EndPointMethodFactory.java

/*
 * Copyright 2015 ArcBees 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 com.gwtplatform.dispatch.rest.processors.endpoint;

import javax.lang.model.element.ExecutableElement;

import com.google.auto.service.AutoService;
import com.gwtplatform.dispatch.rest.processors.details.EndPointDetails;
import com.gwtplatform.dispatch.rest.processors.details.EndPointDetailsFactory;
import com.gwtplatform.dispatch.rest.processors.resolvers.HttpVerbResolver;
import com.gwtplatform.dispatch.rest.processors.resource.Resource;
import com.gwtplatform.dispatch.rest.processors.resource.ResourceMethodFactory;
import com.gwtplatform.dispatch.rest.processors.resource.ResourceMethodUtils;
import com.gwtplatform.processors.tools.logger.Logger;
import com.gwtplatform.processors.tools.utils.Utils;

@AutoService(ResourceMethodFactory.class)
public class EndPointMethodFactory implements ResourceMethodFactory<EndPointMethod> {
    private ResourceMethodUtils resourceMethodUtils;
    private EndPointDetails.Factory endPointDetailsFactory;
    private EndPoint.Factory endPointFactory;

    /**
     * Explicit constructor required by the Service Loader.
     */
    public EndPointMethodFactory() {
    }

    public EndPointMethodFactory(
            Logger logger,
            Utils utils) {
        init(logger, utils);
    }

    @Override
    public void init(Logger logger, Utils utils) {
        resourceMethodUtils = new ResourceMethodUtils();
        endPointDetailsFactory = new EndPointDetailsFactory(logger, utils);
        endPointFactory = new EndPointFactory(utils);
    }

    @Override
    public boolean canCreate(ExecutableElement element) {
        return HttpVerbResolver.isPresent(element) && resourceMethodUtils.returnsRestAction(element);
    }

    @Override
    public EndPointMethod create(Resource parentResource, ExecutableElement element) {
        return new EndPointMethod(resourceMethodUtils, endPointDetailsFactory, endPointFactory, parentResource,
                element);
    }
}