// Path: src/jext2/exceptions/FileTooLarge.java
// public class FileTooLarge extends JExt2Exception {
// 	static final long serialVersionUID = 42;
// 	protected final static int ERRNO = Errno.EFBIG;
// 
// 	public int getErrno() {
// 		return ERRNO;
// 	}
// }
// 
// Path: src/jext2/exceptions/IoError.java
// public class IoError extends JExt2Exception {
// 	static final long serialVersionUID = 42;
// 	protected static final int ERRNO=Errno.EIO;
// 	public IoError(String msg) {
// 		super(msg);
// 	}
// 	public IoError() {
// 		super();
// 	}
// 	public int getErrno() {
// 		return ERRNO;
// 	}
// }
// 
// Path: src/jext2/exceptions/JExt2Exception.java
// public class JExt2Exception extends Exception {
// 	protected static final int ERRNO = -1;
// 
// 	private static final long serialVersionUID = -7429088074385678308L;
// 
// 	Logger logger = Filesystem.getLogger();
// 
// 	public JExt2Exception() {
// 		log("");
// 	}
// 
// 	public JExt2Exception(String msg) {
// 		log(msg);
// 	}
// 
// 	private void log(String msg) {
// 		if (logger.isLoggable(Level.FINE)) {
// 			StackTraceElement[] stack = getStackTrace();
// 
// 			StringBuilder log = new StringBuilder();
// 			log.append("JEXT2 exception was raised: ");
// 			log.append(this.getClass().getSimpleName());
// 			log.append(" source=");
// 			log.append(stack[0].getClassName());
// 			log.append("->");
// 			log.append(stack[0].getMethodName());
// 			log.append(" msg=");
// 			log.append(msg);
// 			log.append(" errno=");
// 			log.append(getErrno());
// 
// 			logger.fine(log.toString());
// 		}
// 	}
// 
// 	public int getErrno() {
// 		throw new RuntimeException("This method should not be executed. " +
// 				"- The errno value defined here is meaningless");
// 	}
// }
// 
// Path: src/jext2/exceptions/NoSpaceLeftOnDevice.java
// public class NoSpaceLeftOnDevice extends JExt2Exception {
// 	static final long serialVersionUID = 42;
// 	protected final static int ERRNO = Errno.ENOSPC;
// 
// 	public int getErrno() {
// 		return ERRNO;
// 	}
// }


import java.nio.ByteBuffer;
import java.util.Date;
import java.util.LinkedList;
import java.util.logging.Logger;
import org.apache.commons.lang.builder.HashCodeBuilder;
import jext2.exceptions.FileTooLarge;
import jext2.exceptions.IoError;
import jext2.exceptions.JExt2Exception;
import jext2.exceptions.NoSpaceLeftOnDevice;
/*
 * Copyright (c) 2011 Marcel Lauhoff.
 * 
 * This file is part of jext2.
 * 
 * jext2 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * jext2 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with jext2.  If not, see <http://www.gnu.org/licenses/>.
 */

package jext2;




/**
 * Base class for inodes with data blocks. Like Symlinks, Directories, Regular Files
 */
public class DataInode extends Inode {
	Superblock superblock = Superblock.getInstance();
	BlockAccess blockAccess = BlockAccess.getInstance();
	DataBlockAccess dataAccess = null;

	private long[] block;
	private long blocks = 0;

	public final long getBlocks() {
		return this.blocks;
	}
	public final long[] getBlock() {
		return this.block;
	}
	public final void setBlocks(long blocks) {
		this.blocks = blocks;
	}
	public final void setBlock(long[] block) {
		this.block = block;
	}

	@Override
	public boolean hasDataBlocks() {
		return getBlocks() > 0;
	}

	/**
	 * Get the data access provider to read and write to the data area of this
	 * inode
	 */
	public DataBlockAccess accessData() {
		if (dataAccess == null)
			dataAccess = DataBlockAccess.fromInode(this);
		return dataAccess;
	}

	/**
	 * Read Inode data
	 * @param  size    size of the data to be read
	 * @param  offset  start address in data area
	 * @return buffer of size size containing data.
	 * @throws FileTooLarge
	 * @throws IoError
	 */
// Path: src/jext2/exceptions/FileTooLarge.java
// public class FileTooLarge extends JExt2Exception {
// 	static final long serialVersionUID = 42;
// 	protected final static int ERRNO = Errno.EFBIG;
// 
// 	public int getErrno() {
// 		return ERRNO;
// 	}
// }
// 
// Path: src/jext2/exceptions/IoError.java
// public class IoError extends JExt2Exception {
// 	static final long serialVersionUID = 42;
// 	protected static final int ERRNO=Errno.EIO;
// 	public IoError(String msg) {
// 		super(msg);
// 	}
// 	public IoError() {
// 		super();
// 	}
// 	public int getErrno() {
// 		return ERRNO;
// 	}
// }
// 
// Path: src/jext2/exceptions/JExt2Exception.java
// public class JExt2Exception extends Exception {
// 	protected static final int ERRNO = -1;
// 
// 	private static final long serialVersionUID = -7429088074385678308L;
// 
// 	Logger logger = Filesystem.getLogger();
// 
// 	public JExt2Exception() {
// 		log("");
// 	}
// 
// 	public JExt2Exception(String msg) {
// 		log(msg);
// 	}
// 
// 	private void log(String msg) {
// 		if (logger.isLoggable(Level.FINE)) {
// 			StackTraceElement[] stack = getStackTrace();
// 
// 			StringBuilder log = new StringBuilder();
// 			log.append("JEXT2 exception was raised: ");
// 			log.append(this.getClass().getSimpleName());
// 			log.append(" source=");
// 			log.append(stack[0].getClassName());
// 			log.append("->");
// 			log.append(stack[0].getMethodName());
// 			log.append(" msg=");
// 			log.append(msg);
// 			log.append(" errno=");
// 			log.append(getErrno());
// 
// 			logger.fine(log.toString());
// 		}
// 	}
// 
// 	public int getErrno() {
// 		throw new RuntimeException("This method should not be executed. " +
// 				"- The errno value defined here is meaningless");
// 	}
// }
// 
// Path: src/jext2/exceptions/NoSpaceLeftOnDevice.java
// public class NoSpaceLeftOnDevice extends JExt2Exception {
// 	static final long serialVersionUID = 42;
// 	protected final static int ERRNO = Errno.ENOSPC;
// 
// 	public int getErrno() {
// 		return ERRNO;
// 	}
// }


// Path: src/jext2/DataInode.java
import java.nio.ByteBuffer;
import java.util.Date;
import java.util.LinkedList;
import java.util.logging.Logger;
import org.apache.commons.lang.builder.HashCodeBuilder;
import jext2.exceptions.FileTooLarge;
import jext2.exceptions.IoError;
import jext2.exceptions.JExt2Exception;
import jext2.exceptions.NoSpaceLeftOnDevice;

/*
 * Copyright (c) 2011 Marcel Lauhoff.
 * 
 * This file is part of jext2.
 * 
 * jext2 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * jext2 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with jext2.  If not, see <http://www.gnu.org/licenses/>.
 */

package jext2;




/**
 * Base class for inodes with data blocks. Like Symlinks, Directories, Regular Files
 */
public class DataInode extends Inode {
	Superblock superblock = Superblock.getInstance();
	BlockAccess blockAccess = BlockAccess.getInstance();
	DataBlockAccess dataAccess = null;

	private long[] block;
	private long blocks = 0;

	public final long getBlocks() {
		return this.blocks;
	}
	public final long[] getBlock() {
		return this.block;
	}
	public final void setBlocks(long blocks) {
		this.blocks = blocks;
	}
	public final void setBlock(long[] block) {
		this.block = block;
	}

	@Override
	public boolean hasDataBlocks() {
		return getBlocks() > 0;
	}

	/**
	 * Get the data access provider to read and write to the data area of this
	 * inode
	 */
	public DataBlockAccess accessData() {
		if (dataAccess == null)
			dataAccess = DataBlockAccess.fromInode(this);
		return dataAccess;
	}

	/**
	 * Read Inode data
	 * @param  size    size of the data to be read
	 * @param  offset  start address in data area
	 * @return buffer of size size containing data.
	 * @throws FileTooLarge
	 * @throws IoError
	 */
	public ByteBuffer readData(int size, long fileOffset) throws JExt2Exception, FileTooLarge {