luis@0: import javax.servlet.http.HttpServlet;
luis@0: import javax.servlet.http.HttpServletRequest;
luis@0: import javax.servlet.http.HttpServletResponse;
luis@0: import javax.servlet.ServletException;
luis@0: import javax.servlet.ServletConfig;
luis@0: import java.io.IOException;
luis@11: 
luis@0: import uk.ac.soton.isvr.*;
luis@0: 
luis@0: import com.mathworks.toolbox.javabuilder.MWJavaObjectRef;
luis@0: import com.mathworks.toolbox.javabuilder.MWNumericArray;
luis@11: import com.mathworks.toolbox.javabuilder.MWStructArray;
luis@0: import com.mathworks.toolbox.javabuilder.MWException;
luis@0: 
luis@0: public class HumanEchoServlet extends HttpServlet {
luis@0:     private HumanEcho echo;
luis@0: 
luis@0:     public void init(ServletConfig config) throws ServletException {
luis@0:         super.init(config);
luis@0: 
luis@0:         try {
luis@0:             echo = new HumanEcho();
luis@0:         }
luis@0:         catch(MWException e) {
luis@0:             e.printStackTrace();
luis@0:         }
luis@0:     }
luis@0: 
luis@0:     public void destroy() {
luis@0:         super.destroy();
luis@0: 
luis@0:         if(echo!=null) {
luis@0:             echo.dispose();
luis@0:         }
luis@0:     }
luis@0: 
luis@11:     protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
luis@0: 
luis@11:         // todo: validate/normalise distance
luis@11:         int dist = Integer.parseInt(request.getParameter("dist"));
luis@11:         MWStructArray Input = null;
luis@11:         HumanEcho echo;
luis@0: 
luis@11:         try {
luis@11:             echo = new HumanEcho();
luis@0: 
luis@11:             // Matlab structure:
luis@11:             // Input = struct('dist', 0.9, 'azim', 0, 'orient', 'horz', 'dirweight', 0.2, 'outputfname', 'foo.wav')
luis@0: 
luis@11:             String[] InputStructFields = {"dist", "azim", "orient", "dirweight", "outputfname"};
luis@11:             Input = new MWStructArray(1, 1, InputStructFields);
luis@11:             Input.set("dist", 1, Double.valueOf(dist));
luis@11:             Input.set("azim", 1, Double.valueOf(0));
luis@11:             Input.set("orient", 1, "horz");
luis@11:             Input.set("dirweight", 1, Double.valueOf(0.2));
luis@0: 
luis@11:             // the ofname should depend on the parameters
luis@11:             StringBuilder sb = new StringBuilder();
luis@11:             sb.append("e_d");
luis@11:             sb.append(dist);
luis@11:             sb.append(".wav");
luis@11:             String outputfname = sb.toString();
luis@11: 
luis@11:             Input.set("outputfname", 1, outputfname);
luis@11: 
luis@11:             // todo: before calling should test if wav already exists..
luis@11:             Object[] result = echo.simulateBinauralSignals(Input);
luis@0:         }
luis@0:         catch(MWException e) {
luis@0:             e.printStackTrace();
luis@0:         }
luis@0: 
luis@11:  /*
luis@0:         StringBuffer buffer = new StringBuffer();
luis@0: 
luis@0:         buffer.append("<BR>");
luis@0:         buffer.append("<BR>");
luis@0: 
luis@0:         buffer.append("<TABLE >");
luis@0:         for (double[] row : square)
luis@0:         {
luis@0:             buffer.append("<TR>");
luis@0:             for (double value : row)
luis@0:             {
luis@0:                 buffer.append("<TH>");
luis@0:                 buffer.append(new Double(value).intValue());
luis@0:             }
luis@0:         }
luis@0:         buffer.append("</TABLE>");
luis@0:         buffer.append("<BR>");
luis@0:         response.getOutputStream().print(buffer.toString());
luis@8: */
luis@0:     }
luis@0: }