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 java.util.List;
import java.util.Map;

public class Main {
    /**
     * Parses the _revisions dict from a document into an array of revision ID strings
     */
    public static List<String> parseCouchDBRevisionHistory(Map<String, Object> docProperties) {
        Map<String, Object> revisions = (Map<String, Object>) docProperties.get("_revisions");
        if (revisions == null) {
            return null;
        }
        List<String> revIDs = (List<String>) revisions.get("ids");
        Integer start = (Integer) revisions.get("start");
        if (start != null) {
            for (int i = 0; i < revIDs.size(); i++) {
                String revID = revIDs.get(i);
                revIDs.set(i, Integer.toString(start--) + "-" + revID);
            }
        }
        return revIDs;
    }
}