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

   1 package org.argeo.slc.web.mvc.provisioning;
   2
   3 import java.io.IOException;
   4
   5 import javax.servlet.ServletException;
   6 import javax.servlet.http.HttpServletRequest;
   7 import javax.servlet.http.HttpServletResponse;
   8
   9 import org.apache.commons.io.IOUtils;
  10 import org.apache.commons.logging.Log;
  11 import org.apache.commons.logging.LogFactory;
  12 import org.argeo.slc.StreamReadable;
  13 import org.argeo.slc.UnsupportedException;
  14 import org.argeo.slc.build.Distribution;
  15 import org.argeo.slc.build.ModularDistribution;
  16 import org.springframework.web.HttpRequestHandler;
  17
  18 public class BundleHandler implements HttpRequestHandler {
  19         private final static Log log = LogFactory.getLog(BundleHandler.class);
  20
  21         public void handleRequest(HttpServletRequest request,
  22                         HttpServletResponse response) throws ServletException, IOException {
  23                 String path = request.getPathInfo();
  24
  25                 if (log.isDebugEnabled())
  26                         log.debug("Bundle jar Requested: " + path);
  27                 response.setContentType("application/java-archive");
  28
  29                 String moduleName = request.getParameter("moduleName");
  30                 if (moduleName == null)
  31                         moduleName = request.getAttribute("moduleName").toString();
  32                 String moduleVersion = request.getParameter("moduleVersion");
  33                 if (moduleVersion == null)
  34                         moduleVersion = request.getAttribute("moduleVersion").toString();
  35
  36                 ModularDistribution modularDistribution = (ModularDistribution) request
  37                                 .getAttribute("modularDistribution");
  38                 Distribution distribution = modularDistribution.getModuleDistribution(
  39                                 moduleName, moduleVersion);
  40                 if (distribution instanceof StreamReadable)
  41                         IOUtils.copy(((StreamReadable) distribution).getInputStream(),
  42                                         response.getOutputStream());
  43                 else
  44                         throw new UnsupportedException("distribution", distribution);
  45         }
  46 }