| org.apache.turbine.services.TurbineBaseService
 org.apache.turbine.services.factory.TurbineFactoryService
| TurbineFactoryService | | public class TurbineFactoryService extends TurbineBaseService implements FactoryService(Code) | | The Factory Service instantiates objects using specified
class loaders. If none is specified, the default one
will be used.
author:
Ilkka Priha
version:
$Id: TurbineFactoryService.java 534527 2007-05-02 16:10:59Z tv $ |
| Field Summary | |
| final public static String | CLASS_LOADERS
The property specifying a set of additional class loaders. | | final public static String | OBJECT_FACTORY
The property prefix specifying additional object factories. |
| Method Summary | |
| protected Factory | getFactory(String className)
Gets a customized factory for a named class.
Parameters:
className - the name of the class to load. | | public Object | getInstance(String className)
Gets an instance of a named class.
Parameters:
className - the name of the class. | | public Object | getInstance(String className, ClassLoader loader)
Gets an instance of a named class using a specified class loader.
Class loaders are supported only if the isLoaderSupported
method returns true. | | public Object | getInstance(String className, Object[] params, String[] signature)
Gets an instance of a named class.
Parameters for its constructor are given as an array of objects,
primitive types must be wrapped with a corresponding class.
Parameters:
className - the name of the class.
Parameters:
params - an array containing the parameters of the constructor.
Parameters:
signature - an array containing the signature of the constructor. | | public Object | getInstance(String className, ClassLoader loader, Object[] params, String[] signature)
Gets an instance of a named class using a specified class loader.
Parameters for its constructor are given as an array of objects,
primitive types must be wrapped with a corresponding class.
Class loaders are supported only if the isLoaderSupported
method returns true. | | protected Object | getInstance(Class clazz)
Gets an instance of a specified class.
Parameters:
clazz - the class. | | protected Object | getInstance(Class clazz, Object params, String signature)
Gets an instance of a specified class.
Parameters for its constructor are given as an array of objects,
primitive types must be wrapped with a corresponding class.
Parameters:
clazz - the class.
Parameters:
params - an array containing the parameters of the constructor.
Parameters:
signature - an array containing the signature of the constructor. | | protected static Class | getPrimitiveClass(String type)
Gets the class of a primitive type.
Parameters:
type - a primitive type. | | public Class[] | getSignature(Class clazz, Object params, String signature)
Gets the signature classes for parameters of a method of a class.
Parameters:
clazz - the class.
Parameters:
params - an array containing the parameters of the method.
Parameters:
signature - an array containing the signature of the method. | | public void | init()
Initializes the service by loading default class loaders
and customized object factories. | | public boolean | isLoaderSupported(String className)
Tests if specified class loaders are supported for a named class.
Parameters:
className - the name of the class. | | protected Class | loadClass(String className)
Loads the named class using the default class loader.
Parameters:
className - the name of the class to load. | | protected Class | loadClass(String className, ClassLoader loader)
Loads the named class using a specified class loader.
Parameters:
className - the name of the class to load.
Parameters:
loader - the loader to use. | | protected Object | switchObjectContext(Object object, ClassLoader loader)
Switches an object into the context of a different class loader. |
| CLASS_LOADERS | | final public static String CLASS_LOADERS(Code) | | The property specifying a set of additional class loaders.
|
| OBJECT_FACTORY | | final public static String OBJECT_FACTORY(Code) | | The property prefix specifying additional object factories.
|
| TurbineFactoryService | | public TurbineFactoryService()(Code) | | Constructs a Factory Service.
|
| getFactory | | protected Factory getFactory(String className) throws TurbineException(Code) | | Gets a customized factory for a named class.
Parameters:
className - the name of the class to load. the factory or null if not specified.
throws:
TurbineException - if instantiation of the factory fails. |
| getInstance | | public Object getInstance(String className, ClassLoader loader) throws TurbineException(Code) | | Gets an instance of a named class using a specified class loader.
Class loaders are supported only if the isLoaderSupported
method returns true. Otherwise the loader parameter is ignored.
Parameters:
className - the name of the class.
Parameters:
loader - the class loader. the instance.
throws:
TurbineException - if instantiation fails. |
| getInstance | | public Object getInstance(String className, Object[] params, String[] signature) throws TurbineException(Code) | | Gets an instance of a named class.
Parameters for its constructor are given as an array of objects,
primitive types must be wrapped with a corresponding class.
Parameters:
className - the name of the class.
Parameters:
params - an array containing the parameters of the constructor.
Parameters:
signature - an array containing the signature of the constructor. the instance.
throws:
TurbineException - if instantiation fails. |
| getInstance | | public Object getInstance(String className, ClassLoader loader, Object[] params, String[] signature) throws TurbineException(Code) | | Gets an instance of a named class using a specified class loader.
Parameters for its constructor are given as an array of objects,
primitive types must be wrapped with a corresponding class.
Class loaders are supported only if the isLoaderSupported
method returns true. Otherwise the loader parameter is ignored.
Parameters:
className - the name of the class.
Parameters:
loader - the class loader.
Parameters:
params - an array containing the parameters of the constructor.
Parameters:
signature - an array containing the signature of the constructor. the instance.
throws:
TurbineException - if instantiation fails. |
| getInstance | | protected Object getInstance(Class clazz, Object params, String signature) throws TurbineException(Code) | | Gets an instance of a specified class.
Parameters for its constructor are given as an array of objects,
primitive types must be wrapped with a corresponding class.
Parameters:
clazz - the class.
Parameters:
params - an array containing the parameters of the constructor.
Parameters:
signature - an array containing the signature of the constructor. the instance.
throws:
TurbineException - if instantiation fails. |
| getPrimitiveClass | | protected static Class getPrimitiveClass(String type)(Code) | | Gets the class of a primitive type.
Parameters:
type - a primitive type. the corresponding class, or null. |
| getSignature | | public Class[] getSignature(Class clazz, Object params, String signature) throws ClassNotFoundException(Code) | | Gets the signature classes for parameters of a method of a class.
Parameters:
clazz - the class.
Parameters:
params - an array containing the parameters of the method.
Parameters:
signature - an array containing the signature of the method. an array of signature classes. Note that in some casesobjects in the parameter array can be switched to the contextof a different class loader.
throws:
ClassNotFoundException - if any of the classes is not found. |
| isLoaderSupported | | public boolean isLoaderSupported(String className) throws TurbineException(Code) | | Tests if specified class loaders are supported for a named class.
Parameters:
className - the name of the class. true if class loaders are supported, false otherwise.
throws:
TurbineException - if test fails. |
| switchObjectContext | | protected Object switchObjectContext(Object object, ClassLoader loader)(Code) | | Switches an object into the context of a different class loader.
Parameters:
object - an object to switch.
Parameters:
loader - the loader of the new context. |
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