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/*
* SonarQube
* Copyright (C) 2009-2025 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.Level;
import ch.qos.logback.classic.Logger;
import com.google.gson.Gson;
import com.google.gson.annotations.SerializedName;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import javax.annotation.CheckForNull;
import javax.annotation.Nullable;
import org.jetbrains.annotations.NotNull;
import org.slf4j.LoggerFactory;
import org.sonar.api.utils.MessageException;
import org.sonar.batch.bootstrapper.EnvironmentInformation;
import org.sonar.batch.bootstrapper.LoggingConfiguration;
import static org.sonar.batch.bootstrapper.LoggingConfiguration.LEVEL_ROOT_DEFAULT;
import static org.sonar.batch.bootstrapper.LoggingConfiguration.LEVEL_ROOT_VERBOSE;
public class ScannerMain {
private static final org.slf4j.Logger LOG = LoggerFactory.getLogger(ScannerMain.class);
private static final String SCANNER_APP_KEY = "sonar.scanner.app";
private static final String SCANNER_APP_VERSION_KEY = "sonar.scanner.appVersion";
public static void main(String... args) {
System.exit(run(System.in));
}
public static int run(InputStream in) {
try {
LOG.info("Starting SonarScanner Engine...");
LOG.atInfo().log(ScannerMain::java);
var properties = parseInputProperties(in);
EnvironmentConfig.processEnvVariables(properties);
configureLogLevel(properties);
runScannerEngine(properties);
LOG.info("SonarScanner Engine completed successfully");
return 0;
} catch (Throwable throwable) {
handleException(throwable);
return 1;
}
}
static String java() {
StringBuilder sb = new StringBuilder();
sb
.append("Java ")
.append(System.getProperty("java.version"))
.append(" ")
.append(System.getProperty("java.vendor"));
String bits = System.getProperty("sun.arch.data.model");
if ("32".equals(bits) || "64".equals(bits)) {
sb.append(" (").append(bits).append("-bit)");
}
return sb.toString();
}
private static void handleException(Throwable throwable) {
var messageException = unwrapMessageException(throwable);
if (messageException.isPresent()) {
// Don't show the stacktrace for a message exception to not pollute the logs
if (LoggerFactory.getLogger(ScannerMain.class).isDebugEnabled()) {
LOG.error(messageException.get(), throwable);
} else {
LOG.error(messageException.get());
}
} else {
LOG.error("Error during SonarScanner Engine execution", throwable);
}
}
private static Optional<String> unwrapMessageException(@Nullable Throwable throwable) {
if (throwable == null) {
return Optional.empty();
} else if (throwable instanceof MessageException messageException) {
return Optional.of(messageException.getMessage());
} else {
return unwrapMessageException(throwable.getCause());
}
}
private static @NotNull Map<String, String> parseInputProperties(InputStream in) {
Map<String, String> properties = new HashMap<>();
var input = parseJsonInput(in);
if (input != null && input.scannerProperties != null) {
input.scannerProperties.forEach(prop -> {
if (prop == null || (prop.key == null && prop.value == null)) {
LOG.warn("Ignoring null or empty property");
} else if (prop.key == null) {
LOG.warn("Ignoring property with null key. Value='{}'", prop.value);
} else if (prop.value == null) {
LOG.warn("Ignoring property with null value. Key='{}'", prop.key);
} else {
if (properties.containsKey(prop.key)) {
LOG.warn("Duplicated properties. Key='{}'", prop.key);
}
properties.put(prop.key, prop.value);
}
});
}
return properties;
}
@CheckForNull
private static Input parseJsonInput(InputStream in) {
try (var reader = new BufferedReader(new InputStreamReader(in, StandardCharsets.UTF_8))) {
return new Gson().fromJson(reader, Input.class);
} catch (Exception e) {
throw new IllegalArgumentException("Failed to parse JSON input", e);
}
}
private static void runScannerEngine(Map<String, String> properties) {
var scannerAppKey = properties.get(SCANNER_APP_KEY);
var scannerAppVersion = properties.get(SCANNER_APP_VERSION_KEY);
var env = new EnvironmentInformation(scannerAppKey, scannerAppVersion);
SpringGlobalContainer.create(properties, List.of(env)).execute();
}
private static void configureLogLevel(Map<String, String> properties) {
var verbose = LoggingConfiguration.isVerboseEnabled(properties);
var rootLogger = (Logger) LoggerFactory.getLogger(org.slf4j.Logger.ROOT_LOGGER_NAME);
rootLogger.setLevel(Level.toLevel(verbose ? LEVEL_ROOT_VERBOSE : LEVEL_ROOT_DEFAULT));
}
private static class Input {
@SerializedName("scannerProperties")
private List<ScannerProperty> scannerProperties;
}
private static class ScannerProperty {
@SerializedName("key")
private String key;
@SerializedName("value")
private String value;
}
}
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