public interface MessageHeaders
| Modifier and Type | Method and Description | 
|---|---|
| boolean | containsHeader(String name)Checks if a certain header is present in this message. | 
| int | countHeaders(String name)Checks if a certain header is present in this message and how many times. | 
| Header | getFirstHeader(String name)Returns the first header with a specified name of this message. | 
| Header | getHeader(String name)Gets single first header with the given name. | 
| Header[] | getHeaders()Returns all the headers of this message. | 
| Header[] | getHeaders(String name)Returns all the headers with a specified name of this message. | 
| Header | getLastHeader(String name)Returns the last header with a specified name of this message. | 
| Iterator<Header> | headerIterator()Returns an iterator of all the headers. | 
| Iterator<Header> | headerIterator(String name)Returns an iterator of the headers with a given name. | 
boolean containsHeader(String name)
name - the header name to check for.int countHeaders(String name)
name - the header name to check for.Header getFirstHeader(String name)
getHeaders(String) is returned.
 If there is no matching header in the message null is
 returned.name - the name of the header to return.name
   or null if no such header could be found.Header getHeader(String name) throws ProtocolException
Header name comparison is case insensitive.
name - the name of the header to getnullProtocolException - in case multiple headers with the given name are found.Header[] getHeaders()
Header[] getHeaders(String name)
name - the name of the headers to return.name.Header getLastHeader(String name)
getHeaders(String) is returned. If there is no
 matching header in the message null is returned.name - the name of the header to return.name.
   or null if no such header could be found.Iterator<Header> headerIterator()
Iterator<Header> headerIterator(String name)
name - the name of the headers over which to iterate, or
                  null for all headersCopyright © 2005–2021 The Apache Software Foundation. All rights reserved.