java.lang.Object
- org.springframework.messaging.support.AbstractHeaderMapper<T>

Type Parameters:
T - type of the instance to and from which headers will be mapped
All Implemented Interfaces:
HeaderMapper<T>
Direct Known Subclasses:
SimpleJmsHeaderMapper
```
public abstract class AbstractHeaderMapper<T>
extends Object
implements HeaderMapper<T>
```
A base HeaderMapper implementation.
Since:
4.1
Author:
Stephane Nicoll

Field Summary
Fields
Modifier and Type Field Description
protected Log logger

Constructor Summary
Constructors
Constructor Description
AbstractHeaderMapper()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected String`	`fromHeaderName(String headerName)`	Generate the name to use to set the header defined by the specified `headerName` to the protocol specific message.
`protected <V> V`	`getHeaderIfAvailable(Map<String,Object> headers, String name, Class<V> type)`	Return the header value, or `null` if it does not exist or does not match the requested `type`.
`void`	`setInboundPrefix(String inboundPrefix)`	Specify a prefix to be appended to the message header name for any user-defined property that is being mapped into the MessageHeaders.
`void`	`setOutboundPrefix(String outboundPrefix)`	Specify a prefix to be appended to the protocol property name for any user-defined message header that is being mapped into the protocol-specific Message.
`protected String`	`toHeaderName(String propertyName)`	Generate the name to use to set the header defined by the specified `propertyName` to the `MessageHeaders` instance.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.springframework.messaging.support.HeaderMapper
fromHeaders, toHeaders

- Field Detail
  - logger
```
protected final Log logger
```
- Constructor Detail
  - AbstractHeaderMapper
```
public AbstractHeaderMapper()
```
- Method Detail
  - setInboundPrefix
```
public void setInboundPrefix(@Nullable
                             String inboundPrefix)
```
    Specify a prefix to be appended to the message header name for any user-defined property that is being mapped into the MessageHeaders. The default is an empty String (no prefix).
  - setOutboundPrefix
```
public void setOutboundPrefix(@Nullable
                              String outboundPrefix)
```
    Specify a prefix to be appended to the protocol property name for any user-defined message header that is being mapped into the protocol-specific Message. The default is an empty String (no prefix).
  - fromHeaderName
```
protected String fromHeaderName(String headerName)
```
    Generate the name to use to set the header defined by the specified headerName to the protocol specific message.
    See Also:
    setOutboundPrefix(java.lang.String)
  - toHeaderName
```
protected String toHeaderName(String propertyName)
```
    Generate the name to use to set the header defined by the specified propertyName to the MessageHeaders instance.
    See Also:
    setInboundPrefix(String)
  - getHeaderIfAvailable
```
@Nullable
protected <V> V getHeaderIfAvailable(Map<String,Object> headers,
                                     String name,
                                     Class<V> type)
```
    Return the header value, or null if it does not exist or does not match the requested type.

Class AbstractHeaderMapper<T>

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface org.springframework.messaging.support.HeaderMapper

Field Detail

logger

Constructor Detail

AbstractHeaderMapper

Method Detail

setInboundPrefix

setOutboundPrefix

fromHeaderName

toHeaderName

getHeaderIfAvailable