Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.util.ArrayList;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathExpressionException;
import org.w3c.dom.Node;

public class Main {
    public static String evalConcat(Node n, String delimiter, XPathExpression... exprs)
            throws XPathExpressionException {
        ArrayList<String> results = new ArrayList<String>();
        for (XPathExpression expr : exprs) {
            results.add(orEmptyStr(expr, n));
        }

        while (results.remove(""))
            ;

        String retn = "";

        for (String s : results) {
            retn += s;
            if (results.indexOf(s) != results.size() - 1) {
                retn += delimiter;
            }
        }

        return retn;
    }

    public static String orEmptyStr(XPathExpression xpe, Node n) throws XPathExpressionException {
        Node inner = (Node) xpe.evaluate(n, XPathConstants.NODE);
        return inner == null ? "" : inner.getTextContent();
    }
}