Index: topia/src/java/org/codelutin/topia/TopiaContext.java
diff -u topia/src/java/org/codelutin/topia/TopiaContext.java:1.57 topia/src/java/org/codelutin/topia/TopiaContext.java:1.58
--- topia/src/java/org/codelutin/topia/TopiaContext.java:1.57	Thu Dec  8 16:48:46 2005
+++ topia/src/java/org/codelutin/topia/TopiaContext.java	Thu Dec  8 17:44:42 2005
@@ -23,15 +23,20 @@
 *
 * @author Benjamin Poussin <poussin@codelutin.com>
 * Copyright Code Lutin
-* @version $Revision: 1.57 $
+* @version $Revision: 1.58 $
 *
-* Mise a jour: $Date: 2005/12/08 16:48:46 $
+* Mise a jour: $Date: 2005/12/08 17:44:42 $
 * par : $Author: thimel $
 */
 
 package org.codelutin.topia;
 
+import java.io.BufferedReader;
 import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
 import java.io.Reader;
 import java.io.StringReader;
 import java.io.StringWriter;
@@ -711,10 +716,24 @@
      * @param handler le gestionnaire d'erreurs associé
      */
     public void copyFromContext(TopiaContext otherContext, ErrorHandler handler) throws TopiaException {
-        StringWriter from = new StringWriter();
-        otherContext.exportToXMLAll(from);
-        StringReader incomming = new StringReader(from.getBuffer().toString());
-        importFromXML(incomming, handler);
+        File tmp = null;
+        try {
+            tmp = File.createTempFile("topiaContextCopy", null);
+            BufferedWriter from = new BufferedWriter(new FileWriter(tmp));
+            otherContext.exportToXMLAll(from);
+            from.close();
+            BufferedReader incomming = new BufferedReader(new FileReader(tmp));
+            importFromXML(incomming, handler);
+            incomming.close();
+        } catch (IOException ioe) {
+            throw new TopiaException("Creation/Ecriture d'un fichier temporaire impossible. Copie interrompue", ioe);
+        } finally {
+            if (tmp != null) {
+                if (!tmp.delete() && log.isInfoEnabled()) {
+                    log.info("Suppression du fichier \"" + tmp.getAbsolutePath() + "\" a echoue");
+                }
+            }
+        }
     }
 
 } // TopiaContext