runtime/org.argeo.slc.server/src/main/java/org/argeo/slc/web/mvc/provisioning/AbstractAvailableModules.java

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.argeo.slc.web.mvc.provisioning;
  18
  19 import java.io.IOException;
  20 import java.io.Writer;
  21
  22 import javax.servlet.ServletException;
  23 import javax.servlet.http.HttpServletRequest;
  24 import javax.servlet.http.HttpServletResponse;
  25
  26 import org.argeo.slc.build.ModularDistribution;
  27 import org.argeo.slc.build.NameVersion;
  28 import org.springframework.web.HttpRequestHandler;
  29
  30 /** List of modules for a distribution. */
  31 public abstract class AbstractAvailableModules implements HttpRequestHandler {
  32         protected abstract void print(Writer out, String baseUrl,
  33                         ModularDistribution md) throws IOException;
  34
  35         public final void handleRequest(HttpServletRequest request,
  36                         HttpServletResponse response) throws ServletException, IOException {
  37                 response.setContentType(getContentType());
  38
  39                 ModularDistribution md = (ModularDistribution) request
  40                                 .getAttribute("modularDistribution");
  41
  42                 String baseUrl = "http://" + request.getServerName() + ":"
  43                                 + request.getServerPort() + request.getContextPath()
  44                                 + request.getServletPath() + "/" + md.getName() + "/"
  45                                 + md.getVersion() + "/";
  46
  47                 print(response.getWriter(), baseUrl, md);
  48         }
  49
  50         public String getContentType() {
  51                 return "text/plain";
  52         }
  53
  54         protected String jarUrl(String baseUrl, NameVersion nameVersion) {
  55                 return baseUrl + jarFileName(nameVersion);
  56         }
  57
  58         protected String jarFileName(NameVersion nameVersion) {
  59                 return nameVersion.getName() + "-" + nameVersion.getVersion() + ".jar";
  60         }
  61
  62 }