Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2014 BigTesting.org
 *
 * 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 java.text.CharacterIterator;
import java.text.StringCharacterIterator;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

public class Main {
    public static final char CUSTOM_REGEX_START = '<';
    public static final char CUSTOM_REGEX_END = '>';
    private static final Set<Character> REGEX_SPECIAL_CHARS = Collections.unmodifiableSet(new HashSet<Character>(
            Arrays.asList('[', ']', '(', ')', '{', '}', '+', '*', '^', '?', '$', '.', '\\')));

    public static String escapeNonCustomRegex(String path) {
        /*
         * TODO replace with a regular expression
         */
        StringBuilder sb = new StringBuilder();
        boolean inCustomRegion = false;
        CharacterIterator it = new StringCharacterIterator(path);
        for (char ch = it.first(); ch != CharacterIterator.DONE; ch = it.next()) {

            if (ch == CUSTOM_REGEX_START) {
                inCustomRegion = true;
            } else if (ch == CUSTOM_REGEX_END) {
                inCustomRegion = false;
            }

            if (REGEX_SPECIAL_CHARS.contains(ch) && !inCustomRegion) {
                sb.append('\\');
            }

            sb.append(ch);
        }

        return sb.toString();
    }
}