org.freehep.util

Class Factory

java.lang.Object

org.freehep.util.Factory

public class Factory
extends java.lang.Object

Methods to use factories (a la JAXP).

Method Summary

Modifier and Type	Method and Description
static java.lang.String	findFactory(java.lang.String factoryName, java.lang.String factoryFile, java.lang.String defaultFactory) Find the correct factory name, based on the following procedure: Use the specified system property: factoryName.
static java.lang.Object	loadFactory(java.lang.String name, java.lang.String file, java.lang.String defaultImplementation)

Methods inherited from class java.lang.Object

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

Method Detail

findFactory

public static java.lang.String findFactory(java.lang.String factoryName,
                                           java.lang.String factoryFile,
                                           java.lang.String defaultFactory)

Find the correct factory name, based on the following procedure:

1. Use the specified system property: factoryName.
2. Use the specified property file in JAVA_HOME/lib/ and the specified property: factoryName.
3. Use the Services API (as detailed in the JAR specification) to look for the classname in META-INF/services/.
4. Use the specfied default factory: defaultFactory.

Parameters:

factoryName - name to be used for lookup

factoryFile - filename to look for in JAVA_HOME/lib

defaultFactory - name of the default factory

Returns:

the name of the factory according to the procedure above

loadFactory

public static java.lang.Object loadFactory(java.lang.String name,
                                           java.lang.String file,
                                           java.lang.String defaultImplementation)