FeaturePolicyHeaderWriter (spring-security-docs 5.6.10 API)

java.lang.Object
- org.springframework.security.web.header.writers.FeaturePolicyHeaderWriter

All Implemented Interfaces:

HeaderWriter
```
public final class FeaturePolicyHeaderWriter
extends java.lang.Object
implements HeaderWriter
```
Provides support for Feature Policy.
Feature Policy allows web developers to selectively enable, disable, and modify the behavior of certain APIs and web features in the browser.
A declaration of a feature policy contains a set of security policy directives, each responsible for declaring the restrictions for a particular feature type.

Since:

5.1

Constructor Summary

Constructors
Constructor	Description
`FeaturePolicyHeaderWriter(java.lang.String policyDirectives)`	Create a new instance of `FeaturePolicyHeaderWriter` with supplied security policy directive(s).

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`setPolicyDirectives(java.lang.String policyDirectives)`	Set the security policy directive(s) to be used in the response header.
`java.lang.String`	`toString()`
`void`	`writeHeaders(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)`	Create a `Header` instance.

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

- Constructor Detail
  - FeaturePolicyHeaderWriter
```
public FeaturePolicyHeaderWriter(java.lang.String policyDirectives)
```
    Create a new instance of FeaturePolicyHeaderWriter with supplied security policy directive(s).
    
    Parameters:
    
    policyDirectives - the security policy directive(s)
    
    Throws:
    
    java.lang.IllegalArgumentException - if policyDirectives is null or empty
- Method Detail
  - writeHeaders
```
public void writeHeaders(javax.servlet.http.HttpServletRequest request,
                         javax.servlet.http.HttpServletResponse response)
```
    Description copied from interface: HeaderWriter
    
    Create a Header instance.
    
    Specified by:
    
    writeHeaders in interface HeaderWriter
    
    Parameters:
    
    request - the request
    
    response - the response
  - setPolicyDirectives
```
public void setPolicyDirectives(java.lang.String policyDirectives)
```
    Set the security policy directive(s) to be used in the response header.
    
    Parameters:
    
    policyDirectives - the security policy directive(s)
    
    Throws:
    
    java.lang.IllegalArgumentException - if policyDirectives is null or empty
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object