Changes for page 3. Variables

Last modified by Outhman Moustaghfir on 2024/01/23 13:58
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From version < 13.1 >
edited by Assala Chmiti
on 2022/04/14 15:39
To version < 2.10 >
edited by Outhman Moustaghfir
on 2021/04/27 17:19
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1 +XWiki.omoustaghfir
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1 -{{toc/}}
2 -
3 3  = Introduction =
4 4  
5 - Variable is a container that holds a value and can be called in the iXPath Scenario. The importance of
3 + Variable is a container that holds a value and can be called in the iXPath Scenario. The importance of variables is to make flexibility in using some values without referring to their origins.
6 6  
7 -variables is to make flexibility in using some values without referring to their origins.
8 -
9 9  There are 2 types of  variables: 
10 10  
11 11  * System variables
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13 13  
14 14  To call a variable, we should put it inside ${}. Eg: for a variable named ‘iXVar’, it can be called as ${iXVar}.
15 15  
16 -== System variables ==
12 +== System variables ==
17 17  
18 18  System variables define some default values in the system, and they can be called by users several times.
19 19  
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31 31  1*. iXFrom: return the value of the AS2 sender.
32 32  1. All connectors declare a system variable of type BpmnFile, the connector variable uses a bunch of functions to handle the list of BpmnFiles that will be detailed in the table below :
33 33  1*. (((
34 -(% style="width:884px" %)
35 -|(% style="width:150px" %)**Function**|(% style="width:365px" %)**Description**|(% style="width:367px" %)**Use**
36 -|(% style="width:150px" %)Get( x ) |(% style="width:365px" %)Get a file with index number "x" from the BpmnFile list, the indexes begin from 0 as the first element, and so on.|(% style="width:367px" %)(((
30 +|(% style="width:150px" %)**Function**|(% style="width:365px" %)**Description**|(% style="width:394px" %)**Use**
31 +|(% style="width:150px" %)Get(i) |(% style="width:365px" %)Get a file with index number "i" from the BpmnFile list, the indexes begin from 0 as the first element, and so on.|(% style="width:394px" %)(((
37 37  if we have an XmlToXml connector named "XmlToXml1" we can get __the second__ BpmnFile as :
38 38  
39 39  ${XmlToXml1.get(1)}
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40 40  
41 41  NB: we will make examples on the same connector "XmlToXml1".
42 42  )))
43 -|(% style="width:150px" %)getTrkValues()|(% style="width:365px" %)Return the Tracking values from a BpmnFile.|(% style="width:367px" %)Eg : ${XmlToXml1.get(0).getTrkValues()} returns the tracking values of the first BpmnFile.
44 -|(% style="width:150px" %)path()|(% style="width:365px" %)Return the absolute path of the BpmnFile.|(% style="width:367px" %)Eg : ${XmlToXml.get(3).path()} returns the path of the __fourth__ BpmnFile
45 -|(% style="width:150px" %)fileName()|(% style="width:365px" %)Return the name of the BpmnFile. |(% style="width:367px" %)Eg : ${XmlToXml1.get(2).fileName()} retrieves the name of the third BpmnFile.
46 -|(% style="width:150px" %)extension()|(% style="width:365px" %)Returns the extension of the BpmnFile.|(% style="width:367px" %)(((
38 +|(% style="width:150px" %)getTrkValues()|(% style="width:365px" %)Return the Tracking values from a BpmnFile.|(% style="width:394px" %)Eg : ${XmlToXml1.get(0).getTrkValues()} returns the tracking values of the first BpmnFile.
39 +|(% style="width:150px" %)path()|(% style="width:365px" %)Return the absolute path of the BpmnFile.|(% style="width:394px" %)Eg : ${XmlToXml.get(3).path()} returns the path of the __fourth__ BpmnFile
40 +|(% style="width:150px" %)fileName()|(% style="width:365px" %)Return the name of the BpmnFile. |(% style="width:394px" %)Eg : ${XmlToXml1.get(2).fileName()} retrieves the name of the third BpmnFile.
41 +|(% style="width:150px" %)extension()|(% style="width:365px" %)Returns the extension of the BpmnFile.|(% style="width:394px" %)(((
47 47  Eg : if we want to get the extension of the first BpmnFile, we will proceed as below :
48 48  
49 49   ${XmlToXml1.get(0).extension()}
50 50  )))
51 -|(% style="width:150px" %)fullName()|(% style="width:365px" %)Returns the file name + its extension  |(% style="width:367px" %)Eg : ${XmlToXml1.get(0).fullName()} returns the full name of the BpmnFile.
52 -|(% style="width:150px" %)size()|(% style="width:365px" %)Returns the size of the BpmnFile in megabit.|(% style="width:367px" %)(((
46 +|(% style="width:150px" %)fullName()|(% style="width:365px" %)Returns the file name + its extension  |(% style="width:394px" %)Eg : ${XmlToXml1.get(0).fullName()} returns the full name of the BpmnFile.
47 +|(% style="width:150px" %)size()|(% style="width:365px" %)Returns the size of the BpmnFile in megabit.|(% style="width:394px" %)(((
53 53  Eg : ${XmlToXml1.get(0).size()} returns the size of the first BpmnFile.
54 54  )))
55 -|(% style="width:150px" %)type()|(% style="width:365px" %)Returns the type of the BpmnFile|(% style="width:367px" %)(((
50 +|(% style="width:150px" %)type()|(% style="width:365px" %)Returns the type of the BpmnFile|(% style="width:394px" %)(((
56 56  Eg : To get the type of the second BpmnFile ,
57 57  
58 58  ${XmlToXml1.get(1).type()}
59 59  )))
55 +|(% style="width:150px" %) |(% style="width:365px" %) |(% style="width:394px" %)
56 +|(% style="width:150px" %) |(% style="width:365px" %) |(% style="width:394px" %)
57 +|(% style="width:150px" %) |(% style="width:365px" %) |(% style="width:394px" %)
58 +|(% style="width:150px" %) |(% style="width:365px" %) |(% style="width:394px" %)
59 +
60 +
60 60  )))
61 61  
62 -== Local variables ==
63 63  
64 -Local variable is a type of variable that can be newly created and used for a certain need.
65 65  
66 -So as to create a local variable "newVar" with a value equals to "var number 1", we should write this piece of XSL code :
67 67  
68 -{{code language="XML"}}
69 -<xsl:value-of select=" ixf:SetVar('newVar', 'var Number 1')"></xsl:value-of>
70 70  
71 -{{/code}}
72 -
73 -The call of this new variable in the scenario is similar to previous system variables:  **${newVar}.**
74 -
75 -To get 'newVar' inside an XSL file :
76 -
77 -{{code language="XML"}}
78 -<xsl:value-of select="ixf:getVar('newVar')"></xsl:value-of>
79 -{{/code}}
80 -
81 -= Examples =
82 -
83 -We set a simple example of a scenario to illustrate how to use variables.
84 -
85 -We want to receive a file by a FileListener and send it by mail that contains a message body.
86 -
87 -here is the scenario:
88 -
89 - [[image:2021-04-27_21h31_55.png||height="140" width="446"]]
90 -
91 -The configuration of the "SendMail" is :
92 -
93 - [[image:2021-04-27_21h32_07.png||height="373" width="281"]]
94 -
95 -As shown in the mail body, we called 3 variables which are :
96 -
97 -* Env: the current environment
98 -* iXSession : ID session
99 -* path : the path of BpmnFile in FileListener1.
100 -
101 -= String Class =
102 -
103 -in java language, The String class represents character strings. It contains a lot of functions to handle String object.
104 -
105 -you can discover all these functions on the following URL :
106 -
107 -__[[https:~~/~~/docs.oracle.com/javase/8/docs/api/java/lang/String.html#method.summary>>https://docs.oracle.com/javase/8/docs/api/java/lang/String.html#method.summary]] __
108 -
109 -Eg: to check if a variable "myVar" is empty or not, we refer to the isEmpty() method as ${myVar.isEmpty()}, if so then it returns true, if not it will return false.
110 -
111 -
112 112  
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