javax.ws.rs.core

Class CacheControl

java.lang.Object

javax.ws.rs.core.CacheControl

public class CacheControl
extends Object

An abstraction for the value of a HTTP Cache-Control response header.

Since:

1.0

Author:

Paul Sandoz, Marc Hadley

See Also:

HTTP/1.1 section 14.9

Constructor Summary

Constructors

Constructor and Description
CacheControl() Create a new instance of CacheControl.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj) Compares object argument to this cache control to see if they are the same considering all property values.
Map<String,String>	getCacheExtension() Corresponds to a set of extension cache control directives.
int	getMaxAge() Corresponds to the max-age cache control directive.
List<String>	getNoCacheFields() Corresponds to the value of the no-cache cache control directive.
List<String>	getPrivateFields() Corresponds to the value of the private cache control directive.
int	getSMaxAge() Corresponds to the s-maxage cache control directive.
int	hashCode() Generate hash code from cache control properties.
boolean	isMustRevalidate() Corresponds to the must-revalidate cache control directive.
boolean	isNoCache() Corresponds to the no-cache cache control directive.
boolean	isNoStore() Corresponds to the no-store cache control directive.
boolean	isNoTransform() Corresponds to the no-transform cache control directive.
boolean	isPrivate() Corresponds to the private cache control directive.
boolean	isProxyRevalidate() Corresponds to the proxy-revalidate cache control directive.
void	setMaxAge(int maxAge) Corresponds to the max-age cache control directive.
void	setMustRevalidate(boolean mustRevalidate) Corresponds to the must-revalidate cache control directive.
void	setNoCache(boolean noCache) Corresponds to the no-cache cache control directive.
void	setNoStore(boolean noStore) Corresponds to the no-store cache control directive.
void	setNoTransform(boolean noTransform) Corresponds to the no-transform cache control directive.
void	setPrivate(boolean flag) Corresponds to the private cache control directive.
void	setProxyRevalidate(boolean proxyRevalidate) Corresponds to the must-revalidate cache control directive.
void	setSMaxAge(int sMaxAge) Corresponds to the s-maxage cache control directive.
String	toString() Convert the cache control to a string suitable for use as the value of the corresponding HTTP header.
static CacheControl	valueOf(String value) Creates a new instance of CacheControl by parsing the supplied string.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

CacheControl

public CacheControl()

Create a new instance of CacheControl. The new instance will have the following default settings:

• private = false
• noCache = false
• noStore = false
• noTransform = true
• mustRevalidate = false
• proxyRevalidate = false
• An empty list of private fields
• An empty list of no-cache fields
• An empty map of cache extensions

Method Detail

valueOf

public static CacheControl valueOf(String value)

Creates a new instance of CacheControl by parsing the supplied string.

Parameters:

value - the cache control string

Returns:

the newly created CacheControl

Throws:

IllegalArgumentException - if the supplied string cannot be parsed or is null

isMustRevalidate

public boolean isMustRevalidate()

Corresponds to the must-revalidate cache control directive.

Returns:

true if the must-revalidate cache control directive will be included in the response, false otherwise.

See Also:

HTTP/1.1 section 14.9.4

setMustRevalidate

public void setMustRevalidate(boolean mustRevalidate)

Corresponds to the must-revalidate cache control directive.

Parameters:

mustRevalidate - true if the must-revalidate cache control directive should be included in the response, false otherwise.

See Also:

HTTP/1.1 section 14.9.4

isProxyRevalidate

public boolean isProxyRevalidate()

Corresponds to the proxy-revalidate cache control directive.

Returns:

true if the proxy-revalidate cache control directive will be included in the response, false otherwise.

See Also:

HTTP/1.1 section 14.9.4

setProxyRevalidate

public void setProxyRevalidate(boolean proxyRevalidate)

Corresponds to the must-revalidate cache control directive.

Parameters:

proxyRevalidate - true if the proxy-revalidate cache control directive should be included in the response, false otherwise.

See Also:

HTTP/1.1 section 14.9.4

getMaxAge

public int getMaxAge()

Corresponds to the max-age cache control directive.

Returns:

the value of the max-age cache control directive, -1 if the directive is disabled.

See Also:

HTTP/1.1 section 14.9.3

setMaxAge

public void setMaxAge(int maxAge)

Corresponds to the max-age cache control directive.

Parameters:

maxAge - the value of the max-age cache control directive, a value of -1 will disable the directive.

See Also:

HTTP/1.1 section 14.9.3

getSMaxAge

public int getSMaxAge()

Corresponds to the s-maxage cache control directive.

Returns:

the value of the s-maxage cache control directive, -1 if the directive is disabled.

See Also:

HTTP/1.1 section 14.9.3

setSMaxAge

public void setSMaxAge(int sMaxAge)

Corresponds to the s-maxage cache control directive.

Parameters:

sMaxAge - the value of the s-maxage cache control directive, a value of -1 will disable the directive.

See Also:

HTTP/1.1 section 14.9.3

getNoCacheFields

public List<String> getNoCacheFields()

Corresponds to the value of the no-cache cache control directive.

Returns:

a mutable list of field-names that will form the value of the no-cache cache control directive. An empty list results in a bare no-cache directive.

See Also:

isNoCache(), setNoCache(boolean), HTTP/1.1 section 14.9.1

setNoCache

public void setNoCache(boolean noCache)

Corresponds to the no-cache cache control directive.

Parameters:

noCache - true if the no-cache cache control directive should be included in the response, false otherwise.

See Also:

getNoCacheFields(), HTTP/1.1 section 14.9.1

isNoCache

public boolean isNoCache()

Corresponds to the no-cache cache control directive.

Returns:

true if the no-cache cache control directive will be included in the response, false otherwise.

See Also:

getNoCacheFields(), HTTP/1.1 section 14.9.1

isPrivate

public boolean isPrivate()

Corresponds to the private cache control directive.

Returns:

true if the private cache control directive will be included in the response, false otherwise.

See Also:

getPrivateFields(), HTTP/1.1 section 14.9.1

getPrivateFields

public List<String> getPrivateFields()

Corresponds to the value of the private cache control directive.

Returns:

a mutable list of field-names that will form the value of the private cache control directive. An empty list results in a bare no-cache directive.

See Also:

isPrivate(), setPrivate(boolean), HTTP/1.1 section 14.9.1

setPrivate

public void setPrivate(boolean flag)

Corresponds to the private cache control directive.

Parameters:

flag - true if the private cache control directive should be included in the response, false otherwise.

See Also:

getPrivateFields(), HTTP/1.1 section 14.9.1

isNoTransform

public boolean isNoTransform()

Corresponds to the no-transform cache control directive.

Returns:

true if the no-transform cache control directive will be included in the response, false otherwise.

See Also:

HTTP/1.1 section 14.9.5

setNoTransform

public void setNoTransform(boolean noTransform)

Corresponds to the no-transform cache control directive.

Parameters:

noTransform - true if the no-transform cache control directive should be included in the response, false otherwise.

See Also:

HTTP/1.1 section 14.9.5

isNoStore

public boolean isNoStore()

Corresponds to the no-store cache control directive.

Returns:

true if the no-store cache control directive will be included in the response, false otherwise.

See Also:

HTTP/1.1 section 14.9.2

setNoStore

public void setNoStore(boolean noStore)

Corresponds to the no-store cache control directive.

Parameters:

noStore - true if the no-store cache control directive should be included in the response, false otherwise.

See Also:

HTTP/1.1 section 14.9.2

getCacheExtension

public Map<String,String> getCacheExtension()

Corresponds to a set of extension cache control directives.

Returns:

a mutable map of cache control extension names and their values. If a key has a null value, it will appear as a bare directive. If a key has a value that contains no whitespace then the directive will appear as a simple name=value pair. If a key has a value that contains whitespace then the directive will appear as a quoted name="value" pair.

See Also:

HTTP/1.1 section 14.9.6

toString

public String toString()

Convert the cache control to a string suitable for use as the value of the corresponding HTTP header.

Overrides:

toString in class Object

Returns:

a stringified cache control

hashCode

public int hashCode()

Generate hash code from cache control properties.

Overrides:

hashCode in class Object

Returns:

the hashCode

equals

public boolean equals(Object obj)

Compares object argument to this cache control to see if they are the same considering all property values.

Overrides:

equals in class Object

Parameters:

obj - the object to compare to

Returns:

true if the two cache controls are the same, false otherwise.