Unmarshaling XML Arrays in Go: Retrieving All Elements
When unmarshaling an XML array into a Go struct, it's possible to retrieve only the first element. To avoid this issue and obtain the entire array, follow these steps:
XML Decoding with Multiple Iterations:
Multiple XML entities reside within the XML string. To correctly unmarshal these entities, a xml.Decoder is required. Use d.Decode multiple times to retrieve each individual entity.
Example Code:
<code class="go">d := xml.NewDecoder(bytes.NewBufferString(VV)) for { var t HostSystemIdentificationInfo err := d.Decode(&t) if err == io.EOF { // End of file encountered break } if err != nil { // Handle any decoding errors log.Fatal(err) } fmt.Println(t) // Each element will be printed }</code>
XML Sample:
<code class="xml"><hostsystemidentificationinfo> <identifiervalue>unknown</identifiervalue> <identifiertype> <label>Asset Tag</label> <summary>Asset tag of the system</summary> <key>AssetTag</key> </identifiertype> </hostsystemidentificationinfo> <hostsystemidentificationinfo> <identifiervalue>Dell System</identifiervalue> <identifiertype> <label>OEM specific string</label> <summary>OEM specific string</summary> <key>OemSpecificString</key> </identifiertype> </hostsystemidentificationinfo></code>
By following these steps, you can successfully unmarshal the entire XML array into a Go struct, ensuring that you retrieve all elements as intended.
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