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package sun.tools.jstat;

import java.io.StreamTokenizer;

A class for encapsulating tokens returned from StreamTokenizer primarily for output formatting purposes.
Author:Brian Doherty
Since:1.5
/** * A class for encapsulating tokens returned from StreamTokenizer primarily * for output formatting purposes. * * @author Brian Doherty * @since 1.5 */
public class Token { public String sval; public double nval; public int ttype; public Token(int ttype, String sval, double nval) { this.ttype = ttype; this.sval = sval; this.nval = nval; } public Token(int ttype, String sval) { this(ttype, sval, 0); } public Token(int ttype) { this(ttype, null, 0); } public String toMessage() { switch(ttype) { case StreamTokenizer.TT_EOL: return "\"EOL\""; case StreamTokenizer.TT_EOF: return "\"EOF\""; case StreamTokenizer.TT_NUMBER: return "NUMBER"; case StreamTokenizer.TT_WORD: if (sval == null) { return "IDENTIFIER"; } else { return "IDENTIFIER " + sval; } default: if (ttype == (int)'"') { String msg = "QUOTED STRING"; if (sval != null) msg = msg + " \"" + sval + "\""; return msg; } else { return "CHARACTER \'" + (char)ttype + "\'"; } } } public String toString() { StringBuilder sb = new StringBuilder(); switch(ttype) { case StreamTokenizer.TT_EOL: sb.append("ttype=TT_EOL"); break; case StreamTokenizer.TT_EOF: sb.append("ttype=TT_EOF"); break; case StreamTokenizer.TT_NUMBER: sb.append("ttype=TT_NUM,").append("nval="+nval); break; case StreamTokenizer.TT_WORD: if (sval == null) { sb.append("ttype=TT_WORD:IDENTIFIER"); } else { sb.append("ttype=TT_WORD:").append("sval="+sval); } break; default: if (ttype == (int)'"') { sb.append("ttype=TT_STRING:").append("sval="+sval); } else { sb.append("ttype=TT_CHAR:").append((char)ttype); } break; } return sb.toString(); } }