0 Servlet Cookie API in Java

Servlet Cookie API in Java

HttpServletInterface.getCookie() method is used to retrieve an array of cookies from the request object.
The cookie is the data sent as a part of the request object by the client.
The client sends only the cookie name and cookie value.

Cookie Constructor of Servlet Cookie API

Cookie(java.lang.String name, java.lang.String value) - Constructs a cookie with a specified name and value.

Methods of Servlet Cookie API

• java.lang.Object clone(): Overrides the standard java.lang.Object.clone method to return a copy of this cookie.
• java.lang.String getComment(): Returns the comment describing the purpose of this cookie, or null if the cookie has no comment.
• java.lang.String getDomain(): Returns the domain name set for this cookie.
• Int getMaxAge() : Returns the maximum age of the cookie, specified in seconds, By default, -1 indicating the cookie will persist until browser shutdown.
• java.lang.String getName() : Returns the name of the cookie.
• java.lang.String getPath()
• java.lang.String getValue
• int getVersion()
• void setComment(java.lang.String purpose)
• void setDomain(java.lang.String pattern)
• void setMaxAge(int expiry)
• void setValue(java.lang.String newValue)
• void setVersion (int version)

API to add cookie in the Responce header

HttpServletResponse
Method:- void addCookie(Cookie cookie)

API to Read cookie from the client

HttpServletRequest
Method:- Cookies[] getCookies()