63 lines
2.0 KiB
Java
63 lines
2.0 KiB
Java
/*
|
|
* Copyright 2013 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.hateoas;
|
|
|
|
import org.springframework.http.MediaType;
|
|
import org.springframework.plugin.core.PluginRegistry;
|
|
import org.springframework.util.Assert;
|
|
|
|
/**
|
|
* Value object to wrap a {@link PluginRegistry} for {@link LinkDiscoverer} so that it's easier to inject them into
|
|
* clients wanting to lookup a {@link LinkDiscoverer} for a given {@link MediaTypes}.
|
|
*
|
|
* @author Oliver Gierke
|
|
*/
|
|
public class LinkDiscoverers {
|
|
|
|
private final PluginRegistry<LinkDiscoverer, MediaType> discoverers;
|
|
|
|
/**
|
|
* Creates a new {@link LinkDiscoverers} instance with the given {@link PluginRegistry}.
|
|
*
|
|
* @param discoverers must not be {@literal null}.
|
|
*/
|
|
public LinkDiscoverers(PluginRegistry<LinkDiscoverer, MediaType> discoverers) {
|
|
|
|
Assert.notNull(discoverers, "Registry of LinkDiscoverer must not be null!");
|
|
this.discoverers = discoverers;
|
|
}
|
|
|
|
/**
|
|
* Returns the {@link LinkDiscoverer} suitable for the given {@link MediaType}.
|
|
*
|
|
* @param mediaType
|
|
* @return
|
|
*/
|
|
public LinkDiscoverer getLinkDiscovererFor(MediaType mediaType) {
|
|
return discoverers.getRequiredPluginFor(mediaType);
|
|
}
|
|
|
|
/**
|
|
* Returns the {@link LinkDiscoverer} suitable for the given media type.
|
|
*
|
|
* @param mediaType
|
|
* @return
|
|
*/
|
|
public LinkDiscoverer getLinkDiscovererFor(String mediaType) {
|
|
return getLinkDiscovererFor(MediaType.valueOf(mediaType));
|
|
}
|
|
}
|