X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.util%2Fsrc%2Forg%2Fargeo%2Futil%2FLangUtils.java;fp=org.argeo.util%2Fsrc%2Forg%2Fargeo%2Futil%2FLangUtils.java;h=8810d646335056a604791cec8a545b27931be1b9;hb=3a0d866fbeea3f78c293212f4b4fbaeba7dfe2bd;hp=3c0baed1c8047ad0c9cccb10a77c12a84def8912;hpb=b1dbb754c88b8609246b865a25bc946213370662;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.util/src/org/argeo/util/LangUtils.java b/org.argeo.util/src/org/argeo/util/LangUtils.java
index 3c0baed1c..8810d6463 100644
--- a/org.argeo.util/src/org/argeo/util/LangUtils.java
+++ b/org.argeo.util/src/org/argeo/util/LangUtils.java
@@ -136,6 +136,27 @@ public class LangUtils {
 			res.put(key.toString(), toLoad.get(key));
 		return res;
 	}
+	
+	/*
+	 * EXCEPTIONS
+	 */
+	/**
+	 * 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());
+	}
 
 	/** Singleton constructor. */
 	private LangUtils() {