Package ipsk.util.services

Class ServicesInspector<S>

java.lang.Object

ipsk.util.services.ServicesInspector<S>

Direct Known Subclasses:

ServiceDescriptorsInspector

public class ServicesInspector<S>
extends java.lang.Object

Inspects classpath for service implementation classes. For instance finds JavaSound AudioFileReader implementations. Note: With JRE7 java.util.ServiceLoader there is an implementation with similar functionality but we need it with JRE5

Author:

Klaus Jaensch

Field Summary

Fields

Modifier and Type	Field	Description
static boolean	DEFAULT_UNIQUE

Constructor Summary

Constructors

Constructor	Description
ServicesInspector()
ServicesInspector(java.lang.Class<S> serviceClass)	Create service inspector for interface class.

Method Summary

Modifier and Type	Method	Description
java.util.List<ServiceDescriptor>	getServiceDescriptors()
java.util.List<ServiceDescriptor>	getServiceDescriptors(java.lang.Class<S> providerClass, java.lang.Class<? extends ServiceDescriptor> serviceDescriptorClass, java.lang.ClassLoader cl, boolean loadImplementationClass)
java.util.List<java.lang.Class<? extends S>>	getServiceImplementorClasses()
java.util.List<java.lang.Class<? extends S>>	getServiceImplementorClasses(boolean ignoreErrors)
java.util.List<java.lang.String>	getServiceImplementorClassnames()	Returns list of class names implementing the service.
protected java.util.List<java.lang.String>	getServiceImplementorClassnames(java.lang.String providerClassname)
boolean	isUnique()
static void	main(java.lang.String[] args)
protected java.util.List<java.lang.String>	readServiceImplementorClassnames(java.io.InputStream is)
void	setUnique(boolean unique)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_UNIQUE

public static final boolean DEFAULT_UNIQUE

See Also:

Constant Field Values

Constructor Detail

ServicesInspector

public ServicesInspector(java.lang.Class<S> serviceClass)

Create service inspector for interface class.

Parameters:

serviceClass - service class (same as parameter type S)

ServicesInspector

public ServicesInspector()

Method Detail

readServiceImplementorClassnames

protected java.util.List<java.lang.String> readServiceImplementorClassnames(java.io.InputStream is)
                                                                     throws java.io.IOException

Throws:

java.io.IOException

getServiceDescriptors

public java.util.List<ServiceDescriptor> getServiceDescriptors()
                                                        throws java.io.IOException

Throws:

java.io.IOException

getServiceDescriptors

public java.util.List<ServiceDescriptor> getServiceDescriptors(java.lang.Class<S> providerClass,
                                                               java.lang.Class<? extends ServiceDescriptor> serviceDescriptorClass,
                                                               java.lang.ClassLoader cl,
                                                               boolean loadImplementationClass)
                                                        throws java.io.IOException

Throws:

java.io.IOException

getServiceImplementorClassnames

public java.util.List<java.lang.String> getServiceImplementorClassnames()
                                                                 throws java.io.IOException

Returns list of class names implementing the service.

Returns:

list of class names implementing the service

Throws:

java.io.IOException

getServiceImplementorClassnames

protected java.util.List<java.lang.String> getServiceImplementorClassnames(java.lang.String providerClassname)
                                                                    throws java.io.IOException

Throws:

java.io.IOException

getServiceImplementorClasses

public java.util.List<java.lang.Class<? extends S>> getServiceImplementorClasses()
                                                                          throws java.io.IOException,
                                                                                 java.lang.ClassNotFoundException

Throws:

java.io.IOException

java.lang.ClassNotFoundException

getServiceImplementorClasses

public java.util.List<java.lang.Class<? extends S>> getServiceImplementorClasses(boolean ignoreErrors)
                                                                          throws java.io.IOException,
                                                                                 java.lang.ClassNotFoundException

Throws:

java.io.IOException

java.lang.ClassNotFoundException

isUnique

public boolean isUnique()

setUnique

public void setUnique(boolean unique)

main

public static void main(java.lang.String[] args)

Parameters:

args -