Github user alopresto commented on a diff in the pull request:
https://github.com/apache/nifi/pull/3020#discussion_r219714031
--- Diff:
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/PostHTTP.java
---
@@ -211,25 +215,29 @@
.required(false)
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.defaultValue(VersionInfo.getUserAgent("Apache-HttpClient",
"org.apache.http.client", HttpClientBuilder.class))
+
.expressionLanguageSupported(ExpressionLanguageScope.VARIABLE_REGISTRY)
.build();
public static final PropertyDescriptor COMPRESSION_LEVEL = new
PropertyDescriptor.Builder()
.name("Compression Level")
.description("Determines the GZIP Compression Level to use
when sending the file; the value must be in the range of 0-9. A value of 0
indicates that the file will not be GZIP'ed")
.required(true)
.addValidator(StandardValidators.createLongValidator(0, 9,
true))
.defaultValue("0")
+
.expressionLanguageSupported(ExpressionLanguageScope.VARIABLE_REGISTRY)
.build();
public static final PropertyDescriptor ATTRIBUTES_AS_HEADERS_REGEX =
new PropertyDescriptor.Builder()
.name("Attributes to Send as HTTP Headers (Regex)")
.description("Specifies the Regular Expression that determines
the names of FlowFile attributes that should be sent as HTTP Headers")
.addValidator(StandardValidators.REGULAR_EXPRESSION_VALIDATOR)
+
.expressionLanguageSupported(ExpressionLanguageScope.VARIABLE_REGISTRY)
--- End diff --
Accepting Expression Language in regex fields is difficult. Can you please
share what testing you performed for this field?
---
