@Override
public void writeExternal(ObjectOutput oo) throws IOException {
/*
* Serialization format:
* byte 1: serial version
* byte 2: name length (l)
* byte 3 to l+3: name
* byte l+4 to l+67: size of node
* byte l+68: children count
* byte l+69 to n: children (recursive)
*/
if (name != null && name.length() > Short.MAX_VALUE)
throw new IOException("Name of node exceeds maximum allowed size of " + Short.MAX_VALUE);
if (children.size() > Short.MAX_VALUE)
throw new IOException(
"Number of subfolders in "
+ name
+ " exceeds maximum allowed number: "
+ Short.MAX_VALUE);
oo.writeByte(serialVersion);
if (name != null) {
oo.writeByte(name.length());
oo.writeBytes(name);
} else {
oo.writeByte(1);
oo.writeByte(0);
}
oo.writeLong(size);
oo.writeByte(children.size());
for (FSTree child : children.values()) {
child.writeExternal(oo);
}
}
public void writeString(final String s) throws IOException {
final ObjectOutput out = this.out;
if (s != null) {
final int cn = s.length();
ASCII:
if (cn <= BA_LENGTH) {
for (int ci = 0; ci < cn; ) {
if ((s.charAt(ci++) & 0xffffff00) != 0) {
break ASCII;
}
}
if (cn <= 8) {
out.writeInt(-cn);
out.writeBytes(s);
return;
} else {
out.writeInt(-cn);
s.getBytes(0, cn, this.ba, 0);
out.write(this.ba, 0, cn);
return;
}
}
out.writeInt(cn);
out.writeChars(s);
return;
} else {
out.writeInt(Integer.MIN_VALUE);
return;
}
}
public void writeBytes(String s) throws IOException {
oo.writeBytes(s);
}