Getting Started with IBM Data Studio for DB2

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370 Getting Started with IBM Data Studio for DB2 To start theRankEmployee operation of theSimpleService example, your endpoint URL looks like this: http://server:8080/WebServicesSimpleService/rest/SimpleService/Rank Employee Note: The REST endpoint URL is used for all HTTP RPC bindings: - HTTP POST (XML) - HTTP POST (application/x-www-form-urlencoded) - HTTP POST (JSON) - HTTP GET You can enable or disable all HTTP Bindings for a web service by selecting or deselecting the REST (web access) option in the Deploy Web Service window described in Chapter 10. The cURL command to send the request to the web service should look like this: curl.exe -d @ SimpleService.RankEmployee.default.xml -H "Content-Type:text/xml;charset=utf-8" -v http://localhost:8080/WebServicesSimpleService/rest/SimpleService/RankEmpl oyee E.1.4 HTTP POST (application/x-www-form-urlencoded) Binding This binding can be used with HTML forms using the POST action. In this case, the parameters are sent as key/value pairs, where each pair is separated by an ampersand (‘&”). You can also use cURL to test this binding. Create a new text file called RankEmployeeUrlEncoded.txt. The content of your file should look like this: EMPLOYEE_CODE=10004&RANKING=Excellent The cURL command to send the request to the web service should look like this: curl.exe -d @"RankEmployeeUrlEncoded.txt" -H "Content-Type:application/x-www-form-urlencoded" -v http://localhost:8080/WebServicesSimpleService/rest/SimpleService/RankEmpl oyee The response message is the same as for the HTTP POST (XML) binding.
Appendix E – Advanced topics for developing data web services 371 Note: The HTTP POST (application/x-www-form-urlencoded) binding is listed in the WSDL file and can be tested using the Web Services Explorer as well. In case of the SimpleService the binding is called SimpleServiceHTTPPOST. SQL NULL values are treated as absent. This means parameter values that are not present in the key/value string are set to SQL NULL. A parameter with an empty value is treated as an empty string. E.1.5 HTTP GET Binding This binding uses the HTTP GET verb with a URL to start the web service operation. Since there is no content sent to the server, all input parameters must become part of the URL. This is done using the URL query string. Everything that follows the question mark “?’ sign in a URL is specified as the query string. A query string consists of key/value pairs which are concatenated using the ampersand ‘&’ character. The cURL command that sends the request to the web service should look like this: curl.exe -v http://localhost:8080/WebServicesSimpleService/rest/SimpleService/RankEmployee? EMPLOYEE_CODE=10004&RANKING=Excellent Note: The HTTP GET binding is listed in the WSDL file and can be tested using the Web Services Explorer as well. In the case of the SimpleService, the binding is called SimpleServiceHTTPGET. Note: Multi-byte characters in URL strings: If your data contains multi-byte characters, you need to consider the following: Multi-byte characters need to be provided in UTF-8 The UTF-8 bytes need be URL-encoded to follow the URI/URL specification. For example, if you have a parameter value in Chinese like 日本語 your URL must look like this: http://localhost:8080/JmaWebService/rest/WebService/Test?p1=%E 6%97%A5%E6%9C%AC%E8%AA%9E Application Servers and multi-byte UTF-8 characters in URLs: You may have to perform some additional configuration steps at your application server to
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3 Notices This information was deve
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Table of contents 5 Table of conten
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3.3.1 Exporting data...............
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Chapter 7 - Tuning queries ........
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Preface 13 Keeping your skills curr
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around the world have participated
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17 About the authors Dimple Bhatia
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Contributors 19 The following peopl
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21 Acknowledgements The authors owe
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24 Getting Started with IBM Data St
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100 Getting Started with IBM Data S
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103 Chapter 3 - Maintaining the dat
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159 Chapter 5 - Creating SQL and XQ
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Chapter 5 - Creating SQL and XQuery
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193 Chapter 6 - Managing jobs Job m
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Chapter 6 - Managing jobs 209 6.6.2
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213 Chapter 7 - Tuning queries In t
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237 Chapter 8 - Developing SQL stor
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Page 320 and 321: 320 Getting Started with IBM Data S
Page 355 and 356: 355 Appendix D - The Sample Outdoor
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Page 393 and 394: References 393 Books and articles 1
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Getting Started with IBM Data Studio for DB2

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