Blob.toString() enhanced with plain data output.

Added Tests for addAttachment() / getAttachments()
Nonfunctional change, to_blob() now used in to_bloblist()

src/foundation/pEp/jniadapter/Blob.java

@@ -20,7 +20,7 @@ public class Blob {
         String ret = "";
         ret += "mime_type: \"" + mime_type + "\"\n";
         ret += "filename: \"" + filename + "\"\n";
-        ret += "data plain: \"" + data + "\"\n";
+        ret += "data plain: \"" + AbstractEngine.toUTF16(data) + "\"\n";
         ret += "data decoded: \"" + _b.dataToXER() + "\"\n";
         return ret;
     }

src/jniutils.cc

@@ -1,5 +1,4 @@
 #include "jniutils.hh"
-
 #include <stdexcept>
 #include <typeinfo>
 #include <time.h>
@@ -670,7 +669,6 @@ namespace pEp {
         }
 
 
-        // TODO: Use to_blob() inside the loop
         bloblist_t *to_bloblist(JNIEnv *env, jobject obj)
         {
             if (!obj)
@@ -680,35 +678,15 @@ namespace pEp {
             if (size == 0)
                 return NULL;
 
-            static const char *classname = "foundation/pEp/jniadapter/_Blob";
-            jclass clazz = findClass(env, classname);
-            jfieldID data_id = getFieldID(env, classname, "data", "[B");
-
             bloblist_t *bl = new_bloblist(NULL, 0, NULL, NULL);
             bloblist_t *_bl;
+            _bl = bl;
             jint i;
-            for (_bl = bl, i = 0; i < (int) size; i++) {
+            for (i = 0; i < (int) size; i++) {
                 jobject o = callObjectMethod(env, obj, "get", i);
-                char *mime_type = _getStringField(env, classname, o,
-                        "mime_type");
-                char *filename = _getStringField(env, classname, o,
-                        "filename");
-
-                jbyteArray _data =
-                    reinterpret_cast<jbyteArray>(env->GetObjectField(o,
-                                data_id));
-                
-                size_t size = (size_t) env->GetArrayLength(_data);
-                char *b = (char *) malloc(size);
-                assert(b);
-
-                env->GetByteArrayRegion(_data, 0, size, (jbyte*)b);
-
-                _bl = bloblist_add(_bl, b, size, mime_type, filename);
-
+                bloblist_t *b = to_blob(env, o);
+                _bl = bloblist_add(_bl, b->value, b->size, b->mime_type, b->filename);
                 env->DeleteLocalRef(o);
-                free(mime_type);
-                free(filename);
             }
 
             return bl;

test/Basic/Testing.java

@@ -83,6 +83,24 @@ class Testing {
         msg.setLongmsg("this is a test");
         msg.setDir(Message.Direction.Outgoing);
 
+        // Test setAttachements() with nrAttachemnts
+        int nrAttachemnts = 3;
+        {
+            System.out.print("Adding " + String.valueOf(nrAttachemnts) + " attachements [");
+            Vector<Blob> attachments = new Vector<>();
+
+            for (int i = 0; i < nrAttachemnts; i++) {
+                Blob blb = new Blob();
+                String dataString = "Attachement nr: " + String.valueOf(i) + " [TEST DATA]";
+                blb.data = dataString.getBytes();
+                blb.filename = "testfilename.txt";
+                attachments.add(blb);
+                System.out.print(".");
+            }
+            msg.setAttachments(attachments);
+            System.out.println("]");
+        }
+
         Message enc = null;
         try {
             enc = e.encrypt_message(msg, null, Message.EncFormat.PEP);
@@ -94,11 +112,7 @@ class Testing {
         }
 
         System.out.println(enc.getLongmsg());
-        Vector<Blob> attachments = enc.getAttachments();
-        // Print msg.txt (encrypted body) contents.
-        System.out.println(e.toUTF16(attachments.get(1).data));
 
-        msg.setDir(Message.Direction.Outgoing);
         try {
             System.out.println("Rating preview: " + e.outgoing_message_rating_preview(msg));
             System.out.println("Rating" + e.outgoing_message_rating(msg));
@@ -117,8 +131,24 @@ class Testing {
             ex.printStackTrace();
         }
 
+
         System.out.println(result.dst.getShortmsg());
         System.out.println(result.dst.getLongmsg());
+
+        // Test getAttachments()
+        {
+            Vector<Blob> attachments = result.dst.getAttachments();
+
+            System.out.println("get attachement data");
+            System.out.println("Attachement count: " + String.valueOf(attachments.size()));
+            for( Blob a: attachments) {
+                System.out.println("Attachement nr: " + String.valueOf(attachments.indexOf(a)));
+                System.out.println("[");
+                System.out.println(a.toString());
+                System.out.println("]");
+            }
+        }
+
         System.out.println("TEST DONE - FINISHED");
 
         try {