## org.apache.http.client.cache
Class HeaderConstants

    java.lang.Object
      org.apache.http.client.cache.HeaderConstants

    @Immutable
    public class HeaderConstants

extends Object

Records static constants for various HTTP header names.

Since:
  4.1

Field Summary
`static String` `AGE`
`static String` `ALLOW`
`static String` `CACHE_CONTROL`
`static String` `CACHE_CONTROL_MAX_AGE`
`static String` `CACHE_CONTROL_MAX_STALE`
`static String` `CACHE_CONTROL_MIN_FRESH`
`static String` `CACHE_CONTROL_MUST_REVALIDATE`
`static String` `CACHE_CONTROL_NO_CACHE`
`static String` `CACHE_CONTROL_NO_STORE`
`static String` `CACHE_CONTROL_PROXY_REVALIDATE`
`static String` `CONTENT_RANGE`
`static String` `DELETE_METHOD`
`static String` `ETAG`
`static String` `EXPIRES`
`static String` `GET_METHOD`
`static String` `HEAD_METHOD`
`static String` `IF_MATCH`
`static String` `IF_MODIFIED_SINCE`
`static String` `IF_NONE_MATCH`
`static String` `IF_RANGE`
`static String` `IF_UNMODIFIED_SINCE`
`static String` `LAST_MODIFIED`
`static String` `MAX_FORWARDS`
`static String` `OPTIONS_METHOD`
`static String` `PRAGMA`
`static String` `PROXY_AUTHENTICATE`
`static String` `PUT_METHOD`
`static String` `RANGE`
`static String` `TRACE_METHOD`
`static String` `VARY`
`static String` `WARNING`
`static String` `WWW_AUTHENTICATE`

Constructor Summary
`HeaderConstants()`

Method Summary

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

Field Detail

### GET_METHOD

    public static final String GET_METHOD

See Also:
  Constant Field Values

### HEAD_METHOD

    public static final String HEAD_METHOD

See Also:
  Constant Field Values

### OPTIONS_METHOD

    public static final String OPTIONS_METHOD

See Also:
  Constant Field Values

### PUT_METHOD

    public static final String PUT_METHOD

See Also:
  Constant Field Values

### DELETE_METHOD

    public static final String DELETE_METHOD

See Also:
  Constant Field Values

### TRACE_METHOD

    public static final String TRACE_METHOD

See Also:
  Constant Field Values

### LAST_MODIFIED

    public static final String LAST_MODIFIED

See Also:
  Constant Field Values

### IF_MATCH

    public static final String IF_MATCH

See Also:
  Constant Field Values

### IF_RANGE

    public static final String IF_RANGE

See Also:
  Constant Field Values

### IF_UNMODIFIED_SINCE

    public static final String IF_UNMODIFIED_SINCE

See Also:
  Constant Field Values

### IF_MODIFIED_SINCE

    public static final String IF_MODIFIED_SINCE

See Also:
  Constant Field Values

### IF_NONE_MATCH

    public static final String IF_NONE_MATCH

See Also:
  Constant Field Values

### PRAGMA

    public static final String PRAGMA

See Also:
  Constant Field Values

### MAX_FORWARDS

    public static final String MAX_FORWARDS

See Also:
  Constant Field Values

### ETAG

    public static final String ETAG

See Also:
  Constant Field Values

### EXPIRES

    public static final String EXPIRES

See Also:
  Constant Field Values

### AGE

    public static final String AGE

See Also:
  Constant Field Values

### VARY

    public static final String VARY

See Also:
  Constant Field Values

### ALLOW

    public static final String ALLOW

See Also:
  Constant Field Values

### CACHE_CONTROL

    public static final String CACHE_CONTROL

See Also:
  Constant Field Values

### CACHE_CONTROL_NO_STORE

    public static final String CACHE_CONTROL_NO_STORE

See Also:
  Constant Field Values

### CACHE_CONTROL_NO_CACHE

    public static final String CACHE_CONTROL_NO_CACHE

See Also:
  Constant Field Values

### CACHE_CONTROL_MAX_AGE

    public static final String CACHE_CONTROL_MAX_AGE

See Also:
  Constant Field Values

### CACHE_CONTROL_MAX_STALE

    public static final String CACHE_CONTROL_MAX_STALE

See Also:
  Constant Field Values

### CACHE_CONTROL_MIN_FRESH

    public static final String CACHE_CONTROL_MIN_FRESH

See Also:
  Constant Field Values

### CACHE_CONTROL_MUST_REVALIDATE

    public static final String CACHE_CONTROL_MUST_REVALIDATE

See Also:
  Constant Field Values

### CACHE_CONTROL_PROXY_REVALIDATE

    public static final String CACHE_CONTROL_PROXY_REVALIDATE

See Also:
  Constant Field Values

### WARNING

    public static final String WARNING

See Also:
  Constant Field Values

### RANGE

    public static final String RANGE

See Also:
  Constant Field Values

### CONTENT_RANGE

    public static final String CONTENT_RANGE

See Also:
  Constant Field Values

### WWW_AUTHENTICATE

    public static final String WWW_AUTHENTICATE

See Also:
  Constant Field Values

### PROXY_AUTHENTICATE

    public static final String PROXY_AUTHENTICATE

See Also:
  Constant Field Values

Constructor Detail

### HeaderConstants

    public HeaderConstants()

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