de.codecentric.boot.admin.services.SpringBootAdminRegistrator.java Source code

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Here is the source code for de.codecentric.boot.admin.services.SpringBootAdminRegistrator.java

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/*
 * Copyright 2014 the original author or authors.
 *
 * 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.
 */
package de.codecentric.boot.admin.services;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;

import de.codecentric.boot.admin.config.AdminClientProperties;
import de.codecentric.boot.admin.config.AdminProperties;
import de.codecentric.boot.admin.model.Application;

/**
 * Registers the client application at spring-boot-admin-server
 */
public class SpringBootAdminRegistrator {

    private static final Logger LOGGER = LoggerFactory.getLogger(SpringBootAdminRegistrator.class);

    public SpringBootAdminRegistrator(RestTemplate template, AdminProperties adminProps,
            AdminClientProperties clientProps) {
        this.clientProps = clientProps;
        this.adminProps = adminProps;
        this.template = template;
    }

    private AdminClientProperties clientProps;

    private AdminProperties adminProps;

    private final RestTemplate template;

    /**
     * Registers the client application at spring-boot-admin-server.
     * @return true if successful
     */
    public boolean register() {
        Application app = createApplication();
        String adminUrl = adminProps.getUrl() + '/' + adminProps.getContextPath();

        try {
            ResponseEntity<Application> response = template.postForEntity(adminUrl, app, Application.class);

            if (response.getStatusCode().equals(HttpStatus.CREATED)) {
                LOGGER.debug("Application registered itself as {}", response.getBody());
                return true;
            } else if (response.getStatusCode().equals(HttpStatus.CONFLICT)) {
                LOGGER.warn("Application failed to registered itself as {} because of conflict in registry.", app);
            } else {
                LOGGER.warn("Application failed to registered itself as {}. Response: {}", app,
                        response.toString());
            }
        } catch (Exception ex) {
            LOGGER.warn("Failed to register application as {} at spring-boot-admin ({}): {}", app, adminUrl,
                    ex.getMessage());
        }

        return false;
    }

    protected Application createApplication() {
        Application app = new Application(clientProps.getUrl(), clientProps.getName());
        return app;
    }
}