Source Code Cross Referenced for JMapReader.java in  » IDE » tIDE » tide » profiler » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE » tIDE » tide.profiler 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package tide.profiler;
002:
003:        import java.text.DecimalFormat;
004:        import snow.sortabletable.*;
005:        import tide.utils.SyntaxUtils;
006:        import tide.editor.MainEditorFrame;
007:        import java.io.InputStream;
008:        import java.io.BufferedReader;
009:        import java.io.InputStreamReader;
010:        import snow.utils.*;
011:        import java.util.*;
012:
013:        public final class JMapReader extends FineGrainTableModel {
014:
015:            private int numberOfDiffs = 0;
016:            private String[] COLUMN_NAMES = new String[] { "no", "instances",
017:                    "bytes", "class name" };
018:            private int[] COLUMN_PREFERED_SIZES = new int[] { 4, 4, 6, 45 };
019:
020:            final private List<MapLine> map = new ArrayList<MapLine>();
021:            boolean startCapture = false;
022:            String totalLine = "";
023:
024:            public JMapReader(Process proc) {
025:                Gobbler sg = new Gobbler(proc.getInputStream());
026:                sg.start();
027:
028:                StreamGobbler sgerr = new StreamGobbler(
029:                        proc.getErrorStream(),
030:                        MainEditorFrame.instance.outputPanels.toolsOutputPanel.doc
031:                                .createWriterForThisDocument(true), "JMap");
032:                sgerr.start(); //[Dec2007]: fINDBUGS FOUND THIS missing !
033:            }
034:
035:            public void addDiffAnalysis(JMapReader newShot) {
036:                this .fireTableModelWillChange();
037:
038:                System.out.println("previous: " + map.size());
039:                System.out.println("actual: " + newShot.map.size());
040:
041:                // buld some quick dic and mark the elt as not visited
042:                Map<String, MapLine> quickRef = new HashMap<String, MapLine>();
043:                for (MapLine ml : map) {
044:                    quickRef.put(ml.className, ml);
045:                    ml.visited = false;
046:                }
047:
048:                int newCount = 0;
049:                int oldCount = 0;
050:
051:                for (MapLine newMl : newShot.map) {
052:                    MapLine ml = quickRef.get(newMl.className);
053:                    if (ml != null) {
054:                        ml.update(newMl);
055:                        ml.visited = true;
056:                    } else {
057:                        // new !
058:                        ml = MapLine.newlyAppears(newMl, numberOfDiffs);
059:                        map.add(ml);
060:                        ml.visited = true;
061:                        newCount++;
062:                    }
063:                }
064:
065:                // look for disapeared...
066:                for (MapLine ml : map) {
067:                    if (!ml.visited) {
068:                        ml.disapears();
069:                        oldCount++;
070:                    }
071:                }
072:
073:                System.out.println("new " + newCount + ", old: " + oldCount);
074:
075:                numberOfDiffs++;
076:
077:                update();
078:
079:                // clear intermediate data
080:                quickRef.clear();
081:                newShot.terminate();
082:
083:            }
084:
085:            public void deleteCol() {
086:                if (numberOfDiffs == 0)
087:                    return;
088:                numberOfDiffs--;
089:                this .fireTableModelWillChange();
090:                for (MapLine ml : map) {
091:                    ml.diffs.remove(numberOfDiffs); //(int)
092:                }
093:
094:                update();
095:            }
096:
097:            public void addLine(String line) {
098:                if (startCapture) {
099:                    if (line.startsWith("Total")) {
100:                        totalLine = line;
101:                    } else {
102:                        try {
103:                            map.add(MapLine.parse(line));
104:                        } catch (Exception e) {
105:                            System.out.println("Can't parse jmap: " + line);
106:                            MainEditorFrame.instance.outputPanels.toolsOutputPanel.doc
107:                                    .appendErrorLine(line);
108:                        }
109:                    }
110:                } else {
111:                    startCapture = line.startsWith("----");
112:                }
113:            }
114:
115:            @Override
116:            public void terminate() {
117:                map.clear();
118:            }
119:
120:            class Gobbler extends Thread {
121:                final InputStream inputStream;
122:
123:                Gobbler(InputStream inputStream) {
124:                    this .inputStream = inputStream;
125:                }
126:
127:                @Override
128:                public void run() {
129:                    try {
130:                        final InputStreamReader isr = new InputStreamReader(
131:                                this .inputStream);
132:                        final BufferedReader br = new BufferedReader(isr);
133:
134:                        String line;
135:                        while ((line = br.readLine()) != null) {
136:                            addLine(line);
137:                        }
138:
139:                        System.out.println("JMapReader: " + map.size()
140:                                + " lines read: " + totalLine);
141:                    } catch (Exception e) {
142:                        e.printStackTrace();
143:                    }
144:                }
145:            }
146:
147:            // Table model
148:            //
149:            public int getRowCount() {
150:                return map.size();
151:            }
152:
153:            public int getColumnCount() {
154:                return COLUMN_NAMES.length + numberOfDiffs;
155:            }
156:
157:            public Object getValueAt(int row, int col) {
158:                if (row < 0)
159:                    return "bad row:" + row;
160:                if (row >= map.size())
161:                    return "bad row:" + row;
162:
163:                MapLine ml = map.get(row);
164:                if (col == 0)
165:                    return ml.no;
166:                if (col == 1)
167:                    return ml.instances;
168:                if (col == 2)
169:                    return formatSize(ml.bytes);
170:                if (col == 3)
171:                    return ml.className;
172:                int d = col - 4;
173:                if (d < ml.diffs.size())
174:                    return ml.diffs.get(d);
175:                return "?";
176:            }
177:
178:            @Override
179:            public int compareForColumnSort(int pos1, int pos2, int col) {
180:                if (col == 2) {
181:                    MapLine ml1 = map.get(pos1);
182:                    MapLine ml2 = map.get(pos2);
183:                    return Integer.valueOf(ml1.bytes).compareTo(ml2.bytes);
184:                }
185:                return super .compareForColumnSort(pos1, pos2, col);
186:            }
187:
188:            public void update() {
189:                fireTableDataChanged();
190:                fireTableModelHasChanged();
191:            }
192:
193:            static DecimalFormat format00 = new DecimalFormat("0.0");
194:
195:            public static String formatSize(long s) {
196:                if (s > 1e9) {
197:                    return format00.format(s / 1.0e9) + " GB";
198:                }
199:                if (s > 1e6) {
200:                    return format00.format(s / 1.0e6) + " MB";
201:                } else if (s > 1e3) {
202:                    return format00.format(s / 1.0e3) + " kB";
203:                } else {
204:                    return s + " B";
205:                }
206:            }
207:
208:            @Override
209:            public String getColumnName(int column) {
210:                if (column >= 0 && column < COLUMN_NAMES.length)
211:                    return COLUMN_NAMES[column];
212:                return "inst diff " + (column - COLUMN_NAMES.length + 1);
213:            }
214:
215:            @Override
216:            public int getPreferredColumnWidth(int column) {
217:                if (column >= 0 && column < COLUMN_PREFERED_SIZES.length)
218:                    return COLUMN_PREFERED_SIZES[column];
219:                return 4;
220:            }
221:
222:            static class MapLine {
223:                int no, instances, bytes;
224:                String className;
225:                List<Integer> diffs = new ArrayList<Integer>();
226:                boolean visited = false;
227:
228:                static MapLine newlyAppears(MapLine na, int numberOfDiffs) {
229:                    MapLine ml = new MapLine();
230:                    ml.no = na.no;
231:                    ml.instances = na.instances;
232:                    ml.bytes = na.bytes;
233:                    ml.className = na.className;
234:                    for (int i = 0; i < numberOfDiffs; i++) // fill old data
235:                    {
236:                        ml.diffs.add(0);
237:                    }
238:                    ml.diffs.add(na.instances);
239:                    return ml;
240:                }
241:
242:                void disapears() {
243:                    int oldInst = instances;
244:                    instances = 0;
245:                    bytes = 0;
246:                    diffs.add(-instances);
247:                }
248:
249:                void update(MapLine na) {
250:                    int diffI = na.instances - instances;
251:                    no = na.no;
252:                    instances = na.instances;
253:                    bytes = na.bytes;
254:                    //same !className = na.className;
255:                    diffs.add(diffI);
256:
257:                }
258:
259:                /**
260:                 *  123:       205        6560  java.awt.GradientPaint
261:                 */
262:                static MapLine parse(String line) {
263:                    MapLine ml = new MapLine();
264:                    Scanner sc = new Scanner(line);
265:                    String l1 = sc.next().trim();
266:                    if (l1.endsWith(":"))
267:                        l1 = l1.substring(0, l1.length() - 1);
268:                    ml.no = Integer.parseInt(l1);
269:                    l1 = sc.next().trim();
270:                    ml.instances = Integer.parseInt(l1);
271:                    l1 = sc.next().trim();
272:                    ml.bytes = Integer.parseInt(l1);
273:                    ml.className = SyntaxUtils.convertVmNameToFullJavaNames(sc
274:                            .next().trim());
275:                    // convert "[C" to "char[]", ...
276:
277:                    return ml;
278:                }
279:            }
280:        }
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