com.speedment.plugins.spring.internal.GeneratedConfigurationTranslator Maven / Gradle / Ivy

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Generated appropriate spring annotations into the source files to make the project work well in a Spring environment.
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/**
 *
 * Copyright (c) 2006-2018, Speedment, Inc. All Rights Reserved.
 *
 * 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.speedment.plugins.spring.internal;

import com.speedment.common.codegen.constant.SimpleType;
import com.speedment.common.codegen.model.*;
import com.speedment.common.codegen.model.Class;
import com.speedment.common.injector.Injector;
import com.speedment.common.injector.annotation.Inject;
import com.speedment.common.injector.annotation.InjectKey;
import com.speedment.generator.translator.AbstractJavaClassTranslator;
import com.speedment.generator.translator.TranslatorSupport;
import com.speedment.runtime.config.Project;
import com.speedment.runtime.config.Table;
import com.speedment.runtime.config.trait.HasEnabled;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.core.env.Environment;

import java.lang.reflect.Type;

import static com.speedment.runtime.config.util.DocumentDbUtil.traverseOver;


/**
 *
 * @author Emil Forslund
 * @since 1.0.0
 */
@InjectKey(GeneratedConfigurationTranslator.class)
public final class GeneratedConfigurationTranslator 
extends AbstractJavaClassTranslator {

    private @Inject Injector injector;

    public GeneratedConfigurationTranslator(Project document) {
        super(document, Class::of);
    }

    @Override
    protected String getClassOrInterfaceName() {
        return "Generated" + getSupport().typeName() + "Configuration";
    }

    @Override
    protected String getJavadocRepresentText() {
        return "The spring configuration file";
    }

    @Override
    public boolean isInGeneratedPackage() {
        return true;
    }

    @Override
    protected Class makeCodeGenModel(File file) {
        return newBuilder(file, getClassOrInterfaceName())
            .forEveryProject((clazz, project) -> {
                clazz.public_();

                // Add constants
                clazz.add(Field.of("URL_PROPERTY", String.class)
                    .protected_().final_().static_()
                    .set(Value.ofText("jdbc.url"))
                );

                clazz.add(Field.of("USERNAME_PROPERTY", String.class)
                    .protected_().final_().static_()
                    .set(Value.ofText("jdbc.username"))
                );

                clazz.add(Field.of("PASSWORD_PROPERTY", String.class)
                    .protected_().final_().static_()
                    .set(Value.ofText("jdbc.password"))
                );

                // Add environment variable
                clazz.add(Field.of("env", Environment.class)
                    .protected_()
                    .add(AnnotationUsage.of(Autowired.class))
                );

                // Add application bean
                final Type appType = SimpleType.create(getSupport().basePackageName() + "." + getSupport().typeName() + "Application");
                final String appBuilder = getSupport().typeName() + "ApplicationBuilder";
                final Type appBuilderType = SimpleType.create(getSupport().basePackageName() + "." + appBuilder);

                file.add(Import.of(appBuilderType));

                clazz.add(Method.of("getApplication", appType)
                    .public_()
                    .add(AnnotationUsage.of(Bean.class))
                    .add(
                        "final " + appBuilder + " builder =",
                        "    new " + appBuilder + "();",
                        "",
                        "if (env.containsProperty(URL_PROPERTY)) {",
                        "    builder.withConnectionUrl(env.getProperty(URL_PROPERTY));",
                        "}",
                        "",
                        "if (env.containsProperty(USERNAME_PROPERTY)) {",
                        "    builder.withUsername(env.getProperty(USERNAME_PROPERTY));",
                        "}",
                        "",
                        "if (env.containsProperty(PASSWORD_PROPERTY)) {",
                        "    builder.withPassword(env.getProperty(PASSWORD_PROPERTY));",
                        "}",
                        "",
                        "return builder.build();"
                    )
                );

                // Add manager beans
                traverseOver(project, Table.class)
                    .filter(HasEnabled::isEnabled)
                    .forEachOrdered(table -> {

                        final TranslatorSupport support = new TranslatorSupport<>(injector, table);

                        file.add(Import.of(support.entityType()));

                        clazz.add(Method.of("get" + support.typeName() + "Manager", support.managerType())
                            .public_()
                            .add(Field.of("app", appType))
                            .add(AnnotationUsage.of(Bean.class))
                            .add("return app.getOrThrow(" + support.managerTypeName() + ".class);")
                        );
                    });
            }).build();
    }
}




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