Module org.apache.jena.base

Package org.apache.jena.atlas.lib

Class PropertyUtils

java.lang.Object

org.apache.jena.atlas.lib.PropertyUtils

public class PropertyUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
PropertyUtils()

Method Summary

Modifier and Type	Method	Description
void	checkMetadata(Properties properties, String key, String expected)	Check property has the value given - throw exception if not.
void	checkOrSetProperty(Properties properties, String key, String expected)	Check property is an expected value or set if missing
void	ensurePropertySet(Properties properties, String key, String expected)	Set property if not already set.
String	getOrSetDefault(Properties properties, String key, String expected)	Get property or the default value - also set the default value if not present
static Boolean	getPropertyAsBoolean(Properties properties, String key)
static boolean	getPropertyAsBoolean(Properties properties, String key, boolean dftValue)
static int	getPropertyAsInteger(Properties properties, String key)
static int	getPropertyAsInteger(Properties properties, String key, int defaultValue)
static Properties	loadFromFile(String filename)	Load properties from a file if the file exists
static void	loadFromFile(Properties properties, String filename)	Load properties from a file if the file exists
boolean	propertyEquals(Properties properties, String key, String value)	Test whether a property has a value.
static void	storeToFile(Properties properties, String comment, String filename)

Methods inherited from class java.lang.Object

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

Constructor Details

PropertyUtils

public PropertyUtils()

Method Details

loadFromFile

public static Properties loadFromFile(String filename)
                               throws IOException

Load properties from a file if the file exists

Throws:

IOException

loadFromFile

public static void loadFromFile(Properties properties,
 String filename)
                         throws IOException

Load properties from a file if the file exists

Throws:

IOException

storeToFile

public static void storeToFile(Properties properties,
 String comment,
 String filename)
                        throws IOException

Throws:

IOException

getPropertyAsInteger

public static int getPropertyAsInteger(Properties properties,
 String key)

getPropertyAsInteger

public static int getPropertyAsInteger(Properties properties,
 String key,
 int defaultValue)

getPropertyAsBoolean

public static boolean getPropertyAsBoolean(Properties properties,
 String key,
 boolean dftValue)

getPropertyAsBoolean

public static Boolean getPropertyAsBoolean(Properties properties,
 String key)

propertyEquals

public boolean propertyEquals(Properties properties,
 String key,
 String value)

Test whether a property has a value. Null tests equal to not present.

ensurePropertySet

public void ensurePropertySet(Properties properties,
 String key,
 String expected)

Set property if not already set.

getOrSetDefault

public String getOrSetDefault(Properties properties,
 String key,
 String expected)

Get property or the default value - also set the default value if not present

checkOrSetProperty

public void checkOrSetProperty(Properties properties,
 String key,
 String expected)

Check property is an expected value or set if missing

checkMetadata

public void checkMetadata(Properties properties,
 String key,
 String expected)

Check property has the value given - throw exception if not.