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painless: Small cleanup of Debugger class to use StringWriter

This commit is contained in:
Uwe Schindler 2016-05-16 15:52:14 +02:00
parent c183e4b6eb
commit 07e4f416e6
1 changed files with 5 additions and 12 deletions
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15
modules/lang-painless/src/test/java/org/elasticsearch/painless/Debugger.java
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@ -22,11 +22,8 @@ package org.elasticsearch.painless;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.util.TraceClassVisitor;
import java.io.ByteArrayOutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.nio.charset.StandardCharsets;
import java.io.StringWriter;
/** quick and dirty tools for debugging */
final class Debugger {
@ -39,17 +36,13 @@ final class Debugger {
/** compiles to bytecode, and returns debugging output */
static String toString(String source, CompilerSettings settings) {
final byte[] bytes = Compiler.compile("<debugging>", source, settings);
final ByteArrayOutputStream output = new ByteArrayOutputStream();
final PrintWriter outputWriter = new PrintWriter(new OutputStreamWriter(output, StandardCharsets.UTF_8));
final StringWriter output = new StringWriter();
final PrintWriter outputWriter = new PrintWriter(output);
final ClassReader reader = new ClassReader(bytes);
reader.accept(new TraceClassVisitor(outputWriter), 0);
outputWriter.flush();
try {
return output.toString("UTF-8");
} catch (final UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
return output.toString();
}
}