Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.Iterator;
import java.util.List;

public class Main {
    /**
     * Appends the specified path token to the provided buffer followed by the
     * position specification of the target node in its siblings list (if
     * needed).
     * 
     * @param node
     *        the target node for the XPath expression.
     * @param siblings
     *        the siblings of the target node.
     * @param pathToken
     *        the path token identifying the target node.
     * @param buffer
     *        the buffer to which appending the XPath sub-expression or
     *        <code>null</code> if the method shall allocate a new buffer.
     * @return the XPath sub-expression to select the target node among its
     *         siblings.
     */
    private static StringBuilder getPositionPath(Object node, List<?> siblings, String pathToken,
            StringBuilder buffer) {

        buffer.append(pathToken);

        if (siblings != null) {
            int position = 0;
            final Iterator<?> i = siblings.iterator();
            while (i.hasNext()) {
                position++;
                if (i.next() == node)
                    break;
            }
            if (position > 1 || i.hasNext()) {
                // the item is not at the first location, ot there are more
                // locations. in other words, indexing is required.
                buffer.append('[').append(position).append(']');
            }
        }
        return buffer;
    }
}