Package com.linkare.commons.utils

Class PropertiesManager

java.lang.Object

com.linkare.commons.utils.PropertiesManager

public final class PropertiesManager
extends Object

Utility class to help loading and looking for any property in a Java Properties map.

Since:

0.0.1

Author:

Paulo Zenida - Linkare TI

Field Summary

Fields

Modifier and Type	Field	Description
private static String	DEFAULT_BUILD_PROPERTIES
private static PropertiesManager	INSTANCE
private static Properties	PROPERTIES

Constructor Summary

Constructors

Modifier	Constructor	Description
private	PropertiesManager()	Hiding constructor so that this utility class cannot be instantiated from outside.

Method Summary

Modifier and Type	Method	Description
static boolean	getBooleanProperty(String key)
static Integer	getIntegerProperty(String key)
static String	getProperty(String key)
static void	loadProperties(String fileName)	It loads the properties in a file named fileName into the internal PROPERTIES map.
static void	loadProperties(Properties properties, String fileName)	It loads the properties in a file named fileName into the properties map.
static void	setProperty(String key, String value)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_BUILD_PROPERTIES

private static final String DEFAULT_BUILD_PROPERTIES

See Also:

Constant Field Values

INSTANCE

private static final PropertiesManager INSTANCE

PROPERTIES

private static final Properties PROPERTIES

Constructor Detail

PropertiesManager

private PropertiesManager()

Hiding constructor so that this utility class cannot be instantiated from outside.

Method Detail

loadProperties

public static void loadProperties(Properties properties,
                                  String fileName)
                           throws IOException

It loads the properties in a file named fileName into the properties map.

Parameters:

properties - the properties file to which the the properties in the file fileName should be loaded to.

fileName - the name of the file from which there are properties to be loaded

Throws:

IOException - if the input stream for the file fileName is null.

loadProperties

public static void loadProperties(String fileName)
                           throws IOException

It loads the properties in a file named fileName into the internal PROPERTIES map.

Parameters:

fileName - the name of the file from which there are properties to be loaded

Throws:

IOException - if the input stream for the file fileName is null.

getProperty

public static String getProperty(String key)

Parameters:

key - the key to be looked into the PROPERTIES map of this class.

Returns:

the value for the key provided, if found. Returns null otherwise.

getBooleanProperty

public static boolean getBooleanProperty(String key)

Parameters:

key - the key to be looked into the PROPERTIES map of this class.

Returns:

the boolean value for the key provided, if found. Returns false when not found or the value is not a boolean type.

getIntegerProperty

public static Integer getIntegerProperty(String key)

Parameters:

key - the key to be looked into the PROPERTIES map of this class.

Returns:

the int value for the key provided, if found.

Throws:

NumberFormatException - if the found value is not a parseable number.

setProperty

public static void setProperty(String key,
                               String value)

Parameters:

key - the key to be set into the PROPERTIES map of this class.

value - the value to be set into the PROPERTIES map of this class, associated to the key specified.