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Utils.java
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Utils.java
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/*
* SonarQube Scanner API
* Copyright (C) 2011-2018 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.sonarsource.scanner.api;
import com.eclipsesource.json.Json;
import com.eclipsesource.json.JsonObject;
import com.eclipsesource.json.JsonObject.Member;
import com.eclipsesource.json.JsonValue;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.Arrays;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
public class Utils {
private static final String SONARQUBE_SCANNER_PARAMS = "SONARQUBE_SCANNER_PARAMS";
private Utils() {
// only util static methods
}
public static Properties loadEnvironmentProperties(Map<String, String> env) {
String scannerParams = env.get(SONARQUBE_SCANNER_PARAMS);
Properties props = new Properties();
if (scannerParams != null) {
try {
JsonValue jsonValue = Json.parse(scannerParams);
JsonObject jsonObject = jsonValue.asObject();
Iterator<Member> it = jsonObject.iterator();
while (it.hasNext()) {
Member member = it.next();
String key = member.getName();
String value = member.getValue().asString();
props.put(key, value);
}
} catch (Exception e) {
throw new IllegalStateException("Failed to parse JSON in SONARQUBE_SCANNER_PARAMS environment variable", e);
}
}
return props;
}
/**
* Similar to org.apache.commons.lang.StringUtils#join()
*/
static String join(String[] array, String delimiter) {
StringBuilder sb = new StringBuilder();
Iterator<String> it = Arrays.asList(array).iterator();
while (it.hasNext()) {
sb.append(it.next());
if (!it.hasNext()) {
break;
}
sb.append(delimiter);
}
return sb.toString();
}
static boolean taskRequiresProject(Map<String, String> props) {
Object task = props.get(ScannerProperties.TASK);
return task == null || ScanProperties.SCAN_TASK.equals(task);
}
static void writeProperties(File outputFile, Properties p) {
try (OutputStream output = new FileOutputStream(outputFile)) {
p.store(output, "Generated by sonar-runner");
} catch (Exception e) {
throw new IllegalStateException("Fail to export sonar-runner properties", e);
}
}
public static void deleteQuietly(Path f) {
try {
Files.walkFileTree(f, new DeleteQuietlyFileVisitor());
} catch (IOException e) {
// ignore
}
}
private static class DeleteQuietlyFileVisitor extends SimpleFileVisitor<Path> {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
return deleteAndContinue(file);
}
@Override
public FileVisitResult visitFileFailed(Path file, IOException exc) {
return deleteAndContinue(file);
}
@Override
public FileVisitResult postVisitDirectory(Path dir, IOException exc) {
return deleteAndContinue(dir);
}
private static FileVisitResult deleteAndContinue(Path path) {
try {
Files.delete(path);
} catch (IOException e) {
// ignore
}
return FileVisitResult.CONTINUE;
}
}
}