org.apache.nutch.protocol.httpclient
Class MultiProperties

java.lang.Object
  java.util.Dictionary
      java.util.Hashtable
          java.util.Properties
              org.apache.nutch.protocol.httpclient.MultiProperties

All Implemented Interfaces:

Cloneable, Map, Serializable

public class MultiProperties

extends Properties

An extension to Properties which allows multiple values for a single key. The get(Object) method may return a single value or a Collection of values.

Author:

Matt Tencati

See Also:

Serialized Form

Field Summary

static Logger

LOG

Fields inherited from class java.util.Properties

defaults

Constructor Summary

MultiProperties()
Creates an empty MultiProperties list with no default values.

MultiProperties(Properties defaults)
Creates an empty MultiProperties list with the specified defaults.

Method Summary

Object	get(Object key) Returns the value associated with the given key.
Object	put(Object key, Object value) Adds the given value using the key
void	putAll(Map t) Add all entries of the given map to this MultiProperties list.
String	toString() A string representation of this MultiProperties list.

Methods inherited from class java.util.Properties

getProperty, getProperty, list, list, load, propertyNames, save, setProperty, store

Methods inherited from class java.util.Hashtable

clear, clone, contains, containsKey, containsValue, elements, entrySet, equals, hashCode, isEmpty, keys, keySet, rehash, remove, size, values

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

LOG

public static final Logger LOG

Constructor Detail

MultiProperties

public MultiProperties()

Creates an empty MultiProperties list with no default values.

MultiProperties

public MultiProperties(Properties defaults)

Creates an empty MultiProperties list with the specified defaults.

Parameters:

defaults - A Properties object to use as default values

Method Detail

put

public Object put(Object key,
                  Object value)
           throws NullPointerException

Adds the given value using the key

Parameters:

key - The key for the value

value - The value to store in the Property map

Throws:

NullPointerException

See Also:

Dictionary.put(java.lang.Object, java.lang.Object)

putAll

public void putAll(Map t)
            throws NullPointerException

Add all entries of the given map to this MultiProperties list. The entries will be added using the key retrieved from Map.keySet()

Parameters:

t - The Map object which containts the values to add.

Throws:

NullPointerException

See Also:

Map.putAll(java.util.Map)

get

public Object get(Object key)
           throws NullPointerException

Returns the value associated with the given key. The return object may be either a single value (String) or a Collection of values.

Parameters:

key - Used to lookup the value

Returns:

Returns a single value or multiple values if available

Throws:

NullPointerException

See Also:

Dictionary.get(java.lang.Object)

toString

public String toString()

A string representation of this MultiProperties list.

Returns:

A multi-line String object.

See Also:

Object.toString()