javax.mail.internet
Class ParameterList

java.lang.Object
  javax.mail.internet.ParameterList

public class ParameterList

extends java.lang.Object

This class holds MIME parameters (attribute-value pairs).

Version:

1.10, 03/02/12

Author:

John Mani

Constructor Summary

ParameterList()
No-arg Constructor.

ParameterList(java.lang.String s)
Constructor that takes a parameter-list string.

Method Summary

java.lang.String	get(java.lang.String name) Returns the value of the specified parameter.
java.util.Enumeration	getNames() Return an enumeration of the names of all parameters in this list.
void	remove(java.lang.String name) Removes the specified parameter from this ParameterList.
void	set(java.lang.String name, java.lang.String value) Set a parameter.
int	size() Return the number of parameters in this list.
java.lang.String	toString() Convert this ParameterList into a MIME String.
java.lang.String	toString(int used) Convert this ParameterList into a MIME String.

Methods inherited from class java.lang.Object

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

Constructor Detail

ParameterList

public ParameterList()

No-arg Constructor.

ParameterList

public ParameterList(java.lang.String s)
              throws ParseException

Constructor that takes a parameter-list string. The String is parsed and the parameters are collected and stored internally. A ParseException is thrown if the parse fails. Note that an empty parameter-list string is valid and will be parsed into an empty ParameterList.

Parameters:

s - the parameter-list string.

Throws:

ParseException - if the parse fails.

Method Detail

size

public int size()

Return the number of parameters in this list.

Returns:

number of parameters.

get

public java.lang.String get(java.lang.String name)

Returns the value of the specified parameter. Note that parameter names are case-insensitive.

Parameters:

name - parameter name.

Returns:

Value of the parameter. Returns null if the parameter is not present.

set

public void set(java.lang.String name,
                java.lang.String value)

Set a parameter. If this parameter already exists, it is replaced by this new value.

Parameters:

name - name of the parameter.

value - value of the parameter.

remove

public void remove(java.lang.String name)

Removes the specified parameter from this ParameterList. This method does nothing if the parameter is not present.

Parameters:

name - name of the parameter.

getNames

public java.util.Enumeration getNames()

Return an enumeration of the names of all parameters in this list.

Returns:

Enumeration of all parameter names in this list.

toString

public java.lang.String toString()

Convert this ParameterList into a MIME String. If this is an empty list, an empty string is returned.

Returns:

String

toString

public java.lang.String toString(int used)

Convert this ParameterList into a MIME String. If this is an empty list, an empty string is returned. The 'used' parameter specifies the number of character positions already taken up in the field into which the resulting parameter list is to be inserted. It's used to determine where to fold the resulting parameter list.

Parameters:

used - number of character positions already used, in the field into which the parameter list is to be inserted.

Returns:

String