org.sonarsource.dotnet.shared.plugins.RealPathProvider Maven / Gradle / Ivy
/*
* SonarSource :: .NET :: Shared library
* Copyright (C) 2014-2024 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.sonarsource.dotnet.shared.plugins;
import java.util.function.UnaryOperator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.nio.file.Paths;
import java.util.HashMap;
import java.util.Map;
/**
* This class is designed to provide some caching around the transformation from a path to the real path on the system.
*
* We are doing some caching because the toRealPath operation can be expensive and we know that Roslyn paths will always use the same pattern so we expect a lot of read
*/
public class RealPathProvider implements UnaryOperator {
private static final Logger LOG = LoggerFactory.getLogger(RealPathProvider.class);
private final Map cachedPaths = new HashMap<>();
@Override
public String apply(String path) {
return cachedPaths.computeIfAbsent(path, this::getRealPath);
}
public String getRealPath(String path) {
try {
return Paths.get(path).toRealPath().toString();
} catch (IOException e) {
LOG.debug("Failed to retrieve the real full path for '{}'", path);
return path;
}
}
}