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* except in compliance with the License. You may obtain a copy of
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*
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package jnr.posix;
import jnr.ffi.*;
import java.util.
ArrayList;
import java.util.
List;
/**
* The default native group layout.
*
* <p>
* This implementation should work on Solaris, Linux and MacOS.
* </p>
*/
public final class
DefaultNativeGroup extends
NativeGroup implements
Group {
static final class
Layout extends
StructLayout {
public
Layout(jnr.ffi.
Runtime runtime) {
super(
runtime);
}
public final
UTF8StringRef gr_name = new
UTF8StringRef(); // name
public final
UTF8StringRef gr_passwd = new
UTF8StringRef(); // group password (encrypted)
public final
Signed32 gr_gid = new
Signed32(); // group id
public final
Pointer gr_mem = new
Pointer();
}
static final
Layout layout = new
Layout(jnr.ffi.
Runtime.
getSystemRuntime());
private final
Pointer memory;
DefaultNativeGroup(jnr.ffi.
Pointer memory) {
super(
memory.
getRuntime(),
layout);
this.
memory =
memory;
}
public java.lang.
String getName() {
return
layout.
gr_name.
get(
memory);
}
public java.lang.
String getPassword() {
return
layout.
gr_passwd.
get(
memory);
}
public long
getGID() {
return
layout.
gr_gid.
get(
memory);
}
public java.lang.
String[]
getMembers() {
List<java.lang.
String>
lst = new
ArrayList<java.lang.
String>();
jnr.ffi.
Pointer ptr =
layout.
gr_mem.
get(
memory);
Pointer member;
int
ptrSize =
runtime.
addressSize();
for (int
i = 0; (
member =
ptr.
getPointer(
i)) != null;
i +=
ptrSize) {
lst.
add(
member.
getString(0));
}
return
lst.
toArray(new java.lang.
String[
lst.
size()]);
}
}