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Java Source Code / Java Documentation » IDE Eclipse » Eclipse plug in development » org.eclipse.pde.internal.core.util 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.util.Dictionary
      org.eclipse.pde.internal.core.util.Headers

Headers
public class Headers extends Dictionary implements Map(Code)
Headers classes. This class implements a Dictionary that has the following behavior:
  • put and remove clear throw UnsupportedOperationException. The Dictionary is thus read-only to others.
  • The String keys in the Dictionary are case-preserved, but the get operation is case-insensitive.

since:
   3.3

Inner Class :class ArrayEnumeration implements Enumeration


Constructor Summary
public  Headers(int initialCapacity)
     Create an empty Headers dictionary.
public  Headers(Dictionary values)
     Create a Headers dictionary from a Dictionary.

Method Summary
public synchronized  voidclear()
    
public synchronized  booleancontainsKey(Object key)
    
public  booleancontainsValue(Object var0)
    
public synchronized  Enumerationelements()
     Values.
public  SetentrySet()
    
public synchronized  Objectget(Object key)
     Support case-insensitivity for keys.
public synchronized  booleanisEmpty()
     Tests if this dictionary maps no keys to value.
public  SetkeySet()
    
public synchronized  Enumerationkeys()
     Case-preserved keys.
public synchronized  Objectput(Object key, Object value)
     Always throws UnsupportedOperationException.
public  voidputAll(Map var0)
    
public  Objectremove(Object key)
     Always throws UnsupportedOperationException.
public synchronized  Objectset(Object key, Object value, boolean replace)
     Set a header value or optionally replace it if it already exists.
Parameters:
  key - Key name.
Parameters:
  value - Value of the key or null to remove key.
Parameters:
  replace - A value of true will allow a previousvalue of the key to be replaced.
public synchronized  Objectset(Object key, Object value)
     Set a header value.
Parameters:
  key - Key name.
Parameters:
  value - Value of the key or null to remove key.
public synchronized  voidsetReadOnly()
    
public synchronized  intsize()
     Returns the number of entries (distinct keys) in this dictionary.
public  StringtoString()
    
public  Collectionvalues()
    


Constructor Detail
Headers
public Headers(int initialCapacity)(Code)
Create an empty Headers dictionary.
Parameters:
  initialCapacity - The initial capacity of this Headers object.



Headers
public Headers(Dictionary values)(Code)
Create a Headers dictionary from a Dictionary.
Parameters:
  values - The initial dictionary for this Headers object.
exception:
  IllegalArgumentException - If a case-variant of the key isin the dictionary parameter.




Method Detail
clear
public synchronized void clear()(Code)



containsKey
public synchronized boolean containsKey(Object key)(Code)



containsValue
public boolean containsValue(Object var0)(Code)



elements
public synchronized Enumeration elements()(Code)
Values.



entrySet
public Set entrySet()(Code)



get
public synchronized Object get(Object key)(Code)
Support case-insensitivity for keys.
Parameters:
  key - name.



isEmpty
public synchronized boolean isEmpty()(Code)
Tests if this dictionary maps no keys to value. The general contract for the isEmpty method is that the result is true if and only if this dictionary contains no entries. true if this dictionary maps no keys to values;false otherwise.



keySet
public Set keySet()(Code)



keys
public synchronized Enumeration keys()(Code)
Case-preserved keys.



put
public synchronized Object put(Object key, Object value)(Code)
Always throws UnsupportedOperationException.
Parameters:
  key - header name.
Parameters:
  value - header value.
throws:
  UnsupportedOperationException -



putAll
public void putAll(Map var0)(Code)



remove
public Object remove(Object key)(Code)
Always throws UnsupportedOperationException.
Parameters:
  key - header name.
throws:
  UnsupportedOperationException -



set
public synchronized Object set(Object key, Object value, boolean replace)(Code)
Set a header value or optionally replace it if it already exists.
Parameters:
  key - Key name.
Parameters:
  value - Value of the key or null to remove key.
Parameters:
  replace - A value of true will allow a previousvalue of the key to be replaced. A value of false will cause an IllegalArgumentException to be thrown if a previous value of the key exists. the previous value to which the key was mapped,or null if the key did not have a previous mapping.
exception:
  IllegalArgumentException - If a case-variant of the key isalready present.
since:
   3.2



set
public synchronized Object set(Object key, Object value)(Code)
Set a header value.
Parameters:
  key - Key name.
Parameters:
  value - Value of the key or null to remove key. the previous value to which the key was mapped,or null if the key did not have a previous mapping.
exception:
  IllegalArgumentException - If a case-variant of the key isalready present.



setReadOnly
public synchronized void setReadOnly()(Code)



size
public synchronized int size()(Code)
Returns the number of entries (distinct keys) in this dictionary. the number of keys in this dictionary.



toString
public String toString()(Code)



values
public Collection values()(Code)



Methods inherited from java.util.Dictionary
abstract public Enumeration<V> elements()(Code)(Java Doc)
abstract public V get(Object key)(Code)(Java Doc)
abstract public boolean isEmpty()(Code)(Java Doc)
abstract public Enumeration<K> keys()(Code)(Java Doc)
abstract public V put(K key, V value)(Code)(Java Doc)
abstract public V remove(Object key)(Code)(Java Doc)
abstract public int size()(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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