Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.regex.*;

public class Main {
    protected static Pattern xmlStartPattern = Pattern.compile("^<[\\!\\?]");
    protected static Pattern startingElementPattern = Pattern.compile("^\\s*<([a-zA-Z0-9\\-_]+).*");

    public static boolean possiblyWellformed(String in) {
        // extract starting element:
        in = in.trim();
        Matcher startMatcher = xmlStartPattern.matcher(in);
        if (startMatcher.find())
            return true;

        Matcher m = startingElementPattern.matcher(in);
        if (!m.matches())
            return false;
        String startingElementName = m.group(1);

        // check if fragment ends with the corresponding closing pattern:
        Pattern endPattern = Pattern.compile(".*</" + startingElementName + "\\s*>$");
        Matcher endMatcher = endPattern.matcher(in);

        return endMatcher.matches();
    }
}