io.undertow.server.handlers.builder.HandlerBuilder 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.builder;
import io.undertow.server.HandlerWrapper;
import java.util.Map;
import java.util.Set;
/**
* Interface that provides a way of providing a textual representation of a handler.
*
* @author Stuart Douglas
*/
public interface HandlerBuilder {
/**
* The string representation of the handler name.
*
* @return The handler name
*/
String name();
/**
* Returns a map of parameters and their types.
*/
Map> parameters();
/**
* @return The required parameters
*/
Set requiredParameters();
/**
* @return The default parameter name, or null if it does not have a default parameter
*/
String defaultParameter();
/**
* Creates the handler
*
* @param config The handler config
* @return The new predicate
*/
HandlerWrapper build(final Map config);
}