java writer works. reader needs a fix still

kvjava/KVJava.java

@@ -0,0 +1,31 @@
+
+/* the KVJava object has methods implemented as JNI. This file is the Java
+ * part of the class, which is compiled as usual with javac, then a
+ * C header is generated from it (using javah -jni) for the JNI functions.
+ * The implementation of the JNI functions in C is in KVJava.c. This gets
+ * built into a shared library (which must be installed to a place the
+ * dynamic linker can find it at runtime).
+ */ 
+
+import java.util.HashMap;
+import java.lang.String;
+
+public class KVJava {
+  static {
+    System.loadLibrary("KVJava"); // dynamically load native libKVJava.so
+  }
+
+  public boolean blocking;
+
+  private String dir;       /* the spool directory */
+  private long kvsp_handle; /* a C structure address, opaque to Java */
+
+  public KVJava(String _dir) {
+    dir = _dir;
+    blocking = true;
+  }
+
+  public native HashMap<String,String> read();
+  public native void write(HashMap<String,String> map);
+  public native void close();
+}