com.google.api.codegen.advising.LanguageSettingsRule.java Source code

Introduction

Here is the source code for com.google.api.codegen.advising.LanguageSettingsRule.java

Source

/* Copyright 2017 Google LLC
 *
 * 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
 *
 *      https://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.google.api.codegen.advising;

import com.google.api.codegen.ConfigProto;
import com.google.api.codegen.LanguageSettingsProto;
import com.google.api.codegen.configgen.transformer.LanguageTransformer;
import com.google.api.tools.framework.model.Interface;
import com.google.api.tools.framework.model.Model;
import com.google.common.collect.ImmutableList;
import java.util.List;
import java.util.Map;

public class LanguageSettingsRule implements AdviserRule {
    @Override
    public String getName() {
        return "language-settings";
    }

    @Override
    public List<String> collectAdvice(Model model, ConfigProto configProto) {
        String packageName = getPackageName(model);
        ImmutableList.Builder<String> messages = ImmutableList.builder();
        for (Map.Entry<String, LanguageTransformer.LanguageFormatter> entry : LanguageTransformer.LANGUAGE_FORMATTERS
                .entrySet()) {
            String language = entry.getKey();
            LanguageSettingsProto languageSettingsProto = configProto.getLanguageSettingsOrDefault(language, null);
            if (languageSettingsProto == null) {
                String formattedPackageName = entry.getValue().getFormattedPackageName(packageName);
                messages.add(String.format(
                        "Missing language_settings for key %s.%n" + "Did you mean:%n" + "  language_settings:%n"
                                + "    # ...%n" + "    %s:%n" + "      package_name: %s%n%n",
                        language, language, formattedPackageName));
            } else if (languageSettingsProto.getPackageName().isEmpty()) {
                String formattedPackageName = entry.getValue().getFormattedPackageName(packageName);
                messages.add(String.format(
                        "Missing package_name in language_settings of key %s.%n" + "Did you mean:%n" + "  %s:%n"
                                + "    # ...%n" + "    package_name: %s%n%n",
                        language, language, formattedPackageName));
            }
        }
        return messages.build();
    }

    private String getPackageName(Model model) {
        String apiName = model.getServiceConfig().getApis(0).getName();
        Interface apiInterface = model.getSymbolTable().lookupInterface(apiName);
        return apiInterface.getFile().getFullName();
    }
}