Author: skitching
Date: Sun Feb 13 03:14:46 2005
New Revision: 153617
URL: http://svn.apache.org/viewcvs?view=rev&rev=153617
Log:
Added checkForProblems method that checks the sanity of the Context stacks
after digestion has completed.
Modified:
jakarta/commons/proper/digester/branches/digester2/src/java/org/apache/commons/digester2/Context.java
Modified:
jakarta/commons/proper/digester/branches/digester2/src/java/org/apache/commons/digester2/Context.java
URL:
http://svn.apache.org/viewcvs/jakarta/commons/proper/digester/branches/digester2/src/java/org/apache/commons/digester2/Context.java?view=diff&r1=153616&r2=153617
==============================================================================
---
jakarta/commons/proper/digester/branches/digester2/src/java/org/apache/commons/digester2/Context.java
(original)
+++
jakarta/commons/proper/digester/branches/digester2/src/java/org/apache/commons/digester2/Context.java
Sun Feb 13 03:14:46 2005
@@ -859,4 +859,32 @@
public SAXException createSAXException(String message) {
return createSAXException(message, null);
}
+
+ /**
+ * Verify that no Actions have misbehaved, leaving the stacks in a bad
+ * state or anything. This should only be called at the end of a
+ * successful parse. It's really a debug method intended particularly for
+ * use with unit tests but as it is pretty quick to check things we leave
+ * it in at runtime, to ensure that any bad custom actions also get
+ * reported.
+ */
+ public void checkForProblems() throws ParseException {
+ if (!scratchStacks.isEmpty()) {
+ StringBuffer stacklist = new StringBuffer();
+ for(Iterator i = scratchStacks.keySet().iterator(); i.hasNext(); )
{
+ // The keys should all be StackId objects which have nice
+ // descriptive toString methods. If any bad keys have been
+ // added, then toString() will still work.
+ String id = i.next().toString();
+ stacklist.append(id);
+ stacklist.append(",");
+ }
+ // remove last unused comma
+ stacklist.setLength(stacklist.length()-1);
+
+ throw new ParseException(
+ "An action has not executed correctly; an item has been"
+ + " left on stack(s) " + stacklist);
+ }
+ }
}
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