public static void close(Object o) {
try {
if (o == null) return;
if (o instanceof InputStream) {
((InputStream) o).close();
} else if (o instanceof OutputStream) {
((OutputStream) o).flush();
((OutputStream) o).close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
public static void copyStream(InputStream in, OutputStream out) throws IOException {
byte[] data = new byte[BUFFER];
int currentByte;
while ((currentByte = in.read(data, 0, BUFFER)) != -1) {
out.write(data, 0, currentByte);
}
}
/**
* Reads the program segment from the ELF file and writes it to the given writer.
*
* @param aHeader the program segment to read;
* @param aWriter the writer to write the read data to.
* @throws IOException in case of I/O problems.
*/
public void readSegment(ProgramHeader aHeader, OutputStream aWriter) throws IOException {
this.efile.seek(aHeader.getFileOffset());
this.efile.setEndiannes(this.ehdr.isLittleEndian());
long size = aHeader.getFileSize();
if (this.ehdr.is32bit()) {
size /= 4;
} else if (this.ehdr.is64bit()) {
size /= 8;
}
while (size-- >= 0) {
if (this.ehdr.is32bit()) {
byte[] buf = new byte[4];
this.efile.readFullyE(buf);
aWriter.write(buf, 0, 4);
} else {
byte[] buf = new byte[8];
this.efile.readFullyE(buf);
aWriter.write(buf, 0, 8);
}
}
}