/*******************************************************************************
* Copyright (C) 2007 Google Inc.
*
* 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 com.google.checkout.webappexample;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.google.checkout.MerchantConstants;
import com.google.checkout.example.MerchantConstantsFactory;
import com.google.checkout.example.merchantcalculation.MerchantCalculationCallbackProcessorImpl;
import com.google.checkout.merchantcalculation.MerchantCalculationCallback;
import com.google.checkout.merchantcalculation.MerchantCalculationCallbackProcessor;
import com.google.checkout.merchantcalculation.MerchantCalculationResults;
/**
* This servlet is the end point for merchant calculation callbacks.
*/
public class MerchantCalculationServlet extends javax.servlet.http.HttpServlet {
/*
* (non-Java-doc)
*
* @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request,
* HttpServletResponse response)
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
}
/*
* (non-Java-doc)
*
* @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request,
* HttpServletResponse response)
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
MerchantConstants mc = MerchantConstantsFactory.getMerchantConstants();
try {
String auth = request.getHeader("Authorization");
if (auth == null || !auth.equals("Basic " + mc.getHttpAuth())) {
response.sendError(HttpServletResponse.SC_UNAUTHORIZED,
"Authentication Failed.");
return;
}
MerchantCalculationCallbackProcessor cp = new MerchantCalculationCallbackProcessorImpl(
mc);
InputStream in = request.getInputStream();
MerchantCalculationCallback callback = new MerchantCalculationCallback(
in);
MerchantCalculationResults results = cp.process(callback);
PrintWriter out = response.getWriter();
out.print(results.getXml());
} catch (Exception ex) {
ex.printStackTrace();
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, ex
.getMessage());
}
}
}