com.atlassian.bamboo.agent.installer.strategy
Class InstallIfMissingStrategy

java.lang.Object
  com.atlassian.bamboo.agent.installer.strategy.InstallIfMissingStrategy

All Implemented Interfaces:

InstallStrategy

public class InstallIfMissingStrategy
extends java.lang.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.

Field Summary

protected static boolean

IS_UNIX

Constructor Summary

InstallIfMissingStrategy(InstallStrategy chainedStrategy)
Creates strategy object and links it with supplied strategy.

Method Summary

protected java.io.File	getDestFile(InstallableFile file) Returns the destination of supplied file.
protected java.io.InputStream	getResourceAsStream(java.lang.String name)
void	install(InstallableFile file) This method invokes installation method on chained strategy if the file is missing.
protected void	setExecutable(InstallableFile file)

Methods inherited from class java.lang.Object

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

Field Detail

IS_UNIX

protected static final boolean IS_UNIX

Constructor Detail

InstallIfMissingStrategy

public InstallIfMissingStrategy(InstallStrategy chainedStrategy)

Creates strategy object and links it with supplied strategy.

Parameters:

chainedStrategy - the strategy that will handle all installation requests

Method Detail

install

public void install(InstallableFile file)
             throws java.io.IOException

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

Parameters:

file - the file to install

Throws:

java.io.IOException

setExecutable

protected void setExecutable(InstallableFile file)

getDestFile

protected java.io.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 java.io.InputStream getResourceAsStream(java.lang.String name)