/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.sshd.common.scp.helpers;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.OpenOption;
import java.nio.file.Path;
import java.nio.file.attribute.BasicFileAttributeView;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.PosixFilePermission;
import java.util.Collection;
import java.util.Objects;
import java.util.Set;
import org.apache.sshd.common.scp.ScpFileOpener;
import org.apache.sshd.common.scp.ScpSourceStreamResolver;
import org.apache.sshd.common.scp.ScpTimestamp;
import org.apache.sshd.common.session.Session;
import org.apache.sshd.common.util.io.IoUtils;
import org.apache.sshd.common.util.logging.AbstractLoggingBean;
/**
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class LocalFileScpSourceStreamResolver extends AbstractLoggingBean implements ScpSourceStreamResolver {
protected final Path path;
protected final ScpFileOpener opener;
protected final Path name;
protected final Set<PosixFilePermission> perms;
protected final long size;
protected final ScpTimestamp time;
public LocalFileScpSourceStreamResolver(Path path, ScpFileOpener opener) throws IOException {
this.path = Objects.requireNonNull(path, "No path specified");
this.opener = (opener == null) ? DefaultScpFileOpener.INSTANCE : opener;
this.name = path.getFileName();
this.perms = IoUtils.getPermissions(path);
BasicFileAttributes basic = Files.getFileAttributeView(path, BasicFileAttributeView.class).readAttributes();
this.size = basic.size();
this.time = new ScpTimestamp(basic.lastModifiedTime().toMillis(), basic.lastAccessTime().toMillis());
}
@Override
public String getFileName() throws IOException {
return name.toString();
}
@Override
public Collection<PosixFilePermission> getPermissions() throws IOException {
return perms;
}
@Override
public ScpTimestamp getTimestamp() throws IOException {
return time;
}
@Override
public long getSize() throws IOException {
return size;
}
@Override
public Path getEventListenerFilePath() {
return path;
}
@Override
public InputStream resolveSourceStream(Session session, OpenOption... options) throws IOException {
return opener.openRead(session, getEventListenerFilePath(), options);
}
@Override
public String toString() {
return String.valueOf(getEventListenerFilePath());
}
}