Program: 128176
Project: 128176
Buggy source:
public static String getTableName(IElement node,IMetadataTable repositoryMetadata,String schema,String dbType,String realTableName){
  String currentTableName=null;
  boolean flag=false;
  String dbTableName=getDbTableName(node);
  if (dbTableName != null) {
switch (LanguageManager.getCurrentLanguage()) {
case JAVA:
      if (dbTableName.contains(TalendTextUtils.QUOTATION_MARK)) {
        if (dbTableName.startsWith(TalendTextUtils.QUOTATION_MARK) && dbTableName.endsWith(TalendTextUtils.QUOTATION_MARK) && dbTableName.length() > 2) {
          currentTableName=dbTableName.substring(1,dbTableName.length() - 1);
          flag=true;
        }
 else {
          currentTableName=null;
        }
      }
 else {
        currentTableName=dbTableName;
        if (null != currentTableName && !("String_Node_Str".equals(currentTableName))) {
          flag=true;
        }
      }
    break;
default :
  if (dbTableName.contains(TalendTextUtils.SINGLE_QUOTE)) {
    if (dbTableName.startsWith(TalendTextUtils.SINGLE_QUOTE) && dbTableName.endsWith(TalendTextUtils.SINGLE_QUOTE) && dbTableName.length() > 2) {
      currentTableName=dbTableName.substring(1,dbTableName.length() - 1);
      flag=true;
    }
 else {
      currentTableName=null;
    }
  }
 else {
    currentTableName=dbTableName;
    if (null != currentTableName && !("String_Node_Str".equals(currentTableName))) {
      flag=true;
    }
  }
}
}
if (!flag) {
currentTableName=realTableName;
}
if (currentTableName == null) {
currentTableName=DEFAULT_TABLE_NAME;
}
if (schema != null && schema.length() > 0) {
currentTableName=getSchemaName(schema,dbType,currentTableName);
}
 else {
if (isContext(currentTableName)) {
currentTableName=quoteVariableRefrence(currentTableName,dbType);
}
 else {
currentTableName=quoteStringValue(currentTableName,dbType);
}
}
return currentTableName;
}

Fixed version (ground truth):
public static String getTableName(IElement node,IMetadataTable repositoryMetadata,String schema,String dbType,String realTableName){
  String currentTableName=null;
  boolean flag=false;
  String dbTableName=getDbTableName(node);
  if (dbTableName != null) {
switch (LanguageManager.getCurrentLanguage()) {
case JAVA:
      if (dbTableName.contains(TalendTextUtils.QUOTATION_MARK)) {
        if (dbTableName.startsWith(TalendTextUtils.QUOTATION_MARK) && dbTableName.endsWith(TalendTextUtils.QUOTATION_MARK) && dbTableName.length() > 2) {
          currentTableName=dbTableName.substring(1,dbTableName.length() - 1);
          flag=true;
        }
 else {
          currentTableName=null;
        }
      }
 else {
        currentTableName=dbTableName;
        if (null != currentTableName && !("String_Node_Str".equals(currentTableName))) {
          flag=true;
        }
      }
    break;
default :
  if (dbTableName.contains(TalendTextUtils.SINGLE_QUOTE)) {
    if (dbTableName.startsWith(TalendTextUtils.SINGLE_QUOTE) && dbTableName.endsWith(TalendTextUtils.SINGLE_QUOTE) && dbTableName.length() > 2) {
      currentTableName=dbTableName.substring(1,dbTableName.length() - 1);
      flag=true;
    }
 else {
      currentTableName=null;
    }
  }
 else {
    currentTableName=dbTableName;
    if (null != currentTableName && !("String_Node_Str".equals(currentTableName))) {
      flag=true;
    }
  }
}
}
if (!flag) {
currentTableName=realTableName;
}
if (currentTableName == null) {
currentTableName=DEFAULT_TABLE_NAME;
}
if (schema != null && schema.length() > 0) {
currentTableName=getSchemaName(schema,dbType,currentTableName);
if (dbType.equals(EDatabaseTypeName.JAVADB_EMBEDED.getDisplayName())) {
currentTableName=quoteStringValue(currentTableName,dbType);
}
}
 else {
if (isContext(currentTableName)) {
currentTableName=quoteVariableRefrence(currentTableName,dbType);
}
 else {
currentTableName=quoteStringValue(currentTableName,dbType);
}
}
return currentTableName;
}