Package com.dtolabs.rundeck.core.common

Class PropertiesCache

java.lang.Object

com.dtolabs.rundeck.core.common.PropertiesCache

public class PropertiesCache
extends java.lang.Object

PropertiesCache caches properties file contents and reloads them if they have been modified.

Constructor Summary

Constructors

Constructor	Description
PropertiesCache()

Method Summary

Modifier and Type	Method	Description
java.util.Properties	getProperties(java.io.File file)	Get the java Properties stored in the file, loading from disk only if the file has been modified since the last read, or the cached data has been invalidated.
boolean	needsReload(java.io.File file)	Returns true if the file does not exist, or has been modified since the last time it was loaded.
void	touch(java.io.File file)	Clear cached data for the file, causing a reload for the next call of getProperties(java.io.File)

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertiesCache

public PropertiesCache()

Method Detail

needsReload

public boolean needsReload(java.io.File file)
                    throws java.io.IOException

Returns true if the file does not exist, or has been modified since the last time it was loaded.

Parameters:

file - File to check

Returns:

true if the file needs to be reloaded.

Throws:

java.io.IOException - on io error

getProperties

public java.util.Properties getProperties(java.io.File file)
                                   throws java.io.IOException

Get the java Properties stored in the file, loading from disk only if the file has been modified since the last read, or the cached data has been invalidated.

Parameters:

file - java properties file

Returns:

java Properties

Throws:

java.io.IOException - due to file read or find error

touch

public void touch(java.io.File file)

Clear cached data for the file, causing a reload for the next call of getProperties(java.io.File)

Parameters:

file - file