io.silverware.microservices.util

Class DeploymentScanner

java.lang.Object

io.silverware.microservices.util.DeploymentScanner

public class DeploymentScanner
extends Object

Scanner of classpath to search for given classes, interface implementations and others.

Author:

Martin Večeřa

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DeploymentScanner.TransitiveInterfacesScanner
static class	DeploymentScanner.WarUrlType Vfs.UrlType for WAR files.

Method Summary

Modifier and Type	Method and Description
static DeploymentScanner	getContextInstance(Context context) Gets an instance of the scanner based on the information already stored in the provided Context.
static DeploymentScanner	getDefaultInstance() Gets the static default instance of the scanner.
static DeploymentScanner	getInstance(String... packages) Gets an instance of the scanner that is limited to the given packages.
static <T> List<T>	instantiate(Set<Class<T>> classes) Creates instances of the given classes using default constructor.
Set<Class<? extends MicroserviceProvider>>	lookupMicroserviceProviders() Searches for all available Microservice providers.
Set<String>	lookupResources(String pattern) Searches for all resources matching the given pattern.
Set	lookupSubtypes(Class clazz) Searches for all subtypes of the given class.

Methods inherited from class java.lang.Object

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

Method Detail

getDefaultInstance

public static DeploymentScanner getDefaultInstance()

Gets the static default instance of the scanner.

Returns:

The static default instance of the scanner.

getInstance

public static DeploymentScanner getInstance(String... packages)

Gets an instance of the scanner that is limited to the given packages.

Parameters:

packages - Packages to limit scanning to.

Returns:

An instance of the scanner that is limited to the given packages.

getContextInstance

public static DeploymentScanner getContextInstance(Context context)

Gets an instance of the scanner based on the information already stored in the provided Context.

Parameters:

context - A Context carrying the information needed to create the scanner.

Returns:

An instance of the scanner based on the information already stored in the provided

lookupMicroserviceProviders

public Set<Class<? extends MicroserviceProvider>> lookupMicroserviceProviders()

Searches for all available Microservice providers.

Returns:

All available Microservice provider classes.

lookupSubtypes

public Set lookupSubtypes(Class clazz)

Searches for all subtypes of the given class.

Parameters:

clazz - A class to search subtypes of.

Returns:

All available classes of the given subtype.

lookupResources

public Set<String> lookupResources(String pattern)

Searches for all resources matching the given pattern.

Parameters:

pattern - The pattern to match.

Returns:

All available resources matching the given pattern.

instantiate

public static <T> List<T> instantiate(Set<Class<T>> classes)
                               throws NoSuchMethodException,
                                      IllegalAccessException,
                                      InvocationTargetException,
                                      InstantiationException

Creates instances of the given classes using default constructor.

Type Parameters:

T - Common type of the classes.

Parameters:

classes - Classes to create instances of.

Returns:

Instances of the given classes.

Throws:

NoSuchMethodException - When there was no default constructor.

IllegalAccessException - When the default constructor is not visible.

InvocationTargetException - When it was not possible to invoke the constructor.

InstantiationException - When it was not possible to create an instance.