/**
* Creates a new header for a file/directory entry.
*
* @param name File name
* @param size File size in bytes
* @param modTime Last modification time in numeric Unix time format
* @param dir Is directory
* @return
*/
public static TarHeader createHeader(String entryName, long size, long modTime, boolean dir) {
String name = entryName;
name = TarUtils.trim(name.replace(File.separatorChar, '/'), '/');
TarHeader header = new TarHeader();
header.linkName = new StringBuffer("");
if (name.length() > 100) {
header.namePrefix = new StringBuffer(name.substring(0, name.lastIndexOf('/')));
header.name = new StringBuffer(name.substring(name.lastIndexOf('/') + 1));
} else {
header.name = new StringBuffer(name);
}
if (dir) {
header.mode = 040755;
header.linkFlag = TarHeader.LF_DIR;
if (header.name.charAt(header.name.length() - 1) != '/') {
header.name.append("/");
}
header.size = 0;
} else {
header.mode = 0100644;
header.linkFlag = TarHeader.LF_NORMAL;
header.size = size;
}
header.modTime = modTime;
header.checkSum = 0;
header.devMajor = 0;
header.devMinor = 0;
return header;
}