Echelon LonBridg Server Manual do Utilizador descarregar pdf (Página 32)

26 LonBridge API

Examples:

Error deleting non-existing object:

<o73.delete/>

<o77.delete/>

</lon>

...

<o73.delete/>

</error>

</lon>

...

<lon>

<core2.lon1.o77.is_deleted/>

</lon>

More complex error reporting:

<lon>

<o90.turnon/>

<o73.delete/>

</lon>

...

<lon>

<error description="Method does not exist on this object"

code="6">

<o90.turnon/>

</error>

</lon>

...

<lon>

<o73.delete/>

</error>

</lon>

Parsing a LonBridge XML Message

To parse a LonBridge XML message, a LonBridge application can use a XML

parser or a custom parsing routine. For example, you could base a parsing

routine on the following ECMAScript function:

function parse_node(name) {

p = name.split('.');

if (p.length > 4) {

return null;

}

var properties = new Array("domain", "client", "object",

"method");

o = {domain: null, client: null, method: null,

object: null};

posProperty = 3;

for(i = p.length - 1; i >= 0; i--) {

o[properties[posProperty]] =

p[i] != null && p[i].length > 0) p[i] : null;

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