org.rhq.enterprise.agent
Class AgentUpdateDownload

java.lang.Object
  org.rhq.enterprise.agent.AgentUpdateDownload

public class AgentUpdateDownload
extends Object

Downloads the agent update binary from the server, if one is available.

Author:

John Mazzitelli

Constructor Summary

AgentUpdateDownload(AgentMain agent)

Method Summary

void	download() Downloads the agent update binary and stores it to the local file system.
File	getAgentUpdateBinaryFile() If the agent update binary has been downloaded, this will return the file where the downloaded content was stored.
AgentUpdateVersion	getAgentUpdateVersion()
URL	getDownloadUrl() Returns the URL that will be accessed to download the agent update binary.
File	getLocalDownloadDirectory() Returns the location on the local file system where any downloaded files will be stored.
void	validate() This will validate the MD5 of the downloaded binary file.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AgentUpdateDownload

public AgentUpdateDownload(AgentMain agent)

Method Detail

getAgentUpdateVersion

public AgentUpdateVersion getAgentUpdateVersion()

getDownloadUrl

public URL getDownloadUrl()
                   throws Exception

Returns the URL that will be accessed to download the agent update binary.

Returns:

download URL

Throws:

Exception - if for some reason a valid URL could not be obtained

getAgentUpdateBinaryFile

public File getAgentUpdateBinaryFile()

If the agent update binary has been downloaded, this will return the file where the downloaded content was stored.

Returns:

the file of the downloaded agent update binary; null if it was never downloaded

getLocalDownloadDirectory

public File getLocalDownloadDirectory()

Returns the location on the local file system where any downloaded files will be stored.

Returns:

local file system location where the downloaded files are stored

validate

public void validate()
              throws Exception

This will validate the MD5 of the downloaded binary file. If it validates, this method returns normally, otherwise, an exception is thrown. You must first download the file first before calling this method.

Throws:

Exception - if the downloaded agent update binary file does not validate with the expected MD5, or the agent update binary has not been downloaded yet.

download

public void download()
              throws Exception

Downloads the agent update binary and stores it to the local file system.

Throws:

Exception - if agent has disabled updates or it failed to download the update