com.mockey.ui.UploadConfigurationServlet.java Source code

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Here is the source code for com.mockey.ui.UploadConfigurationServlet.java

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/*
 * This file is part of Mockey, a tool for testing application 
 * interactions over HTTP, with a focus on testing web services, 
 * specifically web applications that consume XML, JSON, and HTML.
 *  
 * Copyright (C) 2009-2010  Authors:
 * 
 * chad.lafontaine (chad.lafontaine AT gmail DOT com)
 * neil.cronin (neil AT rackle DOT com) 
 * lorin.kobashigawa (lkb AT kgawa DOT com)
 * rob.meyer (rob AT bigdis DOT com)
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 */
package com.mockey.ui;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.Iterator;
import java.util.List;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.fileupload.DiskFileUpload;
import org.apache.commons.fileupload.FileItem;
import org.apache.http.protocol.HTTP;
import org.apache.log4j.Logger;

import com.mockey.storage.xml.MockeyXmlFileManager;

/**
 * 
 * @author Chad.Lafontaine
 * 
 */
public class UploadConfigurationServlet extends HttpServlet {

    private static final long serialVersionUID = 2874257060865115637L;
    private static Logger logger = Logger.getLogger(UploadConfigurationServlet.class);

    public void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        super.service(req, resp);
    }

    /**
     * 
     * 
     * @param req
     *            basic request
     * @param resp
     *            basic resp
     * @throws ServletException
     *             basic
     * @throws IOException
     *             basic
     */
    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        RequestDispatcher dispatch = req.getRequestDispatcher("/upload.jsp");
        dispatch.forward(req, resp);
    }

    /**
     * 
     * 
     * @param req
     *            basic request
     * @param resp
     *            basic resp
     * @throws ServletException
     *             basic
     * @throws IOException
     *             basic
     */
    @SuppressWarnings("unchecked")
    public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        String url = null;
        String definitionsAsString = null;
        String taglistValue = "";

        // ***********************************
        // STEP #1 - READ DATA
        // ***********************************
        if (req.getParameter("viaUrl") != null) {
            url = req.getParameter("url");
            taglistValue = req.getParameter("taglist");
            try {
                InputStream fstream = new URL(url).openStream();
                if (fstream != null) {

                    BufferedReader br = new BufferedReader(
                            new InputStreamReader(fstream, Charset.forName(HTTP.UTF_8)));
                    StringBuffer inputString = new StringBuffer();
                    // Read File Line By Line
                    String strLine = null;
                    // READ FIRST
                    while ((strLine = br.readLine()) != null) {
                        // Print the content on the console
                        inputString.append(new String(strLine.getBytes(HTTP.UTF_8)));
                    }
                    definitionsAsString = inputString.toString();
                }
            } catch (Exception e) {
                logger.error("Unable to reach url: " + url, e);
                Util.saveErrorMessage("Unable to reach url: " + url, req);
            }
        } else {
            byte[] data = null;
            try {
                // STEP 1. GATHER UPLOADED ITEMS
                // Create a new file upload handler
                DiskFileUpload upload = new DiskFileUpload();

                // Parse the request
                List<FileItem> items = upload.parseRequest(req);
                Iterator<FileItem> iter = items.iterator();
                while (iter.hasNext()) {
                    FileItem item = (FileItem) iter.next();

                    if (!item.isFormField()) {

                        data = item.get();

                    } else {

                        String name = item.getFieldName();
                        if ("taglist".equals(name)) {
                            taglistValue = item.getString();
                        }

                    }
                }
                if (data != null && data.length > 0) {
                    definitionsAsString = new String(data);
                }
            } catch (Exception e) {
                logger.error("Unable to read or parse file: ", e);
                Util.saveErrorMessage("Unable to upload or parse file.", req);
            }
        }

        // ***********************************
        // STEP #2 - PERSIST DATA
        // ***********************************
        try {

            if (definitionsAsString != null) {
                MockeyXmlFileManager configurationReader = new MockeyXmlFileManager();
                ServiceMergeResults results = configurationReader.loadConfigurationWithXmlDef(definitionsAsString,
                        taglistValue);

                Util.saveSuccessMessage("Service definitions uploaded.", req);
                req.setAttribute("conflicts", results.getConflictMsgs());
                req.setAttribute("additions", results.getAdditionMessages());
            } else {
                Util.saveErrorMessage("Unable to upload or parse empty file.", req);
            }
        } catch (Exception e) {
            Util.saveErrorMessage("Unable to upload or parse file.", req);
        }

        RequestDispatcher dispatch = req.getRequestDispatcher("/upload.jsp");
        dispatch.forward(req, resp);
    }
}