--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/com/trilead/ssh2/compression/CompressionFactory.java	Thu May 22 10:41:19 2014 -0700
@@ -0,0 +1,88 @@
+/*
+ * ConnectBot: simple, powerful, open-source SSH client for Android
+ * Copyright 2007 Kenny Root, Jeffrey Sharkey
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.trilead.ssh2.compression;
+
+import java.util.Vector;
+
+/**
+ * @author Kenny Root
+ *
+ */
+public class CompressionFactory {
+    static class CompressorEntry {
+        String type;
+        String compressorClass;
+
+        public CompressorEntry(String type, String compressorClass) {
+            this.type = type;
+            this.compressorClass = compressorClass;
+        }
+    }
+
+    static Vector<CompressorEntry> compressors = new Vector<CompressorEntry>();
+
+    static {
+        /* Higher Priority First */
+        compressors.addElement(new CompressorEntry("zlib", "com.trilead.ssh2.compression.Zlib"));
+        compressors.addElement(new CompressorEntry("zlib@openssh.com", "com.trilead.ssh2.compression.ZlibOpenSSH"));
+        compressors.addElement(new CompressorEntry("none", ""));
+    }
+
+    public static String[] getDefaultCompressorList() {
+        String list[] = new String[compressors.size()];
+
+        for (int i = 0; i < compressors.size(); i++) {
+            CompressorEntry ce = compressors.elementAt(i);
+            list[i] = new String(ce.type);
+        }
+
+        return list;
+    }
+
+    public static void checkCompressorList(String[] compressorCandidates) {
+        for (int i = 0; i < compressorCandidates.length; i++)
+            getEntry(compressorCandidates[i]);
+    }
+
+    public static ICompressor createCompressor(String type) {
+        try {
+            CompressorEntry ce = getEntry(type);
+
+            if ("".equals(ce.compressorClass))
+                return null;
+
+            Class<?> cc = Class.forName(ce.compressorClass);
+            ICompressor cmp = (ICompressor) cc.newInstance();
+            return cmp;
+        }
+        catch (Exception e) {
+            throw new IllegalArgumentException("Cannot instantiate " + type);
+        }
+    }
+
+    private static CompressorEntry getEntry(String type) {
+        for (int i = 0; i < compressors.size(); i++) {
+            CompressorEntry ce = compressors.elementAt(i);
+
+            if (ce.type.equals(type))
+                return ce;
+        }
+
+        throw new IllegalArgumentException("Unkown algorithm " + type);
+    }
+}