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POXPath - Get id attribute from parent element
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  1. POXPath - Get id attribute from parent element
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    copied!<p>i have following xml file:</p> <pre><code>&lt;diagnostic version="1.0"&gt; &lt;!-- diagnostic panel 1 --&gt; &lt;panel xml:id="0"&gt; &lt;!-- list controls --&gt; &lt;control xml:id="0_0"&gt; &lt;settings description="text 1"/&gt; &lt;/control&gt; &lt;control xml:id="0_1"&gt; &lt;settings description="text 2"/&gt; &lt;/control&gt; &lt;/panel&gt; &lt;panel xml:id="1"&gt; &lt;!-- list controls --&gt; &lt;control xml:id="1_0"&gt; &lt;settings description="text 3"/&gt; &lt;/control&gt; &lt;control xml:id="1_1"&gt; &lt;settings description="text 4"/&gt; &lt;/control&gt; &lt;/panel&gt; &lt;/diagnostic&gt; </code></pre> <p>and definition XPath: </p> <pre>//*[not(@description='-')]/@description</pre> <p>and Java code:</p> <pre><code>DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance(); domFactory.setNamespaceAware(true); DocumentBuilder builder = domFactory.newDocumentBuilder(); Document doc = builder.parse("diagnostic.xml"); XPath xpath = XPathFactory.newInstance().newXPath(); // XPath Query for showing all nodes value XPathExpression expr = xpath.compile("//*[not(@description='-')]/@description"); Object result = expr.evaluate(doc, XPathConstants.NODESET); NodeList nodes = (NodeList) result; for (int i = 0; i &lt; nodes.getLength(); i++) { System.out.println(i + ": " + nodes.item(i).getParentNode() + nodes.item(i).getNodeValue()); } </code></pre> <p>This definition of XPath would return all attribute values <strong>​​description</strong> where the value of this attribute is not '-'. </p> <p>Output:</p> <pre><code>text 1 text 2 text 3 text 4 </code></pre> <p>But I need to find this attribute description also attribute <strong>xml:id</strong> element <strong>control</strong>.</p> <p>Output:</p> <pre><code>0_0 text 1 0_1 text 2 1_0 text 3 1_1 text 4 </code></pre> <p>How to do that in my description also returns a <strong>xml:id</strong> element of <strong>control</strong>? I need to know that the description given element is <strong>control</strong>.</p>
 

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