...
[nikiroo-utils.git] / src / be / nikiroo / utils / serial / Importer.java
index ad2d284904790214b2360fbee0bb35cbae66f29e..810d694db5a316a4aca1290b5b31650312005f0d 100644 (file)
@@ -7,9 +7,9 @@ import java.util.HashMap;
 import java.util.Map;
 
 import be.nikiroo.utils.IOUtils;
+import be.nikiroo.utils.StringUtils;
 import be.nikiroo.utils.streams.NextableInputStream;
 import be.nikiroo.utils.streams.NextableInputStreamStep;
-import be.nikiroo.utils.StringUtils;
 
 /**
  * A simple class that can accept the output of {@link Exporter} to recreate
@@ -46,7 +46,7 @@ public class Importer {
         * content, or a number of lines of it (any given line <b>MUST</b> be
         * complete though) and accumulate it with the already present data.
         * 
-        * @param data
+        * @param in
         *            the data to parse
         * 
         * @return itself so it can be chained
@@ -75,11 +75,18 @@ public class Importer {
                        if (in == null) {
                                throw new NullPointerException("InputStream is null");
                        }
-                       if (stream.eof()) {
-                               throw new NullPointerException("InputStream is empty");
-                       }
 
+                       boolean first = true;
                        while (stream.next()) {
+                               if (stream.eof()) {
+                                       if (first) {
+                                               throw new NullPointerException(
+                                                               "InputStream empty, normal termination");
+                                       }
+                                       return this;
+                               }
+                               first = false;
+
                                boolean zip = stream.startsWiths("ZIP:");
                                boolean b64 = stream.startsWiths("B64:");
 
@@ -107,7 +114,7 @@ public class Importer {
         * Read a single (whole) line of serialised data into this {@link Importer}
         * and accumulate it with the already present data.
         * 
-        * @param line
+        * @param in
         *            the line to parse
         * 
         * @return TRUE if we are just done with one object or sub-object
@@ -142,6 +149,10 @@ public class Importer {
                // TODO use the stream, Luke
                String line = IOUtils.readSmallStream(in);
 
+               if (line.isEmpty()) {
+                       return false;
+               }
+
                if (line.equals("{")) { // START: new child if needed
                        if (link != null) {
                                child = new Importer(map);
@@ -160,7 +171,12 @@ public class Importer {
                        } else {
                                if (line.endsWith(":")) {
                                        // construct
-                                       me = SerialUtils.createObject(type);
+                                       try {
+                                               me = SerialUtils.createObject(type);
+                                       } catch (NoSuchMethodException e) {
+                                               System.out.println("LINE: <" + line + ">");
+                                               throw e;
+                                       }
                                } else {
                                        // direct value
                                        int pos = line.indexOf(":");