/*
* $Id$
*
* Copyright (C) 2003-2014 JNode.org
*
* This library 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 library 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 library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.fs.hfsplus;
import java.io.IOException;
import org.jnode.fs.FSAccessRights;
import org.jnode.fs.FSDirectory;
import org.jnode.fs.FSEntry;
import org.jnode.fs.FSEntryCreated;
import org.jnode.fs.FSEntryLastAccessed;
import org.jnode.fs.FSFile;
import org.jnode.fs.FileSystem;
import org.jnode.fs.hfsplus.catalog.CatalogFile;
import org.jnode.fs.hfsplus.catalog.CatalogFolder;
import org.jnode.fs.hfsplus.tree.LeafRecord;
import org.jnode.fs.spi.AbstractFSEntry;
import org.jnode.fs.spi.UnixFSAccessRights;
public class HfsPlusEntry implements FSEntry, FSEntryCreated, FSEntryLastAccessed {
protected HfsPlusFileSystem fs;
protected HfsPlusDirectory parent;
protected String name;
protected LeafRecord record;
private int type;
protected boolean valid;
protected boolean dirty;
protected FSAccessRights rights;
/**
* @param fs
* @param parent
* @param name
* @param record
*/
public HfsPlusEntry(HfsPlusFileSystem fs, HfsPlusDirectory parent, String name,
LeafRecord record) {
this.fs = fs;
this.parent = parent;
this.name = name;
this.record = record;
this.type = getFSEntryType();
this.rights = new UnixFSAccessRights(fs);
}
private int getFSEntryType() {
int mode = record.getType();
if ("/".equals(name)) {
return AbstractFSEntry.ROOT_ENTRY;
} else if (mode == CatalogFolder.RECORD_TYPE_FOLDER) {
return AbstractFSEntry.DIR_ENTRY;
} else if (mode == CatalogFile.RECORD_TYPE_FILE) {
return AbstractFSEntry.FILE_ENTRY;
} else {
return AbstractFSEntry.OTHER_ENTRY;
}
}
@Override
public FSAccessRights getAccessRights() throws IOException {
return rights;
}
@Override
public HfsPlusDirectory getDirectory() throws IOException {
if (!isDirectory()) {
throw new IOException("It is not a Directory");
}
return new HfsPlusDirectory(this);
}
@Override
public FSFile getFile() throws IOException {
if (!isFile()) {
throw new IOException("It is not a file");
}
return new HfsPlusFile(this);
}
@Override
public long getLastModified() throws IOException {
if (isFile()) {
CatalogFile catalogFile = new CatalogFile(getData());
return catalogFile.getContentModDate();
} else {
CatalogFolder catalogFolder = new CatalogFolder(getData());
return catalogFolder.getContentModDate();
}
}
@Override
public String getId() {
try {
if (isFile()) {
HfsPlusFile hfsPlusFile = (HfsPlusFile) getFile();
return Long.toString(hfsPlusFile.getCatalogFile().getFileId().getId());
} else {
return getDirectory().getDirectoryId();
}
} catch (IOException e) {
throw new IllegalStateException("Error getting ID", e);
}
}
@Override
public String getName() {
return name;
}
@Override
public FSDirectory getParent() {
return parent;
}
@Override
public boolean isDirectory() {
return (type == AbstractFSEntry.DIR_ENTRY || type == AbstractFSEntry.ROOT_ENTRY);
}
@Override
public boolean isDirty() throws IOException {
return dirty;
}
public void setDirty() {
dirty = true;
}
public void resetDirty() {
dirty = false;
}
@Override
public boolean isFile() {
return (type == AbstractFSEntry.FILE_ENTRY);
}
public CatalogFile createCatalogFile() {
if (!isFile()) {
throw new IllegalStateException("Attempted to create a catalog file but this entry is not a file!");
}
return new CatalogFile(getData());
}
public CatalogFolder createCatalogFolder() {
if (isFile()) {
throw new IllegalStateException("Attempted to create a catalog folder but this entry is not a directory!");
}
return new CatalogFolder(getData());
}
@Override
public void setLastModified(long lastModified) throws IOException {
if (isFile()) {
CatalogFile catalogFile = new CatalogFile(getData());
// catalogFile.setContentModDate();
throw new UnsupportedOperationException("Not implemented yet.");
} else {
CatalogFolder catalogFolder = new CatalogFolder(getData());
catalogFolder.setContentModDate(lastModified);
}
}
@Override
public void setName(String newName) throws IOException {
if (type == AbstractFSEntry.ROOT_ENTRY) {
throw new IOException("Cannot change name of root directory");
}
if (parent.rename(name, newName) < 0) {
throw new IOException("Cannot change name");
}
this.name = newName;
}
@Override
public FileSystem<?> getFileSystem() {
return fs;
}
@Override
public boolean isValid() {
return valid;
}
public byte[] getData() {
return this.record.getData();
}
@Override
public long getCreated() throws IOException {
if (isFile()) {
CatalogFile catalogFile = new CatalogFile(getData());
return catalogFile.getCreateDate();
} else {
CatalogFolder catalogFolder = new CatalogFolder(getData());
return catalogFolder.getCreateDate();
}
}
@Override
public long getLastAccessed() throws IOException {
if (isFile()) {
CatalogFile catalogFile = new CatalogFile(getData());
return catalogFile.getAccessDate();
} else {
CatalogFolder catalogFolder = new CatalogFolder(getData());
return catalogFolder.getAccessDate();
}
}
}