Examples of com.opensymphony.xwork2.validator.validators.RequiredStringValidator

Package com.opensymphony.xwork2.validator.validators

Examples of com.opensymphony.xwork2.validator.validators.RequiredStringValidator

com.opensymphony.xwork2.ActionContext
RequiredStringValidator checks that a String field is non-null and has a length > 0. (i.e. it isn't ""). The "trim" parameter determines whether it will {@link String#trim() trim}the String before performing the length check. If unspecified, the String will be trimmed.
- fieldName - The field name this validator is validating. Required if using Plain-Validator Syntax otherwise not required
- trim - (Optional) Boolean, default true. Trims the field name value before validating.
- trimExpression - (Optional) String. Specifies the trim param as an OGNL expression.
Do not use ${trimExpression} as an expression as this will turn into infinitive loop!
```
  <validators>  <validator type="requiredstring"> <param name="fieldName">username</param> <param name="trim">true</param> <message>username is required</message> </validator>  <field name="username"> <field-validator type="requiredstring"> <param name="trim">true</param> <message>username is required</message> </field-validator> </field>  <field name="username"> <field-validator type="requiredstring"> <param name="trimExpression">${trimValue}</param>  <message>username is required</message> </field-validator> </field> </validators>  
```
@author rainerh @version $Date$ $Id$

    
    public void removeActionBean(Class<?> objClass, String propertyName)
    {
        if (objClass==null)
            return;
        ActionContext context = ActionContext.getContext();
        String key = getActionBeanName(context, objClass, propertyName);
        if (key!=null)
            context.getSession().remove(key);
    }

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    public void clearActionErrors()
    {
        actionError = null;
        fieldErrors = null;
        // Remove from Session
        ActionContext context = ActionContext.getContext();
        if (context!=null)
            context.getSession().remove(LAST_ACTION_ERROR_ATTRIBUTE);
    }

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    /*
     * @see org.apache.empire.struts2.action.ActionErrorProvider#getLastActionError(boolean)
     */
    public ErrorInfo getLastActionError(boolean clear)
    {
        ActionContext context = ActionContext.getContext();
        ErrorInfo error = (ErrorInfo)context.getSession().get(LAST_ACTION_ERROR_ATTRIBUTE);
        if (clear)
            context.getSession().remove(LAST_ACTION_ERROR_ATTRIBUTE);
        return error;
    }

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        if (error instanceof ActionError)
            actionError = ((ActionError)error);
        else 
            actionError = new ActionError(error);
        // put Error on session
        ActionContext context = ActionContext.getContext();
        context.getSession().put(LAST_ACTION_ERROR_ATTRIBUTE, actionError);
    }

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    /*
     * @see org.apache.empire.struts2.action.ActionErrorProvider#getLastActionMessage(boolean)
     */
    public String getLastActionMessage(boolean clear)
    {
        ActionContext context = ActionContext.getContext();
        Object msg = context.getSession().get(LAST_ACTION_MESSAGE_ATTRIBUTE);
        if (clear)
            context.getSession().remove(LAST_ACTION_MESSAGE_ATTRIBUTE);
        return StringUtils.toString(msg);
    }

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    protected void setActionMessage(String message)
    {   // put Message on session
        if (message.startsWith("!"))
            message = getText(message.substring(1));
        ActionContext context = ActionContext.getContext();
        context.getSession().put(LAST_ACTION_MESSAGE_ATTRIBUTE, message);
    }

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    // ------- Request Param accessors -------
    
    public final Map<String,Object> getRequestParameters()
    {
        ActionContext context = ActionContext.getContext();
        return (context!=null) ? context.getParameters() : null;
    }

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    public String intercept(ActionInvocation invocation) throws Exception {
        
        log.debug("Entering UIActionPrepareInterceptor");
        
        final Object action = invocation.getAction();
        final ActionContext context = invocation.getInvocationContext();
        
        // is this one of our own UIAction classes?
        if (action instanceof UIActionPreparable) {
            
            log.debug("action is UIActionPreparable, calling myPrepare() method");

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    public String intercept(ActionInvocation invocation) throws Exception {
        
        log.debug("Entering UIActionInterceptor");
        
        final Object action = invocation.getAction();
        final ActionContext context = invocation.getInvocationContext();
        
        HttpServletRequest request = (HttpServletRequest) context.get(HTTP_REQUEST);
        
        // is this one of our own UIAction classes?
        if (action instanceof UIAction) {
            
            log.debug("action is a UIAction, setting relevant attributes");

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        Configuration config = configurationManager.getConfiguration();
        Container container = config.getContainer();


        ValueStack stack = container.getInstance(ValueStackFactory.class).createValueStack();
        stack.getContext().put(ActionContext.CONTAINER, container);
        ActionContext.setContext(new ActionContext(stack.getContext()));


        ActionContext.getContext().setSession(new HashMap<String, Object>());


        // change the port on the mailSender so it doesn't conflict with an 
        // existing SMTP server on localhost

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