Package com.atlassian.bamboo.agent.bootstrap.shared.installation.strategy

Class InstallIfMissingStrategy

java.lang.Object

com.atlassian.bamboo.agent.bootstrap.shared.installation.strategy.InstallIfMissingStrategy

All Implemented Interfaces:

InstallStrategy

public class InstallIfMissingStrategy
extends Object

This strategy will install a file only if it does not exist already. It has no real installation method, instead, it delegates the call to supplied chained strategy.

Constructor Summary

Constructors

Constructor	Description
InstallIfMissingStrategy(String homeDir, InstallStrategy chainedStrategy)	Creates strategy object and links it with supplied strategy.

Method Summary

Modifier and Type	Method	Description
protected File	getDestFile(InstallableFile file)	Returns the destination of supplied file.
protected InputStream	getResourceAsStream(String name)
void	install(InstallableFile file)	This method invokes installation method on chained strategy if the file is missing.

Methods inherited from class java.lang.Object

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

Constructor Details

InstallIfMissingStrategy

public InstallIfMissingStrategy(String homeDir,
 InstallStrategy chainedStrategy)

Creates strategy object and links it with supplied strategy.

Parameters:

chainedStrategy - the strategy that will handle all installation requests

Method Details

install

public void install(InstallableFile file)
             throws IOException

This method invokes installation method on chained strategy if the file is missing.

Parameters:

file - the file to install

Throws:

IOException

getDestFile

protected File getDestFile(InstallableFile file)

Returns the destination of supplied file.

Parameters:

file - the file for which we would like to know the installation destination path

Returns:

destination file

getResourceAsStream

protected InputStream getResourceAsStream(String name)