org.apache.shindig.protocol
Class HandlerPreconditions

java.lang.Object
  org.apache.shindig.protocol.HandlerPreconditions

public final class HandlerPreconditions
extends Object

Utility class for common API call preconditions

Method Summary

static void	requireEmpty(Collection<?> coll, String message)
static void	requireNotEmpty(Collection<?> coll, String message)
static void	requirePlural(Collection<?> coll, String message)
static void	requireSingular(Collection<?> coll, String message)

Methods inherited from class java.lang.Object

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

Method Detail

requireNotEmpty

public static void requireNotEmpty(Collection<?> coll,
                                   String message)
                            throws ProtocolException

Throws:

ProtocolException

requireEmpty

public static void requireEmpty(Collection<?> coll,
                                String message)
                         throws ProtocolException

Throws:

ProtocolException

requireSingular

public static void requireSingular(Collection<?> coll,
                                   String message)
                            throws ProtocolException

Throws:

ProtocolException

requirePlural

public static void requirePlural(Collection<?> coll,
                                 String message)
                          throws ProtocolException

Throws:

ProtocolException