Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import javax.xml.namespace.NamespaceContext;
import javax.xml.parsers.DocumentBuilder;

import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathException;
import javax.xml.xpath.XPathFactory;

import org.w3c.dom.Document;

import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

public class Main {
    /** W3C DOM document builder. */
    private static DocumentBuilder docBuilder;

    public static List<Node> selectMultipleNodes(String expression, InputStream is,
            NamespaceContext namespaceContext) throws IOException, SAXException, XPathException {
        Node node = createDocument(is);
        return selectMultipleNodes(expression, node, namespaceContext);
    }

    public static List<Node> selectMultipleNodes(String expression, Node node, NamespaceContext namespaceContext)
            throws XPathException {
        XPath xpath = XPathFactory.newInstance().newXPath();
        xpath.setNamespaceContext(namespaceContext);
        NodeList nodeList = (NodeList) xpath.evaluate(expression, node, XPathConstants.NODESET);
        List<Node> nodes = new ArrayList<Node>();
        int nodeCount = nodeList.getLength();
        for (int i = 0; i < nodeCount; i++) {
            nodes.add(nodeList.item(i));
        }
        return nodes;
    }

    public static Document createDocument(InputStream is) throws IOException, SAXException {
        return docBuilder.parse(is);
    }
}