wtf.metio.yosql.codegen.blocks.DefaultGenericBlocks Maven / Gradle / Ivy

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/*
 * This file is part of yosql. It is subject to the license terms in the LICENSE file found in the top-level
 * directory of this distribution and at http://creativecommons.org/publicdomain/zero/1.0/. No part of yosql,
 * including this file, may be copied, modified, propagated, or distributed except according to the terms contained
 * in the LICENSE file.
 */

package wtf.metio.yosql.codegen.blocks;

import com.squareup.javapoet.ClassName;
import com.squareup.javapoet.CodeBlock;
import wtf.metio.yosql.models.sql.ResultRowConverter;

import java.util.Objects;

public final class DefaultGenericBlocks implements GenericBlocks {

    @Override
    public CodeBlock returnTrue() {
        return CodeBlock.builder().addStatement("return $L", true).build();
    }

    @Override
    public CodeBlock returnFalse() {
        return CodeBlock.builder().addStatement("return $L", false).build();
    }

    @Override
    public CodeBlock returnValue(final CodeBlock value) {
        return CodeBlock.builder()
                .addStatement("return $L", value)
                .build();
    }

    @Override
    public CodeBlock close(final String resource) {
        return CodeBlock.builder().addStatement("$N.close()", resource).build();
    }

    @Override
    public CodeBlock initializeFieldToSelf(final String fieldName) {
        return CodeBlock.builder()
                .addStatement("this.$N = $N", fieldName, fieldName)
                .build();
    }

    @Override
    public CodeBlock initializeConverter(final ResultRowConverter converter) {
        final var type = converter.converterType();
        final ClassName converterClass = ClassName.bestGuess((Objects.isNull(type) || type.isBlank()) ? "java.lang.Object" :
                type);
        return CodeBlock.builder()
                .addStatement("this.$N = new $T()", converter.alias(), converterClass)
                .build();
    }

}