Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import com.google.common.annotations.VisibleForTesting;

public class Main {
    /**
     * Escapes the contents a string to be used as a safe scheme name in the URI according to
     * http://tools.ietf.org/html/rfc3986#section-3.1
     *
     * This does not ensure that the first character is a letter (which is required by the RFC).
     */
    @VisibleForTesting
    public static String escapeForSchemeName(String s) {
        // According to the RFC, scheme names are case-insensitive.
        s = s.toLowerCase();

        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < s.length(); i++) {
            char c = s.charAt(i);
            if (Character.isLetter(c) || Character.isDigit(c) || ('-' == c) || ('.' == c)) {
                // Safe - use as is.
                sb.append(c);
            } else if ('+' == c) {
                // + is used as our escape character, so double it up.
                sb.append("++");
            } else {
                // Unsafe - escape.
                sb.append('+').append((int) c);
            }
        }
        return sb.toString();
    }
}