com.ctrip.framework.foundation.internals.provider

Class NullProvider

java.lang.Object

com.ctrip.framework.foundation.internals.provider.NullProvider

All Implemented Interfaces:

ApplicationProvider, NetworkProvider, Provider, ServerProvider

public class NullProvider
extends Object
implements ApplicationProvider, NetworkProvider, ServerProvider

Constructor Summary

Constructors

Constructor and Description
NullProvider()

Method Summary

Methods

Modifier and Type	Method and Description
String	getAppId()
String	getDataCenter()
String	getEnvType()
String	getHostAddress()
String	getHostName()
String	getProperty(String name, String defaultValue) Return the property value with the given name, or defaultValue if the name doesn't exist.
Class<? extends Provider>	getType()
void	initialize() Initialize the provider
void	initialize(InputStream in) Initialize the application provider with the specified input stream
boolean	isAppIdSet()
boolean	isDataCenterSet()
boolean	isEnvTypeSet()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

NullProvider

public NullProvider()

Method Detail

getType

public Class<? extends Provider> getType()

Specified by:

getType in interface Provider

Returns:

the current provider's type

getProperty

public String getProperty(String name,
                 String defaultValue)

Description copied from interface: Provider

Return the property value with the given name, or defaultValue if the name doesn't exist.

Specified by:

getProperty in interface Provider

Parameters:

name - the property name

defaultValue - the default value when name is not found or any error occurred

Returns:

the property value

initialize

public void initialize()

Description copied from interface: Provider

Initialize the provider

Specified by:

initialize in interface Provider

getAppId

public String getAppId()

Specified by:

getAppId in interface ApplicationProvider

Returns:

the application's app id

isAppIdSet

public boolean isAppIdSet()

Specified by:

isAppIdSet in interface ApplicationProvider

Returns:

whether the application's app id is set or not

getEnvType

public String getEnvType()

Specified by:

getEnvType in interface ServerProvider

Returns:

current environment or null if not set

isEnvTypeSet

public boolean isEnvTypeSet()

Specified by:

isEnvTypeSet in interface ServerProvider

Returns:

whether current environment is set or not

getDataCenter

public String getDataCenter()

Specified by:

getDataCenter in interface ServerProvider

Returns:

current data center or null if not set

isDataCenterSet

public boolean isDataCenterSet()

Specified by:

isDataCenterSet in interface ServerProvider

Returns:

whether data center is set or not

initialize

public void initialize(InputStream in)

Description copied from interface: ApplicationProvider

Initialize the application provider with the specified input stream

Specified by:

initialize in interface ApplicationProvider

Specified by:

initialize in interface ServerProvider

getHostAddress

public String getHostAddress()

Specified by:

getHostAddress in interface NetworkProvider

Returns:

the host address, i.e. ip

getHostName

public String getHostName()

Specified by:

getHostName in interface NetworkProvider

Returns:

the host name

toString

public String toString()

Overrides:

toString in class Object