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/*
* SonarQube
* Copyright (C) 2009-2024 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.scanner.bootstrap;
import ch.qos.logback.classic.pattern.ThrowableProxyConverter;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.classic.spi.IThrowableProxy;
import ch.qos.logback.core.CoreConstants;
import ch.qos.logback.core.encoder.EncoderBase;
import java.util.List;
import org.apache.commons.text.StringEscapeUtils;
import static ch.qos.logback.core.CoreConstants.COMMA_CHAR;
import static ch.qos.logback.core.CoreConstants.DOUBLE_QUOTE_CHAR;
import static ch.qos.logback.core.CoreConstants.UTF_8_CHARSET;
public class ScannerLogbackEncoder extends EncoderBase<ILoggingEvent> {
private static final byte[] EMPTY_BYTES = new byte[0];
private static final char OPEN_OBJ = '{';
private static final char CLOSE_OBJ = '}';
private static final char VALUE_SEPARATOR = COMMA_CHAR;
private static final char QUOTE = DOUBLE_QUOTE_CHAR;
private static final String QUOTE_COL = "\":";
private final ThrowableProxyConverter tpc = new ThrowableProxyConverter();
public ScannerLogbackEncoder() {
tpc.setOptionList(List.of("full"));
tpc.start();
}
@Override
public byte[] headerBytes() {
return EMPTY_BYTES;
}
@Override
public byte[] encode(ILoggingEvent event) {
StringBuilder sb = new StringBuilder();
sb.append(OPEN_OBJ);
var level = event.getLevel();
if (level != null) {
appenderMember(sb, "level", level.levelStr);
sb.append(VALUE_SEPARATOR);
}
appenderMember(sb, "message", StringEscapeUtils.escapeJson(event.getFormattedMessage()));
IThrowableProxy tp = event.getThrowableProxy();
String stackTrace = null;
if (tp != null) {
sb.append(VALUE_SEPARATOR);
stackTrace = tpc.convert(event);
appenderMember(sb, "stacktrace", StringEscapeUtils.escapeJson(stackTrace));
}
sb.append(CLOSE_OBJ);
sb.append(CoreConstants.JSON_LINE_SEPARATOR);
return sb.toString().getBytes(UTF_8_CHARSET);
}
private static void appenderMember(StringBuilder sb, String key, String value) {
sb.append(QUOTE).append(key).append(QUOTE_COL).append(QUOTE).append(value).append(QUOTE);
}
@Override
public byte[] footerBytes() {
return EMPTY_BYTES;
}
}
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