001/*
002 * (C) Copyright 2006-2008 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     arussel
018 */
019package org.nuxeo.ecm.platform.web.common.exceptionhandling.service;
020
021import java.util.ArrayList;
022import java.util.Enumeration;
023import java.util.List;
024
025import javax.servlet.http.HttpServletRequest;
026
027import org.apache.commons.logging.Log;
028import org.apache.commons.logging.LogFactory;
029
030/**
031 * @author arussel
032 */
033public class DefaultRequestDumper implements RequestDumper {
034
035    private static final Log log = LogFactory.getLog(DefaultRequestDumper.class);
036
037    protected List<String> attributes = new ArrayList<String>();
038
039    public String getDump(HttpServletRequest request) {
040        StringBuilder builder = new StringBuilder();
041        builder.append("\nRequest Attributes:\n\n");
042        Enumeration<String> e = request.getAttributeNames();
043        while (e.hasMoreElements()) {
044            String name = e.nextElement();
045            if (attributes.contains(name)) {
046                continue;
047            }
048            builder.append(name);
049            builder.append(" : ");
050            try {
051                Object obj = request.getAttribute(name);
052                builder.append(obj.toString());
053            } catch (RuntimeException exc) {
054                // avoid errors when printing the error dump
055                log.error("ERROR TRYING TO GET THIS REQUEST ATTRIBUTE VALUE: " + name);
056                builder.append("ERROR TRYING TO GET THIS REQUEST ATTRIBUTE VALUE");
057            }
058            builder.append("\n");
059        }
060        return builder.toString();
061    }
062
063    public void setNotListedAttributes(List<String> attributes) {
064        this.attributes = attributes;
065    }
066
067}