io.netty.handler.codec

Class HeadersUtils

java.lang.Object

io.netty.handler.codec.HeadersUtils

public final class HeadersUtils
extends Object

Provides utility methods related to Headers.

Method Summary

Modifier and Type	Method and Description
static <K,V> List<String>	getAllAsString(Headers<K,V,?> headers, K name) Headers.get(Object) and convert each element of List to a String.
static <K,V> String	getAsString(Headers<K,V,?> headers, K name) Headers.get(Object) and convert the result to a String.
static Iterator<Map.Entry<String,String>>	iteratorAsString(Iterable<Map.Entry<CharSequence,CharSequence>> headers) Headers.iterator() which converts each Map.Entry's key and value to a String.
static Set<String>	namesAsString(Headers<CharSequence,CharSequence,?> headers) Headers.names() and convert each element of Set to a String.

Methods inherited from class java.lang.Object

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

Method Detail

getAllAsString

public static <K,V> List<String> getAllAsString(Headers<K,V,?> headers,
                                                K name)

Headers.get(Object) and convert each element of List to a String.

Parameters:

name - the name of the header to retrieve

Returns:

a List of header values or an empty List if no values are found.

getAsString

public static <K,V> String getAsString(Headers<K,V,?> headers,
                                       K name)

Headers.get(Object) and convert the result to a String.

Parameters:

headers - the headers to get the name from

name - the name of the header to retrieve

Returns:

the first header value if the header is found. null if there's no such entry.

iteratorAsString

public static Iterator<Map.Entry<String,String>> iteratorAsString(Iterable<Map.Entry<CharSequence,CharSequence>> headers)

Headers.iterator() which converts each Map.Entry's key and value to a String.

namesAsString

public static Set<String> namesAsString(Headers<CharSequence,CharSequence,?> headers)

Headers.names() and convert each element of Set to a String.

Parameters:

headers - the headers to get the names from

Returns:

a Set of header values or an empty Set if no values are found.