baserulename.java

It is the Speech recognition software. It is platform independent. To execute the source code,

/**
 * Copyright 1998-2003 Sun Microsystems, Inc.
 * 
 * See the file "license.terms" for information on usage and
 * redistribution of this file, and for a DISCLAIMER OF ALL 
 * WARRANTIES.
 */
package com.sun.speech.engine.recognition;

import javax.speech.recognition.*;

/**
 * Simple extension of RuleName to store hidden resolved rulename.
 * 
 * @version 1.3 11/25/98 16:51:14
 */
public class BaseRuleName extends RuleName {

    public BaseRuleName() {
        super();
    }

    public BaseRuleName(String name) {
        super(name);
    }

    /**
     * Fully-qualified rulename generated by linkGrammars method.
     */
    public String resolvedRuleName;

    /**
     * Override clone to copy resolvedRuleName as well.
     */
    public Rule copy() {
        BaseRuleName rn = new BaseRuleName(getRuleName());
        rn.resolvedRuleName = resolvedRuleName;
        return rn;
    }

    /**
     * Copy the input rule object but change all instances of a 
     * RuleName to a BaseRuleName.  Used by setRule method in
     * BaseRuleGrammar so there is a place to put the fully
     * resolved rule name when linking a Grammar.
     */
    public static Rule copyForBaseRuleName(Rule r) {
        if (r == null) {
            return null;
        }
        
        if (r instanceof RuleToken) {
            RuleToken rt = (RuleToken)r;
            return new RuleToken(rt.getText());
        }
        
        if (r instanceof RuleAlternatives) {
            RuleAlternatives ra = (RuleAlternatives)r;
            Rule array[] = ra.getRules();
            float[] weights = ra.getWeights();
            for(int i=0; i<array.length; i++) {
                array[i] = copyForBaseRuleName(array[i]);
            }
            return new RuleAlternatives(array, weights);
        }   
        
        if (r instanceof RuleSequence) {
            RuleSequence rs = (RuleSequence)r;
            Rule array[] = rs.getRules();
            for(int i=0; i<array.length; i++) {
                array[i] = copyForBaseRuleName(array[i]);
            }
            return new RuleSequence(array);
        }
        
        if (r instanceof RuleCount) {
            RuleCount rc = (RuleCount)r;
            return new RuleCount(copyForBaseRuleName(rc.getRule()), 
                                 rc.getCount());
        }
        
        if (r instanceof RuleTag) {
            RuleTag rt = (RuleTag)r;
            return new RuleTag(copyForBaseRuleName(rt.getRule()), rt.getTag());
        }
        
        if (r instanceof RuleName) {
            RuleName rn = (RuleName)r;
            return new BaseRuleName(rn.getRuleName());
        }
        
        throw new RuntimeException("Unknown rule type");
    }
}