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1 package org.hibernate.hql.ast;
3
4 import antlr.RecognitionException;
5 import org.apache.commons.logging.Log;
6 import org.apache.commons.logging.LogFactory;
7 import org.hibernate.QueryException;
8
9 import java.util.ArrayList  ;
10 import java.util.Iterator ;
11 import java.util.List ;
12
13
16 public class ErrorCounter implements ParseErrorHandler {
17 private Log log = LogFactory.getLog( ErrorCounter.class );
18 private Log hqlLog = LogFactory.getLog( "org.hibernate.hql.PARSER" );
19
20 private List errorList = new ArrayList ();
21 private List warningList = new ArrayList ();
22 private List recognitionExceptions = new ArrayList ();
23
24 public void reportError(RecognitionException e) {
25 reportError( e.toString() );
26 recognitionExceptions.add( e );
27 if ( log.isDebugEnabled() ) {
28 log.debug( e, e );
29 }
30 }
31
32 public void reportError(String message) {
33 hqlLog.error( message );
34 errorList.add( message );
35 }
36
37 public int getErrorCount() {
38 return errorList.size();
39 }
40
41 public void reportWarning(String message) {
42 hqlLog.debug( message );
43 warningList.add( message );
44 }
45
46 private String getErrorString() {
47 StringBuffer buf = new StringBuffer ();
48 for ( Iterator iterator = errorList.iterator(); iterator.hasNext(); ) {
49 buf.append( ( String ) iterator.next() );
50 if ( iterator.hasNext() ) buf.append( "\n" );
51
52 }
53 return buf.toString();
54 }
55
56 public void throwQueryException() throws QueryException {
57 if ( getErrorCount() > 0 ) {
58 if ( recognitionExceptions.size() > 0 ) {
59 throw new QuerySyntaxException( ( RecognitionException ) recognitionExceptions.get( 0 ) );
60 }
61 else {
62 throw new QueryException( getErrorString() );
63 }
64 }
65 else {
66 if ( log.isDebugEnabled() ) {
68 log.debug( "throwQueryException() : no errors" );
69 }
70 }
71 }
72 }
73 |
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