/*
 * Balsa SCGI
 * Copyright (c) 2012, Chris Ellis
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met: 
 * 
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer. 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *  
 */

package com.intrbiz.balsa.scgi.middleware;

import java.io.IOException;
import java.nio.charset.Charset;

import com.intrbiz.balsa.scgi.SCGIRequest;
import com.intrbiz.balsa.scgi.SCGIResponse;
import com.intrbiz.balsa.util.QueryStringParser;

/**
 * Parse the query string
 */
public class QueryStringMiddleware extends AbstractMiddleware
{
    private static final Charset SCGI_CHARSET = Charset.forName("ISO-8859-1");
    
    public static final String WWW_FORM_URLENCODED = "application/x-www-form-urlencoded";
    
    @Override
    public boolean before(SCGIRequest request, SCGIResponse response) throws IOException
    {
        // parse the query string
        QueryStringParser.parseQueryString(request.getQueryString(), request);
        // parse a posted query string
        if (WWW_FORM_URLENCODED.equals(request.getContentType()))
        {
            // buffer the request body in
            byte[] body = this.readBodyBytes(request);
            // parse the parameters
            String postParameters = new String(body, SCGI_CHARSET);
            QueryStringParser.parseQueryString(postParameters, request);
        }
        // continue processing the request
        return true;
    }
    
}

/*
 * Balsa SCGI
 * Copyright (c) 2012, Chris Ellis
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met: 
 * 
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer. 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *  
 */

package com.intrbiz.balsa.scgi.middleware;

import java.io.IOException;
import java.nio.charset.Charset;

import com.intrbiz.balsa.scgi.SCGIRequest;
import com.intrbiz.balsa.scgi.SCGIResponse;
import com.intrbiz.balsa.util.QueryStringParser;

/**
 * Parse the query string
 */
public class QueryStringMiddleware extends AbstractMiddleware
{
    private static final Charset SCGI_CHARSET = Charset.forName("ISO-8859-1");
    
    public static final String WWW_FORM_URLENCODED = "application/x-www-form-urlencoded";
    
    @Override
    public boolean before(SCGIRequest request, SCGIResponse response) throws IOException
    {
        // parse the query string
        QueryStringParser.parseQueryString(request.getQueryString(), request);
        // parse a posted query string
        if (request.getContentType() != null && request.getContentType().startsWith(WWW_FORM_URLENCODED))
        {
            // buffer the request body in
            byte[] body = this.readBodyBytes(request);
            // parse the parameters
            String postParameters = new String(body, SCGI_CHARSET);
            QueryStringParser.parseQueryString(postParameters, request);
        }
        // continue processing the request
        return true;
    }
    
}

Use startwith rather than equals