org.springframework.security.saml.util.RequestClone.java Source code

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Here is the source code for org.springframework.security.saml.util.RequestClone.java

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/*
 * Copyright 2016 SpringSource.
 *
 * 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.springframework.security.saml.util;

import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import javax.servlet.ServletInputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import org.apache.commons.io.IOUtils;
import org.slf4j.LoggerFactory;

/**
 *
 * @author mrwc1264
 */
public class RequestClone extends HttpServletRequestWrapper {
    private final static org.slf4j.Logger logger = LoggerFactory.getLogger(RequestClone.class);
    private byte[] rawData;
    private HttpServletRequest request;
    private ResettableServletInputStream servletStream;

    public RequestClone(HttpServletRequest request) {
        super(request);
        this.request = request;
        this.servletStream = new ResettableServletInputStream();
        //        _body = "";
        //        BufferedReader bufferedReader;           
        //        try {
        //            bufferedReader = new BufferedReader( 
        //                            new InputStreamReader( 
        //                                    request.getInputStream()));
        //        } catch (IOException ex) {
        //            logger.error("Erreur getReader "+ex);
        //            return;
        //        }
        //        String line;
        //        try {
        //            while ((line = bufferedReader.readLine()) != null){
        //                _body += line;
        //            }
        //        } catch (IOException ex) {
        //            logger.error("Erreur readLine "+ex);
        //        }
    }

    public void resetInputStream() {
        servletStream.stream = new ByteArrayInputStream(rawData);
    }

    @Override
    public ServletInputStream getInputStream() throws IOException {
        if (rawData == null) {
            rawData = IOUtils.toByteArray(this.request.getReader());
            servletStream.stream = new ByteArrayInputStream(rawData);
        }
        return servletStream;
    }

    @Override
    public BufferedReader getReader() throws IOException {
        if (rawData == null) {
            rawData = IOUtils.toByteArray(this.request.getReader());
            servletStream.stream = new ByteArrayInputStream(rawData);
        }
        return new BufferedReader(new InputStreamReader(servletStream));
    }

    private class ResettableServletInputStream extends ServletInputStream {

        private InputStream stream;

        @Override
        public int read() throws IOException {
            return stream.read();
        }
    }
}