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Extract Field Action: Add the possibility of setting the header name in case of headerOutput is true #690

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merged 2 commits into from
Jan 10, 2022
Merged

Extract Field Action: Add the possibility of setting the header name in case of headerOutput is true #690

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Extract Field Action: Add the possibility of setting the header name …
oscerd Jan 10, 2022
6cea257
Extract Field Action: Add the possibility of setting the header name …
oscerd Jan 10, 2022
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13 changes: 12 additions & 1 deletion kamelets/extract-field-action.kamelet.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,10 @@ spec:

The optional parameter headerOutput allows the user to specify wheter the extracted field should be stored in a message header named 'CamelKameletsExtractFieldName', leaving the message body untouched.

The headerOutput is particulary useful in case you would like to reuse an extracted field as parameters for another header, for example.
The optional parameter headerOutputName allows the user to specify a custom header name instead of the default 'CamelKameletsExtractFieldName'. This parameter must be used in conjunction with headerOutput.
If no headerOutputName parameter will be provided, the default 'CamelKameletsExtractFieldName' will be used.

The headerOutput/headerOutputName parameters are particulary useful in case you would like to reuse an extracted field as parameter for another header, for example.
required:
- field
properties:
Expand All @@ -53,6 +56,11 @@ spec:
default: false
x-descriptors:
- 'urn:alm:descriptor:com.tectonic.ui:checkbox'
headerOutputName:
title: Header Output Name
description: A custom name for the header containing the extracted field
default: "none"
type: string
type: object
dependencies:
- "github:apache.camel-kamelets:camel-kamelets-utils:main-SNAPSHOT"
Expand Down Expand Up @@ -80,6 +88,9 @@ spec:
- set-property:
name: "headerOutput"
constant: "{{headerOutput}}"
- set-property:
name: "headerOutputName"
constant: "{{headerOutputName}}"
- bean: "org.apache.camel.kamelets.utils.transform.ExtractField"
- choice:
when:
Expand Down
8 changes: 6 additions & 2 deletions ...-kamelets-utils/src/main/java/org/apache/camel/kamelets/utils/transform/ExtractField.java
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Expand Up @@ -27,15 +27,19 @@

public class ExtractField {

public void process(@ExchangeProperty("field") String field, @ExchangeProperty("headerOutput") boolean headerOutput, Exchange ex) {
public void process(@ExchangeProperty("field") String field, @ExchangeProperty("headerOutput") boolean headerOutput, @ExchangeProperty("headerOutputName") String headerOutputName, Exchange ex) {
final String EXTRACTED_FIELD_HEADER = "CamelKameletsExtractFieldName";
ObjectMapper mapper = new ObjectMapper();
JsonNode jsonNodeBody = ex.getMessage().getBody(JsonNode.class);
Map<Object, Object> body = mapper.convertValue(jsonNodeBody, new TypeReference<Map<Object, Object>>(){});
if (!headerOutput) {
ex.getMessage().setBody(body.get(field));
} else {
ex.getMessage().setHeader(EXTRACTED_FIELD_HEADER, body.get(field));
if ("none".equalsIgnoreCase(headerOutputName)) {
ex.getMessage().setHeader(EXTRACTED_FIELD_HEADER, body.get(field));
} else {
ex.getMessage().setHeader(headerOutputName, body.get(field));
}
}
}

Expand Down
13 changes: 12 additions & 1 deletion library/camel-kamelets/src/main/resources/kamelets/extract-field-action.kamelet.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,10 @@ spec:

The optional parameter headerOutput allows the user to specify wheter the extracted field should be stored in a message header named 'CamelKameletsExtractFieldName', leaving the message body untouched.

The headerOutput is particulary useful in case you would like to reuse an extracted field as parameters for another header, for example.
The optional parameter headerOutputName allows the user to specify a custom header name instead of the default 'CamelKameletsExtractFieldName'. This parameter must be used in conjunction with headerOutput.
If no headerOutputName parameter will be provided, the default 'CamelKameletsExtractFieldName' will be used.

The headerOutput/headerOutputName parameters are particulary useful in case you would like to reuse an extracted field as parameter for another header, for example.
required:
- field
properties:
Expand All @@ -53,6 +56,11 @@ spec:
default: false
x-descriptors:
- 'urn:alm:descriptor:com.tectonic.ui:checkbox'
headerOutputName:
title: Header Output Name
description: A custom name for the header containing the extracted field
default: "none"
type: string
type: object
dependencies:
- "github:apache.camel-kamelets:camel-kamelets-utils:main-SNAPSHOT"
Expand Down Expand Up @@ -80,6 +88,9 @@ spec:
- set-property:
name: "headerOutput"
constant: "{{headerOutput}}"
- set-property:
name: "headerOutputName"
constant: "{{headerOutputName}}"
- bean: "org.apache.camel.kamelets.utils.transform.ExtractField"
- choice:
when:
Expand Down