Java Field类代码示例

import org.apache.commons.validator.Field; //导入依赖的package包/类
/**
 * Gets the <code>ActionMessage</code> based on the 
 * <code>ValidatorAction</code> message and the <code>Field</code>'s 
 * arg objects.
 * @param request the servlet request
 * @param va Validator action
 * @param field the validator Field
 */
public static ActionMessage getActionMessage(
    HttpServletRequest request,
    ValidatorAction va,
    Field field) {

    String args[] =
        getArgs(
            va.getName(),
            getMessageResources(request),
            RequestUtils.getUserLocale(request, null),
            field);

    String msg =
        field.getMsg(va.getName()) != null
            ? field.getMsg(va.getName())
            : va.getMsg();

    return new ActionMessage(msg, args);
}
 

import org.apache.commons.validator.Field; //导入依赖的package包/类
/**
 *  Validates that the field value is an existing directory on the server that the application is running on.
 *
 * @param  bean            The Struts bean
 * @param  va              the ValidatorAction
 * @param  field           The Field
 * @param  messages        The ActionMessages
 * @param  validator       The Validator
 * @param  request         The HttpServletRequest
 * @param  servletContext  The ServletContext
 * @return                 True if the directory exists
 */
public static boolean validateIsDirectory(
                                          Object bean,
                                          ValidatorAction va,
                                          Field field,
                                          ActionMessages messages,
                                          Validator validator,
                                          HttpServletRequest request,
                                          ServletContext servletContext) {		
	// Get the value the user entered:
	String value = ValidatorUtils.getValueAsString(bean, field.getProperty());

	File dir = new File(value.trim());
	// Validate that this is a directory on the server that already exists:
	if (!dir.isDirectory()) {
		ActionMessage message = Resources.getActionMessage(validator, request, va, field);
		messages.add(field.getKey(), message);
		return false;
	}
	else
		return true;
}
 

import org.apache.commons.validator.Field; //导入依赖的package包/类
/**
 *  Validates that the String is a valid namespace identifier for OAI.
 *
 * @param  bean            The Struts bean
 * @param  va              the ValidatorAction
 * @param  field           The Field
 * @param  messages        The ActionMessages
 * @param  validator       The Validator
 * @param  request         The HttpServletRequest
 * @param  servletContext  The ServletContext
 * @return                 True if valid
 */
public static boolean validateNamespaceIdentifier(
                                          Object bean,
                                          ValidatorAction va,
                                          Field field,
                                          ActionMessages messages,
                                          Validator validator,
                                          HttpServletRequest request,
                                          ServletContext servletContext) {		
	// Get the value the user entered:
	String repositoryIdentifier = ValidatorUtils.getValueAsString(bean, field.getProperty());
	boolean isValid = (
			repositoryIdentifier == null || 
			repositoryIdentifier.length() == 0 ||
			repositoryIdentifier.matches("[a-zA-Z][a-zA-Z0-9\\-]*(\\.[a-zA-Z][a-zA-Z0-9\\-]+)+"));
	if(!isValid) {
		ActionMessage message = Resources.getActionMessage(validator, request, va, field);
		messages.add(field.getKey(), message);			
	}
	return isValid;
}
 

import org.apache.commons.validator.Field; //导入依赖的package包/类
/**
 * Gets the <code>ActionError</code> based on the 
 * <code>ValidatorAction</code> message and the <code>Field</code>'s 
 * arg objects.
 * @param request the servlet request
 * @param va Validator action
 * @param field the validator Field
 * @deprecated Use getActionMessage() instead.  This will be removed after
 * Struts 1.2.
 */
public static ActionError getActionError(
    HttpServletRequest request,
    ValidatorAction va,
    Field field) {

    String args[] =
        getArgs(
            va.getName(),
            getMessageResources(request),
            RequestUtils.getUserLocale(request, null),
            field);

    String msg =
        field.getMsg(va.getName()) != null
            ? field.getMsg(va.getName())
            : va.getMsg();

    return new ActionError(msg, args);
}
 

import org.apache.commons.validator.Field; //导入依赖的package包/类
/**
 * Checks if the field isn't null and length of the field is greater than zero not
 * including whitespace.
 *
 * @param bean The bean validation is being performed on.
 * @param va The <code>ValidatorAction</code> that is currently being performed.
 * @param field The <code>Field</code> object associated with the current
 * field being validated.
 * @param errors The <code>ActionMessages</code> object to add errors to if
 * any validation errors occur.
 * @param validator The <code>Validator</code> instance, used to access
 *                  other field values.
 * @param request Current request object.
 * @return true if meets stated requirements, false otherwise.
 */
public static boolean validateRequired(Object bean,
                                       ValidatorAction va, Field field,
                                       ActionMessages errors,
                                       Validator validator,
                                       HttpServletRequest request) {

    String value = null;
    if (isString(bean)) {
        value = (String) bean;
    } else {
        value = ValidatorUtils.getValueAsString(bean, field.getProperty());
    }

    if (GenericValidator.isBlankOrNull(value)) {
        errors.add(field.getKey(), Resources.getActionMessage(validator, request, va, field));
        return false;
    } else {
        return true;
    }

}
 

import org.apache.commons.validator.Field; //导入依赖的package包/类
/**
 * Checks if the field can safely be converted to a short primitive.
 *
 * @param bean The bean validation is being performed on.
 * @param va The <code>ValidatorAction</code> that is currently being performed.
 * @param field The <code>Field</code> object associated with the current
 * field being validated.
 * @param errors The <code>ActionMessages</code> object to add errors to if
 * any validation errors occur.
 * @param validator The <code>Validator</code> instance, used to access
 * other field values.
 * @param request Current request object.
 * @return true if valid, false otherwise.
 */
public static Object validateShort(Object bean,
                                  ValidatorAction va, Field field,
                                  ActionMessages errors,
                                  Validator validator,
                                  HttpServletRequest request) {
    Object result = null;
    String value = null;
    if (isString(bean)) {
        value = (String) bean;
    } else {
        value = ValidatorUtils.getValueAsString(bean, field.getProperty());
    }

    if (GenericValidator.isBlankOrNull(value)) {
        return Boolean.TRUE;
    }

    result = GenericTypeValidator.formatShort(value);

    if (result == null) {
        errors.add(field.getKey(), Resources.getActionMessage(validator, request, va, field));
    }

    return result == null ? Boolean.FALSE : result;
}
 

import org.apache.commons.validator.Field; //导入依赖的package包/类
/**
 * Checks if the field can safely be converted to an int primitive.
 *
 * @param  bean     The bean validation is being performed on.
 * @param  va       The <code>ValidatorAction</code> that is currently being performed.
 * @param  field    The <code>Field</code> object associated with the current
 *      field being validated.
 * @param  errors   The <code>ActionMessages</code> object to add errors to if any
 *      validation errors occur.
 * @param validator The <code>Validator</code> instance, used to access
 * other field values.
 * @param  request  Current request object.
 * @return true if valid, false otherwise.
 */
public static Object validateInteger(Object bean,
                                      ValidatorAction va, Field field,
                                      ActionMessages errors,
                                      Validator validator,
                                      HttpServletRequest request) {
    Object result = null;
    String value = null;
    if (isString(bean)) {
        value = (String) bean;
    } else {
        value = ValidatorUtils.getValueAsString(bean, field.getProperty());
    }

    if (GenericValidator.isBlankOrNull(value)) {
        return Boolean.TRUE;
    }

    result = GenericTypeValidator.formatInt(value);

    if (result == null) {
        errors.add(field.getKey(), Resources.getActionMessage(validator, request, va, field));
    }

    return result == null ? Boolean.FALSE : result;
}
 

import org.apache.commons.validator.Field; //导入依赖的package包/类
/**
 * Checks if the field can safely be converted to a long primitive.
 *
 * @param  bean     The bean validation is being performed on.
 * @param  va       The <code>ValidatorAction</code> that is currently being performed.
 * @param  field    The <code>Field</code> object associated with the current
 *      field being validated.
 * @param  errors   The <code>ActionMessages</code> object to add errors to if any
 *      validation errors occur.
 * @param validator The <code>Validator</code> instance, used to access
 * other field values.
 * @param  request  Current request object.
 * @return true if valid, false otherwise.
 */
public static Object validateLong(Object bean,
                                ValidatorAction va, Field field,
                                ActionMessages errors,
                                Validator validator,
                                HttpServletRequest request) {
    Object result = null;
    String value = null;
    if (isString(bean)) {
        value = (String) bean;
    } else {
        value = ValidatorUtils.getValueAsString(bean, field.getProperty());
    }

    if (GenericValidator.isBlankOrNull(value)) {
        return Boolean.TRUE;
    }

    result = GenericTypeValidator.formatLong(value);

    if (result == null) {
        errors.add(field.getKey(), Resources.getActionMessage(validator, request, va, field));
    }

    return result == null ? Boolean.FALSE : result;
}
 

import org.apache.commons.validator.Field; //导入依赖的package包/类
/**
 * Checks if the field can safely be converted to a float primitive.
 *
 * @param  bean     The bean validation is being performed on.
 * @param  va       The <code>ValidatorAction</code> that is currently being performed.
 * @param  field    The <code>Field</code> object associated with the current
 *      field being validated.
 * @param  errors   The <code>ActionMessages</code> object to add errors to if any
 *      validation errors occur.
 * @param validator The <code>Validator</code> instance, used to access
 * other field values.
 * @param  request  Current request object.
 * @return true if valid, false otherwise.
 */
public static Object validateFloat(Object bean,
                                  ValidatorAction va, Field field,
                                  ActionMessages errors,
                                  Validator validator,
                                  HttpServletRequest request) {
    Object result = null;
    String value = null;
    if (isString(bean)) {
        value = (String) bean;
    } else {
        value = ValidatorUtils.getValueAsString(bean, field.getProperty());
    }

    if (GenericValidator.isBlankOrNull(value)) {
        return Boolean.TRUE;
    }

    result = GenericTypeValidator.formatFloat(value);

    if (result == null) {
        errors.add(field.getKey(), Resources.getActionMessage(validator, request, va, field));
    }

    return result == null ? Boolean.FALSE : result;
}
 

import org.apache.commons.validator.Field; //导入依赖的package包/类
/**
 *  Checks if the field can safely be converted to a double primitive.
 *
 * @param  bean     The bean validation is being performed on.
 * @param  va       The <code>ValidatorAction</code> that is currently being performed.
 * @param  field    The <code>Field</code> object associated with the current
 *      field being validated.
 * @param  errors   The <code>ActionMessages</code> object to add errors to if any
 *      validation errors occur.
 * @param validator The <code>Validator</code> instance, used to access
 * other field values.
 * @param  request  Current request object.
 * @return true if valid, false otherwise.
 */
public static Object validateDouble(Object bean,
                                    ValidatorAction va, Field field,
                                    ActionMessages errors,
                                    Validator validator,
                                    HttpServletRequest request) {
    Object result = null;
    String value = null;
    if (isString(bean)) {
        value = (String) bean;
    } else {
        value = ValidatorUtils.getValueAsString(bean, field.getProperty());
    }

    if (GenericValidator.isBlankOrNull(value)) {
        return Boolean.TRUE;
    }

    result = GenericTypeValidator.formatDouble(value);

    if (result == null) {
        errors.add(field.getKey(), Resources.getActionMessage(validator, request, va, field));
    }

    return result == null ? Boolean.FALSE : result;
}
 

import org.apache.commons.validator.Field; //导入依赖的package包/类
/**
 *  Checks if a field has a valid e-mail address.
 *
 * @param  bean     The bean validation is being performed on.
 * @param  va       The <code>ValidatorAction</code> that is currently being performed.
 * @param  field    The <code>Field</code> object associated with the current
 *      field being validated.
 * @param  errors   The <code>ActionMessages</code> object to add errors to if any
 *      validation errors occur.
 * @param validator The <code>Validator</code> instance, used to access
 *      other field values.
 * @param  request  Current request object.
 * @return True if valid, false otherwise.
 */
public static boolean validateEmail(Object bean,
                                    ValidatorAction va, Field field,
                                    ActionMessages errors,
                                    Validator validator,
                                    HttpServletRequest request) {

    String value = null;
    if (isString(bean)) {
        value = (String) bean;
    } else {
        value = ValidatorUtils.getValueAsString(bean, field.getProperty());
    }

    if (!GenericValidator.isBlankOrNull(value) && !GenericValidator.isEmail(value)) {
        errors.add(field.getKey(), Resources.getActionMessage(validator, request, va, field));
        return false;
    } else {
        return true;
    }
}
 

import org.apache.commons.validator.Field; //导入依赖的package包/类
/**
 * Checks if the field is required.
 *
 * @return boolean If the field isn't <code>null</code> and
 * has a length greater than zero, <code>true</code> is returned.  
 * Otherwise <code>false</code>.
 */
public static boolean validateRequired(Object bean, Field field) {
   String value = ValidatorUtils.getValueAsString(bean, field.getProperty());
    String labelName = field.getProperty() + "Label";
    try {
      JLabel label = (JLabel)PropertyUtils.getProperty(bean, labelName);
      String text = label.getText();
      int ind = text.indexOf("*");
      if (ind == -1){
        label.setText(text + "*");
      }
    } catch (Exception e) {
    }
    
   return !GenericValidator.isBlankOrNull(value);
}
 

import org.apache.commons.validator.Field; //导入依赖的package包/类
/**
 * Get the value of a variable.
 *
 * @param varName   The variable name
 * @param field     the validator Field
 * @param validator The Validator
 * @param request   the servlet request
 * @param required  Whether the variable is mandatory
 * @return The variable's value
 */
public static String getVarValue(String varName, Field field,
    Validator validator, HttpServletRequest request, boolean required) {
    Var var = field.getVar(varName);

    if (var == null) {
        String msg = sysmsgs.getMessage("variable.missing", varName);

        if (required) {
            throw new IllegalArgumentException(msg);
        }

        if (log.isDebugEnabled()) {
            log.debug(field.getProperty() + ": " + msg);
        }

        return null;
    }

    ServletContext application =
        (ServletContext) validator.getParameterValue(SERVLET_CONTEXT_PARAM);

    return getVarValue(var, application, request, required);
}
 

import org.apache.commons.validator.Field; //导入依赖的package包/类
/**
 * Gets the message arguments based on the current <code>ValidatorAction</code>
 * and <code>Field</code>.
 *
 * @param actionName action name
 * @param messages   message resources
 * @param locale     the locale
 * @param field      the validator field
 */
public static String[] getArgs(String actionName,
    MessageResources messages, Locale locale, Field field) {
    String[] argMessages = new String[4];

    Arg[] args =
        new Arg[] {
            field.getArg(actionName, 0), field.getArg(actionName, 1),
            field.getArg(actionName, 2), field.getArg(actionName, 3)
        };

    for (int i = 0; i < args.length; i++) {
        if (args[i] == null) {
            continue;
        }

        if (args[i].isResource()) {
            argMessages[i] = getMessage(messages, locale, args[i].getKey());
        } else {
            argMessages[i] = args[i].getKey();
        }
    }

    return argMessages;
}
 

import org.apache.commons.validator.Field; //导入依赖的package包/类
/**
 * Checks if the field isn't null and length of the field is greater than
 * zero not including whitespace.
 *
 * @param bean      The bean validation is being performed on.
 * @param va        The <code>ValidatorAction</code> that is currently
 *                  being performed.
 * @param field     The <code>Field</code> object associated with the
 *                  current field being validated.
 * @param errors    The <code>ActionMessages</code> object to add errors
 *                  to if any validation errors occur.
 * @param validator The <code>Validator</code> instance, used to access
 *                  other field values.
 * @param request   Current request object.
 * @return true if meets stated requirements, false otherwise.
 */
public static boolean validateRequired(Object bean, ValidatorAction va,
    Field field, ActionMessages errors, Validator validator,
    HttpServletRequest request) {
    String value = null;

    value = evaluateBean(bean, field);

    if (GenericValidator.isBlankOrNull(value)) {
        errors.add(field.getKey(),
            Resources.getActionMessage(validator, request, va, field));

        return false;
    } else {
        return true;
    }
}