Helpers (Vaadin Flow Classic Components 23.3.0 API)

java.lang.Object
- com.vaadin.classic.v8.server.Helpers

All Implemented Interfaces:

java.io.Serializable
```
public class Helpers
extends java.lang.Object
implements java.io.Serializable
```
Helper class for classic component pack internal things.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

static java.lang.String UNSUPPORTED_API_LOGGER_NAME

static java.lang.String VAADIN_7_SYSTEM_PROPERTY

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static boolean`	`isVaadin7Defaults()`	Checks whether the Vaadin 7 defaults should be used or not.
`static void`	`logUnsupportedApiCall(java.lang.Class<?> clazz, java.lang.String methodName)`	Logs out a warning in development mode about unsupported API call of the given method in the given class.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - UNSUPPORTED_API_LOGGER_NAME
```
public static final java.lang.String UNSUPPORTED_API_LOGGER_NAME
```
    See Also:
    
    Constant Field Values
  - VAADIN_7_SYSTEM_PROPERTY
```
public static final java.lang.String VAADIN_7_SYSTEM_PROPERTY
```
    See Also:
    
    Constant Field Values
- Method Detail
  - logUnsupportedApiCall
```
public static void logUnsupportedApiCall(java.lang.Class<?> clazz,
                                         java.lang.String methodName)
```
    Logs out a warning in development mode about unsupported API call of the given method in the given class.
    
    Parameters:
    
    clazz - the class that was called
    
    methodName - the name of the unsupported method that was called
  - isVaadin7Defaults
```
public static boolean isVaadin7Defaults()
```
    Checks whether the Vaadin 7 defaults should be used or not.
    
    Returns:
    
    true to use V7 defaults, false to not and use V8 defaults