Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static Object escapeXml(Object obj) {
        if (obj == null) {
            return null;
        } else if (obj instanceof CharSequence) {
            return escapeXml((CharSequence) obj);
        } else {
            return obj;
        }
    }

    public static String escapeXml(CharSequence str) {
        if (str == null) {
            return null;
        }
        StringBuilder res = null;
        int strLength = str.length();
        for (int i = 0; i < strLength; i++) {
            char c = str.charAt(i);
            String repl = encodeXMLChar(c);
            if (repl == null) {
                if (res != null) {
                    res.append(c);
                }
            } else {
                if (res == null) {
                    res = new StringBuilder(str.length() + 5);
                    for (int k = 0; k < i; k++) {
                        res.append(str.charAt(k));
                    }
                }
                res.append(repl);
            }
        }
        return res == null ? str.toString() : res.toString();
    }

    /**
     * Encodes a char to XML-valid form replacing &,',",<,> with special XML encoding.
     *
     * @param ch char to convert
     * @return XML-encoded text
     */
    public static String encodeXMLChar(char ch) {
        switch (ch) {
        case '&':
            return "&amp;";
        case '\"':
            return "&quot;";
        case '\'':
            return "&#39;";
        case '<':
            return "&lt;";
        case '>':
            return "&gt;";
        default:
            return null;
        }
    }
}