org.apache.jena.atlas.lib
Class PropertyUtils

java.lang.Object
  org.apache.jena.atlas.lib.PropertyUtils

public class PropertyUtils
extends Object

Constructor Summary

PropertyUtils()

Method Summary

void	checkMetadata(Properties properties, String key, String expected) Check property has the vakue 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 void	loadFromFile(Properties properties, String filename)
static Properties	loadFromFile(String filename) Java5 does not have read/write from readers/writers - needed for UTF-8
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 Detail

PropertyUtils

public PropertyUtils()

Method Detail

loadFromFile

public static Properties loadFromFile(String filename)
                               throws IOException

Java5 does not have read/write from readers/writers - needed for UTF-8

Throws:

IOException

loadFromFile

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

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 vakue given - throw exception if not.