server: String -> Stream

[nikiroo-utils.git] / src / be / nikiroo / utils / serial / Exporter.java

diff --git a/src/be/nikiroo/utils/serial/Exporter.java b/src/be/nikiroo/utils/serial/Exporter.java
index dc96d973226fbcaaf09331ae8f0b6ac3d68ada98..2470bde4dace9f6dd0ca73f61373991a4cbd4283 100644 (file)
--- a/src/be/nikiroo/utils/serial/Exporter.java
+++ b/src/be/nikiroo/utils/serial/Exporter.java
@@ -2,11 +2,10 @@ package be.nikiroo.utils.serial;
 
 import java.io.IOException;
 import java.io.NotSerializableException;
+import java.io.OutputStream;
 import java.util.HashMap;
 import java.util.Map;
 
-import be.nikiroo.utils.StringUtils;
-
 /**
  * A simple class to serialise objects to {@link String}.
  * <p>
@@ -17,14 +16,22 @@ import be.nikiroo.utils.StringUtils;
  */
 public class Exporter {
        private Map<Integer, Object> map;
-       private StringBuilder builder;
+       private OutputStream out;
 
        /**
         * Create a new {@link Exporter}.
+        * 
+        * @param out
+        *            export the data to this stream
         */
-       public Exporter() {
+       public Exporter(OutputStream out) {
+               if (out == null) {
+                       throw new NullPointerException(
+                                       "Cannot create an be.nikiroo.utils.serials.Exporter that will export to NULL");
+               }
+
+               this.out = out;
                map = new HashMap<Integer, Object>();
-               builder = new StringBuilder();
        }
 
        /**
@@ -42,98 +49,12 @@ public class Exporter {
         *             if the object cannot be serialised (in this case, the
         *             {@link Exporter} can contain bad, most probably not
         *             importable data)
+        * @throws IOException
+        *             in case of I/O error
         */
-       public Exporter append(Object o) throws NotSerializableException {
-               SerialUtils.append(builder, o, map);
+       public Exporter append(Object o) throws NotSerializableException,
+                       IOException {
+               SerialUtils.append(out, o, map);
                return this;
        }
-
-       /**
-        * Clear the current content.
-        */
-       public void clear() {
-               builder.setLength(0);
-               map.clear();
-       }
-
-       /**
-        * Append the exported items in a serialised form into the given
-        * {@link StringBuilder}.
-        * 
-        * @param toBuilder
-        *            the {@link StringBuilder}
-        * @param b64
-        *            TRUE to have BASE64-coded content, FALSE to have raw content,
-        *            NULL to let the system decide
-        * @param zip
-        *            TRUE to zip the BASE64 output if the output is indeed in
-        *            BASE64 format, FALSE not to
-        */
-       public void appendTo(StringBuilder toBuilder, Boolean b64, boolean zip) {
-               if (b64 == null && builder.length() < 128) {
-                       b64 = false;
-               }
-
-               if (b64 == null || b64) {
-                       try {
-                               String zipped = StringUtils.base64(builder.toString(), zip);
-                               if (b64 != null || zipped.length() < builder.length() - 4) {
-                                       toBuilder.append(zip ? "ZIP:" : "B64:");
-                                       toBuilder.append(zipped);
-                                       return;
-                               }
-                       } catch (IOException e) {
-                               throw new RuntimeException(
-                                               "Base64 conversion of data failed, maybe not enough memory?",
-                                               e);
-                       }
-               }
-
-               toBuilder.append(builder);
-       }
-
-       /**
-        * The exported items in a serialised form.
-        * 
-        * @deprecated use {@link Exporter#toString(Boolean, boolean)} instead
-        * 
-        * @param zip
-        *            TRUE to have zipped (and BASE64-coded) content, FALSE to have
-        *            raw content, NULL to let the system decide
-        * 
-        * @return the items currently in this {@link Exporter}
-        */
-       @Deprecated
-       public String toString(Boolean zip) {
-               return toString(zip, zip == null || zip);
-       }
-
-       /**
-        * The exported items in a serialised form.
-        * 
-        * @param b64
-        *            TRUE to have BASE64-coded content, FALSE to have raw content,
-        *            NULL to let the system decide
-        * @param zip
-        *            TRUE to zip the BASE64 output if the output is indeed in
-        *            BASE64 format, FALSE not to
-        * 
-        * @return the items currently in this {@link Exporter}
-        */
-       public String toString(Boolean b64, boolean zip) {
-               StringBuilder toBuilder = new StringBuilder();
-               appendTo(toBuilder, b64, zip);
-               return toBuilder.toString();
-       }
-
-       /**
-        * The exported items in a serialised form (possibly BASE64-coded, possibly
-        * zipped).
-        * 
-        * @return the items currently in this {@link Exporter}
-        */
-       @Override
-       public String toString() {
-               return toString(null, true);
-       }
 }
\ No newline at end of file