Use RuntimeException classes rather than Error to indicate errors.

1 files changed, 4 insertions, 4 deletions

diff --git a/org/madore/damlengine/TodoDamlElement.java b/org/madore/damlengine/TodoDamlElement.java
index e7b9527..d177998 100644
--- a/org/madore/damlengine/TodoDamlElement.java
+++ b/org/madore/damlengine/TodoDamlElement.java
@@ -25,7 +25,7 @@ public class TodoDamlElement extends TodoDefaultElement {
 
     public void handleNodeOnly() {
 	if ( ! ( options instanceof DamlEngine.RootOptions ) )
-	    throw new Error("daml node can only be root node");
+	    throw new IllegalArgumentException("daml node can only be root node");
 	final String uriToTopName = "uri-to-top";
 	if ( node.hasAttributeNS(null, uriToTopName) )
 	    ctx.uriToTop = node.getAttributeNS(null, uriToTopName);
@@ -34,7 +34,7 @@ public class TodoDamlElement extends TodoDefaultElement {
 	    ctx.fileName = node.getAttributeNS(null, fileNameName);
 
 	if ( ctx.htmlNode != null )
-	    throw new Error("html node already defined at daml node");
+	    throw new IllegalStateException("html node already defined at daml node");
 	ctx.htmlNode = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "html");
 	String lang = LangHelper.getLangNorec(node);
 	if ( lang != null )
@@ -44,7 +44,7 @@ public class TodoDamlElement extends TodoDefaultElement {
 	ctx.htmlNode.appendChild(ctx.doc.createComment(" This file is automatically generated.  Do not edit! "));
 	ctx.htmlNode.appendChild(ctx.doc.createTextNode("\n"));
 	if ( ctx.headNode != null )
-	    throw new Error("head node already defined at daml node");
+	    throw new IllegalStateException("head node already defined at daml node");
 	ctx.headNode = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "head");
 	ctx.htmlNode.appendChild(ctx.headNode);
 	ctx.htmlNode.appendChild(ctx.doc.createTextNode("\n"));
@@ -92,7 +92,7 @@ public class TodoDamlElement extends TodoDefaultElement {
 	    } else if ( child.getNodeType() == Node.TEXT_NODE
 			|| child.getNodeType() == Node.CDATA_SECTION_NODE ) {
 		if ( ! Pattern.matches("^\\s*$",((CharacterData)child).getData()) )
-		    throw new Error("daml element cannot contain text");
+		    throw new IllegalArgumentException("daml element cannot contain text");
 	    }
 	}
 	this.ownerDeque.registerAtStart(toProcess);