Core :: Utilities 12.0.6 · org.eclipse.jetty.util.SearchPattern

Modifier and Type	Field and Description
private static final int	ALPHABET_SIZE
private final byte[]	pattern
private final int[]	table

Access	Constructor and Description
private	SearchPattern(byte[] byte array containing the pattern used for matching pattern)

Method Summary

Modifier and Type	Method and Description
public static SearchPattern	Returns: a new SearchPattern instance using the given pattern compile(byte[] byte array containing the pattern to search pattern) Creates a `SearchPattern` instance which can be used to find matches of the pattern in data.
public static SearchPattern	Returns: a new SearchPattern instance using the given pattern compile(String string containing the pattern to search pattern) Creates a `SearchPattern` instance which can be used to find matches of the pattern in data.
public int	Returns: the length of the partial pattern matched and 0 for no match. endsWith(byte[] The data in which to search for. The data may be arbitrary binary data, but the pattern will always be `StandardCharsets#US_ASCII` encoded. data, int The offset within the data to start the search offset, int The length of the data to search length) Search for a partial match of the pattern at the end of the data.
public int	Returns: how many bytes of the pattern were matched at the end of the `ByteBuffer`, or 0 for no match endsWith(ByteBuffer the `ByteBuffer` to search into buffer) Searches for a partial match of the pattern at the end of the `ByteBuffer`.
public int	Returns: The length of the pattern in bytes. getLength()
public byte[]	Returns: the pattern to search. getPattern()
public int	Returns: The index within the data array at which the first instance of the pattern or -1 if not found match(byte[] The data in which to search for. The data may be arbitrary binary data, but the pattern will always be `StandardCharsets#US_ASCII` encoded. data, int The offset within the data to start the search offset, int The length of the data to search length) Search for a complete match of the pattern within the data
public int	Returns: the number of bytes after the buffer's position at which the full pattern was found, or -1 if the full pattern was not found match(ByteBuffer the `ByteBuffer` to search into buffer) Searches for a full match of the pattern in the `ByteBuffer`.
public int	Returns: the length of the partial pattern matched and 0 for no match. startsWith(byte[] The data in which to search for. The data may be arbitrary binary data, but the pattern will always be `StandardCharsets#US_ASCII` encoded. data, int The offset within the data to start the search offset, int The length of the data to search length, int The length of the partial pattern already matched matched) Search for a possibly partial match of the pattern at the start of the data.
public int	Returns: how many bytes of the pattern were matched (including those already matched) at the beginning of the `ByteBuffer`, or 0 for no match startsWith(ByteBuffer the `ByteBuffer` to search into buffer, int how many bytes of the pattern were already matched matched) Searches for a partial match of the pattern at the beginning of the `ByteBuffer`.
private void	validateArgs(byte[] The data in which to search for. The data may be arbitrary binary data, but the pattern will always be `StandardCharsets#US_ASCII` encoded. data, int The offset within the data to start the search offset, int The length of the data to search length) Performs legality checks for standard arguments input into SearchPattern methods.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

ALPHABET_SIZE	back to summary
private static final int ALPHABET_SIZE

pattern	back to summary
private final byte[] pattern

table	back to summary
private final int[] table

SearchPattern	back to summary
private SearchPattern(byte[] pattern) Parameters pattern:byte[] byte array containing the pattern used for matching

Method Detail

compile back to summary

compile	back to summary
public static SearchPattern compile(byte[] pattern) Creates a `SearchPattern` instance which can be used to find matches of the pattern in data. Parameters pattern:byte[] byte array containing the pattern to search Returns:SearchPattern a new SearchPattern instance using the given pattern

public static SearchPattern compile(byte[] pattern)

Creates a SearchPattern instance which can be used to find matches of the pattern in data.

Parameters

pattern:byte[]: byte array containing the pattern to search

Returns:SearchPattern

a new SearchPattern instance using the given pattern

compile back to summary

compile	back to summary
public static SearchPattern compile(String pattern) Creates a `SearchPattern` instance which can be used to find matches of the pattern in data. The pattern string must only contain ASCII characters. Parameters pattern:String string containing the pattern to search Returns:SearchPattern a new SearchPattern instance using the given pattern

public static SearchPattern compile(String pattern)

Creates a SearchPattern instance which can be used to find matches of the pattern in data.

The pattern string must only contain ASCII characters.

Parameters

pattern:String: string containing the pattern to search

Returns:SearchPattern

a new SearchPattern instance using the given pattern

endsWith back to summary

endsWith	back to summary
public int endsWith(byte[] data, int offset, int length) Search for a partial match of the pattern at the end of the data. Parameters data:byte[] The data in which to search for. The data may be arbitrary binary data, but the pattern will always be `StandardCharsets#US_ASCII` encoded. offset:int The offset within the data to start the search length:int The length of the data to search Returns:int the length of the partial pattern matched and 0 for no match.

public int endsWith(byte[] data, int offset, int length)

Search for a partial match of the pattern at the end of the data.

Parameters

data:byte[]: The data in which to search for. The data may be arbitrary binary data, but the pattern will always be StandardCharsets#US_ASCII encoded.
offset:int: The offset within the data to start the search
length:int: The length of the data to search

Returns:int

the length of the partial pattern matched and 0 for no match.

endsWith back to summary

endsWith	back to summary
public int endsWith(ByteBuffer buffer) Searches for a partial match of the pattern at the end of the `ByteBuffer`. The `ByteBuffer` may contain arbitrary binary data, but the pattern will always be `StandardCharsets#US_ASCII` encoded. The position and limit of the `ByteBuffer` are not changed. Parameters buffer:ByteBuffer the `ByteBuffer` to search into Returns:int how many bytes of the pattern were matched at the end of the `ByteBuffer`, or 0 for no match

public int endsWith(ByteBuffer buffer)

Searches for a partial match of the pattern at the end of the ByteBuffer.

The ByteBuffer may contain arbitrary binary data, but the pattern will always be StandardCharsets#US_ASCII encoded.

The position and limit of the ByteBuffer are not changed.

Parameters

buffer:ByteBuffer: the ByteBuffer to search into

Returns:int

how many bytes of the pattern were matched at the end of the ByteBuffer, or 0 for no match

getLength	back to summary
public int getLength() Returns:int The length of the pattern in bytes.

getPattern	back to summary
public byte[] getPattern() Returns:byte[] the pattern to search.

match back to summary

match	back to summary
public int match(byte[] data, int offset, int length) Search for a complete match of the pattern within the data Parameters data:byte[] The data in which to search for. The data may be arbitrary binary data, but the pattern will always be `StandardCharsets#US_ASCII` encoded. offset:int The offset within the data to start the search length:int The length of the data to search Returns:int The index within the data array at which the first instance of the pattern or -1 if not found

public int match(byte[] data, int offset, int length)

Search for a complete match of the pattern within the data

Parameters

data:byte[]: The data in which to search for. The data may be arbitrary binary data, but the pattern will always be StandardCharsets#US_ASCII encoded.
offset:int: The offset within the data to start the search
length:int: The length of the data to search

Returns:int

The index within the data array at which the first instance of the pattern or -1 if not found

match back to summary

match	back to summary
public int match(ByteBuffer buffer) Searches for a full match of the pattern in the `ByteBuffer`. The `ByteBuffer` may contain arbitrary binary data, but the pattern will always be `StandardCharsets#US_ASCII` encoded. The position and limit of the `ByteBuffer` are not changed. Parameters buffer:ByteBuffer the `ByteBuffer` to search into Returns:int the number of bytes after the buffer's position at which the full pattern was found, or -1 if the full pattern was not found

public int match(ByteBuffer buffer)

Searches for a full match of the pattern in the ByteBuffer.

The ByteBuffer may contain arbitrary binary data, but the pattern will always be StandardCharsets#US_ASCII encoded.

The position and limit of the ByteBuffer are not changed.

Parameters

buffer:ByteBuffer: the ByteBuffer to search into

Returns:int

the number of bytes after the buffer's position at which the full pattern was found, or -1 if the full pattern was not found

startsWith back to summary

startsWith	back to summary
public int startsWith(byte[] data, int offset, int length, int matched) Search for a possibly partial match of the pattern at the start of the data. Parameters data:byte[] The data in which to search for. The data may be arbitrary binary data, but the pattern will always be `StandardCharsets#US_ASCII` encoded. offset:int The offset within the data to start the search length:int The length of the data to search matched:int The length of the partial pattern already matched Returns:int the length of the partial pattern matched and 0 for no match.

public int startsWith(byte[] data, int offset, int length, int matched)

Search for a possibly partial match of the pattern at the start of the data.

Parameters

data:byte[]: The data in which to search for. The data may be arbitrary binary data, but the pattern will always be StandardCharsets#US_ASCII encoded.
offset:int: The offset within the data to start the search
length:int: The length of the data to search
matched:int: The length of the partial pattern already matched

Returns:int

the length of the partial pattern matched and 0 for no match.

startsWith back to summary

startsWith	back to summary
public int startsWith(ByteBuffer buffer, int matched) Searches for a partial match of the pattern at the beginning of the `ByteBuffer`. The `ByteBuffer` may contain arbitrary binary data, but the pattern will always be `StandardCharsets#US_ASCII` encoded. The position and limit of the `ByteBuffer` are not changed. Parameters buffer:ByteBuffer the `ByteBuffer` to search into matched:int how many bytes of the pattern were already matched Returns:int how many bytes of the pattern were matched (including those already matched) at the beginning of the `ByteBuffer`, or 0 for no match

public int startsWith(ByteBuffer buffer, int matched)

Searches for a partial match of the pattern at the beginning of the ByteBuffer.

The ByteBuffer may contain arbitrary binary data, but the pattern will always be StandardCharsets#US_ASCII encoded.

The position and limit of the ByteBuffer are not changed.

Parameters

buffer:ByteBuffer: the ByteBuffer to search into
matched:int: how many bytes of the pattern were already matched

Returns:int

how many bytes of the pattern were matched (including those already matched) at the beginning of the ByteBuffer, or 0 for no match

validateArgs back to summary

validateArgs	back to summary
private void validateArgs(byte[] data, int offset, int length) Performs legality checks for standard arguments input into SearchPattern methods. Parameters data:byte[] The data in which to search for. The data may be arbitrary binary data, but the pattern will always be `StandardCharsets#US_ASCII` encoded. offset:int The offset within the data to start the search length:int The length of the data to search

private void validateArgs(byte[] data, int offset, int length)

Performs legality checks for standard arguments input into SearchPattern methods.

Parameters

data:byte[]: The data in which to search for. The data may be arbitrary binary data, but the pattern will always be StandardCharsets#US_ASCII encoded.
offset:int: The offset within the data to start the search
length:int: The length of the data to search

public Class SearchPattern

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