Package com.sun.enterprise.tools.admingui.servlet

Source Code of com.sun.enterprise.tools.admingui.servlet.ClientStubsContentSource

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* and Distribution License("CDDL") (collectively, the "License").  You
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package com.sun.enterprise.tools.admingui.servlet;

import com.sun.enterprise.tools.admingui.util.JMXUtil;
import com.sun.enterprise.admin.common.JMXFileTransfer;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;

import javax.servlet.ServletRequest;


/**
*
*/
public class ClientStubsContentSource implements DownloadServlet.ContentSource {

    /**
     *  <p> This method returns a unique string used to identify this
     *      {@link DownloadServlet#ContentSource}.  This string must be
     *      specified in order to select the appropriate
     *      {@link DownloadServlet#ContentSource} when using the
     *      {@link DownloadServlet}.</p>
     */
    public String getId() {
  return "clientStubs";          // NOI18N
    }

    /**
     *  <p> This method is responsible for generating the content and
     *      returning an InputStream to that content.  It is also
     *      responsible for setting any attribute values in the
     *      {@link DownloadServlet#Context}, such as {@link DownloadServlet#EXTENSION} or
     *      {@link DownloadServlet#CONTENT_TYPE}.</p>
     */
    public InputStream getInputStream(DownloadServlet.Context ctx) {
  // Set the extension so it can be mapped to a MIME type
  ctx.setAttribute(DownloadServlet.EXTENSION, "jar")// NOI18N

  // Get appName
  ServletRequest request = ctx.getServletRequest();
  String appName = request.getParameter("appName")// NOI18N
  if ((appName == null) || (appName.trim().length() == 0)) {
      appName = request.getParameter("appClientName")// NOI18N
  }

  // Create the tmpFile
  String tmpFilePath = null;
  InputStream tmpFile = null;
  try {
      tmpFilePath = new JMXFileTransfer(JMXUtil.getMBeanServer())
    .downloadClientStubs(
      appName,
      System.getProperty("java.io.tmpdir"))// NOI18N
      tmpFile = new FileInputStream(tmpFilePath);
  } catch (Exception ex) {
      throw new RuntimeException(ex);
  }

  // Save some important stuff for cleanUp
  ctx.setAttribute("tmpFilePath", tmpFilePath);    // NOI18N
  ctx.setAttribute("tmpFile", tmpFile);      // NOI18N

  // Return an InputStream to the tmpFile
  return tmpFile;
    }

    /**
     *  <p> This method may be used to clean up any temporary resources.  It
     *      will be invoked after the <code>InputStream</code> has been
     *      completely read.</p>
     */
    public void cleanUp(DownloadServlet.Context ctx) {
  // Get the File information
  String tmpFilePath =
      (String) ctx.getAttribute("tmpFilePath");    // NOI18N
  InputStream tmpFile =
      (InputStream) ctx.getAttribute("tmpFile");    // NOI18N

  // Close the InputStream
  if (tmpFile != null) {
      try {
    tmpFile.close();
      } catch (Exception ex) {
    // Ignore...
      }
  }

  // Delete the Temporary File
  if (tmpFilePath != null) {
      File file = new File(tmpFilePath);
      try {
    file.delete();
      } catch (Exception ex) {
    // Ignore...
      }
  }

  // Null references...
  ctx.removeAttribute("tmpFilePath");    // NOI18N
  ctx.removeAttribute("tmpFile");      // NOI18N
    }

    /**
     *  <p> This method is responsible for returning the last modified date of
     *      the content, or -1 if not applicable.  This information will be
     *      used for caching.  This implementation always returns -1.</p>
     *
     *  @return  -1
     */
    public long getLastModified(DownloadServlet.Context context) {
  return -1;
    }
}
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