org.apache.camel.util
Class CamelContextHelper

java.lang.Object
  org.apache.camel.util.CamelContextHelper

public final class CamelContextHelper
extends Object

A number of helper methods

Version:

$Revision: 751221 $

Method Summary

static <T> T	convertTo(CamelContext context, Class<T> type, Object value) Converts the given value to the requested type
static Endpoint	getEndpointInjection(CamelContext camelContext, String uri, String name, String injectionPointName, boolean mandatory) Evaluates the @EndpointInject annotation using the given context
<T> List<T>	getEndpoints(CamelContext camelContext, Class<T> type) Returns a list of all endpoints of the given type
static Endpoint	getMandatoryEndpoint(CamelContext camelContext, String uri) Returns the mandatory endpoint for the given URI or the NoSuchEndpointException is thrown
static <T extends Endpoint> T	getMandatoryEndpoint(CamelContext camelContext, String uri, Class<T> type) Returns the mandatory endpoint for the given URI and type or the NoSuchEndpointException is thrown
static <T> List<T>	getSingletonEndpoints(CamelContext camelContext, Class<T> type) Returns a list of all singleton endpoints of the given type
static Object	lookup(CamelContext context, String name) Look up the given named bean in the Registry on the CamelContext
static <T> T	lookup(CamelContext context, String name, Class<T> beanType) Look up the given named bean of the given type in the Registry on the CamelContext
static <T> T	mandatoryConvertTo(CamelContext context, Class<T> type, Object value) Converts the given value to the specified type throwing an IllegalArgumentException if the value could not be converted to a non null value
static Object	mandatoryLookup(CamelContext context, String name) Look up the given named bean in the Registry on the CamelContext or throws IllegalArgumentException if not found.
static <T> T	mandatoryLookup(CamelContext context, String name, Class<T> beanType) Look up the given named bean of the given type in the Registry on the CamelContext or throws IllegalArgumentException if not found.
static <T> T	newInstance(CamelContext context, Class<T> beanType) Creates a new instance of the given type using the Injector on the given CamelContext
static Expression	resolveMandatoryExpression(CamelContext camelContext, String languageName, String expressionText) Resolves the mandatory language name and expression text into a Expression instance throwing an exception if it could not be created
static Language	resolveMandatoryLanguage(CamelContext camelContext, String languageName) Resolves the given language name into a Language or throws an exception if it could not be converted

Methods inherited from class java.lang.Object

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

Method Detail

getMandatoryEndpoint

public static Endpoint getMandatoryEndpoint(CamelContext camelContext,
                                            String uri)
                                     throws NoSuchEndpointException

Returns the mandatory endpoint for the given URI or the NoSuchEndpointException is thrown

Throws:

NoSuchEndpointException

getMandatoryEndpoint

public static <T extends Endpoint> T getMandatoryEndpoint(CamelContext camelContext,
                                                          String uri,
                                                          Class<T> type)

Returns the mandatory endpoint for the given URI and type or the NoSuchEndpointException is thrown

getEndpoints

public <T> List<T> getEndpoints(CamelContext camelContext,
                                Class<T> type)

Returns a list of all endpoints of the given type

Parameters:

camelContext - the camel context

type - the type of the endpoints requested

Returns:

a list which may be empty of all the endpoint instances of the given type

getSingletonEndpoints

public static <T> List<T> getSingletonEndpoints(CamelContext camelContext,
                                                Class<T> type)

Returns a list of all singleton endpoints of the given type

Parameters:

camelContext - the camel context

type - the type of the endpoints requested

Returns:

a list which may be empty of all the endpoint instances of the given type

convertTo

public static <T> T convertTo(CamelContext context,
                              Class<T> type,
                              Object value)

Converts the given value to the requested type

mandatoryConvertTo

public static <T> T mandatoryConvertTo(CamelContext context,
                                       Class<T> type,
                                       Object value)

Converts the given value to the specified type throwing an IllegalArgumentException if the value could not be converted to a non null value

newInstance

public static <T> T newInstance(CamelContext context,
                                Class<T> beanType)

Creates a new instance of the given type using the Injector on the given CamelContext

lookup

public static Object lookup(CamelContext context,
                            String name)

Look up the given named bean in the Registry on the CamelContext

lookup

public static <T> T lookup(CamelContext context,
                           String name,
                           Class<T> beanType)

Look up the given named bean of the given type in the Registry on the CamelContext

mandatoryLookup

public static Object mandatoryLookup(CamelContext context,
                                     String name)

Look up the given named bean in the Registry on the CamelContext or throws IllegalArgumentException if not found.

mandatoryLookup

public static <T> T mandatoryLookup(CamelContext context,
                                    String name,
                                    Class<T> beanType)

Look up the given named bean of the given type in the Registry on the CamelContext or throws IllegalArgumentException if not found.

resolveMandatoryLanguage

public static Language resolveMandatoryLanguage(CamelContext camelContext,
                                                String languageName)

Resolves the given language name into a Language or throws an exception if it could not be converted

resolveMandatoryExpression

public static Expression resolveMandatoryExpression(CamelContext camelContext,
                                                    String languageName,
                                                    String expressionText)

Resolves the mandatory language name and expression text into a Expression instance throwing an exception if it could not be created

getEndpointInjection

public static Endpoint getEndpointInjection(CamelContext camelContext,
                                            String uri,
                                            String name,
                                            String injectionPointName,
                                            boolean mandatory)

Evaluates the @EndpointInject annotation using the given context