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package org.apache.tester;


import java.io.*;
import java.util.Enumeration;
import javax.servlet.*;
import javax.servlet.http.*;

/**
 * Test aggregation of query string and POST parameters.  According to
 * Servlet 2.3 PFD, Section 4.1, all such parameters should be aggregated,
 * and if there are duplicate parameter names from both sources, the
 * parameter value(s) from the query string should appear first in the
 * values returned by request.getParameterValues().
 *
 * @author Craig R. McClanahan
 * @version $Revision: 1.1 $ $Date: 2001/01/27 01:49:14 $
 */

public class Aggregate01 extends HttpServlet {

    public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {

        response.setContentType("text/plain");
        PrintWriter writer = response.getWriter();

        // Accumulate any errors that are noticed
        StringBuffer errors = new StringBuffer();
        String values[] = request.getParameterValues("a");
        if (values == null)
            errors.append("  Received no parameter values for 'a'.");
        else if (values.length != 2)
            errors.append("  Received " + values.length +
                          " parameter values for 'a' instead of 2.");
        else {
            if (!"1".equals(values[0]))
                errors.append("  First value for 'a' was '" + values[0] +
                              "' instead of '1'.");
            if (!"2".equals(values[1]))
                errors.append("  Second value for 'a' was '" + values[1] +
                              "' instead of '2'.");
        }
        values = request.getParameterValues("b");
        if (values == null)
            errors.append("  Received no parameter values for 'b'.");
        else if (values.length != 1)
            errors.append("  Received " + values.length +
                          " parameter values for 'b' instead of 1.");
        else {
            if (!"3".equals(values[0]))
                errors.append("  Value for 'b' was '" + values[0] +
                              "' instead of '3'.");
        }
        Enumeration names = request.getParameterNames();
        while (names.hasMoreElements()) {
            String name = (String) names.nextElement();
            if ("a".equals(name))
                continue;
            if ("b".equals(name))
                continue;
            errors.append("  Received parameter '" + name + "'.");
        }

        // Report the results
        if (errors.length() < 1)
            writer.println("Aggregate01 PASSED");
        else
            writer.println("Aggregate01 FAILED -" + errors.toString());
        while (true) {
            String message = StaticLogger.read();
            if (message == null)
                break;
            writer.println(message);
        }
        StaticLogger.reset();

    }

}
