io.spring.initializr.generator.ProjectRequestResolver.java Source code

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Here is the source code for io.spring.initializr.generator.ProjectRequestResolver.java

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/*
 * Copyright 2012-2017 the original author or authors.
 *
 * 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.spring.initializr.generator;

import java.util.ArrayList;
import java.util.List;

import io.spring.initializr.metadata.InitializrMetadata;

import org.springframework.util.Assert;

/**
 * Resolve {@link ProjectRequest} instances, honouring callback hook points.
 *
 * @author Stephane Nicoll
 */
public class ProjectRequestResolver {

    private final List<ProjectRequestPostProcessor> postProcessors;

    public ProjectRequestResolver(List<ProjectRequestPostProcessor> postProcessors) {
        this.postProcessors = new ArrayList<>(postProcessors);
    }

    public ProjectRequest resolve(ProjectRequest request, InitializrMetadata metadata) {
        Assert.notNull(request, "Request must not be null");
        applyPostProcessBeforeResolution(request, metadata);
        request.resolve(metadata);
        applyPostProcessAfterResolution(request, metadata);
        return request;
    }

    private void applyPostProcessBeforeResolution(ProjectRequest request, InitializrMetadata metadata) {
        for (ProjectRequestPostProcessor processor : this.postProcessors) {
            processor.postProcessBeforeResolution(request, metadata);
        }
    }

    private void applyPostProcessAfterResolution(ProjectRequest request, InitializrMetadata metadata) {
        for (ProjectRequestPostProcessor processor : this.postProcessors) {
            processor.postProcessAfterResolution(request, metadata);
        }
    }

}