Add try catch in TagToRDF for returning line no. error by throwing ex…

…ceptions.

	* It still shows 2 exceptions when it is an invalid file. One for Tag Value Exception and one for RDF.

Signed-off-by: rtgdk <[email protected]>

src/org/spdx/tag/HandBuiltParser.java

@@ -111,7 +111,7 @@ public void data() throws Exception {
 				nextLine = textInput.readLine();
 			}
 			if (inTextBlock) {
-				throw(new RecognitionException("Unterminated text block.  Expecting "+END_TEXT));
+				throw(new RecognitionException("Unterminated text block at line " + (textInput.getCurrentLineNo()) + " Expecting "+END_TEXT ));
 			}
 			this.buildDocument.exit();
 		} finally {

src/org/spdx/tools/CompareSpdxDocs.java

@@ -55,6 +55,8 @@
 
 import com.google.common.base.Joiner;
 
+import antlr.RecognitionException;
+
 /**
  * Command line application to compare two SPDX documents
  * Usage: CompareSpdxDoc doc1 doc2 [output]
@@ -1145,20 +1147,21 @@ protected static SpdxDocument openRdfOrTagDoc(String spdxDocFileName, List<Strin
 			logger.info("Document identified as SPDX tag/value.");
 		} catch (SpdxCompareException e) {
 			// Ignore - assume this is an RDF/XML file.
+			errorDetails = e.getMessage();
 		}
 		if (retval == null) {
 			try {
 				// Now try to open the file as an RDF/XML file.
 				retval = SPDXDocumentFactory.createSpdxDocument(spdxDocFileName);
 				logger.info("Document identified as SPDX RDF/XML.");
 			} catch (IOException e) {
-				errorDetails = e.getMessage();
+				errorDetails += e.getMessage();
 				// Ignore - unrecognized files are handled below.
 			} catch (InvalidSPDXAnalysisException e) {
-				errorDetails = e.getMessage();
+				errorDetails += e.getMessage();
 				// Ignore - unrecognized files are handled below.
 			} catch (Exception e) {
-				errorDetails = e.getMessage();
+				errorDetails += e.getMessage();
 				// Ignore - unrecognized files are handled below.
 			}
 		}
@@ -1177,8 +1180,13 @@ private static SpdxDocument convertTagValueToRdf(File tagValueFile, List<String>
 		FileInputStream in = null;
 		try {
 			in = new FileInputStream(tagValueFile);
-			return TagToRDF.convertTagFileToRdf(in, TagToRDF.DEFAULT_OUTPUT_FORMAT, warnings).getSpdxDocument();
-		} catch (Exception e) {
+			SpdxDocument result = TagToRDF.convertTagFileToRdf(in, TagToRDF.DEFAULT_OUTPUT_FORMAT, warnings).getSpdxDocument();
+			return result;
+		} 
+		catch (RecognitionException e){
+			throw(new SpdxCompareException(e.getMessage(),e));
+		}
+		catch (Exception e) {
 			throw(new SpdxCompareException("Error converting tag/value to RDF/XML format: "+e.getMessage(),e));
 		} finally {
 			if (in != null) {

src/org/spdx/tools/TagToRDF.java

@@ -206,14 +206,19 @@ public static SpdxDocumentContainer convertTagFileToRdf(
 		NoCommentInputStream nci = new NoCommentInputStream(spdxTagFile);
 //		TagValueLexer lexer = new TagValueLexer(new DataInputStream(nci));
 //		TagValueParser parser = new TagValueParser(lexer);
-		HandBuiltParser parser = new HandBuiltParser(nci);
-		SpdxDocumentContainer[] result = new SpdxDocumentContainer[1];
-		parser.setBehavior(new BuildDocument(result, constants, warnings));
-		parser.data();
-		if (result[0] == null) {
-			throw(new RuntimeException("Unexpected error parsing SPDX tag document - the result is null."));
+		try{
+			HandBuiltParser parser = new HandBuiltParser(nci);
+			SpdxDocumentContainer[] result = new SpdxDocumentContainer[1];
+			parser.setBehavior(new BuildDocument(result, constants, warnings));
+			parser.data();
+			if (result[0] == null) {
+				throw(new RuntimeException("Unexpected error parsing SPDX tag document - the result is null."));
+			}
+			return result[0];
+		}
+		catch (RecognitionException e) {
+			throw(new RecognitionException(e.getMessage()));
 		}
-		return result[0];
 	}