org.opennms.core.utils
Class PropertiesUtils

java.lang.Object
  org.opennms.core.utils.PropertiesUtils

public abstract class PropertiesUtils
extends Object

PropertiesUtils class.

Version:

$Id: $

Author:

ranger

Nested Class Summary

static interface

PropertiesUtils.SymbolTable

Constructor Summary

PropertiesUtils()

Method Summary

static boolean	getProperty(Properties props, String name, boolean defaultVal) Get a boolean valued property, returning default value if it is not set or is set to an invalid value.
static int	getProperty(Properties props, String name, int defaultVal) Get a int valued property, returning default value if it is not set or is set to an invalid value.
static long	getProperty(Properties props, String name, long defaultVal) Get a long valued property, returning default value if it is not set or is set to an invalid value
static String	getProperty(Properties props, String name, String defaultVal) Get a String valued property, returning default value if it is not set or is set to an invalid value.
static String	substitute(String initialString, Properties... propertiesArray) This recursively substitutes occurrences ${property.name} in initialString with the value of the property property.name taken from the supplied properties object.
static String	substitute(String initialString, Properties properties, String prefix, String suffix) substitute
static String	substitute(String initialString, PropertiesUtils.SymbolTable... symbolsArray) substitute

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertiesUtils

public PropertiesUtils()

Method Detail

substitute

public static String substitute(String initialString,
                                Properties... propertiesArray)

This recursively substitutes occurrences ${property.name} in initialString with the value of the property property.name taken from the supplied properties object. If property.name is not defined in properties that the substitution is not done.

Parameters:

initialString - the string to perform the substitutions in

propertiesArray - a Properties object.

Returns:

The string with appropriate substitutions made.

substitute

public static String substitute(String initialString,
                                Properties properties,
                                String prefix,
                                String suffix)

substitute

Parameters:

initialString - a String object.

properties - a Properties object.

prefix - a String object.

suffix - a String object.

Returns:

a String object.

substitute

public static String substitute(String initialString,
                                PropertiesUtils.SymbolTable... symbolsArray)

substitute

Parameters:

initialString - a String object.

symbolsArray - a PropertiesUtils.SymbolTable object.

Returns:

a String object.

getProperty

public static String getProperty(Properties props,
                                 String name,
                                 String defaultVal)

Get a String valued property, returning default value if it is not set or is set to an invalid value.

Parameters:

name - the property name

defaultVal - the default value to use if the property is not set

props - a Properties object.

Returns:

the value of the property

getProperty

public static boolean getProperty(Properties props,
                                  String name,
                                  boolean defaultVal)

Get a boolean valued property, returning default value if it is not set or is set to an invalid value.

Parameters:

name - the property name

defaultVal - the default value to use if the property is not set

props - a Properties object.

Returns:

the value of the property

getProperty

public static int getProperty(Properties props,
                              String name,
                              int defaultVal)

Get a int valued property, returning default value if it is not set or is set to an invalid value.

Parameters:

name - the property name

defaultVal - the default value to use if the property is not set

props - a Properties object.

Returns:

the value of the property

getProperty

public static long getProperty(Properties props,
                               String name,
                               long defaultVal)

Get a long valued property, returning default value if it is not set or is set to an invalid value

Parameters:

name - the property name

defaultVal - the default value to use if the property is not set

props - a Properties object.

Returns:

the value of the property