CODEWITHSUNDEEP
javaxmlxpath
ovnia
ovnia

Reputation: 2500

Parsing a map from XML

Here is my xml

  <body>
      <map>
         <key1>
            value1
         </key1>
         <key2>
            value2
         </key2>
         ....
      </map>
  <body>

And i have:

Document xPacket;
XPath xPath = XPathFactory.newInstance().newXPath();
Map<Integer, String> temp = new HashMap<Integer, String>();
Object rawMap = xPath.compile("//body/map/").evaluate(xPacket, XPathConstants.NODESET);
NodeList mapNodeList = (NodeList) rawMap;

but how to iterate through NodeList and fill values in map?

Upvotes: 0

Views: 47

Answers (1)

Kallja
Kallja

Reputation: 5472

Since you don't specify otherwise, I'm assuming you are using classes of the standard Java library.

The NodeList object has an item(int) method. You can use that method to loop through the nodes in the NodeList:

Map<Integer, String> map = new HashMap();
for (int i = 0; i < aNodeList.getLength(); i++) {
    Node item = aNodeList.item(i);
    map.put(Integer.valueOf(item.getTextContent()), item.getLocalName());
}

Here I assumed that you wish to map the text content of the XML key nodes to the nodes' names (because of the type parameters of your map).

Upvotes: 1

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