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13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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15  * accompanied this code).
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25 
26 package sun.tools.jstat;
27 
28 import java.util.*;
29 import sun.jvmstat.monitor.MonitorException;
30 
31 /**
32  * A class for describing the output format specified by a command
33  * line option that was parsed from an option description file.
34  *
35  * @author Brian Doherty
36  * @since 1.5
37  */
38 public class OptionFormat {
39     protected String name;
40     protected List<OptionFormat> children;
41 
OptionFormat(String name)42     public OptionFormat(String name) {
43         this.name = name;
44         this.children = new ArrayList<OptionFormat>();
45     }
46 
equals(Object o)47     public boolean equals(Object o) {
48         if (o == this) {
49             return true;
50         }
51         if (!(o instanceof OptionFormat)) {
52             return false;
53         }
54         OptionFormat of = (OptionFormat)o;
55         return (this.name.compareTo(of.name) == 0);
56     }
57 
hashCode()58     public int hashCode() {
59       return name.hashCode();
60     }
61 
addSubFormat(OptionFormat f)62     public void addSubFormat(OptionFormat f) {
63         children.add(f);
64     }
65 
getSubFormat(int index)66     public OptionFormat getSubFormat(int index) {
67         return children.get(index);
68     }
69 
insertSubFormat(int index, OptionFormat f)70     public void insertSubFormat(int index, OptionFormat f) {
71         children.add(index, f);
72     }
73 
getName()74     public String getName() {
75         return name;
76     }
77 
apply(Closure c)78     public void apply(Closure c) throws MonitorException {
79 
80       for (Iterator<OptionFormat> i = children.iterator(); i.hasNext(); /* empty */) {
81           OptionFormat o = i.next();
82           c.visit(o, i.hasNext());
83       }
84 
85       for (Iterator <OptionFormat>i = children.iterator(); i.hasNext(); /* empty */) {
86           OptionFormat o = i.next();
87           o.apply(c);
88       }
89     }
90 
printFormat()91     public void printFormat() {
92         printFormat(0);
93     }
94 
printFormat(int indentLevel)95     public void printFormat(int indentLevel) {
96         String indentAmount = "  ";
97         StringBuilder indent = new StringBuilder("");
98 
99         for (int j = 0; j < indentLevel; j++) {
100             indent.append(indentAmount);
101         }
102         System.out.println(indent + name + " {");
103 
104         // iterate over all children and call their printFormat() methods
105         for (OptionFormat of : children) {
106             of.printFormat(indentLevel+1);
107         }
108         System.out.println(indent + "}");
109     }
110 }
111