Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright (c) 2013 Cloudant, Inc. All rights reserved.
 *
 * 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.base.Strings;

public class Main {
    public static String getRevisionIdSuffix(String revId) {
        validateRevisionId(revId);
        int dashPos = revId.indexOf("-");
        if (dashPos >= 0) {
            return revId.substring(dashPos + 1);
        } else {
            throw new IllegalStateException("The revId id should be valid: " + revId);
        }
    }

    public static void validateRevisionId(String revisionId) {
        if (!isValidRevisionId(revisionId)) {
            throw new IllegalArgumentException(
                    "DocumentRevision revision id is not in right format: " + revisionId);
        }
    }

    public static boolean isValidRevisionId(String revisionId) {
        if (Strings.isNullOrEmpty(revisionId)) {
            return false;
        }
        int dashPos = revisionId.indexOf("-");
        if (dashPos < 0) {
            return false;
        } else {
            try {
                Integer.parseInt(revisionId.substring(0, dashPos));
            } catch (NumberFormatException e) {
                return false;
            }
            return true;
        }
    }
}