/*
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* Copyright (c) 2018-2028, DreamLu All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* Neither the name of the dreamlu.net developer nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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* Author: DreamLu 卢春梦 (596392912@qq.com)
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*/
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package org.springblade.core.auto.common;
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import javax.annotation.processing.AbstractProcessor;
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import javax.annotation.processing.RoundEnvironment;
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import javax.lang.model.SourceVersion;
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import javax.lang.model.element.AnnotationMirror;
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import javax.lang.model.element.Element;
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import javax.lang.model.element.TypeElement;
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import javax.tools.Diagnostic.Kind;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.util.Set;
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/**
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* 抽象 处理器
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*
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* @author L.cm
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*/
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public abstract class AbstractBladeProcessor extends AbstractProcessor {
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@Override
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public SourceVersion getSupportedSourceVersion() {
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return SourceVersion.latestSupported();
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}
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/**
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* AutoService 注解处理器
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* @param annotations 注解 getSupportedAnnotationTypes
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* @param roundEnv 扫描到的 注解新
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* @return 是否完成
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*/
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@Override
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public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
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try {
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return processImpl(annotations, roundEnv);
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} catch (Exception e) {
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fatalError(e);
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return false;
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}
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}
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protected abstract boolean processImpl(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv);
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protected void log(String msg) {
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if (processingEnv.getOptions().containsKey("debug")) {
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processingEnv.getMessager().printMessage(Kind.NOTE, msg);
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}
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}
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protected void error(String msg, Element element, AnnotationMirror annotation) {
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processingEnv.getMessager().printMessage(Kind.ERROR, msg, element, annotation);
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}
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protected void fatalError(Exception e) {
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// We don't allow exceptions of any kind to propagate to the compiler
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StringWriter writer = new StringWriter();
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e.printStackTrace(new PrintWriter(writer));
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fatalError(writer.toString());
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}
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protected void fatalError(String msg) {
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processingEnv.getMessager().printMessage(Kind.ERROR, "FATAL ERROR: " + msg);
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}
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}
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