endpoints.LinksMvcEndpoint.java Source code

Introduction

Here is the source code for endpoints.LinksMvcEndpoint.java

Source

/*
 * Copyright 2015 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 endpoints;

import static org.springframework.hateoas.mvc.ControllerLinkBuilder.linkTo;

import java.util.Set;

import org.springframework.beans.factory.BeanFactory;
import org.springframework.boot.actuate.endpoint.Endpoint;
import org.springframework.boot.actuate.endpoint.mvc.MvcEndpoint;
import org.springframework.boot.actuate.endpoint.mvc.MvcEndpoints;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.hateoas.ResourceSupport;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import autoconfigure.EndpointHypermediaAutoConfiguration;

/**
 * @author Dave Syer
 *
 */
@ConfigurationProperties("endpoints.links")
public class LinksMvcEndpoint implements MvcEndpoint {

    private String path = "";

    private MvcEndpoints endpoints;

    private String rootPath;

    private BeanFactory beanFactory;

    public LinksMvcEndpoint(BeanFactory beanFactory, String rootPath) {
        this.beanFactory = beanFactory;
        this.rootPath = rootPath;
    }

    @RequestMapping(value = { "/", "" })
    @ResponseBody
    public ResourceSupport links() {
        ResourceSupport map = new ResourceSupport();
        String rel = this.path.startsWith("/") ? this.path.substring(1)
                : StringUtils.hasText(this.path) ? this.path : "links";
        map.add(linkTo(EndpointHypermediaAutoConfiguration.class).slash(this.rootPath + getPath()).withRel(rel));
        for (MvcEndpoint endpoint : getEndpoints()) {
            if (endpoint.getPath().equals(this.getPath())) {
                continue;
            }
            Class<?> type = endpoint.getEndpointType();
            if (type == null) {
                type = Object.class;
            }
            map.add(linkTo(type).slash(this.rootPath + endpoint.getPath())
                    .withRel(endpoint.getPath().substring(1)));
        }
        return map;
    }

    private Set<? extends MvcEndpoint> getEndpoints() {
        if (this.endpoints == null) {
            this.endpoints = this.beanFactory.getBean(MvcEndpoints.class);
        }
        return this.endpoints.getEndpoints();
    }

    public void setPath(String path) {
        this.path = path;
    }

    @Override
    public String getPath() {
        return this.path;
    }

    @Override
    public boolean isSensitive() {
        return false;
    }

    @Override
    public Class<? extends Endpoint<?>> getEndpointType() {
        return null;
    }

}