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/*
* Copyright 2011 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 com.jayway.jaxrs.hateoas;
import java.util.Map;
/**
* This enum contains all valid values for HATEOAS options.
*
* @author Mattias Hellborg Arthursson
* @author Kalle Stenflo
*/
public enum HateoasOption {
/**
* Includes the Linkable id in the 'id' attribute of the produced link.
*/
ID {
@Override
public void addTo(Map map, HateoasLink link) {
map.put("id", link.getId());
}
},
/**
* Includes the rel in the 'rel' attribute of the produced link.
*/
REL {
@Override
public void addTo(Map map, HateoasLink link) {
map.put("rel", link.getRel());
}
},
/**
* Includes the href in the 'href' attribute of the produced link.
*/
HREF {
@Override
public void addTo(Map map, HateoasLink link) {
map.put("href", link.getHref());
}
},
/**
* Includes the value (if any) of the @Consumes annotation in the 'consumes' attribute of the produced link.
*/
CONSUMES {
@Override
public void addTo(Map map, HateoasLink link) {
if (!"GET".equals(link.getMethod())
&& !"DELETE".equals(link.getMethod())) {
map.put("consumes", link.getConsumes());
}
}
},
/**
* Includes the value (if any) of the @Produces annotation in the 'produces' attribute of the produced link.
*/
PRODUCES {
@Override
public void addTo(Map map, HateoasLink link) {
map.put("produces", link.getProduces());
}
},
/**
* Alternate attribute for the @Produces annotation value; adds a 'type' attribute instead (more ATOM-like).
*/
TYPE {
@Override
public void addTo(Map map, HateoasLink link) {
map.put("type", link.getProduces());
}
},
/**
* Includes the http method in the 'method' attribute of the produced link.
*/
METHOD {
@Override
public void addTo(Map map, HateoasLink link) {
map.put("method", link.getMethod());
}
},
/**
* Includes the label of the @Linkable annotation in the 'label' attribute of the produced link.
*/
LABEL {
@Override
public void addTo(Map map, HateoasLink link) {
map.put("label", link.getLabel());
}
},
/**
* Includes the description of the @Linkable annotation in the 'description' attribute of the produced link.
*/
DESCRIPTION {
@Override
public void addTo(Map map, HateoasLink link) {
map.put("description", link.getDescription());
}
},
/**
* Includes a json template representing the templateClass of the @Linkable annotation in the 'template' attribute
* of the produced link.
*/
TEMPLATE {
@Override
public void addTo(Map map, HateoasLink link) {
Class templateClass = link.getTemplateClass();
if (!"GET".equals(link.getMethod())
&& !"DELETE".equals(link.getMethod())) {
if (!templateClass.equals(Linkable.NoTemplate.class)) {
try {
Object instance = templateClass.newInstance();
map.put("template", instance);
} catch (Exception e) {
throw new RuntimeException(
"Failed to instantiate class", e);
}
} else {
map.put("template", "NOT_DEFINED");
}
}
}
};
public abstract void addTo(Map map, HateoasLink link);
}
