Hello everyone,
I'm trying to use XMLInstance2Schema. I followed the code sample from the
javadoc but I'm getting a NullPointerException in XMLInstance2SchemaHandler,
line 520.
I don't know if this is the correct behavior or if this is a bug. Somewhere
during the parsing of my xml e1.getType() in line 487 returns null, next there
are a couple of ifs, in my case the execution goes to line 493 and 494. The
problem is that e1Type is never set to e2Type so it's still null when it
arrives at 520. The same thing happens in the if from 507, e2Type is not being
set. On both of the else clause (line 496 and 409) the variables are being set.
Is this a bug? Should I report it?
I attached the xml I'm using.
Here's part of the method from XMLInstance2SchemaHandler.
487XMLType e1Type = e1.getType();
488 XMLType e2Type = e2.getType();
489
490 //-- Make sure types are not null and if so create them
491 if (e1Type == null) {
492 if (e2Type == null) return; //-- nothing to merge
493if (e2Type.isSimpleType()) {
494 e1.setType(e2Type);
495}
496else {
497 ComplexType cType = new ComplexType(_schema);
498 Group group = new Group();
499 group.setOrder(_defaultGroupOrder);
500 cType.addGroup(group);
501 e1.setType(cType);
502 e1Type = cType;
503}
504 }
505 else if (e2Type == null) {
506 if (e1Type.isSimpleType()) {
507 e2.setType(e1Type);
508 }
509 else {
510 ComplexType cType = new ComplexType(_schema);
511 Group group = new Group();
512 group.setOrder(_defaultGroupOrder);
513 cType.addGroup(group);
514 e2.setType(cType);
515 e2Type = cType;
516 }
517 }
518
519 //-- both simple types
520 if (e1Type.isSimpleType() && e2Type.isSimpleType()) {
Thanks in advance!<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ns2:xmlDummyControl xmlns:ns2="myControl">
<name>dummyControl</name>
<className>DummyDevice</className>
<measureValueObject>
<accessMode>READ</accessMode>
<comment>comment</comment>
<itemName>00B2</itemName>
<groupName>Group</groupName>
<plcVarName>varName</plcVarName>
<persist>true</persist>
<varName>Xi</varName>
<gain>1.0</gain>
<offset>0.0</offset>
<unit>°C</unit>
</measureValueObject>
<measureValueObject>
<accessMode>READ</accessMode>
<comment>other comment</comment>
<itemName>00B1</itemName>
<plcVarName>otherplcVarName</plcVarName>
<persist>true</persist>
<varName>varName</varName>
<gain>1.0</gain>
<offset>0.0</offset>
<unit>°C</unit>
</measureValueObject>
<measureValueObject>
<accessMode>WRITE</accessMode>
<comment>com</comment>
<itemName>00B3</itemName>
<persist>true</persist>
<plcVarName>plc3</plcVarName>
<varName>var</varName>
<gain>1.0</gain>
<offset>0.0</offset>
<unit>bit</unit>
</measureValueObject>
<statusValueObject>
<accessMode>READ</accessMode>
<comment>Digital 1</comment>
<itemName>22B1</itemName>
<plcVarName>digit</plcVarName>
<varName>On/off</varName>
</statusValueObject>
<statusValueObject>
<accessMode>WRITE</accessMode>
<comment>Digital 2</comment>
<itemName>22B2</itemName>
<groupName>group</groupName>
<plcVarName>digit2</plcVarName>
<varName>On/off 2</varName>
</statusValueObject>
<statusValueObject>
<accessMode>WRITE</accessMode>
<comment>com</comment>
<itemName>44B3</itemName>
<groupName>group32</groupName>
<plcVarName>digit3</plcVarName>
<varName>On/off 3</varName>
</statusValueObject>
<statusValueObject>
<accessMode>WRITE</accessMode>
<comment>Digital </comment>
<itemName>55B3</itemName>
<plcVarName>digit4</plcVarName>
<varName>On/off 4</varName>
</statusValueObject>
<clocks>
<clock>
<name></name>
<index>0</index>
</clock>
<clock>
<name>Zone OG</name>
<index>1</index>
</clock>
<clock>
<name>Zone OG</name>
<index>2</index>
</clock>
<clock>
<name>Zone EG</name>
<index>3</index>
</clock>
<clock>
<name>Zone EG</name>
<index>4</index>
</clock>
</clocks>
</ns2:xmlDummyControl>
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