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1
4 package com.tctest.performance.results;
5
6 import com.tctest.performance.generate.load.Measurement;
7
8 import java.io.BufferedReader  ;
9 import java.io.File ;
10 import java.io.FileNotFoundException ;
11 import java.io.FileReader ;
12 import java.io.IOException ;
13 import java.io.PrintWriter ;
14 import java.io.UnsupportedEncodingException ;
15 import java.util.ArrayList ;
16 import java.util.Date ;
17 import java.util.List ;
18
19 public final class PerformanceMeasurementMarshaller {
20
21 private static final String HEADER_TAG = "**%% HEADER %%**";
22 private static final String DATA_TAG = "**%% DATA %%**";
23
24 public static void marshall(List measurementList, Header rawHeader, File file, String [] lineDescriptions)
25 throws IOException {
26
27 if (rawHeader == null) throw new NullPointerException ();
28 if (lineDescriptions == null) throw new NullPointerException ();
29 if (measurementList == null) throw new NullPointerException ();
30 if (!(measurementList.get(0) instanceof Measurement[])) throw new IllegalArgumentException ();
31 if (!(measurementList.size() == lineDescriptions.length)) throw new IllegalArgumentException ();
32 Header header = rawHeader.copy();
33
34 PrintWriter out = new PrintWriter (file);
35 out.println(new Date (System.currentTimeMillis()));
36 out.println(PerformanceMeasurementMarshaller.class.getName());
37 out.println(HEADER_TAG);
38 out.println("title=" + header.title);
39 out.println("duration=" + header.duration);
40 out.println("xLabel=" + header.xLabel);
41 out.println("yLabel=" + header.yLabel);
42
43 for (int i = 0; i < measurementList.size(); i++) {
44 out.println(DATA_TAG);
45 out.println(lineDescriptions[i]);
46 out.println("\"x\", \"y\"");
47 Measurement[] measurements = (Measurement[]) measurementList.get(i);
48 int size = measurements.length;
49 for (int j = 0; j < size; j++) {
50 if (measurements[j] == null) continue;
52 out.println(measurements[j].x + ", " + measurements[j].y);
53 }
54 }
55 out.flush();
56 out.close();
57 }
58
59 public static Statistics deMarshall(File file) throws UnsupportedEncodingException , FileNotFoundException ,
60 IOException {
61
62 Statistics stats = new PerformanceMeasurementMarshaller().new Statistics();
63 List lineDescriptions = new ArrayList ();
64 BufferedReader reader = new BufferedReader (new FileReader (file));
65 reader.readLine(); if (!reader.readLine().equals(PerformanceMeasurementMarshaller.class.getName())) throw new UnsupportedEncodingException ();
67
68 if (reader.readLine().equals(HEADER_TAG)) {
69 Header header = createHeader();
70 header.title = reader.readLine().trim().split("=")[1];
71 header.duration = Integer.valueOf(reader.readLine().trim().split("=")[1]).intValue();
72 header.xLabel = reader.readLine().trim().split("=")[1];
73 header.yLabel = reader.readLine().trim().split("=")[1];
74 stats.header = header;
75 }
76
77 if (reader.readLine().equals(DATA_TAG)) {
78 lineDescriptions.add(reader.readLine()); reader.readLine(); List datasets = new ArrayList ();
81 List lines = new ArrayList ();
82 datasets.add(lines);
83 String line;
84 while ((line = reader.readLine()) != null) {
85 if (line.equals(DATA_TAG)) {
86 lines = new ArrayList ();
87 datasets.add(lines);
88 lineDescriptions.add(reader.readLine()); reader.readLine(); continue;
91 }
92 lines.add(line);
93 }
94
95 List measurementList = new ArrayList ();
96 List data;
97 Measurement[] measurements;
98 for (int i = 0; i < datasets.size(); i++) {
99 data = (List ) datasets.get(i);
100 int size = data.size();
101 measurements = new Measurement[size];
102 for (int j = 0; j < size; j++) {
103 String [] parts = ((String ) data.get(j)).split(", ");
104 measurements[j] = new Measurement(Long.parseLong(parts[0]), Long.parseLong(parts[1]));
105 }
106 measurementList.add(measurements);
107 }
108 stats.measurements = measurementList;
109 stats.lineDescriptions = (String []) lineDescriptions.toArray(new String [0]);
110 }
111 return stats;
112 }
113
114 public static PerformanceMeasurementMarshaller.Header createHeader() {
115 return new PerformanceMeasurementMarshaller().new Header();
116 }
117
118 public class Header {
119 public String title;
120 public String xLabel;
121 public String yLabel;
122 public int duration;
123
124 private Header copy() {
125 Header newHeader = new Header();
126 newHeader.title = title;
127 newHeader.xLabel = xLabel;
128 newHeader.yLabel = yLabel;
129 newHeader.duration = duration;
130 return newHeader;
131 }
132 }
133
134 public class Statistics {
135 public List measurements;
136 public String [] lineDescriptions;
137 public Header header;
138 }
139 }
140 |
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