java.lang.Object
- de.fraunhofer.iosb.ilt.frostserver.util.Constants

```
public class Constants
extends Object
```
Author:

scf

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`CHARSET_UTF8`
`static String`	`CONTENT_TYPE`
`static String`	`CONTENT_TYPE_APPLICATION_GEOJSON`
`static String`	`CONTENT_TYPE_APPLICATION_HTTP`
`static String`	`CONTENT_TYPE_APPLICATION_JSON`
`static String`	`CONTENT_TYPE_APPLICATION_JSONPATCH`
`static String`	`CONTENT_TYPE_APPLICATION_XML`
`static String`	`CONTENT_TYPE_TEXT_HTML`
`static String`	`HEADER_ACCEPT`
`static String`	`HEADER_LOCATION`
`static String`	`HEADER_PREFER`
`static String`	`REQUEST_PARAM_FORMAT`
`static String`	`TAG_PREFER_RETURN`
`static String`	`VALUE_ID_TYPE_LONG`
`static String`	`VALUE_ID_TYPE_STRING`
`static String`	`VALUE_ID_TYPE_UUID`
`static String`	`VALUE_RETURN_MINIMAL`
`static String`	`VALUE_RETURN_REPRESENTATION`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static <T> T`	`throwIfNullOrTypeNot(Object entity, Class<T> targetClass)`	Throws an IllegalArgumentException if entity is not an instance of targetClass, or if entity is null.
`static <T> T`	`throwIfTypeNot(Object entity, Class<T> targetClass)`	Throws an IllegalArgumentException if entity is not an instance of targetClass.

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

- Field Detail
  - CONTENT_TYPE
```
public static final String CONTENT_TYPE
```
    See Also:
    
    Constant Field Values
  - CONTENT_TYPE_APPLICATION_GEOJSON
```
public static final String CONTENT_TYPE_APPLICATION_GEOJSON
```
    See Also:
    
    Constant Field Values
  - CONTENT_TYPE_APPLICATION_HTTP
```
public static final String CONTENT_TYPE_APPLICATION_HTTP
```
    See Also:
    
    Constant Field Values
  - CONTENT_TYPE_APPLICATION_JSON
```
public static final String CONTENT_TYPE_APPLICATION_JSON
```
    See Also:
    
    Constant Field Values
  - CONTENT_TYPE_APPLICATION_JSONPATCH
```
public static final String CONTENT_TYPE_APPLICATION_JSONPATCH
```
    See Also:
    
    Constant Field Values
  - CONTENT_TYPE_APPLICATION_XML
```
public static final String CONTENT_TYPE_APPLICATION_XML
```
    See Also:
    
    Constant Field Values
  - CONTENT_TYPE_TEXT_HTML
```
public static final String CONTENT_TYPE_TEXT_HTML
```
    See Also:
    
    Constant Field Values
  - CHARSET_UTF8
```
public static final String CHARSET_UTF8
```
    See Also:
    
    Constant Field Values
  - HEADER_ACCEPT
```
public static final String HEADER_ACCEPT
```
    See Also:
    
    Constant Field Values
  - HEADER_LOCATION
```
public static final String HEADER_LOCATION
```
    See Also:
    
    Constant Field Values
  - HEADER_PREFER
```
public static final String HEADER_PREFER
```
    See Also:
    
    Constant Field Values
  - TAG_PREFER_RETURN
```
public static final String TAG_PREFER_RETURN
```
    See Also:
    
    Constant Field Values
  - REQUEST_PARAM_FORMAT
```
public static final String REQUEST_PARAM_FORMAT
```
    See Also:
    
    Constant Field Values
  - VALUE_ID_TYPE_LONG
```
public static final String VALUE_ID_TYPE_LONG
```
    See Also:
    
    Constant Field Values
  - VALUE_ID_TYPE_STRING
```
public static final String VALUE_ID_TYPE_STRING
```
    See Also:
    
    Constant Field Values
  - VALUE_ID_TYPE_UUID
```
public static final String VALUE_ID_TYPE_UUID
```
    See Also:
    
    Constant Field Values
  - VALUE_RETURN_REPRESENTATION
```
public static final String VALUE_RETURN_REPRESENTATION
```
    See Also:
    
    Constant Field Values
  - VALUE_RETURN_MINIMAL
```
public static final String VALUE_RETURN_MINIMAL
```
    See Also:
    
    Constant Field Values
- Method Detail
  - throwIfNullOrTypeNot
```
public static <T> T throwIfNullOrTypeNot(Object entity,
                                         Class<T> targetClass)
```
    Throws an IllegalArgumentException if entity is not an instance of targetClass, or if entity is null. Returns the entity so calls can be chained.
    
    Type Parameters:
    
    T - The type of the entity (auto detected)
    
    Parameters:
    
    entity - The entity to check the class of.
    
    targetClass - The class to check the entity against.
    
    Returns:
    
    The entity to check.
  - throwIfTypeNot
```
public static <T> T throwIfTypeNot(Object entity,
                                   Class<T> targetClass)
```
    Throws an IllegalArgumentException if entity is not an instance of targetClass. Does not throw if entity is null. Returns the entity so calls can be chained.
    
    Type Parameters:
    
    T - The type of the entity (auto detected)
    
    Parameters:
    
    entity - The entity to check the class of.
    
    targetClass - The class to check the entity against.
    
    Returns:
    
    The entity to check.

Class Constants

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

CONTENT_TYPE

CONTENT_TYPE_APPLICATION_GEOJSON

CONTENT_TYPE_APPLICATION_HTTP

CONTENT_TYPE_APPLICATION_JSON

CONTENT_TYPE_APPLICATION_JSONPATCH

CONTENT_TYPE_APPLICATION_XML

CONTENT_TYPE_TEXT_HTML

CHARSET_UTF8

HEADER_ACCEPT

HEADER_LOCATION

HEADER_PREFER

TAG_PREFER_RETURN

REQUEST_PARAM_FORMAT

VALUE_ID_TYPE_LONG

VALUE_ID_TYPE_STRING

VALUE_ID_TYPE_UUID

VALUE_RETURN_REPRESENTATION

VALUE_RETURN_MINIMAL

Method Detail

throwIfNullOrTypeNot

throwIfTypeNot