cd.go.plugin.base.dispatcher.RequestDispatcher Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of gocd-plugin-base Show documentation

Helper utility to write gocd plugins

The newest version!

/*
 * Copyright 2019 Thoughtworks, 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 cd.go.plugin.base.dispatcher;

import cd.go.plugin.base.executors.Executor;
import com.thoughtworks.go.plugin.api.GoApplicationAccessor;
import com.thoughtworks.go.plugin.api.exceptions.UnhandledRequestTypeException;
import com.thoughtworks.go.plugin.api.request.GoPluginApiRequest;
import com.thoughtworks.go.plugin.api.response.GoPluginApiResponse;

import java.util.Map;
import java.util.Optional;

public final class RequestDispatcher {
    private final Map dispatcherRegistry;
    private final GoApplicationAccessor accessor;

    RequestDispatcher(Map dispatcherRegistry, GoApplicationAccessor accessor) {
        this.accessor = accessor;
        this.dispatcherRegistry = dispatcherRegistry;
    }


    public GoPluginApiResponse dispatch(GoPluginApiRequest request) throws UnhandledRequestTypeException {
        final Optional executorOptional = Optional.ofNullable(dispatcherRegistry.get(request.requestName()));

        if (executorOptional.isPresent()) {
            return executorOptional.get().execute(request);
        }

        throw new UnhandledRequestTypeException(request.requestName());
    }
}