codegen/src/main/java/org/apache/servicecomb/toolkit/codegen/ConsumerDirectoryStrategy.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.servicecomb.toolkit.codegen;

import java.io.File;
import java.util.Collections;
import java.util.List;
import java.util.Map;

import org.openapitools.codegen.SupportingFile;

public class ConsumerDirectoryStrategy implements DirectoryStrategy<List<SupportingFile>> {

  protected Map<String, Object> propertiesMap = Collections.emptyMap();

  private String consumerTemplateFolder = "consumer";

  protected String projectFolder = "src" + File.separator + "main";

  protected String sourceFolder = projectFolder + File.separator + "java";

  private String apiConsumerTemplate = consumerTemplateFolder + "/apiConsumer.mustache";

  private String apiConsumerTemplateForPojo = consumerTemplateFolder + "/pojo/apiConsumer.mustache";

  private String apiInterfaceTemplateForPojo = consumerTemplateFolder + "/pojo/apiInterface.mustache";

  @Override
  public String modelDirectory() {
    return consumerDirectory();
  }

  @Override
  public String providerDirectory() {
    throw new UnsupportedOperationException();
  }

  @Override
  public String consumerDirectory() {
    return (String) propertiesMap.get("artifactId");
  }

  @Override
  public void processSupportingFile(List<SupportingFile> supportingFiles) {

    String newConsumerTemplateFolder = consumerTemplateFolder;

    if (ServiceCombCodegen.SPRING_BOOT_LIBRARY.equals(propertiesMap.get("library"))) {
      newConsumerTemplateFolder += "/springboot";
    }

    supportingFiles.add(new SupportingFile(newConsumerTemplateFolder + "/pom.mustache",
        consumerDirectory(),
        "pom.xml")
    );

    supportingFiles.add(new SupportingFile(newConsumerTemplateFolder + "/Application.mustache",
        mainClassFolder(consumerDirectory()),
        "Application.java")
    );

    supportingFiles.add(new SupportingFile("log4j2.mustache",
        resourcesFolder(consumerDirectory()),
        "log4j2.xml")
    );

    supportingFiles.add(new SupportingFile(consumerTemplateFolder + "/microservice.mustache",
        resourcesFolder(consumerDirectory()),
        "microservice.yaml")
    );

    propertiesMap
        .computeIfAbsent(GeneratorExternalConfigConstant.CONSUMER_ARTIFACT_ID, k -> propertiesMap.get("artifactId"));

    propertiesMap.put("apiConsumerTemplate", apiConsumerTemplate);
    propertiesMap.put("apiConsumerTemplateForPojo", apiConsumerTemplateForPojo);
    Map<String, String> apiTemplateFiles = ((Map<String, String>) propertiesMap.get("apiTemplateFiles"));
    apiTemplateFiles.remove("api.mustache");
    if (ServiceCombCodegen.POJO_LIBRARY.equals(propertiesMap.get("library"))) {
      apiTemplateFiles.put(apiConsumerTemplateForPojo, "Consumer.java");
      apiTemplateFiles.put(apiInterfaceTemplateForPojo, ".java");
      propertiesMap.put("isPOJO", true);
    } else {
      apiTemplateFiles.put(apiConsumerTemplate, ".java");
    }
  }

  @Override
  public void addCustomProperties(Map<String, Object> propertiesMap) {
    this.propertiesMap = propertiesMap;
  }

  private String mainClassFolder(String projectPath) {
    return projectPath + File.separator + sourceFolder + File.separator + ((String) propertiesMap
        .get("mainClassPackage")).replace(".", File.separator);
  }

  private String resourcesFolder(String projectPath) {
    return projectPath + File.separator + projectFolder + File.separator + "resources";
  }
}