org.directwebremoting.extend
Class ContainerUtil

java.lang.Object
  org.directwebremoting.extend.ContainerUtil

public class ContainerUtil
extends java.lang.Object

An abstraction of all the common servlet operations that are required to host a DWR service that depends on the servlet spec. It would be good to have a base class for all servlet operations, however lack of MI prevents us from doing this.

Author:

Joe Walker [joe at getahead dot ltd dot uk]

Constructor Summary

ContainerUtil()

Method Summary

static boolean	getBooleanSetting(Container container, java.lang.String name, boolean defaultValue) Get an boolean setting from the Container.
static Handler	getHandlerForUrlProperty(Container container, java.lang.String property) Look up the Handler associated with the URL in the named URL property.
static int	getIntSetting(Container container, java.lang.String name, int defaultValue) Get an integer setting from the Container.

Methods inherited from class java.lang.Object

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

Constructor Detail

ContainerUtil

public ContainerUtil()

Method Detail

getBooleanSetting

public static boolean getBooleanSetting(Container container,
                                        java.lang.String name,
                                        boolean defaultValue)

Get an boolean setting from the Container.

Parameters:

container - The container to look into

name - The name of the setting to investigate

defaultValue - The value to return if none is given

Returns:

The value of the setting as an boolean, or the defaultValue if the setting is empty or not convertible.

getIntSetting

public static int getIntSetting(Container container,
                                java.lang.String name,
                                int defaultValue)

Get an integer setting from the Container.

Parameters:

container - The container to look into

name - The name of the setting to investigate

defaultValue - The value to return if none is given

Returns:

The value of the setting as an int, or the defaultValue if the setting is empty or not convertible.

getHandlerForUrlProperty

public static Handler getHandlerForUrlProperty(Container container,
                                               java.lang.String property)

Look up the Handler associated with the URL in the named URL property. F ex supply the property name "engineHandlerUrl" to look up EngineHandler.

Parameters:

container - The container to look into

property - a URL property name known by the container (usually declared in defaults.properties)

Returns:

the Handler registered on the URL