net.sf.eos.analyzer
Class AbstractToken

java.lang.Object
  net.sf.eos.analyzer.AbstractToken

All Implemented Interfaces:

Token, Metadata

public abstract class AbstractToken
extends Object
implements Token

Simple implementation for reuse.

Author:

Sascha Kohlmann

Field Summary

Fields inherited from interface net.sf.eos.analyzer.Token

DEFAULT_TYPE

Constructor Summary

AbstractToken(CharSequence tokenSequence)
Creates a new token for the given sequence.

AbstractToken(CharSequence tokenSequence, Map<String,List<String>> metadata)

AbstractToken(CharSequence tokenSequence, String type)

AbstractToken(CharSequence tokenSequence, String type, Map<String,List<String>> metadata)
Creates a new token for the given sequence for a special type.

AbstractToken(Token t)
Copy constuctor.

Method Summary

Map<String,List<String>>	getMeta() Returns simple metadata.
CharSequence	getTokenText() Returns the text of a token.
String	getType() Returns the type of the token.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractToken

public AbstractToken(CharSequence tokenSequence)

Creates a new token for the given sequence. getType() returns the Token.DEFAULT_TYPE.

Parameters:

tokenSequence - the char sequence of the token. May not be null.

Throws:

IllegalArgumentException - if tokenSequence is null

AbstractToken

public AbstractToken(CharSequence tokenSequence,
                     Map<String,List<String>> metadata)

AbstractToken

public AbstractToken(CharSequence tokenSequence,
                     String type)

AbstractToken

public AbstractToken(Token t)

Copy constuctor.

Parameters:

t - the token to copy.

AbstractToken

public AbstractToken(CharSequence tokenSequence,
                     String type,
                     Map<String,List<String>> metadata)

Creates a new token for the given sequence for a special type.

Parameters:

tokenSequence - the char sequence of the token. May not be null.

type - the type of the token. May not be null.

Throws:

IllegalArgumentException - if tokenSequence or type are null

Method Detail

getTokenText

public CharSequence getTokenText()

Description copied from interface: Token

Returns the text of a token. The text may be a single word or a sequence of words, e.g. a sentence.

Specified by:

getTokenText in interface Token

Returns:

the character sequence of the token

See Also:

Token.getTokenText()

getType

public String getType()

Description copied from interface: Token

Returns the type of the token.

Specified by:

getType in interface Token

Returns:

the type of a token.

See Also:

Token.getType()

getMeta

public Map<String,List<String>> getMeta()

Description copied from interface: Metadata

Returns simple metadata. The content of the metadata depends on the implementation.

Specified by:

getMeta in interface Metadata

Returns:

implementation dependend metadata. Maybe null.

See Also:

Metadata.getMeta()

toString

public String toString()

Overrides:

toString in class Object