Gary Russell
705d33a30c
INT-4443: Use SimpleEC for uriVariablesExpression
JIRA: https://jira.spring.io/browse/INT-4443
**cherry-pick to 5.0.x, 4.3.x**
Polishing; use data binding accessor in test evaluation contexts.
Add `.withInstanceMethods()`
See https://jira.spring.io/browse/SPR-16588?focusedCommentId=158041&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-158041
* Polishing according PR comments
# Conflicts:
# build.gradle
# src/reference/asciidoc/changes-4.3-5.0.adoc
# Conflicts:
# build.gradle
# spring-integration-core/src/main/java/org/springframework/integration/expression/ExpressionUtils.java
# spring-integration-http/src/main/java/org/springframework/integration/http/config/HttpOutboundChannelAdapterParser.java
# spring-integration-http/src/main/java/org/springframework/integration/http/config/HttpOutboundGatewayParser.java
# spring-integration-http/src/main/java/org/springframework/integration/http/outbound/AbstractHttpRequestExecutingMessageHandler.java
# spring-integration-http/src/main/resources/org/springframework/integration/http/config/spring-integration-http-4.3.xsd
# spring-integration-http/src/test/java/org/springframework/integration/http/outbound/HttpRequestExecutingMessageHandlerTests.java
# spring-integration-http/src/test/java/org/springframework/integration/http/outbound/UriVariableExpressionTests.java
# src/reference/asciidoc/changes-4.2-4.3.adoc
# src/reference/asciidoc/http.adoc