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package sun.tools.jstat;

import java.util.*;
import sun.jvmstat.monitor.MonitorException;

A class for describing the output format specified by a command line option that was parsed from an option description file.
Author:Brian Doherty
Since:1.5
/** * A class for describing the output format specified by a command * line option that was parsed from an option description file. * * @author Brian Doherty * @since 1.5 */
public class OptionFormat { protected String name; protected List<OptionFormat> children; public OptionFormat(String name) { this.name = name; this.children = new ArrayList<OptionFormat>(); } public boolean equals(Object o) { if (o == this) { return true; } if (!(o instanceof OptionFormat)) { return false; } OptionFormat of = (OptionFormat)o; return (this.name.compareTo(of.name) == 0); } public int hashCode() { return name.hashCode(); } public void addSubFormat(OptionFormat f) { children.add(f); } public OptionFormat getSubFormat(int index) { return children.get(index); } public void insertSubFormat(int index, OptionFormat f) { children.add(index, f); } public String getName() { return name; } public void apply(Closure c) throws MonitorException { for (Iterator i = children.iterator(); i.hasNext(); /* empty */) { OptionFormat o = (OptionFormat)i.next(); c.visit(o, i.hasNext()); } for (Iterator i = children.iterator(); i.hasNext(); /* empty */) { OptionFormat o = (OptionFormat)i.next(); o.apply(c); } } public void printFormat() { printFormat(0); } public void printFormat(int indentLevel) { String indentAmount = " "; StringBuilder indent = new StringBuilder(""); for (int j = 0; j < indentLevel; j++) { indent.append(indentAmount); } System.out.println(indent + name + " {"); // iterate over all children and call their printFormat() methods for (OptionFormat of : children) { of.printFormat(indentLevel+1); } System.out.println(indent + "}"); } }