Excelreader-call
Definition
Many IT applications in their business process needs read an excel file. GreenVulcano Gvvcl-excel-reader Plug-in helps IT organizations integrate applications that utilize excel format to execute their business. Gvvcl-excel-reader Plug-in is compatible with all Excel format up to 2003, and is very simple to configure. It receive in input a stream of excel file and give in output an XML structure. At the output of Gvvcl-excel-reader Plug-in is possible apply a changeGvBuffer operation (with ognl script or a xsl stylesheet) to retrieve all interest data.
GreenVulcano ESB provides two tools, GVConsole and Vulcon, to configure all GreenVulcano supported Plug-ins in GV services.
Vulcon Configuration
excelreader-call is the operation that must be configured into Vulcon system section, to convert a Excel file, in GVBuffer.object field, in a XML document.
To add an operation excelreader-call user must perform the following operation:
- You open Vulcon system section
- You clicks the right mouse button and select "insert before" label --> excelreader-call
- In layout you fill in field name, i.e. the name of operation that will be used in Vulcon service section
- Other fields class, onlyData and type will be ignored
At this point, you have configured an operation of type excelreader-call.
To use an excelreader-call in a GreenVulcano ESB service, you need to perfom the following steps:
- In Vulcon services section select the services that you want modify or you can create a new Services
- On flow tag, you clicks the right mouse button and select "insert before"
- On the list of GreenVulcano node select GvOperationNode
- On the template that appear, you must select from drop down list, input fiel, next-node-id and as operation-name the operation configured in the system. Fill in fields id and output.
- Export in compressed file
- Reload Configuration from GvConsole
At this point you have use excelreader-call operation in a GreenVulcano service.
GVconsole Configuration
excelreader-call is the operation that must be configured into GvConsole system section, to convert a Excel file, in GVBuffer.object field, in a XML document.
To add an operation excelreader-call user must perform the following operation:
- You open GVconsole system section
- You clicks button "insert before" and select label --> excelreader-call
- In layout you fill in field name, i.e. the name of operation that will be used in Vulcon service section
- Other fields class, onlyData and type will be ignored
At this point, you have configured an operation of type excelreader-call in a GvConsole.
To use an excelreader-call in a GreenVulcano ESB service, you need to perfom the following steps:
- In GvConsole services section select the services that you want modify or you can create a new Services
- On flow tag, you clicks the add operation node button and select "insert before"
- On the list of GreenVulcano node select GvOperationNode
- On the template that appear, you must select from drop down list, input field, next-node-id and as operation-name the operation configured in the system. Fill in fields id and output.
- Click save button and terminate editing
- Reload Configuration from GvConsole
At this point you have configured a service with an operation excelreader.
Example
This example shows a XML document generated by a simple excel (without cols and rows grouping). Give an xml with the following structure:
| ID1 | ID2 | ID3 | ID4 | ID5 | ID6 | ID7 |
| 23 | 23232 | 23 | 23333 | 1 | 2 | 3 |
| 24 | 24444 | 23 | 23332 | 1 | 2 | 3 |
excelreader-call generate the following xml:
<?xml version="1.0" encoding="UTF-8"?>
<workbook>
<sheet number="0">
<name><![CDATA[Foglio1]]></name>
<row number="0">
<col number="0">
<data><![CDATA[SOURCE_RNCID]]></data>
</col>
<col number="1">
<data><![CDATA[SOURCE_CELLID]]></data>
</col>
<col number="2">
<data><![CDATA[TARGET_RNCID]]></data>
</col>
<col number="3">
<data><![CDATA[TARGET_CELLID]]></data>
</col>
<col number="4">
<data><![CDATA[selectionPriority]]></data>
</col>
<col number="5">
<data><![CDATA[qOffset1sn]]></data>
</col>
<col number="6">
<data><![CDATA[qOffset2sn]]></data>
</col>
</row>
<row number="1">
<col number="0">
<data><![CDATA[23]]></data>
</col>
<col number="1">
<data><![CDATA[23232]]></data>
</col>
<col number="2">
<data><![CDATA[23]]></data>
</col>
<col number="3">
<data><![CDATA[711]]></data>
</col>
<col number="4">
<data><![CDATA[1]]></data>
</col>
<col number="5">
<data><![CDATA[1]]></data>
</col>
<col number="6">
<data><![CDATA[1]]></data>
</col>
</row>
<row number="2">
<col number="0">
<data><![CDATA[23]]></data>
</col>
<col number="1">
<data><![CDATA[711]]></data>
</col>
<col number="2">
<data><![CDATA[23]]></data>
</col>
<col number="3">
<data><![CDATA[23232]]></data>
</col>
<col number="4">
<data><![CDATA[1]]></data>
</col>
<col number="5">
<data><![CDATA[1]]></data>
</col>
<col number="6">
<data><![CDATA[1]]></data>
</col>
</row>
</sheet>
</workbook>
With a node ChangeGVBuffer is possible parsing XML and retrieve any tag and value of XML.
--A.sicignano 15:29, 26 September 2011 (CEST)
