Package org.takes.rs

Class RsHeaders.Smart

java.lang.Object

org.takes.rs.RsHeaders.Smart

All Implemented Interfaces:

Body, Head, Response, RsHeaders

Enclosing interface:

RsHeaders

public static final class RsHeaders.Smart
extends Object
implements RsHeaders

Smart decorator, with extra features.

The class is immutable and thread-safe.

Since:

0.16

Nested Class Summary

Nested classes/interfaces inherited from interface org.takes.rs.RsHeaders

RsHeaders.Base, RsHeaders.Smart

Constructor Summary

Constructors

Constructor	Description
Smart(Response req)	Ctor.
Smart(RsHeaders req)	Ctor.

Method Summary

Modifier and Type	Method	Description
InputStream	body()	Body.
Iterable<String>	head()	All lines above the body.
List<String>	header(CharSequence name)	Get single header.
Set<String>	names()	Get all header names.
String	single(CharSequence name)	Get single header or throw HTTP exception.
String	single(CharSequence name, CharSequence def)	If header is present, returns the first header value.

Methods inherited from class java.lang.Object

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

Constructor Detail

Smart

public Smart(RsHeaders req)

Ctor.

Parameters:

req - Original request

Smart

public Smart(Response req)

Ctor.

Parameters:

req - Original request

Method Detail

header

public List<String> header(CharSequence name)
                    throws IOException

Description copied from interface: RsHeaders

Get single header.

Specified by:

header in interface RsHeaders

Parameters:

name - Header name

Returns:

List of values (can be empty)

Throws:

IOException - If fails

names

public Set<String> names()
                  throws IOException

Description copied from interface: RsHeaders

Get all header names.

Specified by:

names in interface RsHeaders

Returns:

All names

Throws:

IOException - If fails

head

public Iterable<String> head()
                      throws IOException

Description copied from interface: Head

All lines above the body.

Specified by:

head in interface Head

Returns:

List of lines

Throws:

IOException - If something goes wrong

body

public InputStream body()
                 throws IOException

Description copied from interface: Body

Body.

Specified by:

body in interface Body

Returns:

Stream with body

Throws:

IOException - If something goes wrong

single

public String single(CharSequence name)
              throws IOException

Get single header or throw HTTP exception.

Parameters:

name - Name of header

Returns:

Value of it

Throws:

IOException - If fails

single

public String single(CharSequence name,
                     CharSequence def)
              throws IOException

If header is present, returns the first header value. If not, returns a default value.

Parameters:

name - Name of header key

def - Default value

Returns:

Header Value or default value

Throws:

IOException - If fails