org.apache.nutch.protocol

Class ProtocolStatus

java.lang.Object

org.apache.nutch.protocol.ProtocolStatus

All Implemented Interfaces:

org.apache.hadoop.io.Writable

public class ProtocolStatus
extends Object
implements org.apache.hadoop.io.Writable

Author:

Andrzej Bialecki

Field Summary

Fields

Modifier and Type	Field and Description
static int	ACCESS_DENIED Access denied - authorization required, but missing/incorrect.
static int	BLOCKED Thread was blocked http.max.delays times during fetching.
static int	EXCEPTION Unspecified exception occured.
static int	FAILED Content was not retrieved.
static int	GONE Resource is gone.
static int	MOVED Resource has moved permanently.
static int	NOTFETCHING Not fetching.
static int	NOTFOUND Resource was not found.
static int	NOTMODIFIED Unchanged since the last fetch.
static int	PROTO_NOT_FOUND This protocol was not found.
static int	REDIR_EXCEEDED Too many redirects.
static int	RETRY Temporary failure.
static int	ROBOTS_DENIED Access denied by robots.txt rules.
static ProtocolStatus	STATUS_BLOCKED
static ProtocolStatus	STATUS_FAILED
static ProtocolStatus	STATUS_GONE
static ProtocolStatus	STATUS_NOTFETCHING
static ProtocolStatus	STATUS_NOTFOUND
static ProtocolStatus	STATUS_NOTMODIFIED
static ProtocolStatus	STATUS_REDIR_EXCEEDED
static ProtocolStatus	STATUS_RETRY
static ProtocolStatus	STATUS_ROBOTS_DENIED
static ProtocolStatus	STATUS_SUCCESS
static ProtocolStatus	STATUS_WOULDBLOCK
static int	SUCCESS Content was retrieved without errors.
static int	TEMP_MOVED Resource has moved temporarily.
static int	WOULDBLOCK Request was refused by protocol plugins, because it would block.

Constructor Summary

Constructors

Constructor and Description
ProtocolStatus()
ProtocolStatus(int code)
ProtocolStatus(int code, long lastModified)
ProtocolStatus(int code, Object message)
ProtocolStatus(int code, Object message, long lastModified)
ProtocolStatus(int code, String[] args)
ProtocolStatus(int code, String[] args, long lastModified)
ProtocolStatus(Throwable t)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object o)
String[]	getArgs()
int	getCode()
long	getLastModified()
String	getMessage()
String	getName()
boolean	isPermanentFailure()
boolean	isSuccess()
boolean	isTransientFailure()
static ProtocolStatus	read(DataInput in)
void	readFields(DataInput in)
void	setArgs(String[] args)
void	setCode(int code)
void	setLastModified(long lastModified)
void	setMessage(String msg)
String	toString()
void	write(DataOutput out)

Methods inherited from class java.lang.Object

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

Field Detail

SUCCESS

public static final int SUCCESS

Content was retrieved without errors.

See Also:

Constant Field Values

FAILED

public static final int FAILED

Content was not retrieved. Any further errors may be indicated in args.

See Also:

Constant Field Values

PROTO_NOT_FOUND

public static final int PROTO_NOT_FOUND

This protocol was not found. Application may attempt to retry later.

See Also:

Constant Field Values

GONE

public static final int GONE

Resource is gone.

See Also:

Constant Field Values

MOVED

public static final int MOVED

Resource has moved permanently. New url should be found in args.

See Also:

Constant Field Values

TEMP_MOVED

public static final int TEMP_MOVED

Resource has moved temporarily. New url should be found in args.

See Also:

Constant Field Values

NOTFOUND

public static final int NOTFOUND

Resource was not found.

See Also:

Constant Field Values

RETRY

public static final int RETRY

Temporary failure. Application may retry immediately.

See Also:

Constant Field Values

EXCEPTION

public static final int EXCEPTION

Unspecified exception occured. Further information may be provided in args.

See Also:

Constant Field Values

ACCESS_DENIED

public static final int ACCESS_DENIED

Access denied - authorization required, but missing/incorrect.

See Also:

Constant Field Values

ROBOTS_DENIED

public static final int ROBOTS_DENIED

Access denied by robots.txt rules.

See Also:

Constant Field Values

REDIR_EXCEEDED

public static final int REDIR_EXCEEDED

Too many redirects.

See Also:

Constant Field Values

NOTFETCHING

public static final int NOTFETCHING

Not fetching.

See Also:

Constant Field Values

NOTMODIFIED

public static final int NOTMODIFIED

Unchanged since the last fetch.

See Also:

Constant Field Values

WOULDBLOCK

public static final int WOULDBLOCK

Request was refused by protocol plugins, because it would block. The expected number of milliseconds to wait before retry may be provided in args.

See Also:

Constant Field Values

BLOCKED

public static final int BLOCKED

Thread was blocked http.max.delays times during fetching.

See Also:

Constant Field Values

STATUS_SUCCESS

public static final ProtocolStatus STATUS_SUCCESS

STATUS_FAILED

public static final ProtocolStatus STATUS_FAILED

STATUS_GONE

public static final ProtocolStatus STATUS_GONE

STATUS_NOTFOUND

public static final ProtocolStatus STATUS_NOTFOUND

STATUS_RETRY

public static final ProtocolStatus STATUS_RETRY

STATUS_ROBOTS_DENIED

public static final ProtocolStatus STATUS_ROBOTS_DENIED

STATUS_REDIR_EXCEEDED

public static final ProtocolStatus STATUS_REDIR_EXCEEDED

STATUS_NOTFETCHING

public static final ProtocolStatus STATUS_NOTFETCHING

STATUS_NOTMODIFIED

public static final ProtocolStatus STATUS_NOTMODIFIED

STATUS_WOULDBLOCK

public static final ProtocolStatus STATUS_WOULDBLOCK

STATUS_BLOCKED

public static final ProtocolStatus STATUS_BLOCKED

Constructor Detail

ProtocolStatus

public ProtocolStatus()

ProtocolStatus

public ProtocolStatus(int code,
              String[] args)

ProtocolStatus

public ProtocolStatus(int code,
              String[] args,
              long lastModified)

ProtocolStatus

public ProtocolStatus(int code)

ProtocolStatus

public ProtocolStatus(int code,
              long lastModified)

ProtocolStatus

public ProtocolStatus(int code,
              Object message)

ProtocolStatus

public ProtocolStatus(int code,
              Object message,
              long lastModified)

ProtocolStatus

public ProtocolStatus(Throwable t)

Method Detail

read

public static ProtocolStatus read(DataInput in)
                           throws IOException

Throws:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

IOException

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

IOException

setArgs

public void setArgs(String[] args)

getArgs

public String[] getArgs()

getCode

public int getCode()

getName

public String getName()

setCode

public void setCode(int code)

isSuccess

public boolean isSuccess()

isTransientFailure

public boolean isTransientFailure()

isPermanentFailure

public boolean isPermanentFailure()

getMessage

public String getMessage()

setMessage

public void setMessage(String msg)

getLastModified

public long getLastModified()

setLastModified

public void setLastModified(long lastModified)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object