Package ru.vyarus.dropwizard.guice.module.installer.internal

Class ExtensionsSupport

java.lang.Object

ru.vyarus.dropwizard.guice.module.installer.internal.ExtensionsSupport

public final class ExtensionsSupport
extends java.lang.Object

Extensions installation utility.

Since:

01.09.2014

Method Summary

Modifier and Type	Method	Description
static FeatureInstaller	findInstaller(java.lang.Class<?> type, java.util.List<FeatureInstaller> installers)	Search for matching installer.
static void	installExtensions(ConfigurationContext context, com.google.inject.Injector injector)	Installs extensions by instance and type.
static boolean	registerExtension(ConfigurationContext context, java.lang.Class<?> type, boolean fromScan)	Register extension (manual or from classpath scan).
static boolean	registerExtension(ConfigurationContext context, java.lang.Class<?> type, FeatureInstaller installer, boolean fromScan)	Register extension.
static boolean	registerExtensionBinding(ConfigurationContext context, java.lang.Class<?> type, com.google.inject.Binding<?> manualBinding, java.lang.Class<? extends com.google.inject.Module> topDeclarationModule)	Register extension from guice binding.

Methods inherited from class java.lang.Object

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

Method Detail

registerExtension

public static boolean registerExtension(ConfigurationContext context,
                                        java.lang.Class<?> type,
                                        boolean fromScan)

Register extension (manual or from classpath scan).

Parameters:

context - configuration context

type - extension class

fromScan - true for classpath scan

Returns:

true if extension recognized by installers, false otherwise

registerExtension

public static boolean registerExtension(ConfigurationContext context,
                                        java.lang.Class<?> type,
                                        FeatureInstaller installer,
                                        boolean fromScan)

Register extension.

Parameters:

context - configuration context

type - extension type

installer - installer recognized extension (could be null)

fromScan - from classpath scan

Returns:

true if extension recognized

registerExtensionBinding

public static boolean registerExtensionBinding(ConfigurationContext context,
                                               java.lang.Class<?> type,
                                               com.google.inject.Binding<?> manualBinding,
                                               java.lang.Class<? extends com.google.inject.Module> topDeclarationModule)

Register extension from guice binding. Extensions annotated with InvisibleForScanner are ignored.

Parameters:

context - configuration context

type - extension type

manualBinding - guice binding from module

topDeclarationModule - top declaration module (which was manually added by user)

Returns:

true if extension recognized by installers, false otherwise

installExtensions

public static void installExtensions(ConfigurationContext context,
                                     com.google.inject.Injector injector)

Installs extensions by instance and type. Note that jersey extensions will be processed later after jersey startup.

Parameters:

context - configuration context

injector - guice injector

findInstaller

public static FeatureInstaller findInstaller(java.lang.Class<?> type,
                                             java.util.List<FeatureInstaller> installers)

Search for matching installer. Extension may match multiple installer, but only one will be actually used (note that installers are ordered).

Parameters:

type - extension type

installers - installers

Returns:

matching installer or null if no matching installer found