/*
* Copyright 2013-2014 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 org.springframework.xd.dirt.rest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.hateoas.EntityLinks;
import org.springframework.hateoas.Link;
import org.springframework.hateoas.TemplateVariable;
import org.springframework.hateoas.TemplateVariable.VariableType;
import org.springframework.hateoas.TemplateVariables;
import org.springframework.hateoas.UriTemplate;
import org.springframework.hateoas.mvc.ControllerLinkBuilder;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.xd.rest.domain.CompletionKind;
import org.springframework.xd.rest.domain.DetailedContainerResource;
import org.springframework.xd.rest.domain.DetailedJobInfoResource;
import org.springframework.xd.rest.domain.JobDefinitionResource;
import org.springframework.xd.rest.domain.JobExecutionInfoResource;
import org.springframework.xd.rest.domain.JobInstanceInfoResource;
import org.springframework.xd.rest.domain.ModuleDefinitionResource;
import org.springframework.xd.rest.domain.ModuleMetadataResource;
import org.springframework.xd.rest.domain.StreamDefinitionResource;
import org.springframework.xd.rest.domain.XDRuntime;
import org.springframework.xd.rest.domain.metrics.AggregateCountsResource;
import org.springframework.xd.rest.domain.metrics.CounterResource;
import org.springframework.xd.rest.domain.metrics.FieldValueCounterResource;
import org.springframework.xd.rest.domain.metrics.GaugeResource;
import org.springframework.xd.rest.domain.metrics.RichGaugeResource;
/**
* @author Eric Bottard
* @author Ilayaperumal Gopinathan
*/
@Controller
@RequestMapping("/")
public class AdminController {
@Autowired
public AdminController(EntityLinks entityLinks) {
this.entityLinks = entityLinks;
}
private final EntityLinks entityLinks;
@RequestMapping()
@ResponseBody
public XDRuntime info() {
XDRuntime xdRuntime = new XDRuntime();
xdRuntime.add(entityLinks.linkFor(StreamDefinitionResource.class).withRel("streams"));
xdRuntime.add(entityLinks.linkFor(JobDefinitionResource.class).withRel("jobs"));
xdRuntime.add(entityLinks.linkFor(ModuleDefinitionResource.class).withRel("modules"));
xdRuntime.add(entityLinks.linkFor(ModuleMetadataResource.class).withRel("runtime/modules"));
xdRuntime.add(entityLinks.linkFor(DetailedContainerResource.class).withRel("runtime/containers"));
xdRuntime.add(entityLinks.linkFor(DetailedJobInfoResource.class).withRel("jobs/configurations"));
xdRuntime.add(entityLinks.linkFor(JobExecutionInfoResource.class).withRel("jobs/executions"));
xdRuntime.add(entityLinks.linkFor(JobInstanceInfoResource.class).withRel("jobs/instances"));
// Maybe https://github.com/spring-projects/spring-hateoas/issues/169 will help eventually
TemplateVariable start = new TemplateVariable("start", VariableType.REQUEST_PARAM);
TemplateVariable lod = new TemplateVariable("detailLevel", VariableType.REQUEST_PARAM_CONTINUED);
TemplateVariables vars = new TemplateVariables(start, lod);
for (CompletionKind k : CompletionKind.values()) {
Object mi = ControllerLinkBuilder.methodOn(CompletionsController.class).completions(k, "", 42);
Link link = ControllerLinkBuilder.linkTo(mi).withRel(String.format("completions/%s", k));
String href = link.getHref().substring(0, link.getHref().lastIndexOf('?'));
UriTemplate template = new UriTemplate(href, vars);
Link copy = new Link(template, link.getRel());
xdRuntime.add(copy);
}
xdRuntime.add(entityLinks.linkFor(CounterResource.class).withRel("counters"));
xdRuntime.add(entityLinks.linkFor(FieldValueCounterResource.class).withRel("field-value-counters"));
xdRuntime.add(entityLinks.linkFor(AggregateCountsResource.class).withRel("aggregate-counters"));
xdRuntime.add(entityLinks.linkFor(GaugeResource.class).withRel("gauges"));
xdRuntime.add(entityLinks.linkFor(RichGaugeResource.class).withRel("rich-gauges"));
return xdRuntime;
}
}