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MapPreferences - JBOSS Portal 2.4 API 英文版文档

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org.jboss.portal.common.prefs
Class MapPreferences

java.lang.Object
  org.jboss.portal.common.prefs.MapPreferences

All Implemented Interfaces:

Preferences, ValueMap

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public class MapPreferences

extends java.lang.Object

implements Preferences

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Constructor Summary

MapPreferences()

MapPreferences(java.util.Map map)

 

Method Summary
java.util.Set	getKeys()           Return the key set of the map.
Value	getValue(java.lang.String key)           Return the value for the given key or null if it does not exist.
boolean	isReadOnly(java.lang.String key)           Return the read only value for the given preference.
void	setReadOnly(java.lang.String key, boolean readOnly)           Update the read only value for the given key.
void	setValue(java.lang.String key, Value value)           Update the value of the given key.

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

MapPreferences

public MapPreferences()

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MapPreferences

public MapPreferences(java.util.Map map)

Method Detail

getKeys

public java.util.Set getKeys()

Description copied from interface: ValueMap

Return the key set of the map.

Specified by:

getKeys in interface ValueMap

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getValue

public Value getValue(java.lang.String key)
               throws java.lang.IllegalArgumentException

Description copied from interface: ValueMap

Return the value for the given key or null if it does not exist.

Specified by:

getValue in interface ValueMap

Parameters:

key - the requested key

Returns:

the requested value or null if it does not exist

Throws:

java.lang.IllegalArgumentException - if the key is null

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isReadOnly

public boolean isReadOnly(java.lang.String key)

Description copied from interface: Preferences

Return the read only value for the given preference.

Specified by:

isReadOnly in interface Preferences

Parameters:

key - the requested key

Returns:

the read only value

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setValue

public void setValue(java.lang.String key,
                     Value value)
              throws java.lang.IllegalArgumentException,
                     java.lang.UnsupportedOperationException

Description copied from interface: ValueMap

Update the value of the given key. If the value object is null it means that the entry must be removed. Implementation can throw an unsupported operation exception when it is abnormal to perform an update.

Specified by:

setValue in interface ValueMap

Parameters:

key - the key to update

value - the new value

Throws:

java.lang.UnsupportedOperationException - if the operation is not supported

java.lang.IllegalArgumentException - if the key is null

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setReadOnly

public void setReadOnly(java.lang.String key,
                        boolean readOnly)

Description copied from interface: Preferences

Update the read only value for the given key. Implementation can throw an unsupported operation exception when it is abnormal to perform an update.

Specified by:

setReadOnly in interface Preferences

Parameters:

key - the key to update

readOnly - the new read only value

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