org.ros.internal.message
Class MessageDefinitionProviderChain

java.lang.Object
  org.ros.internal.message.MessageDefinitionProviderChain

All Implemented Interfaces:

MessageDefinitionProvider

public class MessageDefinitionProviderChain
extends java.lang.Object
implements MessageDefinitionProvider

Constructor Summary

MessageDefinitionProviderChain()

Method Summary

void	addMessageDefinitionProvider(MessageDefinitionProvider messageDefinitionProvider)
java.lang.String	get(java.lang.String messageType)
java.util.Collection<MessageIdentifier>	getMessageIdentifiersByPackage(java.lang.String pkg)
java.util.Collection<java.lang.String>	getPackages()
boolean	has(java.lang.String messageType)

Methods inherited from class java.lang.Object

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

Constructor Detail

MessageDefinitionProviderChain

public MessageDefinitionProviderChain()

Method Detail

addMessageDefinitionProvider

public void addMessageDefinitionProvider(MessageDefinitionProvider messageDefinitionProvider)

get

public java.lang.String get(java.lang.String messageType)

Specified by:

get in interface MessageDefinitionProvider

Parameters:

messageType - the type of message definition to provide

Returns:

the message definition for the specified type

has

public boolean has(java.lang.String messageType)

Specified by:

has in interface MessageDefinitionProvider

Parameters:

messageType - the type of message definition to provide

Returns:

true if the definition for the specified type is available, false otherwise

getPackages

public java.util.Collection<java.lang.String> getPackages()

Specified by:

getPackages in interface MessageDefinitionProvider

getMessageIdentifiersByPackage

public java.util.Collection<MessageIdentifier> getMessageIdentifiersByPackage(java.lang.String pkg)

Specified by:

getMessageIdentifiersByPackage in interface MessageDefinitionProvider

Parameters:

pkg - the name of the package to filter on

Returns:

the MessageIdentifiers for all messages defined in the specified package