Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;

public class Main {
    public static boolean isValidXmlFile(final File file) {
        boolean result;

        try {
            final InputStream input = new FileInputStream(file.getPath());
            final byte[] header = new byte[32];
            input.read(header, 0, 32);

            String headerStr = new String(header, "ASCII");
            String XML_REGEX = "^\\s*<(\\?|!(--)?)?\\s*\\w+.*";

            result = headerStr.matches(XML_REGEX);

            try {
                input.close();
            } catch (Exception e) {
                // ignore this exception
            }
        } catch (Exception e) {
            result = false;
        }

        return result;

    }
}