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## org.w3c.www.http
Class HttpCacheControl

    java.lang.Object
      |
      +--org.w3c.www.http.BasicValue
            |
            +--org.w3c.www.http.HttpCacheControl

public class HttpCacheControl
extends BasicValue

The parsed cache-control directive of HTTP/1.1 This object gives access to the parsed value of the cache-control directive of HTTP/1.1, as defined in section 14.9 of the specification.

Fields inherited from class org.w3c.www.http.BasicValue
`isValid, raw, rlen, roff`

Constructor Summary
`HttpCacheControl()` Create a new empty cache control object descriptor.

Method Summary
`void` | `addNoCache(java.lang.String name)` Add the given header name to the `no-cache` directive.
`boolean` | `checkMustRevalidate()` Is the must-revalidate flag set ?
`boolean` | `checkNoStore()` Is the no-store flag set ?
`boolean` | `checkNoTransform()` Is the no-transform flag set ?
`boolean` | `checkOnlyIfCached()` Is the on-if-cached flag value set ?
`boolean` | `checkProxyRevalidate()` Is the proxy-revalidate flag set ?
`boolean` | `checkPublic()` Is the public flag set ?
`int` | `getMaxAge()` Get the max-age value defined by this cache control policy.
`int` | `getMaxStale()` Get the max-stale value defined by this control object.
`int` | `getMinFresh()` Get the min-fresh directive value.
`java.lang.String[]` | `getNoCache()` Get and test the no-cache directive setting.
`java.lang.String[]` | `getPrivate()` Check and get the private value.
`int` | `getSMaxAge()` Get the s-maxage value defined by this cache control policy.
`java.lang.Object` | `getValue()` HeaderValue implementation - Get this header value.
`protected void` | `parse()` parse.
`void` | `setMaxAge(int age)` Set the max-age directive for this cache control.
`void` | `setMaxStale(int stale)` Set the max-stale directive value.
`void` | `setMinFresh(int fresh)` Set the minfresh directive value.
`void` | `setMustRevalidate(boolean onoff)` Set the must-revalidate directive.
`void` | `setNoCache()` Set the `no-cache` directive globally.
`void` | `setNoCache(java.lang.String[] fields)` Set the no cache directive to the given list of fields.
`void` | `setNoStore(boolean onoff)` Set the `no-store` flag.
`void` | `setNoTransform(boolean onoff)` Set the no-transform directive.
`void` | `setOnlyIfCached(boolean onoff)` Set the only-if-cached directive.
`void` | `setPrivate(java.lang.String[] priv)` Set the private directive value.
`void` | `setProxyRevalidate(boolean onoff)` Set the proxy-revalidate directive.
`void` | `setPublic(boolean onoff)` Set the public directive.
`void` | `setSMaxAge(int age)` Set the s_maxage directive for this cache control.
`void` | `unsetNoCache()` Unset the `no-cache` directive.
`void` | `unsetPrivate()` Unset the `private` directive.
`protected void` | `updateByteValue()` Recompute the byte value for this header.

Methods inherited from class org.w3c.www.http.BasicValue
`addBytes, appendValue, checkByteValue, emit, error, invalidateByteValue, setBytes, setString, toExternalForm, toString, validate`

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

Constructor Detail

### HttpCacheControl

    public HttpCacheControl()

  Create a new empty cache control object descriptor. The value will be provided through parsing.

Method Detail

### updateByteValue

    protected void updateByteValue()

  Recompute the byte value for this header.
  Overrides:
    updateByteValue in class BasicValue

### parse

    protected void parse()
                  throws HttpParserException

  parse.
  Throws:
    HttpParserException - if parsing failed.
  Overrides:
    parse in class BasicValue

### getValue

    public java.lang.Object getValue()

  HeaderValue implementation - Get this header value.
  Returns:
    Itself !
  Overrides:
    getValue in class BasicValue

### getNoCache

    public java.lang.String[] getNoCache()

  Get and test the no-cache directive setting.
  Returns:
    A field-list as an array of String, or null if the directive is undefined.

### setNoCache

    public void setNoCache(java.lang.String[] fields)

  Set the no cache directive to the given list of fields.
  Parameters:
    `fields` - The fields to set in the no-cache directive, encoded as a String array (whose length can be 0), or null to reset the value.

### setNoCache

    public void setNoCache()

  Set the `no-cache` directive globally.

### addNoCache

    public void addNoCache(java.lang.String name)

  Add the given header name to the `no-cache` directive.
  Parameters:
    `name` - The header name to add.

### unsetNoCache

    public void unsetNoCache()

  Unset the `no-cache` directive.

### checkNoStore

    public boolean checkNoStore()

  Is the no-store flag set ?
  Returns:
    A boolean.

### setNoStore

    public void setNoStore(boolean onoff)

  Set the `no-store` flag.
  Parameters:
    `onoff` - The value for the no-store directive.

### getMaxAge

    public final int getMaxAge()

  Get the max-age value defined by this cache control policy.
  Returns:
    The max-age value, or -1 if undefined.

### setMaxAge

    public void setMaxAge(int age)

  Set the max-age directive for this cache control.
  Parameters:
    `age` - The max allowed age for the cache control policy, or -1 to reset value.

### getSMaxAge

    public final int getSMaxAge()

  Get the s-maxage value defined by this cache control policy.
  Returns:
    The s-maxage value, or -1 if undefined.

### setSMaxAge

    public void setSMaxAge(int age)

  Set the s_maxage directive for this cache control.
  Parameters:
    `age` - The max allowed age for the cache control policy, or -1 to reset value.

### getMaxStale

    public int getMaxStale()

  Get the max-stale value defined by this control object.
  Returns:
    The max-stale value, or -1 if undefined.

### setMaxStale

    public void setMaxStale(int stale)

  Set the max-stale directive value.
  Parameters:
    `stale` - The max-stale value, or -1 to reset value.

### getMinFresh

    public int getMinFresh()

  Get the min-fresh directive value.
  Parameters:
    `def` - The default value to reurn if undefined.

### setMinFresh

    public void setMinFresh(int fresh)

  Set the minfresh directive value.
  Parameters:
    `fresh` - The new minfresh value, or -1 to reset value.

### checkOnlyIfCached

    public boolean checkOnlyIfCached()

  Is the on-if-cached flag value set ?
  Returns:
    A boolean.

### setOnlyIfCached

    public void setOnlyIfCached(boolean onoff)

  Set the only-if-cached directive.
  Parameters:
    `onoff` - The boolean value for the directive.

### checkPublic

    public boolean checkPublic()

  Is the public flag set ?
  Returns:
    A boolean.

### setPublic

    public void setPublic(boolean onoff)

  Set the public directive.
  Parameters:
    `onoff` - The public directive value.

### getPrivate

    public java.lang.String[] getPrivate()

  Check and get the private value.
  Parameters:
    `def` - The default value if undefined.
  Returns:
    A list of field-names, as a String array, or the provided default value otherwise.

### setPrivate

    public void setPrivate(java.lang.String[] priv)

  Set the private directive value.
  Parameters:
    `priv` - The list of field-names as a String array.

### unsetPrivate

    public void unsetPrivate()

  Unset the `private` directive.

### checkNoTransform

    public boolean checkNoTransform()

  Is the no-transform flag set ?
  Returns:
    A boolean.

### setNoTransform

    public void setNoTransform(boolean onoff)

  Set the no-transform directive.
  Parameters:
    `onoff` - The new boolean value for the no-transform directive.

### checkMustRevalidate

    public boolean checkMustRevalidate()

  Is the must-revalidate flag set ?
  Returns:
    A boolean.

### setMustRevalidate

    public void setMustRevalidate(boolean onoff)

  Set the must-revalidate directive.
  Parameters:
    `onoff` - The new value for the must-revalidate directive.

### checkProxyRevalidate

    public boolean checkProxyRevalidate()

  Is the proxy-revalidate flag set ?
  Returns:
    A boolean.

### setProxyRevalidate

    public void setProxyRevalidate(boolean onoff)

  Set the proxy-revalidate directive.
  Parameters:
    `onoff` - The new proxy-revalidate value.

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