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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.auth.ldap;
import javax.annotation.Nullable;
import javax.naming.Context;
import javax.naming.NamingException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author Evgeny Mandrikov
*/
public final class ContextHelper {
private static final Logger LOG = LoggerFactory.getLogger(ContextHelper.class);
private ContextHelper() {
}
/**
* <pre>
* public void useContextNicely() throws NamingException {
* InitialDirContext context = null;
* boolean threw = true;
* try {
* context = new InitialDirContext();
* // Some code which does something with the Context and may throw a NamingException
* threw = false; // No throwable thrown
* } finally {
* // Close context
* // If an exception occurs, only rethrow it if (threw==false)
* close(context, threw);
* }
* }
* </pre>
*
* @param context the {@code Context} object to be closed, or null, in which case this method does nothing
* @param swallowIOException if true, don't propagate {@code NamingException} thrown by the {@code close} method
* @throws NamingException if {@code swallowIOException} is false and {@code close} throws a {@code NamingException}.
*/
public static void close(@Nullable Context context, boolean swallowIOException) throws NamingException {
if (context == null) {
return;
}
try {
context.close();
} catch (NamingException e) {
if (swallowIOException) {
LOG.warn("NamingException thrown while closing context.", e);
} else {
throw e;
}
}
}
public static void closeQuietly(@Nullable Context context) {
try {
close(context, true);
} catch (NamingException e) {
LOG.error("Unexpected NamingException", e);
}
}
}
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