Package org.apache.http.message

Class BufferedHeader

java.lang.Object

org.apache.http.message.BufferedHeader

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, FormattedHeader, Header

public class BufferedHeader
extends java.lang.Object
implements FormattedHeader, java.lang.Cloneable, java.io.Serializable

This class represents a raw HTTP header whose content is parsed 'on demand' only when the header value needs to be consumed.

Since:

4.0

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
BufferedHeader(CharArrayBuffer buffer)	Creates a new header from a buffer.

Method Summary

Modifier and Type	Method	Description
java.lang.Object	clone()
CharArrayBuffer	getBuffer()	Obtains the buffer with the formatted header.
HeaderElement[]	getElements()	Parses the value.
java.lang.String	getName()	Get the name of the Header.
java.lang.String	getValue()	Get the value of the Header.
int	getValuePos()	Obtains the start of the header value in the buffer.
java.lang.String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

BufferedHeader

public BufferedHeader(CharArrayBuffer buffer)
               throws ParseException

Creates a new header from a buffer. The name of the header will be parsed immediately, the value only if it is accessed.

Parameters:

buffer - the buffer containing the header to represent

Throws:

ParseException - in case of a parse error

Method Detail

getName

public java.lang.String getName()

Description copied from interface: Header

Get the name of the Header.

Specified by:

getName in interface Header

Returns:

the name of the Header, never null

getValue

public java.lang.String getValue()

Description copied from interface: Header

Get the value of the Header.

Specified by:

getValue in interface Header

Returns:

the value of the Header, may be null

getElements

public HeaderElement[] getElements()
                            throws ParseException

Description copied from interface: Header

Parses the value.

Specified by:

getElements in interface Header

Returns:

an array of HeaderElement entries, may be empty, but is never null

Throws:

ParseException - in case of a parsing error

getValuePos

public int getValuePos()

Description copied from interface: FormattedHeader

Obtains the start of the header value in the buffer. By accessing the value in the buffer, creation of a temporary string can be avoided.

Specified by:

getValuePos in interface FormattedHeader

Returns:

index of the first character of the header value in the buffer returned by getBuffer.

getBuffer

public CharArrayBuffer getBuffer()

Description copied from interface: FormattedHeader

Obtains the buffer with the formatted header. The returned buffer MUST NOT be modified.

Specified by:

getBuffer in interface FormattedHeader

Returns:

the formatted header, in a buffer that must not be modified

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Throws:

java.lang.CloneNotSupportedException