DefaultAsyncSupportResolver (atmosphere-project 2.4.8 API)

java.lang.Object
- org.atmosphere.cpr.DefaultAsyncSupportResolver

All Implemented Interfaces:

AsyncSupportResolver
```
public class DefaultAsyncSupportResolver
extends Object
implements AsyncSupportResolver
```
This is the default implementation of @link {AsyncSupportResolver}.

Author:

Viktor Klang

Field Summary

Fields
Modifier and Type	Field and Description
`static String`	`GLASSFISH_V2`
`static String`	`GRIZZLY`
`static String`	`GRIZZLY_WEBSOCKET`
`static String`	`GRIZZLY2`
`static String`	`GRIZZLY2_WEBSOCKET`
`static String`	`HK2`
`static String`	`JBOSS_5`
`static String`	`JBOSS_AS7_WEBSOCKET`
`static String`	`JBOSSWEB`
`static String`	`JETTY`
`static String`	`JETTY_7`
`static String`	`JETTY_8`
`static String`	`JETTY_9`
`static String`	`JSR356_WEBSOCKET`
`static String`	`NETTY`
`static String`	`SERVLET_30`
`static String`	`TOMCAT`
`static String`	`TOMCAT_7`
`static String`	`TOMCAT_WEBSOCKET`
`static String`	`WEBLOGIC_WEBSOCKET`

Constructor Summary

Constructors
Constructor and Description

DefaultAsyncSupportResolver(AtmosphereConfig config)

Constructors
Constructor and Description
`DefaultAsyncSupportResolver(AtmosphereConfig config)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`AsyncSupport`	`defaultCometSupport(boolean preferBlocking)` This method is used to determine the default AsyncSupport if all else fails.
`List<Class<? extends AsyncSupport>>`	`detectContainersPresent()` Returns a list of comet support by containers available on the classpath.
`List<Class<? extends AsyncSupport>>`	`detectWebSocketPresent(boolean useNativeIfPossible, boolean useServlet30Async)`
`AsyncSupport`	`newCometSupport(Class<? extends AsyncSupport> targetClass)` Given a Class of something that extends AsyncSupport, it tries to return an instance of that class.
`AsyncSupport`	`newCometSupport(String targetClassFQN)`
`AsyncSupport`	`resolve(boolean useNativeIfPossible, boolean defaultToBlocking)` This method is the general interface to the outside world.
`AsyncSupport`	`resolve(boolean useNativeIfPossible, boolean defaultToBlocking, boolean useServlet30Async)`
`protected AsyncSupport`	`resolveMultipleNativeSupportConflict(List<Class<? extends AsyncSupport>> available)` This method is called if there are more than one potential native container in scope.
`protected AsyncSupport`	`resolveNativeCometSupport(List<Class<? extends AsyncSupport>> available)` This method is called to determine which native comet support to the used.
`AsyncSupport`	`resolveWebSocket(List<Class<? extends AsyncSupport>> available)`
`protected boolean`	`testClassExists(String testClass)` Convenience method that tests if a class with the given FQN is present on the classpath.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - SERVLET_30
```
public static final String SERVLET_30
```
    See Also:
    
    Constant Field Values
  - GLASSFISH_V2
```
public static final String GLASSFISH_V2
```
    See Also:
    
    Constant Field Values
  - TOMCAT_7
```
public static final String TOMCAT_7
```
    See Also:
    
    Constant Field Values
  - TOMCAT_WEBSOCKET
```
public static final String TOMCAT_WEBSOCKET
```
    See Also:
    
    Constant Field Values
  - TOMCAT
```
public static final String TOMCAT
```
    See Also:
    
    Constant Field Values
  - JBOSS_5
```
public static final String JBOSS_5
```
    See Also:
    
    Constant Field Values
  - JETTY
```
public static final String JETTY
```
    See Also:
    
    Constant Field Values
  - JETTY_7
```
public static final String JETTY_7
```
    See Also:
    
    Constant Field Values
  - JETTY_8
```
public static final String JETTY_8
```
    See Also:
    
    Constant Field Values
  - JETTY_9
```
public static final String JETTY_9
```
    See Also:
    
    Constant Field Values
  - GRIZZLY
```
public static final String GRIZZLY
```
    See Also:
    
    Constant Field Values
  - GRIZZLY2
```
public static final String GRIZZLY2
```
    See Also:
    
    Constant Field Values
  - JBOSSWEB
```
public static final String JBOSSWEB
```
    See Also:
    
    Constant Field Values
  - GRIZZLY_WEBSOCKET
```
public static final String GRIZZLY_WEBSOCKET
```
    See Also:
    
    Constant Field Values
  - GRIZZLY2_WEBSOCKET
```
public static final String GRIZZLY2_WEBSOCKET
```
    See Also:
    
    Constant Field Values
  - NETTY
```
public static final String NETTY
```
    See Also:
    
    Constant Field Values
  - JBOSS_AS7_WEBSOCKET
```
public static final String JBOSS_AS7_WEBSOCKET
```
    See Also:
    
    Constant Field Values
  - JSR356_WEBSOCKET
```
public static final String JSR356_WEBSOCKET
```
    See Also:
    
    Constant Field Values
  - WEBLOGIC_WEBSOCKET
```
public static final String WEBLOGIC_WEBSOCKET
```
    See Also:
    
    Constant Field Values
  - HK2
```
public static final String HK2
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - DefaultAsyncSupportResolver
```
public DefaultAsyncSupportResolver(AtmosphereConfig config)
```
- Method Detail
  - testClassExists
```
protected boolean testClassExists(String testClass)
```
    Convenience method that tests if a class with the given FQN is present on the classpath.
    
    Parameters:
    
    testClass -
    
    Returns:
    
    true if the class is present
  - detectContainersPresent
```
public List<Class<? extends AsyncSupport>> detectContainersPresent()
```
    Returns a list of comet support by containers available on the classpath.
    
    Returns:
  - detectWebSocketPresent
```
public List<Class<? extends AsyncSupport>> detectWebSocketPresent(boolean useNativeIfPossible,
                                                                  boolean useServlet30Async)
```
  - defaultCometSupport
```
public AsyncSupport defaultCometSupport(boolean preferBlocking)
```
    This method is used to determine the default AsyncSupport if all else fails.
    
    Parameters:
    
    preferBlocking -
    
    Returns:
  - newCometSupport
```
public AsyncSupport newCometSupport(Class<? extends AsyncSupport> targetClass)
```
    Given a Class of something that extends AsyncSupport, it tries to return an instance of that class.
    The class has to have a visible constructor with the signature (@link {AtmosphereConfig}).
    
    Parameters:
    
    targetClass -
    
    Returns:
    
    an instance of the specified class or null if the class cannot be instantiated
  - newCometSupport
```
public AsyncSupport newCometSupport(String targetClassFQN)
```
  - resolve
```
public AsyncSupport resolve(boolean useNativeIfPossible,
                            boolean defaultToBlocking)
```
    This method is the general interface to the outside world.
    
    Parameters:
    
    useNativeIfPossible - - should the resolver try to use a native container comet support if present?
    
    defaultToBlocking - - should the resolver default to blocking IO comet support?
    
    Returns:
    
    an instance of AsyncSupport
  - resolve
```
public AsyncSupport resolve(boolean useNativeIfPossible,
                            boolean defaultToBlocking,
                            boolean useServlet30Async)
```
    Specified by:
    
    resolve in interface AsyncSupportResolver
  - resolveWebSocket
```
public AsyncSupport resolveWebSocket(List<Class<? extends AsyncSupport>> available)
```
  - resolveNativeCometSupport
```
protected AsyncSupport resolveNativeCometSupport(List<Class<? extends AsyncSupport>> available)
```
    This method is called to determine which native comet support to the used.
    
    Parameters:
    
    available -
    
    Returns:
    
    the result of @link {resolveMultipleNativeSupportConflict} if there are more than 1 item in the list of available ontainers
  - resolveMultipleNativeSupportConflict
```
protected AsyncSupport resolveMultipleNativeSupportConflict(List<Class<? extends AsyncSupport>> available)
```
    This method is called if there are more than one potential native container in scope.
    
    Returns:
    
    a AsyncSupport instance

Class DefaultAsyncSupportResolver

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

SERVLET_30

GLASSFISH_V2

TOMCAT_7

TOMCAT_WEBSOCKET

TOMCAT

JBOSS_5

JETTY

JETTY_7

JETTY_8

JETTY_9

GRIZZLY

GRIZZLY2

JBOSSWEB

GRIZZLY_WEBSOCKET

GRIZZLY2_WEBSOCKET

NETTY

JBOSS_AS7_WEBSOCKET

JSR356_WEBSOCKET

WEBLOGIC_WEBSOCKET

HK2

Constructor Detail

DefaultAsyncSupportResolver

Method Detail

testClassExists

detectContainersPresent

detectWebSocketPresent

defaultCometSupport

newCometSupport

newCometSupport

resolve

resolve

resolveWebSocket

resolveNativeCometSupport

resolveMultipleNativeSupportConflict