org.apache.james.ai.classic.TokenCollector Maven / Gradle / Ivy

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package org.apache.james.ai.classic;

import java.io.IOException;
import java.io.Reader;
import java.util.Collection;

/**
 * Collects tokens.
 */
public class TokenCollector extends Tokenizer {

    /** Stores collected tokens */
    private final Collection tokens;
 
    
    /**
     * Constructs a collector which collects tokens
     * into the given collection.
     * @param tokens not null
     */
    public TokenCollector(Collection tokens) {
        super();
        this.tokens = tokens;
    }
    
    /**
     * Collects tokens from stream.
     * @param stream not null
     * @return this, not null
     * @throws IOException
     */
    public TokenCollector collect(final Reader stream) throws IOException {
        doTokenize(stream);
        return this;
    }
 
    /**
     * Adds the token to the collection.
     */
    @Override
    protected void next(String token) {
        tokens.add(token);
    }
}