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/*
 * Copyright 2016 Hammock and its contributors
 *
 * 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 ws.ament.hammock.web.undertow;

import io.undertow.servlet.Servlets;
import io.undertow.servlet.api.ServletInfo;
import ws.ament.hammock.web.api.ServletDescriptor;

import javax.enterprise.context.ApplicationScoped;
import javax.servlet.annotation.WebInitParam;
import java.util.function.Function;

@ApplicationScoped
public class UndertowServletMapper implements Function {
    @Override
    public ServletInfo apply(ServletDescriptor servletDescriptor) {
        ServletInfo servletInfo = Servlets.servlet(servletDescriptor.name(), servletDescriptor.servletClass())
                .setAsyncSupported(servletDescriptor.asyncSupported())
                .setLoadOnStartup(servletDescriptor.loadOnStartup())
                .addMappings(servletDescriptor.urlPatterns());
        if(servletDescriptor.initParams() != null) {
            for(WebInitParam param : servletDescriptor.initParams()) {
                servletInfo.addInitParam(param.name(), param.value());
            }
        }
        return servletInfo;
    }
}