exposed some methods for testing

pause.bat

-@echo %cd%
-@pause
\ No newline at end of file
+@echo off
+echo Current file: %0
+echo Current directory: %cd%
+if not "%*" == "" (
+	echo Command line: %*
+)
+pause
\ No newline at end of file

src/io/ByteReader.java

@@ -37,6 +37,16 @@ public class ByteReader extends InputStream {
 		le = !le;
 		return this;
 	}
+
+	public ByteReader setLittleEndian() {
+		le = true;
+		return this;
+	}
+
+	public ByteReader setBigEndian() {
+		le = false;
+		return this;
+	}
 	
 	public boolean seek(int n) throws IOException {
 		if (n <= 0) return false;

src/io/ByteWriter.java

@@ -38,6 +38,16 @@ public class ByteWriter extends OutputStream {
 		return this;
 	}
 
+	public ByteWriter setLittleEndian() {
+		le = true;
+		return this;
+	}
+
+	public ByteWriter setBigEndian() {
+		le = false;
+		return this;
+	}
+
 	@Override
 	public void close() throws IOException
 	{

src/mslinks/ShellLink.java

@@ -84,6 +84,12 @@ public class ShellLink {
 			parse(reader);
 		}
 	}
+
+	public ShellLink(ByteReader reader) throws IOException, ShellLinkException {
+		try (reader) {
+			parse(reader);
+		}
+	}
 	
 	private void parse(ByteReader data) throws ShellLinkException, IOException {
 		header = new ShellLinkHeader(data);
@@ -119,10 +125,15 @@ public class ShellLink {
 			}
 		}
 	}
-		
+
 	public void serialize(OutputStream out) throws IOException {
+		var bw = new ByteWriter(out);
+		serialize(bw);
+		out.close();
+	}
+
+	public void serialize(ByteWriter bw) throws IOException {
 		LinkFlags lf = header.getLinkFlags();
-		ByteWriter bw = new ByteWriter(out);
 		header.serialize(bw);
 		if (lf.hasLinkTargetIDList())
 			idlist.serialize(bw);
@@ -144,7 +155,6 @@ public class ShellLink {
 			i.serialize(bw);
 		
 		bw.write4bytes(0);
-		out.close();
 	}
 	
 	public ShellLinkHeader getHeader() { return header; }