Java RequestUtils类代码示例

import org.apache.struts.util.RequestUtils; //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.struts.util.RequestUtils; //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.struts.util.RequestUtils; //导入依赖的package包/类
/**
 * Locate or create the bean associated with our form.
 * @throws JspException
 * @since Struts 1.1
 */
protected void initFormBean() throws JspException {
    int scope = PageContext.SESSION_SCOPE;
    if ("request".equalsIgnoreCase(beanScope)) {
        scope = PageContext.REQUEST_SCOPE;
    }
    
    Object bean = pageContext.getAttribute(beanName, scope);
    if (bean == null) {
        // New and improved - use the values from the action mapping
        bean =
            RequestUtils.createActionForm(
                (HttpServletRequest) pageContext.getRequest(),
                mapping,
                moduleConfig,
                servlet);
        if (bean instanceof ActionForm) {
            ((ActionForm) bean).reset(mapping, (HttpServletRequest) pageContext.getRequest());
        }
        if (bean == null) {
            throw new JspException(messages.getMessage("formTag.create", beanType));
        }
        pageContext.setAttribute(beanName, bean, scope);
    }
    pageContext.setAttribute(Constants.BEAN_KEY, bean, PageContext.REQUEST_SCOPE);
}
 

import org.apache.struts.util.RequestUtils; //导入依赖的package包/类
/**
 * Render a fully formed HTML <base> element and return it as a String.
 * @param scheme The scheme used in the url (ie. http or https).
 * @param serverName
 * @param port
 * @param uri  The portion of the url from the protocol name up to the query 
 * string.
 * @return String An HTML <base> element.
 * @since Struts 1.1
 */
protected String renderBaseElement(
    String scheme,
    String serverName,
    int port,
    String uri) {
        
    StringBuffer tag = new StringBuffer("<base href=\"");
    tag.append(RequestUtils.createServerUriStringBuffer(scheme,serverName,port,uri).toString());

    tag.append("\"");
    
    if (this.target != null) {
        tag.append(" target=\"");
        tag.append(this.target);
        tag.append("\"");
    }
    
    if (TagUtils.getInstance().isXhtml(this.pageContext)) {
        tag.append(" />");
    } else {
        tag.append(">");
    }
    
    return tag.toString();
}
 

import org.apache.struts.util.RequestUtils; //导入依赖的package包/类
public Object createObject(Attributes attributes) {

        // Identify the name of the class to instantiate
        String className = attributes.getValue("className");
        if (className == null) {
            ModuleConfig mc = (ModuleConfig) digester.peek();
            className = mc.getActionFormBeanClass();
        }

        // Instantiate the new object and return it
        Object actionFormBean = null;
        try {
            actionFormBean =
                RequestUtils.applicationInstance(className);
        } catch (Exception e) {
            digester.getLogger().error(
                    "ActionFormBeanFactory.createObject: ", e);
        }

        return actionFormBean;
    }
 

import org.apache.struts.util.RequestUtils; //导入依赖的package包/类
/**
 * Renders the reference for a HTML <base> element.
 */
public String getBaseRef() {

    if (request == null)
        return null;

    StringBuffer result = RequestUtils.requestToServerStringBuffer(request);
    String path = null;
    if (forward == null)
        path = request.getRequestURI();
    else
        path = request.getContextPath() + forward.getPath();
    result.append(path);

    return result.toString();
}
 

import org.apache.struts.util.RequestUtils; //导入依赖的package包/类
/**
 * Look up and return a message string, based on the specified parameters.
 *
 * @param key Message key to be looked up and returned
 * @param args Replacement parameters for this message
 */
public String getMessage(String key, Object args[]) {

    MessageResources resources = getMessageResources();

    if (resources == null)
        return null;

    // Return the requested message
    if (args == null)
        return resources.getMessage(
            RequestUtils.getUserLocale(request, null),
            key);
    else
        return resources.getMessage(
            RequestUtils.getUserLocale(request, null),
            key,
            args);

}
 

import org.apache.struts.util.RequestUtils; //导入依赖的package包/类
/**
 * <p>Return <code>true</code> if information returned by
 * <code>config.getActionMappingClass</code> is all valid;
 * otherwise, log error messages and return <code>false</code>.</p>
 */
protected boolean verifyActionMappingClass() {

    String amcName = config.getActionMappingClass();
    if (amcName == null) {
        log(servlet.getInternal().getMessage
            ("verifyActionMappingClass.missing"));
        return (false);
    }
    try {
        Class amcClass = RequestUtils.applicationClass(amcName);
    } catch (ClassNotFoundException e) {
        log(servlet.getInternal().getMessage
            ("verifyActionMappingClass.invalid", amcName));
        return (false);
    }
    return (true);

}
 

import org.apache.struts.util.RequestUtils; //导入依赖的package包/类
/**
 * <p>Return <code>true</code> if information returned by
 * <code>config.findPluginConfigs</code> is all valid;
 * otherwise, log error messages and return <code>false</code>.</p>
 */
protected boolean verifyPlugInConfigs() {

    boolean ok = true;
    PlugInConfig pics[] = config.findPlugInConfigs();
    for (int i = 0; i < pics.length; i++) {
        String className = pics[i].getClassName();
        if (className == null) {
            log(servlet.getInternal().getMessage
                ("verifyPlugInConfigs.missing"));
            ok = false;
        } else {
            try {
                Class clazz = RequestUtils.applicationClass(className);
            } catch (ClassNotFoundException e) {
                log(servlet.getInternal().getMessage
                    ("verifyPlugInConfigs.invalid", className));
                ok = false;
            }
        }
    }
    return (ok);

}
 

import org.apache.struts.util.RequestUtils; //导入依赖的package包/类
public TramiteEspecificado getTramite()
{
	if ( tramite == null )
	{
		try
		{
			tramite = ( TramiteEspecificado ) RequestUtils.applicationInstance(tramiteClassName);
		}
		catch ( Throwable t )
		{
			log.error("No se ha podido crear el tramite ", t);
			return null;
		}
	}
	return tramite;
}
 

import org.apache.struts.util.RequestUtils; //导入依赖的package包/类
public Traducible getValues() 
{
       Traducible values = getTramite().getEspecificaciones();
       if (values == null) 
       {
           try 
           {
               values = (Traducible) RequestUtils.applicationInstance(valuesClassName);
               this.setValues( values );
           } catch (Throwable t) 
           {
               log.error("No se ha podido crear el value ", t);
               return null;
           }
       }
       return values;
   }
 

import org.apache.struts.util.RequestUtils; //导入依赖的package包/类
/**
 * Initialize the <code>Validator</code> to perform validation.
 *
 * @param key         The key that the validation rules are under (the
 *                    form elements name attribute).
 * @param bean        The bean validation is being performed on.
 * @param application servlet context
 * @param request     The current request object.
 * @param errors      The object any errors will be stored in.
 * @param page        This in conjunction with  the page property of a
 *                    <code>Field<code> can control the processing of
 *                    fields.  If the field's page is less than or equal
 *                    to this page value, it will be processed.
 */
public static Validator initValidator(String key, Object bean,
    ServletContext application, HttpServletRequest request,
    ActionMessages errors, int page) {
    ValidatorResources resources =
        Resources.getValidatorResources(application, request);

    Locale locale = RequestUtils.getUserLocale(request, null);

    Validator validator = new Validator(resources, key);

    validator.setUseContextClassLoader(true);

    validator.setPage(page);

    validator.setParameter(SERVLET_CONTEXT_PARAM, application);
    validator.setParameter(HTTP_SERVLET_REQUEST_PARAM, request);
    validator.setParameter(Validator.LOCALE_PARAM, locale);
    validator.setParameter(ACTION_MESSAGES_PARAM, errors);
    validator.setParameter(Validator.BEAN_PARAM, bean);

    return validator;
}
 

import org.apache.struts.util.RequestUtils; //导入依赖的package包/类
/**
 * Checks if the field can safely be converted to a byte 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 validateByteLocale(Object bean, ValidatorAction va,
    Field field, ActionMessages errors, Validator validator,
    HttpServletRequest request) {
    Object result = null;
    String value = null;

    value = evaluateBean(bean, field);

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

    Locale locale = RequestUtils.getUserLocale(request, null);

    result = GenericTypeValidator.formatByte(value, locale);

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

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

import org.apache.struts.util.RequestUtils; //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 validateShortLocale(Object bean, ValidatorAction va,
    Field field, ActionMessages errors, Validator validator,
    HttpServletRequest request) {
    Object result = null;
    String value = null;

    value = evaluateBean(bean, field);

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

    Locale locale = RequestUtils.getUserLocale(request, null);

    result = GenericTypeValidator.formatShort(value, locale);

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

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

import org.apache.struts.util.RequestUtils; //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 validateIntegerLocale(Object bean, ValidatorAction va,
    Field field, ActionMessages errors, Validator validator,
    HttpServletRequest request) {
    Object result = null;
    String value = null;

    value = evaluateBean(bean, field);

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

    Locale locale = RequestUtils.getUserLocale(request, null);

    result = GenericTypeValidator.formatInt(value, locale);

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

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