io.undertow.server.handlers.CanonicalPathHandler Maven / Gradle / Ivy
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* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 io.undertow.server.handlers;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import io.undertow.Handlers;
import io.undertow.server.HandlerWrapper;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
import io.undertow.server.handlers.builder.HandlerBuilder;
import io.undertow.util.CanonicalPathUtils;
/**
* @author Stuart Douglas
*/
public class CanonicalPathHandler implements HttpHandler {
private volatile HttpHandler next = ResponseCodeHandler.HANDLE_404;
public CanonicalPathHandler() {
}
public CanonicalPathHandler(final HttpHandler next) {
this.next = next;
}
@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
exchange.setRelativePath(CanonicalPathUtils.canonicalize(exchange.getRelativePath()));
next.handleRequest(exchange);
}
public HttpHandler getNext() {
return next;
}
public CanonicalPathHandler setNext(final HttpHandler next) {
Handlers.handlerNotNull(next);
this.next = next;
return this;
}
public static class Builder implements HandlerBuilder {
@Override
public String name() {
return "canonical-path";
}
@Override
public Map> parameters() {
return Collections.emptyMap();
}
@Override
public Set requiredParameters() {
return Collections.emptySet();
}
@Override
public String defaultParameter() {
return null;
}
@Override
public HandlerWrapper build(Map config) {
return new Wrapper();
}
}
private static class Wrapper implements HandlerWrapper {
@Override
public HttpHandler wrap(HttpHandler handler) {
return new CanonicalPathHandler(handler);
}
}
}