X-Git-Url: https://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Futils%2Fserial%2FExporter.java;h=709c5903f6b4e9e9f62515bc601432e6aad200b7;hb=ecd81c088d8df94c47c85399afdab87bbd39afaf;hp=90939880f6f29e0e2ba1488f274db1daed932f7b;hpb=f157aed840bdd5b8ef04902d2326d916f71139da;p=nikiroo-utils.git

diff --git a/src/be/nikiroo/utils/serial/Exporter.java b/src/be/nikiroo/utils/serial/Exporter.java
index 9093988..709c590 100644
--- a/src/be/nikiroo/utils/serial/Exporter.java
+++ b/src/be/nikiroo/utils/serial/Exporter.java
@@ -1,6 +1,8 @@
 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;
 
@@ -16,14 +18,19 @@ import be.nikiroo.utils.StringUtils;
  */
 public class Exporter {
 	private Map<Integer, Object> map;
-	private StringBuilder builder;
+	private OutputStream out;
 
 	/**
 	 * Create a new {@link Exporter}.
 	 */
-	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();
 	}
 
 	/**
@@ -41,48 +48,48 @@ 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();
-	}
-
-	/**
-	 * The exported items in a serialised form.
+	 * Append the exported items in a serialised form into the given
+	 * {@link OutputStream}.
 	 * 
+	 * @param out
+	 *            the {@link OutputStream}
+	 * @param b64
+	 *            TRUE to have BASE64-coded content, FALSE to have raw content,
+	 *            NULL to let the system decide
 	 * @param zip
-	 *            TRUE to have zipped content, FALSE to have raw content, NULL
-	 *            to let the system decide
-	 * 
-	 * @return the items currently in this {@link Exporter}
+	 *            TRUE to zip the BASE64 output if the output is indeed in
+	 *            BASE64 format, FALSE not to
 	 */
-	public String toString(Boolean zip) {
-		if (zip == null) {
-			zip = builder.length() > 128;
+	public void appendTo(OutputStream out, Boolean b64, boolean zip) {
+		if (b64 == null && out.length() < 128) {
+			b64 = false;
 		}
 
-		if (zip) {
-			return "ZIP:" + StringUtils.zip64(builder.toString());
+		if (b64 == null || b64) {
+			try {
+				String zipped = StringUtils.base64(out.toString(), zip);
+				if (b64 != null || zipped.length() < out.length() - 4) {
+					SerialUtils.write(out, zip ? "ZIP:" : "B64:");
+					SerialUtils.write(out, zipped);
+					return;
+				}
+			} catch (IOException e) {
+				throw new RuntimeException(
+						"Base64 conversion of data failed, maybe not enough memory?",
+						e);
+			}
 		}
 
-		return builder.toString();
-	}
-
-	/**
-	 * The exported items in a serialised form (possibly zipped).
-	 * 
-	 * @return the items currently in this {@link Exporter}
-	 */
-	@Override
-	public String toString() {
-		return toString(null);
+		out.append(out);
 	}
 }
\ No newline at end of file