/*
* $Id$
*
* Copyright (C) 2003-2015 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 org.jnode.util.BigEndian;
public class HfsUnicodeString {
/**
* Length of string in characters.
*/
private int length;
private String string;
/**
* Create HFSUnicodeString from existing data.
*
* @param src byte array contains data.
* @param offset start of data in the array.
*/
public HfsUnicodeString(final byte[] src, final int offset) {
length = BigEndian.getUInt16(src, offset);
byte[] data = new byte[2 + (length * 2)];
System.arraycopy(src, offset, data, 0, 2);
length = BigEndian.getUInt16(data, 0);
data = new byte[length * 2];
System.arraycopy(src, offset + 2, data, 0, length * 2);
char[] result = new char[length];
for (int i = 0; i < length; ++i) {
result[i] = BigEndian.getChar(data, i * 2);
}
string = new String(result);
}
/**
* @param string
*/
public HfsUnicodeString(String string) {
this.string = string;
this.length = string.length();
}
public final int getLength() {
return length;
}
public final String getUnicodeString() {
return string;
}
public final byte[] getBytes() {
char[] result = new char[length];
string.getChars(0, length, result, 0);
byte[] name = new byte[length * 2];
for (int i = 0; i < length; ++i) {
BigEndian.setChar(name, i * 2, result[i]);
}
byte[] data = new byte[(length * 2) + 2];
BigEndian.setInt16(data, 0, length);
System.arraycopy(name, 0, data, 2, name.length);
return data;
}
@Override
public String toString() {
return string;
}
}