Throw FluxParseException instead of RuntimeException (#421)

Author: dr0i

metafacture-flux/src/main/antlr/org/metafacture/flux/parser/Flux.g

@@ -33,6 +33,8 @@ tokens {
 
 @header {
 package org.metafacture.flux.parser;
+
+import org.metafacture.flux.FluxParseException;
 }
 
 @lexer::header {
@@ -48,7 +50,7 @@ catch [RecognitionException re] {
     recover(input,re);
     retval.tree = (CommonTree)adaptor.errorNode(input, retval.start, input.LT(-1), re);
     String msg = getErrorMessage(re, this.getTokenNames()) + " in Flux";
-    throw new RuntimeException(msg, re);
+    throw new FluxParseException(msg, re);
 }
 
 varDef

metafacture-flux/src/test/java/org/metafacture/flux/FluxGrammarTest.java

@@ -29,6 +29,7 @@
 import org.junit.Before;
 import org.junit.Test;
 import org.metafacture.flux.parser.FluxProgramm;
+import org.metafacture.framework.MetafactureException;
 
 /**
  * Tests for the Flux grammar.
@@ -89,15 +90,15 @@ public void shouldReplaceJavaEscapeSequences()
                 stdoutBuffer.toString());
     }
 
-    @Test(expected = RuntimeException.class)
+    @Test(expected = FluxParseException.class)
     public void issue421_shouldThrowRuntimeExceptionWhenSemicolonInFlowIsMissing()
         throws RecognitionException, IOException {
         final String script = "\"test\"|print";
         try {
             FluxCompiler.compile(createInputStream(script), emptyMap());
-        } catch (RuntimeException re) {
-            assertEquals("mismatched input '<EOF>' expecting ';' in Flux", re.getMessage());
-            throw re;
+        } catch (FluxParseException fpe) {
+            assertEquals("mismatched input '<EOF>' expecting ';' in Flux", fpe.getMessage());
+            throw fpe;
         }
     }