Improve error handling by backups

[lgpl/argeo-commons.git] / base / runtime / org.argeo.util / src / main / java / org / argeo / ArgeoException.java

diff --git a/base/runtime/org.argeo.util/src/main/java/org/argeo/ArgeoException.java b/base/runtime/org.argeo.util/src/main/java/org/argeo/ArgeoException.java
index 343b6c947fad8d05d42410650ca75af0dea67587..03ac4958e125598e17e1f023b522963e2c4c9abb 100644 (file)
--- a/base/runtime/org.argeo.util/src/main/java/org/argeo/ArgeoException.java
+++ b/base/runtime/org.argeo.util/src/main/java/org/argeo/ArgeoException.java
@@ -29,10 +29,21 @@ public class ArgeoException extends RuntimeException {
                super(message, e);
        }
 
-       /** @deprecated use {@link #ArgeoException(String, Throwable)} instead. */
-       @Deprecated
-       public ArgeoException(Throwable cause) {
-               super(cause);
+       /**
+        * Chain the messages of all causes (one per line, <b>starts with a line
+        * return</b>) without all the stack
+        */
+       public static String chainCausesMessages(Throwable t) {
+               StringBuffer buf = new StringBuffer();
+               chainCauseMessage(buf, t);
+               return buf.toString();
        }
 
+       /** Recursive chaining of messages */
+       private static void chainCauseMessage(StringBuffer buf, Throwable t) {
+               buf.append('\n').append(' ').append(t.getClass().getCanonicalName())
+                               .append(": ").append(t.getMessage());
+               if (t.getCause() != null)
+                       chainCauseMessage(buf, t.getCause());
+       }
 }