Exact JTree Structure to XML

I've been looking for a solution to this problem for some time now, and still no luck.
I'm going to point out first that I do NOT know the exact structure of the Tree Model. This is because the user can manipulate the tree as they wish. My problem comes when I want to save/load this tree structure, I thought that XML seems like the ideal choice.
My problem is that because I don't know the structure of the Tree Model, I'm not sure how to loop through every node in the Tree Model and add it to my XML Document.
People have suggested looping through the Tree Models children, except that wouldn't return the many other nodes that may be in the Tree Model.
If I haven't explained it very well, or you need to know any extra info just reply asking.
Hope someone out there can give me a hand, cheers!

You could get the root node as DefaultMutableTreeNode:
TreeModel treeMdl = jTree.getModel();
DefaultMutableTreeNode root = (DefaultMutableTreeNode) treeMdl.getRoot(); and traverse the tree from there.
DefaultMutableTreeNode class has some related methods:
public Enumeration preorderEnumeration()
public Enumeration postorderEnumeration()
public Enumeration breadthFirstEnumeration()
public Enumeration depthFirstEnumeration()
public int getChildCount()
public TreeNode getChildAt(int index)

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Can we express batch relationship structure in XML in the database table

Hi
please help me ..
i have a batch XML batch structure ...can we express batch relationship structure in XML in tha database table?
yes..then how?
Thanks
Amu
Edited by: amu_2007 on Mar 25, 2010 6:57 PM
Edited by: amu_2007 on Mar 25, 2010 7:03 PM

But what is the problem with the initial solution given that split the XML into the data?
I mean you could do something like this?
SQL> create table batch (customer    VARCHAR2(10)
2                     ,cust_name   VARCHAR2(10)
3                     ,cust_type   VARCHAR2(10)
4                     )
5 /
Table created.
SQL>
SQL> create table section (customer    VARCHAR2(10)
2                       ,sect_name   VARCHAR2(10)
3                       ,sect_depend VARCHAR2(10)
4                       )
5 /
Table created.
SQL> create table job_sections (customer        VARCHAR2(10)
2                            ,sect_name       VARCHAR2(10)
3                            ,job_sect_name   VARCHAR2(10)
4                            ,job_sect_depend VARCHAR2(10)
5                            )
6 /
Table created.
SQL> create table job (customer        VARCHAR2(10)
2                   ,sect_name       VARCHAR2(10)
3                   ,job_sect_name   VARCHAR2(10)
4                   ,job_type        VARCHAR2(10)
5                   ,job_sub_type    VARCHAR2(10)
6                   ,job_depend      VARCHAR2(10)
7                   )
8 /
Table created.
SQL>
SQL>
SQL> insert all
2    when batch_rn = 1 then
3      into batch (customer, cust_name, cust_type) values (customer, cust_name, cust_type)
4    when section_rn = 1 then
5      into section (customer, sect_name, sect_depend) values (customer, sect_name, sect_dependency)
6    when job_sections_rn = 1 then
7      into job_sections (customer, sect_name, job_sect_name, job_sect_depend) values (customer, sect_name, job_sect_name, job_sect_dependency)
8    when 1=1 then
9      into job (customer, sect_name, job_sect_name, job_type, job_sub_type, job_depend) values (customer, sect_name, job_sect_name, job_type, jo
10 --
11 WITH t as (select XMLTYPE('
12 <BATCH customer="ABC" name="ABC1" type="ABC_TYPE">
13    <BATCH_SECTIONS>
14      <SECTION name="X" dependency="NULL">
15        <JOB_SECTIONS name="JOB1" dependency="NULL" >
16          <JOBS>
17            <JOB type="X" sub_type="xx" dependency="NULL" />
18            <JOB type="X" sub_type="yy" dependency="NULL" />
19            <JOB type="X" sub_type="zz" dependency="NULL" />
20          </JOBS>
21        </JOB_SECTIONS>
22      </SECTION>
23      <SECTION name="Y" dependency="X">
24        <JOB_SECTIONS name="JOB2" dependency="X" >
25          <JOBS>
26            <JOB type="Y" sub_type="xx" dependency="X" />
27            <JOB type="Y" sub_type="yy" dependency="X" />
28            <JOB type="Y" sub_type="zz" dependency="X" />
29          </JOBS>
30        </JOB_SECTIONS>
31      </SECTION>
32      <SECTION name="Z" dependency="Y">
33        <JOB_SECTIONS name="JOB3" dependency="NULL" >
34          <JOBS>
35            <JOB type="....." sub_type="...." dependency="NULL" />
36          </JOBS>
37        </JOB_SECTIONS>
38        <JOB_SECTIONS name="JOB4" dependency="NULL">
39          <JOBS>
40            <JOB type="...." sub_type="...." dependency="NULL" />
41          </JOBS>
42        </JOB_SECTIONS>
43      </SECTION>
44    </BATCH_SECTIONS>
45 </BATCH>
46 ') as xml from dual)
47 --
48 -- END OF TEST DATA
49 --
50 ,flat as (select a.customer, a.cust_name, a.cust_type
51                  ,b.sect_name, NULLIF(b.sect_dependency,'NULL') as sect_dependency
52                  ,c.job_sect_name, NULLIF(c.job_sect_dependency,'NULL') as job_sect_dependency
53                  ,d.job_type, d.job_sub_type, NULLIF(d.job_dependency,'NULL') as job_dependency
54            from t
55                ,XMLTABLE('/BATCH'
56                          PASSING t.xml
57                          COLUMNS customer     VARCHAR2(10) PATH '/BATCH/@customer'
58                                 ,cust_name    VARCHAR2(10) PATH '/BATCH/@name'
59                                 ,cust_type    VARCHAR2(10) PATH '/BATCH/@type'
60                                 ,bat_sections XMLTYPE PATH '/BATCH/BATCH_SECTIONS'
61                         ) a
62                ,XMLTABLE('/BATCH_SECTIONS/SECTION'
63                          PASSING a.bat_sections
64                          COLUMNS sect_name        VARCHAR2(10) PATH '/SECTION/@name'
65                                 ,sect_dependency VARCHAR2(10) PATH '/SECTION/@dependency'
66                                 ,section         XMLTYPE      PATH '/SECTION'
67                         ) b
68                ,XMLTABLE('/SECTION/JOB_SECTIONS'
69                          PASSING b.section
70                          COLUMNS job_sect_name        VARCHAR2(10) PATH '/JOB_SECTIONS/@name'
71                                 ,job_sect_dependency VARCHAR2(10) PATH '/JOB_SECTIONS/@dependency'
72                                 ,job_sections         XMLTYPE      PATH '/JOB_SECTIONS'
73                         ) c
74                ,XMLTABLE('/JOB_SECTIONS/JOBS/JOB'
75                          PASSING c.job_sections
76                          COLUMNS job_type        VARCHAR2(10) PATH '/JOB/@type'
77                                 ,job_sub_type    VARCHAR2(10) PATH '/JOB/@sub_type'
78                                 ,job_dependency VARCHAR2(10) PATH '/JOB/@dependency'
79                         ) d
80            )
81 --
82 select customer, cust_name, cust_type, sect_name, sect_dependency, job_sect_name, job_sect_dependency, job_type, job_sub_type, job_dependency
83        ,row_number() over (partition by customer order by 1) as batch_rn
84        ,row_number() over (partition by customer, sect_name order by 1) as section_rn
85        ,row_number() over (partition by customer, sect_name, job_sect_name order by 1) as job_sections_rn
86 from flat
87 /
16 rows created.
SQL> select * from batch;
CUSTOMER   CUST_NAME CUST_TYPE
ABC        ABC1       ABC_TYPE
SQL> select * from section;
CUSTOMER   SECT_NAME SECT_DEPEN
ABC        X
ABC        Y          X
ABC        Z          Y
SQL> select * from job_sections;
CUSTOMER   SECT_NAME JOB_SECT_N JOB_SECT_D
ABC        X          JOB1
ABC        Y          JOB2       X
ABC        Z          JOB3
ABC        Z          JOB4
SQL> select * from job;
CUSTOMER   SECT_NAME JOB_SECT_N JOB_TYPE   JOB_SUB_TY JOB_DEPEND
ABC        X          JOB1       X          xx
ABC        X          JOB1       X          yy
ABC        X          JOB1       X          zz
ABC        Y          JOB2       Y          xx         X
ABC        Y          JOB2       Y          yy         X
ABC        Y          JOB2       Y          zz         X
ABC        Z          JOB3       .....      ....
ABC        Z          JOB4       ....       ....
8 rows selected.
SQL>But it would depend what you are actually after in terms of primary keys, and table relationships etc.
Let me put this simply for you...
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>
john j wrote:
> Hi,
>
> We are picking an xml file from the FTP server of the client.
>
> We have source message type 'MT_Invoice' with data type as 'DT_Invoice'.
>
> When we open the message mapping test tab, the source structure is as shown below.
>
> <ns0:MT_Invoice xmlns:ns0="urn:maxxium:nordic:invoice:inbound">
>    <Invoices>
>       <Invoice>
> .
> .
> .
> .
>       </Invoice>
>    </Invoices>
> </MT_Invoice>
>
> My question is "What should be the structure of the XML file that the client is depositing on to the FTP server?".
>
> Should it start with the tag 'MT_Invoice' with the namespace or should it simply start from    <Invoices> tag.
>
> I have tried various combinations for the source xml structure. But all are failing.
>
> (This is evident from the fact that the mapping is failing. That's why I have given the structure from the source structure of the message mapping tab.)
>
> Kindly help.
>
> Thanks,
> John
you are picking an XML file. So you should create the MT which would represent exactly the XML format of the source file.
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PL:reward with points for helpful answers

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