/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.logging.resolvers;
import static org.jboss.as.controller.services.path.PathResourceDefinition.PATH;
import static org.jboss.as.controller.services.path.PathResourceDefinition.RELATIVE_TO;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.services.path.PathManager;
import org.jboss.as.controller.services.path.PathManagerService;
import org.jboss.as.logging.logging.LoggingLogger;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
/**
* Used to resolve an absolute path for a file.
*
* @author <a href="mailto:jperkins@redhat.com">James R. Perkins</a>
*/
public class FileResolver implements ModelNodeResolver<String> {
public static final FileResolver INSTANCE = new FileResolver();
private FileResolver() {
}
@Override
public String resolveValue(final OperationContext context, final ModelNode value) throws OperationFailedException {
final ModelNode pathNode = PATH.resolveModelAttribute(context, value);
final ModelNode relativeToNode = RELATIVE_TO.resolveModelAttribute(context, value);
String path = pathNode.asString();
String result = path;
if (relativeToNode.isDefined()) {
result = resolve(context, relativeToNode.asString(), path);
}
if (result == null) {
throw new IllegalStateException(LoggingLogger.ROOT_LOGGER.pathManagerServiceNotStarted());
}
final Path file = Paths.get(result);
if (Files.exists(file) && Files.isDirectory(file)) {
throw LoggingLogger.ROOT_LOGGER.invalidLogFile(file.normalize().toString());
}
return result;
}
/**
* Resolves the path based on the relative to and the path. May return {@code null} if the service is not up.
*
* @param context the operation context.
* @param relativeToPath the relative to path, may be {@code null}.
* @param path the path to append to the relative to path or the absolute path if the relative to path is
* {@code null}.
*
* @return the full path or {@code null} if the services were not started.
*/
public static String resolvePath(final OperationContext context, final String relativeToPath, final String path) {
return INSTANCE.resolve(context, relativeToPath, path);
}
private String resolve(final OperationContext context, final String relativeToPath, final String path) {
// TODO it would be better if this came via the ExtensionContext
@SuppressWarnings("unchecked")
final ServiceController<PathManager> controller = (ServiceController<PathManager>) context.getServiceRegistry(false).getService(PathManagerService.SERVICE_NAME);
if (controller == null) {
return null;
}
return controller.getValue().resolveRelativePathEntry(path, relativeToPath);
}
}