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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;
}
}