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INT-1760, INT-1759 Http outbound gateway response type

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Change the default expected response type to ResponseEntity

Add support for expected-response-type-expression attribute
to accept SpEL to determine expected response type.

INT-1760, INT-1759 add documentation.

INT-1760, INT-1759 polished javadocs and schema doc

INT-1760, INT-1759 more polishing

INT-1760, INT-1759 polished documentation based on PR

INT-1760 Polishing

Fix Chain test.
This commit is contained in:
Oleg Zhurakousky
2012-06-06 12:33:34 -04:00
committed by Gary Russell
parent e6520821d1
commit 6bbe8057ab
12 changed files with 320 additions and 27 deletions
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8
src/reference/docbook/http.xml
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@@ -246,8 +246,8 @@ In the case of the Outbound Gateway, the reply message produced by the gateway w
<para>
To configure the outbound gateway you can use the namespace support as well. The following code snippet shows the different configuration options for an outbound Http gateway. Most importantly, notice that the 'http-method' and 'expected-response-type' are provided. Those are two of the most commonly configured values. The
default http-method is POST, and the default response type is <emphasis>null</emphasis>. With a null response type, the payload of the reply Message would only
contain the status code (e.g. 200) as long as it's a successful status (non-successful status codes will throw Exceptions). If you are expecting a different
default http-method is POST, and the default response type is <emphasis>null</emphasis>. With a null response type, the payload of the reply Message would
contain the ResponseEntity as long as it's http status is a success (non-successful status codes will throw Exceptions). If you are expecting a different
type, such as a <classname>String</classname>, then provide that fully-qualified class name as shown below.
</para>
<programlisting language="xml"><![CDATA[<int-http:outbound-gateway id="example"
@@ -268,12 +268,14 @@ In the case of the Outbound Gateway, the reply message produced by the gateway w
<para>
Beginning with Spring Integration 2.2 you can also determine the HTTP Method dynamically using SpEL and the <emphasis>http-method-expression</emphasis> attribute.
Note that this attribute is obviously murually exclusive with <emphasis>http-method</emphasis>
You can also use <code>expected-response-type-expression</code> attribute instead of <code>expected-response-type</code> and
provide any valid SpEL expression that determines the type of the response.
<programlisting language="xml"><![CDATA[<int-http:outbound-gateway id="example"
request-channel="requests"
url="http://localhost/test"
http-method-expression="headers.httpMethod"
extract-request-payload="false"
expected-response-type="java.lang.String"
expected-response-type-expression="payload"
charset="UTF-8"
request-factory="requestFactory"
reply-timeout="1234"