Examples of hirondelle.web4j.model.AppException

hirondelle.web4j.model.AppException
Base class for most exceptions defined by WEB4J.
Differs from most exception classes in that multiple error messages may be used, instead of just one. Used in JSPs to inform the user of error conditions, usually related to user input validations.
This class is {@link Serializable}, since all {@link Throwable}s are serializable.

   @param aRequestParser allows parsing of request parameters into higher level java objects.
  */
  protected ActionImpl(ResponsePage aNominalPage, RequestParser aRequestParser) {
    fFinalResponsePage = aNominalPage;
    fRequestParser = aRequestParser;
    fErrors = new AppException();
    fMessages = new MessageListImpl();
    fLocale = BuildImpl.forLocaleSource().get(fRequestParser.getRequest());
    fTimeZone = BuildImpl.forTimeZoneSource().get(fRequestParser.getRequest());
    fOperation = parseOperation();
    addToRequest("Operation", fOperation);

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  private static void checkSqlFilesVersusSqlIdFields() {
    Map sqlIdFields = ConfigReader.fetchPublicStaticFinalFields(SqlId.class);
    Set<String> sqlIdStrings = convertToSetOfStrings(sqlIdFields);
    fLogger.config("SqlId fields " + Util.logOnePerLine(sqlIdStrings));
    AppException mismatches = getMismatches(sqlIdStrings, fSqlProperties.keySet());
    if (mismatches.isNotEmpty()) {
      fLogger.severe("MISMATCH found between .sql files and SqlId fields. " + Util.logOnePerLine(mismatches.getMessages()));
      throw new IllegalStateException(Util.logOnePerLine(mismatches.getMessages()));
    }
    fLogger.config("No mismatches found between .sql files and SqlId fields.");
  }

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    return result;
  }


  private static AppException getMismatches(Set<String> aSqlIdStrings,
  Collection<Object> aSqlTextFileKeys) {
    AppException result = new AppException();
    for (String fieldValue : aSqlIdStrings) {
      if (!aSqlTextFileKeys.contains(fieldValue)) {
        result.add("SqlId field " + fieldValue + " is not present in any underlying .sql file.");
      }
    }
    for (Object sqlFileKey : aSqlTextFileKeys) {
      if (!aSqlIdStrings.contains(sqlFileKey)) {
        result.add("The key " + sqlFileKey  + " in a .sql file does not match any corresponding public static final SqlId field in any class.");
      }
    }
    return result;
  }

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    }
    return result;
  }


  private static void checkStoredProcedures() {
    AppException errors = new AppException();


    Enumeration allSqlIds = fSqlProperties.propertyNames();
    while (allSqlIds.hasMoreElements()) {
      String sqlId = (String)allSqlIds.nextElement();
      String sql = (String)fSqlProperties.get(sqlId);
      if (sql.startsWith(fUNSUPPORTED_STORED_PROC)) {
        errors.add(
          "The stored procedured called " + Util.quote(sqlId) + " has an explict return "
          + "value since it begins with " + fUNSUPPORTED_STORED_PROC + ". "
          + "A *.sql file can contain stored procedures, but only if they do not "
          + "have any OUT or INOUT parameters, including *explicit* return values (which "
          + "would need registration as an OUT parameter). See hirondelle.web4j.database "
          + "package overview for more information."
        );
      }
    }


    if (errors.isNotEmpty()) { throw new IllegalStateException(errors.getMessages().toString()); }
  }

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      fHandler = new FileHandler(getFileName(), MAX_BYTES, NUM_FILES, APPEND_TO_EXISTING);
      fHandler.setLevel(Level.FINEST);
      fHandler.setFormatter(new TimeSensitiveFormatter());
    }
    catch (IOException ex){
      throw new AppException("Cannot create FileHandler: " + ex.toString() , ex);
    }
  }

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    Class<?> result = null;
    try {
      result = Class.forName(aClassName);
    }
    catch (ClassNotFoundException ex){
      throw new AppException(
        "Load of configured (or default) implementation class has failed. Class.forName() failed for " + Util.quote(aClassName), ex
      );
    }
    return result;
  }

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    try {
      result = Class.forName(aStandardName);
    }
    catch (ClassNotFoundException ex){
      if( ! Util.textHasContent(aDefaultName) ){
        throw new AppException(
          "Load of configured implementation class has failed. Class.forName() failed for " + Util.quote(aStandardName), ex
        );
      }
      fLogger.config("Cannot see any class named " + Util.quote(aStandardName) + ". Will use default WEB4J implementation instead, named " + Util.quote(aDefaultName));
      try {
        result = Class.forName(aDefaultName);
      }
      catch (ClassNotFoundException exception){
        throw new AppException(
          "Load of default implementation has failed. Class.forName() failed for " + Util.quote(aDefaultName), exception
        );
      }
    }
    return result;

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