reactor.bus.selector.UriPathSelector Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2014 Pivotal Software, Inc.
*
* 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 reactor.bus.selector;
import javax.annotation.Nullable;
import java.util.Map;
/**
* A {@link Selector} implementation based on a {@link UriPathTemplate}.
*
* @author Jon Brisbin
* @author Andy Wilkinson
*
* @see UriPathTemplate
*/
public class UriPathSelector extends ObjectSelector {
private final HeaderResolver headerResolver = new HeaderResolver() {
@Nullable
@Override
public Map resolve(Object key) {
Map headers = getObject().match(key.toString());
if (null != headers && !headers.isEmpty()) {
return headers;
}
return null;
}
};
/**
* Create a selector from the given uri template string.
*
* @param uriPathTmpl The string to compile into a {@link UriPathTemplate}.
*/
public UriPathSelector(String uriPathTmpl) {
super(new UriPathTemplate(uriPathTmpl));
}
/**
* Creates a {@link Selector} based on a URI template.
*
* @param uriTemplate The URI template to compile.
*
* @return The new {@link Selector}.
*
* @see UriPathTemplate
*/
public static Selector uriPathSelector(String uriTemplate) {
return new UriPathSelector(uriTemplate);
}
@Override
public boolean matches(Object path) {
return String.class.isAssignableFrom(path.getClass()) && getObject().matches((String)path);
}
@Override
public HeaderResolver getHeaderResolver() {
return headerResolver;
}
}