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Table of Contents

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  1. Preface
  2. Introduction to Transformations
  3. Transformation Ports
  4. Transformation Caches
  5. Address Validator Transformation
  6. Aggregator Transformation
  7. Association Transformation
  8. Bad Record Exception Transformation
  9. Case Converter Transformation
  10. Classifier Transformation
  11. Comparison Transformation
  12. Consolidation Transformation
  13. Data Masking Transformation
  14. Data Processor Transformation
  15. Decision Transformation
  16. Duplicate Record Exception Transformation
  17. Expression Transformation
  18. Filter Transformation
  19. Hierarchical to Relational Transformation
  20. Java Transformation
  21. Java Transformation API Reference
  22. Java Expressions
  23. Joiner Transformation
  24. Key Generator Transformation
  25. Labeler Transformation
  26. Lookup Transformation
  27. Lookup Caches
  28. Dynamic Lookup Cache
  29. Macro Transformation
  30. Match Transformation
  31. Match Transformations in Field Analysis
  32. Match Transformations in Identity Analysis
  33. Normalizer Transformation
  34. Merge Transformation
  35. Parser Transformation
  36. Python Transformation
  37. Rank Transformation
  38. Read Transformation
  39. Relational to Hierarchical Transformation
  40. REST Web Service Consumer Transformation
  41. Router Transformation
  42. Sequence Generator Transformation
  43. Sorter Transformation
  44. SQL Transformation
  45. Standardizer Transformation
  46. Union Transformation
  47. Update Strategy Transformation
  48. Web Service Consumer Transformation
  49. Parsing Web Service SOAP Messages
  50. Generating Web Service SOAP Messages
  51. Weighted Average Transformation
  52. Window Transformation
  53. Write Transformation
  54. Appendix A: Transformation Delimiters

Developer Transformation Guide

Developer Transformation Guide

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Message Compression

Message Compression

When you enable SOAP message compression, the Web Service Consumer transformation compresses web service request messages and receives compressed web service response messages.
The Web Service Consumer transformation encodes the SOAP request with GZip compression. The transformation accepts a response message encoded with the GZip or the deflate compression.
When the Data Integration Service receives the response from the web service, it checks the Content-Encoding HTTP header in the SOAP message and it decodes the message.
The default is no compression encoding. The web service does not compress the SOAP response.
The following table shows the headers in the request and response messages when compression is on or off:
Compression
Header
On
Content-Encoding header: GZip
Accept-Encoding header: GZip, deflate
Off
Empty Content-Encoding header
Empty Accept-Encoding header
Sometimes a web service encodes a response message with a default compression. The Web Service Consumer transformation decodes the message if it is GZip or deflate encoded. The Web Service Consumer transformation logs a message to the mapping log if the web service encodes the response message unexpectedly.
Enable compression in the transformation advanced properties.
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