com.couchbase.cbadmin.client.ConnectionInfo.java Source code

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Here is the source code for com.couchbase.cbadmin.client.ConnectionInfo.java

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/*
 * Copyright (C) 2013 Couchbase, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALING
 * IN THE SOFTWARE.
 */

package com.couchbase.cbadmin.client;

import com.google.gson.JsonElement;
import com.google.gson.JsonObject;

/**
 * Basic information about a connection
 */
public class ConnectionInfo {
    private final String clusterVersion;
    private final boolean clusterActive;
    private final boolean adminCreds;
    private final String clusterId;

    public ConnectionInfo(JsonObject poolsJson) throws RestApiException {
        JsonElement eTmp;
        eTmp = poolsJson.get("implementationVersion");
        if (eTmp == null) {
            throw new RestApiException("implementationVersion missing", poolsJson);
        }
        clusterVersion = eTmp.getAsString();

        eTmp = poolsJson.get("pools");
        if (eTmp == null || eTmp.isJsonArray() == false) {
            throw new RestApiException("pools missing", poolsJson);
        }

        if (eTmp.getAsJsonArray().size() > 0) {
            clusterActive = true;
            eTmp = eTmp.getAsJsonArray().get(0);

            if (eTmp.isJsonObject() == false) {
                throw new RestApiException("Expected object in pools entry", eTmp);
            }

            eTmp = eTmp.getAsJsonObject().get("uri");
            if (eTmp == null || eTmp.isJsonPrimitive() == false) {
                throw new RestApiException("uri missing or malformed", eTmp);
            }

            clusterId = eTmp.getAsString();

        } else {
            clusterActive = false;
            clusterId = null;
        }

        eTmp = poolsJson.get("isAdminCreds");
        adminCreds = eTmp != null && eTmp.getAsBoolean();
    }

    /**
     * Returns the cluster version of this node
     * @return
     */
    public String getVersion() {
        return clusterVersion;
    }

    /**
     * Checks whether this node is part of a cluster
     * @return
     */
    public boolean hasCluster() {
        return clusterActive;
    }

    /**
     * Checks whether we're connected with admin credentials
     * @return
     */
    public boolean isAdmin() {
        return adminCreds;
    }

    /**
     * Gets a string uniquely identifying this cluster
     * @return The string, or null if not part of a cluster
     */
    public String getClusterIdentifier() {
        return clusterId;
    }
}