Example usage for org.dom4j Node selectNodes

Introduction

In this page you can find the example usage for org.dom4j Node selectNodes.

Prototype

List<Node> selectNodes(String xpathExpression);

Source Link

Document

selectNodes evaluates an XPath expression and returns the result as a List of Node instances or String instances depending on the XPath expression.

Usage

From source file:us.wthr.jdem846.shapefile.modeling.ShapeDataDefinitionLoader.java

License:Apache License

public static List<ShapeDataDefinition> loadShapeDataDefinition() throws Exception {
    List<ShapeDataDefinition> shapeDataDefinitions = new LinkedList<ShapeDataDefinition>();

    log.info("Loading shape data definitions from " + DEFAULT_XML_FILE);
    Document doc = loadDocument(DEFAULT_XML_FILE);

    ShapeDataDefinition shapeDataDefinition = null;

    List<?> shapeDataDefinitionList = doc.selectNodes("//jdem846/shape-types/shape-type");
    for (Iterator<?> iter = shapeDataDefinitionList.iterator(); iter.hasNext();) {
        Node shapeDataDefinitionNode = (Node) iter.next();
        Node nameAttribute = shapeDataDefinitionNode.selectSingleNode("@name");
        Node idAttribute = shapeDataDefinitionNode.selectSingleNode("@id");

        shapeDataDefinition = new ShapeDataDefinition(nameAttribute.getText(), idAttribute.getText());

        Node featureTypeColumnNode = shapeDataDefinitionNode.selectSingleNode("featureTypeColumn");
        if (featureTypeColumnNode != null) {

            Node featureTypeDefinitionIdNode = featureTypeColumnNode.selectSingleNode("@definition");
            String featureTypeColumn = featureTypeColumnNode.getText();

            shapeDataDefinition.setFeatureTypeDefinitionId(featureTypeDefinitionIdNode.getText());
            shapeDataDefinition.setFeatureTypeColumn(featureTypeColumn);
        }/* w w w. j  a  v a  2  s  .c o  m*/

        List<?> columnList = shapeDataDefinitionNode.selectNodes("columns/column");
        for (Iterator<?> columnIter = columnList.iterator(); columnIter.hasNext();) {
            Node columnNode = (Node) columnIter.next();
            Node columnNameNode = columnNode.selectSingleNode("@name");

            shapeDataDefinition.addColumn(columnNameNode.getText(), columnNode.getText());
        }

        shapeDataDefinitions.add(shapeDataDefinition);

    }

    return shapeDataDefinitions;
}