Java Version Convert To versionToSegments(String versionString, int idx, int i)

Description

version To Segments

License

Open Source License

Declaration

private static int[] versionToSegments(String versionString, int idx, int i) 

Method Source Code

//package com.java2s;
/*//from   w w  w. ja v a 2  s.co m
 * JBoss, Home of Professional Open Source.
 * Copyright 2013 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * 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.
 */

public class Main {
    private static int[] versionToSegments(String versionString, int idx, int i) {
        int c, d, a;
        c = versionString.codePointAt(idx);
        idx = versionString.offsetByCodePoints(idx, 1);
        d = Character.digit(c, 10);
        if (d == -1) {
            throw new IllegalArgumentException("String is not in version format");
        }
        a = d;
        for (;;) {
            c = versionString.codePointAt(idx);
            idx = versionString.offsetByCodePoints(idx, 1);
            if (c == '.') {
                final int[] ints = versionToSegments(versionString, idx + 1, i + 1);
                ints[i] = a;
                return ints;
            }
            d = Character.digit(c, 10);
            if (d == -1) {
                throw new IllegalArgumentException("String is not in version format");
            }
            a = a * 10 + d;
            if (idx == versionString.length()) {
                final int[] ints = new int[i + 1];
                ints[i] = a;
                return ints;
            }
        }
    }

    public static int[] versionToSegments(String versionString) {
        return versionToSegments(versionString, 0, 0);
    }
}

Related

1. versionStringToInt(String version)
2. versionStringToInt(String version)
3. versionStringToNumber(String versionStr)
4. versionToCode(String version)
5. versionToString(int version)
6. versiontostring(int vv)
7. VersionToString(long uVersion)