net.binis.codegen.enrich.handler.LogEnricherHandler Maven / Gradle / Ivy
package net.binis.codegen.enrich.handler;
/*-
* #%L
* code-generator
* %%
* Copyright (C) 2021 - 2024 Binis Belev
* %%
* 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.
* #L%
*/
import net.binis.codegen.compiler.CGClassDeclaration;
import net.binis.codegen.compiler.CGVariableDecl;
import net.binis.codegen.compiler.utils.ElementFieldUtils;
import net.binis.codegen.compiler.utils.ElementMethodUtils;
import net.binis.codegen.compiler.utils.ElementUtils;
import net.binis.codegen.enrich.LogEnricher;
import net.binis.codegen.enrich.handler.base.BaseEnricher;
import net.binis.codegen.generation.core.interfaces.ElementDescription;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static java.lang.reflect.Modifier.*;
import static net.binis.codegen.compiler.utils.ElementUtils.getDeclaration;
public class LogEnricherHandler extends BaseEnricher implements LogEnricher {
@Override
public void enrichElement(ElementDescription description) {
var declaration = getDeclaration(description.getElement());
if (declaration instanceof CGClassDeclaration cls && !cls.isInterface() && !cls.isEnum()) {
if (!cls.isAnnotation()) {
if (cls.getDefs().stream()
.filter(CGVariableDecl.class::isInstance)
.map(CGVariableDecl.class::cast)
.noneMatch(f -> "log".equals(f.getName().toString()))) {
var factoryMethod = ElementMethodUtils.createStaticMethodInvocation(LoggerFactory.class, "getLogger",
ElementUtils.selfType(cls));
ElementFieldUtils.addField(description.getElement(), "log", Logger.class, PRIVATE | STATIC | FINAL, factoryMethod);
} else {
note("Log field already defined.", description.getElement());
}
}
} else {
note("Log is applicable only for classes.", description.getElement());
}
}
@Override
public int order() {
return 0;
}
}