org.apache.camel.support

Class CamelContextHelper

java.lang.Object

org.apache.camel.support.CamelContextHelper

public final class CamelContextHelper
extends Object

A number of helper methods

Field Summary

Fields

Modifier and Type	Field and Description
static String	MODEL_DOCUMENTATION_PREFIX

Method Summary

Modifier and Type	Method and Description
static <T> T	convertTo(org.apache.camel.CamelContext context, Class<T> type, Object value) Converts the given value to the requested type
static <T> T	findByType(org.apache.camel.CamelContext camelContext, Class<T> type) Look up a bean of the give type in the Registry on the CamelContext returning an instance if only one bean is present,
static Properties	getCamelPropertiesWithPrefix(String prefix, org.apache.camel.CamelContext camelContext) A helper method to access a camel context properties with a prefix
static org.apache.camel.Endpoint	getEndpointInjection(org.apache.camel.CamelContext camelContext, String uri, String injectionPointName, boolean mandatory) Evaluates the @EndpointInject annotation using the given context
static org.apache.camel.Endpoint	getMandatoryEndpoint(org.apache.camel.CamelContext camelContext, String uri) Returns the mandatory endpoint for the given URI or the NoSuchEndpointException is thrown
static <T extends org.apache.camel.Endpoint> T	getMandatoryEndpoint(org.apache.camel.CamelContext camelContext, String uri, Class<T> type) Returns the mandatory endpoint for the given URI and type or the NoSuchEndpointException is thrown
static int	getMaximumCachePoolSize(org.apache.camel.CamelContext camelContext) Gets the maximum cache pool size.
static int	getMaximumEndpointCacheSize(org.apache.camel.CamelContext camelContext) Gets the maximum endpoint cache size.
static int	getMaximumSimpleCacheSize(org.apache.camel.CamelContext camelContext) Gets the maximum simple cache size.
static int	getMaximumTransformerCacheSize(org.apache.camel.CamelContext camelContext) Gets the maximum transformer cache size.
static int	getMaximumValidatorCacheSize(org.apache.camel.CamelContext camelContext) Gets the maximum validator cache size.
static String	getRouteId(org.apache.camel.NamedNode node) Gets the route id the given node belongs to.
static int	getRouteStartupOrder(org.apache.camel.CamelContext camelContext, String routeId) Gets the route startup order for the given route id
static Object	lookup(org.apache.camel.CamelContext context, String name) Look up the given named bean in the Registry on the CamelContext
static <T> T	lookup(org.apache.camel.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	lookupAndConvert(org.apache.camel.CamelContext context, String name, Class<T> beanType) Look up the given named bean in the Registry on the CamelContext and try to convert it to the given type.
static <T> T	mandatoryConvertTo(org.apache.camel.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(org.apache.camel.CamelContext context, String name) Look up the given named bean in the Registry on the CamelContext or throws NoSuchBeanException if not found.
static <T> T	mandatoryLookup(org.apache.camel.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 NoSuchBeanException if not found.
static <T> T	mandatoryLookupAndConvert(org.apache.camel.CamelContext context, String name, Class<T> beanType) Look up the given named bean in the Registry on the CamelContext and convert it to the given type or throws NoSuchBeanException if not found.
static <T> T	newInstance(org.apache.camel.CamelContext context, Class<T> beanType) Creates a new instance of the given type using the Injector on the given CamelContext
static <T> T	parse(org.apache.camel.CamelContext camelContext, Class<T> clazz, String text) Parses the given text and converts it to the specified class and handling property placeholders as well
static Boolean	parseBoolean(org.apache.camel.CamelContext camelContext, String text) Parses the given text and converts it to an Boolean and handling property placeholders as well
static Double	parseDouble(org.apache.camel.CamelContext camelContext, String text) Parses the given text and converts it to a Double and handling property placeholders as well
static Float	parseFloat(org.apache.camel.CamelContext camelContext, String text) Parses the given text and converts it to a Float and handling property placeholders as well
static Integer	parseInt(org.apache.camel.CamelContext camelContext, String text) Parses the given text and converts it to an Integer and handling property placeholders as well
static Integer	parseInteger(org.apache.camel.CamelContext camelContext, String text) Parses the given text and converts it to an Integer and handling property placeholders as well
static Long	parseLong(org.apache.camel.CamelContext camelContext, String text) Parses the given text and converts it to an Long and handling property placeholders as well
static String	parseText(org.apache.camel.CamelContext camelContext, String text) Parses the given text and handling property placeholders as well
static <T> T	tryConvertTo(org.apache.camel.CamelContext context, Class<T> type, Object value) Tried to convert the given value to the requested type

Methods inherited from class java.lang.Object

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

Field Detail

MODEL_DOCUMENTATION_PREFIX

public static final String MODEL_DOCUMENTATION_PREFIX

See Also:

Constant Field Values

Method Detail

getMandatoryEndpoint

public static org.apache.camel.Endpoint getMandatoryEndpoint(org.apache.camel.CamelContext camelContext,
                                                             String uri)
                                                      throws org.apache.camel.NoSuchEndpointException

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

Throws:

org.apache.camel.NoSuchEndpointException

getMandatoryEndpoint

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

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

convertTo

public static <T> T convertTo(org.apache.camel.CamelContext context,
                              Class<T> type,
                              Object value)

Converts the given value to the requested type

tryConvertTo

public static <T> T tryConvertTo(org.apache.camel.CamelContext context,
                                 Class<T> type,
                                 Object value)

Tried to convert the given value to the requested type

mandatoryConvertTo

public static <T> T mandatoryConvertTo(org.apache.camel.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(org.apache.camel.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(org.apache.camel.CamelContext context,
                            String name)

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

lookup

public static <T> T lookup(org.apache.camel.CamelContext context,
                           String name,
                           Class<T> beanType)

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

lookupAndConvert

public static <T> T lookupAndConvert(org.apache.camel.CamelContext context,
                                     String name,
                                     Class<T> beanType)

Look up the given named bean in the Registry on the CamelContext and try to convert it to the given type.

findByType

public static <T> T findByType(org.apache.camel.CamelContext camelContext,
                               Class<T> type)

Look up a bean of the give type in the Registry on the CamelContext returning an instance if only one bean is present,

mandatoryLookup

public static Object mandatoryLookup(org.apache.camel.CamelContext context,
                                     String name)

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

mandatoryLookup

public static <T> T mandatoryLookup(org.apache.camel.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 NoSuchBeanException if not found.

mandatoryLookupAndConvert

public static <T> T mandatoryLookupAndConvert(org.apache.camel.CamelContext context,
                                              String name,
                                              Class<T> beanType)

Look up the given named bean in the Registry on the CamelContext and convert it to the given type or throws NoSuchBeanException if not found.

getEndpointInjection

public static org.apache.camel.Endpoint getEndpointInjection(org.apache.camel.CamelContext camelContext,
                                                             String uri,
                                                             String injectionPointName,
                                                             boolean mandatory)

Evaluates the @EndpointInject annotation using the given context

getMaximumCachePoolSize

public static int getMaximumCachePoolSize(org.apache.camel.CamelContext camelContext)
                                   throws IllegalArgumentException

Gets the maximum cache pool size.

Will use the property set on CamelContext with the key Exchange.MAXIMUM_CACHE_POOL_SIZE. If no property has been set, then it will fallback to return a size of 1000.

Parameters:

camelContext - the camel context

Returns:

the maximum cache size

Throws:

IllegalArgumentException - is thrown if the property is illegal

getMaximumEndpointCacheSize

public static int getMaximumEndpointCacheSize(org.apache.camel.CamelContext camelContext)
                                       throws IllegalArgumentException

Gets the maximum endpoint cache size.

Will use the property set on CamelContext with the key Exchange.MAXIMUM_ENDPOINT_CACHE_SIZE. If no property has been set, then it will fallback to return a size of 1000.

Parameters:

camelContext - the camel context

Returns:

the maximum cache size

Throws:

IllegalArgumentException - is thrown if the property is illegal

getMaximumSimpleCacheSize

public static int getMaximumSimpleCacheSize(org.apache.camel.CamelContext camelContext)
                                     throws IllegalArgumentException

Gets the maximum simple cache size.

Will use the property set on CamelContext with the key Exchange.MAXIMUM_SIMPLE_CACHE_SIZE. If no property has been set, then it will fallback to return a size of 1000.

Parameters:

camelContext - the camel context

Returns:

the maximum cache size

Throws:

IllegalArgumentException - is thrown if the property is illegal

getMaximumTransformerCacheSize

public static int getMaximumTransformerCacheSize(org.apache.camel.CamelContext camelContext)
                                          throws IllegalArgumentException

Gets the maximum transformer cache size.

Will use the property set on CamelContext with the key Exchange.MAXIMUM_TRANSFORMER_CACHE_SIZE. If no property has been set, then it will fallback to return a size of 1000.

Parameters:

camelContext - the camel context

Returns:

the maximum cache size

Throws:

IllegalArgumentException - is thrown if the property is illegal

getMaximumValidatorCacheSize

public static int getMaximumValidatorCacheSize(org.apache.camel.CamelContext camelContext)
                                        throws IllegalArgumentException

Gets the maximum validator cache size.

Will use the property set on CamelContext with the key Exchange.MAXIMUM_VALIDATOR_CACHE_SIZE. If no property has been set, then it will fallback to return a size of 1000.

Parameters:

camelContext - the camel context

Returns:

the maximum cache size

Throws:

IllegalArgumentException - is thrown if the property is illegal

parseText

public static String parseText(org.apache.camel.CamelContext camelContext,
                               String text)

Parses the given text and handling property placeholders as well

Parameters:

camelContext - the camel context

text - the text

Returns:

the parsed text, or null if the text was null

Throws:

IllegalStateException - is thrown if illegal argument

parseInteger

public static Integer parseInteger(org.apache.camel.CamelContext camelContext,
                                   String text)

Parses the given text and converts it to an Integer and handling property placeholders as well

Parameters:

camelContext - the camel context

text - the text

Returns:

the integer vale, or null if the text was null

Throws:

IllegalStateException - is thrown if illegal argument or type conversion not possible

parseInt

public static Integer parseInt(org.apache.camel.CamelContext camelContext,
                               String text)

Parses the given text and converts it to an Integer and handling property placeholders as well

Parameters:

camelContext - the camel context

text - the text

Returns:

the int value, or null if the text was null

Throws:

IllegalStateException - is thrown if illegal argument or type conversion not possible

parseLong

public static Long parseLong(org.apache.camel.CamelContext camelContext,
                             String text)

Parses the given text and converts it to an Long and handling property placeholders as well

Parameters:

camelContext - the camel context

text - the text

Returns:

the long value, or null if the text was null

Throws:

IllegalStateException - is thrown if illegal argument or type conversion not possible

parseFloat

public static Float parseFloat(org.apache.camel.CamelContext camelContext,
                               String text)

Parses the given text and converts it to a Float and handling property placeholders as well

Parameters:

camelContext - the camel context

text - the text

Returns:

the float value, or null if the text was null

Throws:

IllegalStateException - is thrown if illegal argument or type conversion not possible

parseDouble

public static Double parseDouble(org.apache.camel.CamelContext camelContext,
                                 String text)

Parses the given text and converts it to a Double and handling property placeholders as well

Parameters:

camelContext - the camel context

text - the text

Returns:

the double vale, or null if the text was null

Throws:

IllegalStateException - is thrown if illegal argument or type conversion not possible

parseBoolean

public static Boolean parseBoolean(org.apache.camel.CamelContext camelContext,
                                   String text)

Parses the given text and converts it to an Boolean and handling property placeholders as well

Parameters:

camelContext - the camel context

text - the text

Returns:

the boolean vale, or null if the text was null

Throws:

IllegalArgumentException - is thrown if illegal argument or type conversion not possible

parse

public static <T> T parse(org.apache.camel.CamelContext camelContext,
                          Class<T> clazz,
                          String text)

Parses the given text and converts it to the specified class and handling property placeholders as well

Parameters:

camelContext - the camel context

clazz - the class to convert the value to

text - the text

Returns:

the boolean vale, or null if the text was null

Throws:

IllegalArgumentException - is thrown if illegal argument or type conversion not possible

getRouteStartupOrder

public static int getRouteStartupOrder(org.apache.camel.CamelContext camelContext,
                                       String routeId)

Gets the route startup order for the given route id

Parameters:

camelContext - the camel context

routeId - the id of the route

Returns:

the startup order, or 0 if not possible to determine

getCamelPropertiesWithPrefix

public static Properties getCamelPropertiesWithPrefix(String prefix,
                                                      org.apache.camel.CamelContext camelContext)

A helper method to access a camel context properties with a prefix

Parameters:

prefix - the prefix

camelContext - the camel context

Returns:

the properties which holds the camel context properties with the prefix, and the key omit the prefix part

getRouteId

public static String getRouteId(org.apache.camel.NamedNode node)

Gets the route id the given node belongs to.

Parameters:

node - the node

Returns:

the route id, or null if not possible to find