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/*
* LBConfigContentSource.java
*
* Created on December 26, 2006, 11:08 PM
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
package org.glassfish.admingui.common.servlet;
import java.io.File;
import java.io.InputStream;
import java.io.FileInputStream;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import org.glassfish.admingui.common.util.RestUtil;
import jakarta.servlet.http.HttpServletRequest;
/**
*
* @author anilam
*/
public class LBConfigContentSource implements DownloadServlet.ContentSource {
/**
* 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}.
*/
public String getId() {
return "LBConfig"; // NOI18N
}
/**
* 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}.
*/
public InputStream getInputStream(DownloadServlet.Context ctx) {
// Set the extension so it can be mapped to a MIME type
ctx.setAttribute(DownloadServlet.EXTENSION, "xml");
// Get appName
HttpServletRequest request = (HttpServletRequest) ctx.getServletRequest();
String lbName = request.getParameter("lbName");
String restUrl = request.getParameter("restUrl");
// Create the tmpFile
InputStream tmpFile = null;
try {
String endpoint = restUrl + "/load-balancers/load-balancer/" + lbName + "/export-http-lb-config";
DateFormat dateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
Date date = new Date();
Map attrsMap = new HashMap();
String tempDir = System.getProperty("java.io.tmpdir");
String lbFileName = "loadbalancer.xml." + lbName + "_LB_CONFIG." + dateFormat.format(date);
String slbFile = tempDir + System.getProperty("file.separator") + lbFileName;
File lbFile = new File(slbFile);
attrsMap.put("id", slbFile);
RestUtil.postRestRequestFromServlet(request, endpoint, attrsMap, true, true);
tmpFile = new FileInputStream(lbFile);
boolean success = lbFile.delete();
if (!success) {
throw new Exception("Load Balancer config file delete failed");
}
} catch (Exception ex) {
throw new RuntimeException(ex);
}
// Save some important stuff for cleanUp
ctx.setAttribute("tmpFile", tmpFile); // NOI18N
// Return an InputStream to the tmpFile
return tmpFile;
}
/**
* This method may be used to clean up any temporary resources. It
* will be invoked after the InputStream
has been
* completely read.
*/
public void cleanUp(DownloadServlet.Context ctx) {
// Get the File information
InputStream tmpFile =
(InputStream) ctx.getAttribute("tmpFile"); // NOI18N
// Close the InputStream
if (tmpFile != null) {
try {
tmpFile.close();
} catch (Exception ex) {
// Ignore...
}
}
ctx.removeAttribute("tmpFile"); // NOI18N
}
/**
* 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.
*
* @return -1
*/
public long getLastModified(DownloadServlet.Context context) {
return -1;
}
}