Token.java

package de.skuzzle.polly.core.parser;

import java.io.Serializable;
import java.util.Date;

import de.skuzzle.polly.tools.EqualsHelper;
import de.skuzzle.polly.tools.Equatable;


public class Token implements Serializable, Equatable, Location {
    
    private static final long serialVersionUID = 1L;
    
    private TokenType type;
    private Position position;
    private String stringValue;
    private double floatValue;
    private Date dateValue;
    private long longValue;
    
    
    
    public Token(TokenType type, Position position) {
        this.type = type;
        this.position = position;
        this.stringValue = ""; //$NON-NLS-1$
        this.dateValue = new Date();
    }
    
    
    
    public Token(TokenType type, Position position, String stringValue) {
        this(type, position);
        this.stringValue = stringValue;
        this.dateValue = new Date();
    }
    
    
    
    public Token(TokenType type, Position position, Date dateValue) {
        this(type, position);
        this.stringValue = dateValue.toString();
        this.dateValue = dateValue;
    }
    
    
    
    public Token(TokenType type, Position position, double floatValue) {
        this(type, position);
        this.stringValue = Double.toString(floatValue);
        this.floatValue = floatValue;
        this.dateValue = new Date();
    }
    
    
    
    public Token(TokenType type, Position position, long longValue) {
        this(type, position);
        this.longValue = longValue;
        this.dateValue = new Date();
    }

    
    
    public TokenType getType() {
        return this.type;
    }
    
    
    
    public String getStringValue() {
        return this.stringValue;
    }
    
    
    
    public double getFloatValue() {
        return this.floatValue;
    }
    
    
    
    public Date getDateValue() {
        return this.dateValue;
    }
   
    
    
    public long getLongValue() {
        return this.longValue;
    }
    
    
    
    @Override
    public Position getPosition() {
        return this.position;
    }
    
    
    
    public boolean matches(Token t) {
        return this.getType() == t.getType();
    }
    
    
    
    public boolean matches(TokenType t) {
        return this.getType() == t;
    }
    
    
    
    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result
            + ((this.position == null) ? 0 : this.position.hashCode());
        result = prime * result + ((this.type == null) ? 0 : this.type.hashCode());
        return result;
    }



    @Override
    public final boolean equals(Object o) {
        return EqualsHelper.testEquality(this, o);
    }
    


    @Override
    public Class<?> getEquivalenceClass() {
        return Token.class;
    }
    
    
    
    @Override
    public boolean actualEquals(Equatable o) {
        final Token other = (Token) o;
        return this.type == other.type && this.position.equals(other.position);
    }
    
    
    
    public String toString(boolean printPosition, boolean printValue) {
        StringBuilder result = new StringBuilder(15);
        String value = this.stringValue;
        switch (this.type) {
            case DATETIME:
                value = this.dateValue.toString();
                break;
            case NUMBER:
                value = "" + this.floatValue; //$NON-NLS-1$
                break;
            default:    
        }
        
        result.append(this.type.toString());
        
        if (printValue) {
            result.append("("); //$NON-NLS-1$
            result.append(value);
            result.append(")"); //$NON-NLS-1$
        }
        
        if (printPosition) {
            result.append(" @ "); //$NON-NLS-1$
            result.append(this.position.toString());
        }
        return result.toString();
        /*return this.type.toString() + "(" + value + ") @ " 
                + this.position.toString();*/
    }
    
    
    
    @Override
    public String toString() {
        return this.toString(true, false);
    }
}