--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/src/luan/modules/url/MultipartClient.java	Wed Jun 08 23:13:10 2016 -0600
@@ -0,0 +1,76 @@
+package luan.modules.url;
+
+import java.io.OutputStream;
+import java.io.IOException;
+import java.net.HttpURLConnection;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.HashMap;
+import luan.LuanTable;
+import luan.LuanException;
+
+
+public final class MultipartClient {
+	private static final byte[] __CRLF = {'\r','\n'};
+	private static final byte[] __DASHDASH = {'-','-'};
+	private static final String __ISO_8859_1 = "ISO-8859-1";
+
+	private final Map params = new HashMap();
+
+	MultipartClient(Map params) throws LuanException {
+		for( Object hack : params.entrySet() ) {
+			Map.Entry entry = (Map.Entry)hack;
+			String key = (String)entry.getKey();
+			Object val = entry.getValue();
+			List list = new ArrayList();
+			if( val instanceof String ) {
+				list.add(val);
+			} else {
+				if( !(val instanceof LuanTable) )
+					throw new LuanException( "parameter '"+key+"' must be string or table" );
+				LuanTable t = (LuanTable)val;
+				if( !t.isList() )
+					throw new LuanException( "parameter '"+key+"' table must be list" );
+				for( Object obj : t.asList() ) {
+					if( !(obj instanceof String) )
+						throw new LuanException( "parameter '"+key+"' values must be strings" );
+					list.add(obj);
+				}
+			}
+			this.params.put(key,list);
+		}
+	}
+
+	public OutputStream write(HttpURLConnection httpCon) throws IOException {
+		String boundary = "luan" + System.identityHashCode(this) + Long.toString(System.currentTimeMillis(),36);
+		byte[] boundaryBytes = boundary.getBytes(__ISO_8859_1);
+
+		httpCon.setRequestProperty("Content-Type","multipart/form-data; boundary="+boundary);
+		OutputStream out = httpCon.getOutputStream();
+		for( Object hack : params.entrySet() ) {
+			Map.Entry entry = (Map.Entry)hack;
+			String name = (String)entry.getKey();
+			List list = (List)entry.getValue();
+			for( Object obj : list ) {
+				String val = (String)obj;
+		        out.write(__DASHDASH);
+		        out.write(boundaryBytes);
+		        out.write(__CRLF);
+//		        if (contentType != null)
+//		            out.write(("Content-Type: "+contentType).getBytes(__ISO_8859_1));
+//		        out.write(__CRLF);
+	            out.write(("Content-Disposition: form-data; name=\""+name+"\"").getBytes(__ISO_8859_1));
+	            out.write(__CRLF);
+		        out.write(__CRLF);
+				out.write(val.getBytes());
+		        out.write(__CRLF);
+			}
+		}
+		out.write(__DASHDASH);
+		out.write(boundaryBytes);
+		out.write(__DASHDASH);
+		out.write(__CRLF);
+		return out;
+	}
+}