Now can download .pack.xz file for Forge library.

HMCLAPI/src/main/java/org/tukaani/xz/UncompressedLZMA2OutputStream.java

@@ -0,0 +1,153 @@
+/*
+ * UncompressedLZMA2OutputStream
+ *
+ * Author: Lasse Collin <lasse.collin@tukaani.org>
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ */
+
+package org.tukaani.xz;
+
+import java.io.DataOutputStream;
+import java.io.IOException;
+
+class UncompressedLZMA2OutputStream extends FinishableOutputStream {
+    private FinishableOutputStream out;
+    private final DataOutputStream outData;
+
+    private final byte[] uncompBuf
+            = new byte[LZMA2OutputStream.COMPRESSED_SIZE_MAX];
+    private int uncompPos = 0;
+    private boolean dictResetNeeded = true;
+
+    private boolean finished = false;
+    private IOException exception = null;
+
+    private final byte[] tempBuf = new byte[1];
+
+    static int getMemoryUsage() {
+        // uncompBuf + a little extra
+        return 70;
+    }
+
+    UncompressedLZMA2OutputStream(FinishableOutputStream out) {
+        if (out == null)
+            throw new NullPointerException();
+
+        this.out = out;
+        outData = new DataOutputStream(out);
+    }
+
+    public void write(int b) throws IOException {
+        tempBuf[0] = (byte)b;
+        write(tempBuf, 0, 1);
+    }
+
+    public void write(byte[] buf, int off, int len) throws IOException {
+        if (off < 0 || len < 0 || off + len < 0 || off + len > buf.length)
+            throw new IndexOutOfBoundsException();
+
+        if (exception != null)
+            throw exception;
+
+        if (finished)
+            throw new XZIOException("Stream finished or closed");
+
+        try {
+            while (len > 0) {
+                int copySize = Math.min(uncompBuf.length - uncompPos, len);
+                System.arraycopy(buf, off, uncompBuf, uncompPos, copySize);
+                len -= copySize;
+                uncompPos += copySize;
+
+                if (uncompPos == uncompBuf.length)
+                    writeChunk();
+            }
+        } catch (IOException e) {
+            exception = e;
+            throw e;
+        }
+    }
+
+    private void writeChunk() throws IOException {
+        outData.writeByte(dictResetNeeded ? 0x01 : 0x02);
+        outData.writeShort(uncompPos - 1);
+        outData.write(uncompBuf, 0, uncompPos);
+        uncompPos = 0;
+        dictResetNeeded = false;
+    }
+
+    private void writeEndMarker() throws IOException {
+        if (exception != null)
+            throw exception;
+
+        if (finished)
+            throw new XZIOException("Stream finished or closed");
+
+        try {
+            if (uncompPos > 0)
+                writeChunk();
+
+            out.write(0x00);
+        } catch (IOException e) {
+            exception = e;
+            throw e;
+        }
+    }
+
+    public void flush() throws IOException {
+        if (exception != null)
+            throw exception;
+
+        if (finished)
+            throw new XZIOException("Stream finished or closed");
+
+        try {
+            if (uncompPos > 0)
+                writeChunk();
+
+            out.flush();
+        } catch (IOException e) {
+            exception = e;
+            throw e;
+        }
+    }
+
+    public void finish() throws IOException {
+        if (!finished) {
+            writeEndMarker();
+
+            try {
+                out.finish();
+            } catch (IOException e) {
+                exception = e;
+                throw e;
+            }
+
+            finished = true;
+        }
+    }
+
+    public void close() throws IOException {
+        if (out != null) {
+            if (!finished) {
+                try {
+                    writeEndMarker();
+                } catch (IOException e) {}
+            }
+
+            try {
+                out.close();
+            } catch (IOException e) {
+                if (exception == null)
+                    exception = e;
+            }
+
+            out = null;
+        }
+
+        if (exception != null)
+            throw exception;
+    }
+}