org.biokoframework.http.RequestWrapper.java Source code

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Here is the source code for org.biokoframework.http.RequestWrapper.java

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/*
 * Copyright (c) 2014                                                 
 *   Mikol Faro         <mikol.faro@gmail.com>
 *   Simone Mangano      <simone.mangano@ieee.org>
 *   Mattia Tortorelli   <mattia.tortorelli@gmail.com>
 *
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 * 
 */

package org.biokoframework.http;

import org.apache.commons.io.IOUtils;

import javax.servlet.ReadListener;
import javax.servlet.ServletInputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import java.io.*;
import java.net.URLDecoder;
import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.Map;

public class RequestWrapper extends HttpServletRequestWrapper {

    private static final String CRLF = "\r\n";
    private byte[] body;
    private HttpServletRequest _request;

    public RequestWrapper(HttpServletRequest request) throws IOException {
        super(request);

        _request = request;

        //      body = "VACCA IN FIAMME, DOBBIAMO TROVARE IL MODO DI LOGGARLO!";
        InputStream inputStream = request.getInputStream();
        ByteArrayOutputStream outStream = new ByteArrayOutputStream();
        IOUtils.copy(inputStream, outStream);
        body = outStream.toByteArray();

    }

    @Override
    public BufferedReader getReader() throws IOException {
        return new BufferedReader(new InputStreamReader(getInputStream(), getCharacterEncoding()));
    }

    @Override
    public ServletInputStream getInputStream() throws IOException {
        final ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(body);

        ServletInputStream inputStream = new ServletInputStream() {
            public int read() throws IOException {
                return byteArrayInputStream.read();
            }

            @Override
            public boolean isFinished() {
                return byteArrayInputStream.available() > 0;
            }

            @Override
            public boolean isReady() {
                return true;
            }

            @Override
            public void setReadListener(ReadListener readListener) {
                // TODO Auto-generated method stub

            }
        };

        return inputStream;
    }

    public String report() {
        StringBuffer report = new StringBuffer("REQUEST:").append(CRLF);
        report.append("getAuthType: ").append(_request.getAuthType()).append(CRLF);
        report.append("getCharacterEncoding: ").append(_request.getCharacterEncoding()).append(CRLF);
        report.append("getContentLength: ").append(_request.getContentLength()).append(CRLF);
        report.append("getContentType: ").append(_request.getContentType()).append(CRLF);
        report.append("getContextPath: ").append(_request.getContextPath()).append(CRLF);
        report.append("getLocalAddr: ").append(_request.getLocalAddr()).append(CRLF);
        report.append("getLocalName: ").append(_request.getLocalName()).append(CRLF);
        report.append("getLocalPort: ").append(_request.getLocalPort()).append(CRLF);
        report.append("getMethod: ").append(_request.getMethod()).append(CRLF);
        report.append("getQueryString: ").append(_request.getQueryString()).append(CRLF);
        report.append("getPathInfo: ").append(_request.getPathInfo()).append(CRLF);
        report.append("getPathTranslated: ").append(_request.getPathTranslated()).append(CRLF);
        report.append("getRequestURI: ").append(_request.getRequestURI()).append(CRLF);
        report.append("requestBody: ").append(new String(body)).append(CRLF);
        return report.toString();
    }

    @Override
    public Map<String, String[]> getParameterMap() {
        Map<String, String[]> parameterMap = new HashMap<String, String[]>();

        String queryString = _request.getQueryString();

        String encoding = _request.getCharacterEncoding();
        if (encoding == null) {
            encoding = Charset.defaultCharset().toString();
        }

        try {
            for (String aParameterEntry : queryString.split("&")) {
                String[] splitted = aParameterEntry.split("=");
                parameterMap.put(URLDecoder.decode(splitted[0], encoding),
                        new String[] { URLDecoder.decode(splitted[1], encoding) });
            }
            return parameterMap;
        } catch (Exception exception) {
            return _request.getParameterMap();
        }
    }

}