.ecm.platform.web.common.exceptionhandling.service;
018
019import java.util.ArrayList;
020import java.util.Enumeration;
021import java.util.List;
022
023import javax.servlet.http.HttpServletRequest;
024
025import org.apache.commons.logging.Log;
026import org.apache.commons.logging.LogFactory;
027
028/**
029 * @author arussel
030 */
031public class DefaultRequestDumper implements RequestDumper {
032
033    private static final Log log = LogFactory.getLog(DefaultRequestDumper.class);
034
035    protected List<String> attributes = new ArrayList<String>();
036
037    public String getDump(HttpServletRequest request) {
038        StringBuilder builder = new StringBuilder();
039        builder.append("\nRequest Attributes:\n\n");
040        Enumeration<String> e = request.getAttributeNames();
041        while (e.hasMoreElements()) {
042            String name = e.nextElement();
043            if (attributes.contains(name)) {
044                continue;
045            }
046            builder.append(name);
047            builder.append(" : ");
048            try {
049                Object obj = request.getAttribute(name);
050                builder.append(obj.toString());
051            } catch (RuntimeException exc) {
052                // avoid errors when printing the error dump
053                log.error("ERROR TRYING TO GET THIS REQUEST ATTRIBUTE VALUE: " + name);
054                builder.append("ERROR TRYING TO GET THIS REQUEST ATTRIBUTE VALUE");
055            }
056            builder.append("\n");
057        }
058        return builder.toString();
059    }
060
061    public void setNotListedAttributes(List<String> attributes) {
062        this.attributes = attributes;
063    }
064
065}