Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static String escapeString(String value) {
        int len = value.length();
        StringBuilder sb = new StringBuilder(len * 3 / 2);

        for (int i = 0; i < len; i++) {
            char c = value.charAt(i);

            if ((c >= ' ') && (c < 0x7f)) {
                if ((c == '\'') || (c == '\"') || (c == '\\')) {
                    sb.append('\\');
                }
                sb.append(c);
                continue;
            } else if (c <= 0x7f) {
                switch (c) {
                case '\n':
                    sb.append("\\n");
                    continue;
                case '\r':
                    sb.append("\\r");
                    continue;
                case '\t':
                    sb.append("\\t");
                    continue;
                }
            }

            sb.append("\\u");
            sb.append(Character.forDigit(c >> 12, 16));
            sb.append(Character.forDigit((c >> 8) & 0x0f, 16));
            sb.append(Character.forDigit((c >> 4) & 0x0f, 16));
            sb.append(Character.forDigit(c & 0x0f, 16));
        }

        return sb.toString();
    }
}