Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    private static Pattern escapePattern = Pattern.compile("[\"&'<>]");

    public static String escape(String message) {
        if (message == null)
            return message;
        Matcher matcher = escapePattern.matcher(message);
        StringBuffer sb = new StringBuffer();
        while (matcher.find()) {
            String replacement;
            if ("\"".equals(matcher.group()))
                replacement = "&quot;";
            else if ("&".equals(matcher.group()))
                replacement = "&amp;";
            else if ("'".equals(matcher.group()))
                replacement = "&apos;";
            else if ("<".equals(matcher.group()))
                replacement = "&lt;";
            else if (">".equals(matcher.group()))
                replacement = "&gt;";
            else
                throw new IllegalArgumentException();
            matcher.appendReplacement(sb, replacement);
        }
        matcher.appendTail(sb);
        return sb.toString();
    }

    public static String[] escape(String... messages) {
        String[] escaped = new String[messages.length];
        for (int i = 0; i < messages.length; i++)
            escaped[i] = escape(messages[i].toString());
        return escaped;
    }
}