Example usage for javax.xml.xpath XPath evaluate

List of usage examples for javax.xml.xpath XPath evaluate

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Introduction

In this page you can find the example usage for javax.xml.xpath XPath evaluate.

Prototype

public String evaluate(String expression, InputSource source) throws XPathExpressionException;

Source Link

Document

Evaluate an XPath expression in the context of the specified InputSource and return the result as a String .

Usage

From source file:org.apache.pdfbox.pdmodel.fdf.FDFAnnotationPolygon.java

private void initVertices(Element element) throws IOException, NumberFormatException {
    XPath xpath = XPathFactory.newInstance().newXPath();
    try {/*from  ww w. j a v  a  2  s.c o  m*/
        String vertices = xpath.evaluate("vertices", element);
        if (vertices == null || vertices.isEmpty()) {
            throw new IOException("Error: missing element 'vertices'");
        }
        String[] verticesValues = vertices.split(",");
        float[] values = new float[verticesValues.length];
        for (int i = 0; i < verticesValues.length; i++) {
            values[i] = Float.parseFloat(verticesValues[i]);
        }
        setVertices(values);
    } catch (XPathExpressionException e) {
        LOG.debug("Error while evaluating XPath expression for polygon vertices");
    }
}