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1
20
21 package net.innig.macker.event;
22
23 import net.innig.macker.rule.RuleSet;
24 import net.innig.macker.rule.RuleSeverity;
25
26 import java.io.Writer  ;
27 import java.io.PrintWriter ;
28 import java.io.OutputStream ;
29 import java.util.*;
30 import net.innig.collect.MultiMap;
31 import net.innig.collect.CompositeMultiMap;
32
33 public class PrintingListener
34 implements MackerEventListener
35 {
36 public PrintingListener(PrintWriter out)
37 { this.out = out; }
38
39 public PrintingListener(Writer out)
40 { this.out = new PrintWriter (out, true); }
41
42 public PrintingListener(OutputStream out)
43 { this.out = new PrintWriter (out, true); }
44
45 public void setThreshold(RuleSeverity threshold)
46 { this.threshold = threshold; }
47
48 public void setMaxMessages(int maxMessages)
49 { this.maxMessages = maxMessages; }
50
51 public void mackerStarted(RuleSet ruleSet)
52 {
53 if(ruleSet.getParent() == null || ruleSet.hasName())
54 {
55 out.println();
56 out.println("(Checking ruleset: " + ruleSet.getName() + " ...)");
57 first = true;
58 }
59 }
60
61 public void mackerFinished(RuleSet ruleSet)
62 throws MackerIsMadException
63 { }
64
65 public void mackerAborted(RuleSet ruleSet)
66 { }
68 public void handleMackerEvent(RuleSet ruleSet, MackerEvent event)
69 throws MackerIsMadException
70 {
71 if(event instanceof ForEachEvent)
72 {
73 if(event instanceof ForEachIterationStarted)
74 {
75 ForEachIterationStarted iterStart = (ForEachIterationStarted) event;
76 out.print('(');
77 out.print(iterStart.getForEach().getVariableName());
78 out.print(": ");
79 out.print(iterStart.getVariableValue());
80 out.println(")");
81 }
82 }
84 else
85 {
86 eventsBySeverity.put(event.getRule().getSeverity(), event);
87 if(event.getRule().getSeverity().compareTo(threshold) >= 0)
88 {
89 if(messagesPrinted < maxMessages)
90 {
91 if(first)
92 {
93 out.println();
94 first = false;
95 }
96 out.println(event.toStringVerbose());
97 }
98 if(messagesPrinted == maxMessages)
99 out.println("WARNING: Exceeded the limit of " + maxMessages + " message"
100 + (maxMessages==1 ? "" : "s") + "; further messages surpressed");
101 messagesPrinted++;
102 }
103
104 }
105 }
106
107 public void printSummary()
108 {
109 boolean firstSeverity = true;
111 List severities = new ArrayList(eventsBySeverity.keySet());
112 Collections.reverse(severities);
113 for(Iterator i = severities.iterator(); i.hasNext(); )
114 {
115 RuleSeverity severity = (RuleSeverity) i.next();
116 Collection eventsForSev = eventsBySeverity.get(severity);
117 if(eventsForSev.size() > 0)
118 {
119 if(firstSeverity)
120 out.print("(");
121 else
122 out.print(", ");
123 firstSeverity = false;
124 out.print(eventsForSev.size());
125 out.print(' ');
126 out.print((eventsForSev.size() == 1)
127 ? severity.getName()
128 : severity.getNamePlural());
129 }
130 }
131 if(!firstSeverity)
132 out.println(')');
133 }
134
135 public String toString()
136 { return "PrintingListener"; }
137
138 private boolean first;
139 private PrintWriter out;
140 private int maxMessages = Integer.MAX_VALUE, messagesPrinted = 0;
141 private RuleSeverity threshold = RuleSeverity.INFO;
142 private final MultiMap eventsBySeverity = new CompositeMultiMap(TreeMap.class, HashSet.class);
143 }
144
145 |
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