com.solace.labs.spring.cloud.cloudfoundry.SolaceMessagingInfoCreator.java Source code

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Here is the source code for com.solace.labs.spring.cloud.cloudfoundry.SolaceMessagingInfoCreator.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
package com.solace.labs.spring.cloud.cloudfoundry;

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

import org.springframework.cloud.cloudfoundry.CloudFoundryServiceInfoCreator;
import org.springframework.cloud.cloudfoundry.Tags;

import com.solace.labs.spring.cloud.core.SolaceMessagingInfo;

public class SolaceMessagingInfoCreator extends CloudFoundryServiceInfoCreator<SolaceMessagingInfo> {

    // This creator will accept and parse any credentials that have the matching tag or label. 
    // Therefore the default accept method is sufficient and doesn't need further specification.

    // Some URI properties are represented in VCAP_SERVICES as JSON arrays, but 
    // the JCSMP Java client library expects them as comma-separated strings.
    // Therefore we do that transformation.

    static private String solaceMessagingTag = "solace-messaging";

    public SolaceMessagingInfoCreator() {
        super(new Tags(solaceMessagingTag));
    }

    @SuppressWarnings("unchecked")
    @Override
    public SolaceMessagingInfo createServiceInfo(Map<String, Object> serviceData) {
        String id = getId(serviceData);

        String clientUsername = null;
        String clientPassword = null;
        String msgVpnName = null;
        List<String> smfHosts = null;
        List<String> smfTlsHosts = null;
        List<String> smfZipHosts = null;
        List<String> jmsJndiUris = null;
        List<String> jmsJndiTlsUris = null;
        List<String> restUris = null;
        List<String> restTlsUris = null;
        List<String> mqttUris = null;
        List<String> mqttTlsUris = null;
        List<String> mqttWsUris = null;
        List<String> mqttWssUris = null;
        List<String> managementHostnames = null;
        String managementPassword = null;
        String managementUsername = null;

        Map<String, Object> credentials = getCredentials(serviceData);

        if (credentials == null) {
            throw new IllegalArgumentException("Received null credentials during object creation");
        }

        // Populate this the quick and dirty way for now. Can improve later as
        // we harden. As a start, we'll be tolerant of missing attributes and
        // just leave fields set to null.
        for (Map.Entry<String, Object> entry : credentials.entrySet()) {
            String key = entry.getKey();
            Object value = entry.getValue();

            switch (key) {
            case "clientUsername":
                clientUsername = (String) value;
                break;
            case "clientPassword":
                clientPassword = (String) value;
                break;
            case "msgVpnName":
                msgVpnName = (String) value;
                break;
            case "smfHosts":
                smfHosts = (List<String>) value;
                break;
            case "smfTlsHosts":
                smfTlsHosts = (List<String>) value;
                break;
            case "smfZipHosts":
                smfZipHosts = (List<String>) value;
                break;
            case "jmsJndiUris":
                jmsJndiUris = (List<String>) value;
                break;
            case "jmsJndiTlsUris":
                jmsJndiTlsUris = (List<String>) value;
                break;
            case "managementUsername":
                managementUsername = (String) value;
                break;
            case "managementPassword":
                managementPassword = (String) value;
                break;
            case "restUris":
                restUris = (List<String>) value;
                break;
            case "restTlsUris":
                restTlsUris = (List<String>) value;
                break;
            case "mqttUris":
                mqttUris = (List<String>) value;
                break;
            case "mqttTlsUris":
                mqttTlsUris = (List<String>) value;
                break;
            case "mqttWsUris":
                mqttWsUris = (List<String>) value;
                break;
            case "mqttWssUris":
                mqttWssUris = (List<String>) value;
                break;
            case "managementHostnames":
                managementHostnames = (List<String>) value;
                break;
            }
        }

        // Convert Lists to comma-separated strings on these properties, to be compatible with  the JCSMP Java client library.
        String smfHost = null;
        String smfTlsHost = null;
        String smfZipHost = null;
        String jmsJndiUri = null;
        String jmsJndiTlsUri = null;

        if (smfHosts != null)
            smfHost = String.join(",", smfHosts);
        if (smfTlsHosts != null)
            smfTlsHost = String.join(",", smfTlsHosts);
        if (smfZipHosts != null)
            smfZipHost = String.join(",", smfZipHosts);
        if (jmsJndiUris != null)
            jmsJndiUri = String.join(",", jmsJndiUris);
        if (jmsJndiTlsUris != null)
            jmsJndiTlsUri = String.join(",", jmsJndiTlsUris);

        SolaceMessagingInfo solMessagingInfo = new SolaceMessagingInfo(id, clientUsername, clientPassword,
                msgVpnName, smfHost, smfTlsHost, smfZipHost, jmsJndiUri, jmsJndiTlsUri, restUris, restTlsUris,
                mqttUris, mqttTlsUris, mqttWsUris, mqttWssUris, managementHostnames, managementPassword,
                managementUsername);

        return solMessagingInfo;
    }
}