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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.task.util.fs;
import java.io.IOException;
import java.nio.file.ProviderMismatchException;
import java.nio.file.attribute.FileTime;
import java.nio.file.attribute.GroupPrincipal;
import java.nio.file.attribute.PosixFileAttributeView;
import java.nio.file.attribute.PosixFileAttributes;
import java.nio.file.attribute.PosixFilePermission;
import java.nio.file.attribute.UserPrincipal;
import java.util.Map;
import java.util.Set;
import static com.yahoo.vespa.hosted.node.admin.task.util.fs.ContainerUserPrincipalLookupService.ContainerGroupPrincipal;
import static com.yahoo.vespa.hosted.node.admin.task.util.fs.ContainerUserPrincipalLookupService.ContainerUserPrincipal;
/**
* @author freva
*/
class ContainerAttributeViews {
static class ContainerPosixFileAttributeView implements PosixFileAttributeView {
private final PosixFileAttributeView posixFileAttributeView;
private final ContainerPosixFileAttributes fileAttributes;
ContainerPosixFileAttributeView(PosixFileAttributeView posixFileAttributeView,
ContainerPosixFileAttributes fileAttributes) {
this.posixFileAttributeView = posixFileAttributeView;
this.fileAttributes = fileAttributes;
}
@Override public String name() { return "posix"; }
@Override public UserPrincipal getOwner() { return fileAttributes.owner(); }
@Override public PosixFileAttributes readAttributes() { return fileAttributes; }
@Override
public void setOwner(UserPrincipal owner) throws IOException {
if (!(owner instanceof ContainerUserPrincipal)) throw new ProviderMismatchException();
posixFileAttributeView.setOwner(((ContainerUserPrincipal) owner).baseFsPrincipal());
}
@Override
public void setGroup(GroupPrincipal group) throws IOException {
if (!(group instanceof ContainerGroupPrincipal)) throw new ProviderMismatchException();
posixFileAttributeView.setGroup(((ContainerGroupPrincipal) group).baseFsPrincipal());
}
@Override
public void setTimes(FileTime lastModifiedTime, FileTime lastAccessTime, FileTime createTime) throws IOException {
posixFileAttributeView.setTimes(lastModifiedTime, lastAccessTime, createTime);
}
@Override
public void setPermissions(Set<PosixFilePermission> perms) throws IOException {
posixFileAttributeView.setPermissions(perms);
}
}
static class ContainerPosixFileAttributes implements PosixFileAttributes {
private final Map<String, Object> attributes;
ContainerPosixFileAttributes(Map<String, Object> attributes) {
this.attributes = attributes;
}
@SuppressWarnings("unchecked")
@Override public Set<PosixFilePermission> permissions() { return (Set<PosixFilePermission>) attributes.get("permissions"); }
@Override public ContainerUserPrincipal owner() { return (ContainerUserPrincipal) attributes.get("owner"); }
@Override public ContainerGroupPrincipal group() { return (ContainerGroupPrincipal) attributes.get("group"); }
@Override public FileTime lastModifiedTime() { return (FileTime) attributes.get("lastModifiedTime"); }
@Override public FileTime lastAccessTime() { return (FileTime) attributes.get("lastAccessTime"); }
@Override public FileTime creationTime() { return (FileTime) attributes.get("creationTime"); }
@Override public boolean isRegularFile() { return (boolean) attributes.get("isRegularFile"); }
@Override public boolean isDirectory() { return (boolean) attributes.get("isDirectory"); }
@Override public boolean isSymbolicLink() { return (boolean) attributes.get("isSymbolicLink"); }
@Override public boolean isOther() { return (boolean) attributes.get("isOther"); }
@Override public long size() { return (long) attributes.get("size"); }
@Override public Object fileKey() { return attributes.get("fileKey"); }
}
}
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