Package org.apache.felix.scr.impl.helper
Class ReadOnlyDictionary
- java.lang.Object
-
- java.util.Dictionary<java.lang.String,java.lang.Object>
-
- org.apache.felix.scr.impl.helper.ReadOnlyDictionary
-
- All Implemented Interfaces:
java.lang.Comparable<ReadOnlyDictionary>
,java.util.Map<java.lang.String,java.lang.Object>
public class ReadOnlyDictionary extends java.util.Dictionary<java.lang.String,java.lang.Object> implements java.util.Map<java.lang.String,java.lang.Object>, java.lang.Comparable<ReadOnlyDictionary>
TheReadOnlyDictionary
is both aDictionary
and aMap
whose modification methods (likeDictionary.put(Object, Object)
,remove(Object)
, etc.) throw anUnsupportedOperationException
.
-
-
Field Summary
Fields Modifier and Type Field Description private java.util.Hashtable<java.lang.String,java.lang.Object>
m_delegate
private org.osgi.framework.ServiceReference<?>
m_serviceReference
-
Constructor Summary
Constructors Constructor Description ReadOnlyDictionary(java.util.Map<java.lang.String,java.lang.Object> delegate)
Creates a wrapper for the given delegate dictionary providing read only access to the data.ReadOnlyDictionary(org.osgi.framework.ServiceReference<?> serviceReference)
Creates a wrapper for the given service reference providing read only access to the reference properties.
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
clear()
int
compareTo(ReadOnlyDictionary o)
boolean
containsKey(java.lang.Object key)
boolean
containsValue(java.lang.Object value)
java.util.Enumeration<java.lang.Object>
elements()
java.util.Set<java.util.Map.Entry<java.lang.String,java.lang.Object>>
entrySet()
java.lang.Object
get(java.lang.Object key)
boolean
isEmpty()
java.util.Enumeration<java.lang.String>
keys()
java.util.Set<java.lang.String>
keySet()
java.lang.Object
put(java.lang.String key, java.lang.Object value)
This method has no effect and always returnsnull
as this instance is read-only and cannot modify and properties.void
putAll(java.util.Map<? extends java.lang.String,? extends java.lang.Object> m)
java.lang.Object
remove(java.lang.Object key)
This method has no effect and always returnsnull
as this instance is read-only and cannot modify and properties.int
size()
java.lang.String
toString()
java.util.Collection<java.lang.Object>
values()
-
-
-
Constructor Detail
-
ReadOnlyDictionary
public ReadOnlyDictionary(java.util.Map<java.lang.String,java.lang.Object> delegate)
Creates a wrapper for the given delegate dictionary providing read only access to the data.
-
ReadOnlyDictionary
public ReadOnlyDictionary(org.osgi.framework.ServiceReference<?> serviceReference)
Creates a wrapper for the given service reference providing read only access to the reference properties.
-
-
Method Detail
-
elements
public java.util.Enumeration<java.lang.Object> elements()
- Specified by:
elements
in classjava.util.Dictionary<java.lang.String,java.lang.Object>
-
get
public java.lang.Object get(java.lang.Object key)
- Specified by:
get
in interfacejava.util.Map<java.lang.String,java.lang.Object>
- Specified by:
get
in classjava.util.Dictionary<java.lang.String,java.lang.Object>
-
isEmpty
public boolean isEmpty()
- Specified by:
isEmpty
in interfacejava.util.Map<java.lang.String,java.lang.Object>
- Specified by:
isEmpty
in classjava.util.Dictionary<java.lang.String,java.lang.Object>
-
keys
public java.util.Enumeration<java.lang.String> keys()
- Specified by:
keys
in classjava.util.Dictionary<java.lang.String,java.lang.Object>
-
put
public java.lang.Object put(java.lang.String key, java.lang.Object value)
This method has no effect and always returnsnull
as this instance is read-only and cannot modify and properties.- Specified by:
put
in interfacejava.util.Map<java.lang.String,java.lang.Object>
- Specified by:
put
in classjava.util.Dictionary<java.lang.String,java.lang.Object>
-
remove
public java.lang.Object remove(java.lang.Object key)
This method has no effect and always returnsnull
as this instance is read-only and cannot modify and properties.- Specified by:
remove
in interfacejava.util.Map<java.lang.String,java.lang.Object>
- Specified by:
remove
in classjava.util.Dictionary<java.lang.String,java.lang.Object>
-
size
public int size()
- Specified by:
size
in interfacejava.util.Map<java.lang.String,java.lang.Object>
- Specified by:
size
in classjava.util.Dictionary<java.lang.String,java.lang.Object>
-
toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
-
clear
public void clear()
- Specified by:
clear
in interfacejava.util.Map<java.lang.String,java.lang.Object>
-
containsKey
public boolean containsKey(java.lang.Object key)
- Specified by:
containsKey
in interfacejava.util.Map<java.lang.String,java.lang.Object>
-
containsValue
public boolean containsValue(java.lang.Object value)
- Specified by:
containsValue
in interfacejava.util.Map<java.lang.String,java.lang.Object>
-
entrySet
public java.util.Set<java.util.Map.Entry<java.lang.String,java.lang.Object>> entrySet()
- Specified by:
entrySet
in interfacejava.util.Map<java.lang.String,java.lang.Object>
-
keySet
public java.util.Set<java.lang.String> keySet()
- Specified by:
keySet
in interfacejava.util.Map<java.lang.String,java.lang.Object>
-
putAll
public void putAll(java.util.Map<? extends java.lang.String,? extends java.lang.Object> m)
- Specified by:
putAll
in interfacejava.util.Map<java.lang.String,java.lang.Object>
-
values
public java.util.Collection<java.lang.Object> values()
- Specified by:
values
in interfacejava.util.Map<java.lang.String,java.lang.Object>
-
compareTo
public int compareTo(ReadOnlyDictionary o)
- Specified by:
compareTo
in interfacejava.lang.Comparable<ReadOnlyDictionary>
-
-