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/*
* Copyright (C) 2009-2014 The Project Lombok Authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.javac.handlers;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintStream;
import org.mangosdk.spi.ProviderFor;
import com.sun.tools.javac.tree.JCTree.JCAnnotation;
import lombok.Lombok;
import lombok.core.AnnotationValues;
import lombok.core.HandlerPriority;
import lombok.core.PrintAST;
import lombok.javac.JavacASTVisitor;
import lombok.javac.JavacAnnotationHandler;
import lombok.javac.JavacNode;
/**
* Handles the {@code lombok.core.PrintAST} annotation for javac.
*/
@ProviderFor(JavacAnnotationHandler.class)
@HandlerPriority(536870912) // 2^29; this handler is customarily run at the very end.
public class HandlePrintAST extends JavacAnnotationHandler<PrintAST> {
@Override public void handle(AnnotationValues<PrintAST> annotation, JCAnnotation ast, JavacNode annotationNode) {
PrintStream stream = System.out;
String fileName = annotation.getInstance().outfile();
if (fileName.length() > 0) try {
stream = new PrintStream(new File(fileName));
} catch (FileNotFoundException e) {
throw Lombok.sneakyThrow(e);
}
try {
annotationNode.up().traverse(new JavacASTVisitor.Printer(annotation.getInstance().printContent(), stream));
} finally {
if (stream != System.out) {
try {
stream.close();
} catch (Exception e) {
Lombok.sneakyThrow(e);
}
}
}
}
}
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