Java tutorial
/******************************************************************************* * Copyright 2011 Krzysztof Otrebski * <p> * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * <p> * http://www.apache.org/licenses/LICENSE-2.0 * <p> * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. ******************************************************************************/ package pl.otros.logview.api.gui; import com.google.common.base.Joiner; import org.apache.commons.lang.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import pl.otros.logview.api.AcceptCondition; import pl.otros.logview.api.NoteObserver; import pl.otros.logview.api.TableColumns; import pl.otros.logview.api.gui.NoteEvent.EventType; import pl.otros.logview.api.model.*; import pl.otros.logview.api.store.CachedLogStore; import pl.otros.logview.api.store.MemoryLogDataStore; import pl.otros.logview.api.store.SynchronizedLogDataStore; import pl.otros.logview.api.store.file.FileLogDataStore; import javax.swing.table.AbstractTableModel; import java.io.IOException; import java.io.Serializable; import java.util.*; import java.util.logging.Level; public class LogDataTableModel extends AbstractTableModel implements LogDataCollector, MarkableTableModel, NotableTableModel { private static final String EMPTY_STRING = ""; private static final Logger LOGGER = LoggerFactory.getLogger(LogDataTableModel.class.getName()); private static final LogData EMPTY_LOG_DATA = new LogData(); private static final Note EMPTY_NOTE = new Note(""); private final Set<NoteObserver> noteObservers; private LogDataStore logDataStore; private final Map<String, ClassWrapper> classWrapperCache; public LogDataTableModel() { classWrapperCache = new HashMap<>(100); String cached = System.getProperty("cacheEvents"); if (StringUtils.equalsIgnoreCase(cached, "true")) { try { LOGGER.info("Trying to use cache log store"); logDataStore = new CachedLogStore(new FileLogDataStore()); } catch (IOException e) { LOGGER.error("Can't create cached log store: " + e.getMessage()); } } if (logDataStore == null) { logDataStore = new MemoryLogDataStore(); } logDataStore = new SynchronizedLogDataStore(logDataStore); EMPTY_LOG_DATA.setId(Integer.MAX_VALUE); EMPTY_LOG_DATA.setDate(new Date(0)); EMPTY_LOG_DATA.setMessage("----- Out of bounds ------"); EMPTY_LOG_DATA.setLevel(Level.SEVERE); noteObservers = new HashSet<>(); } public String getColumnName(int column) { return TableColumns.getColumnById(column).getName(); } public int getColumnCount() { return TableColumns.values().length; } public int getRowCount() { return logDataStore.getCount(); } public Object getValueAt(int rowIndex, int columnIndex) { LogData ld = getLogData(rowIndex); if (ld == null) { System.err.println("LogDataTableModel.getValueAt() null form row " + rowIndex); dumpInfo(); } Object result = null; TableColumns selectColumn = TableColumns.getColumnById(columnIndex); assert ld != null; switch (selectColumn) { case ID: result = ld.getId(); break; case TIME: result = ld.getDate(); break; case DELTA: result = new TimeDelta(ld.getDate()); break; case LEVEL: result = ld.getLevel(); break; case MESSAGE: result = ld.getMessage(); break; case CLASS: String clazz = ld.getClazz(); if (!classWrapperCache.containsKey(clazz)) { classWrapperCache.put(clazz, new ClassWrapper(clazz)); } result = classWrapperCache.get(clazz); break; case METHOD: int maximumMessageLength = 2000; result = StringUtils.left(ld.getMethod(), maximumMessageLength); break; case THREAD: result = ld.getThread(); break; case MARK: result = ld.getMarkerColors(); break; case NOTE: result = ld.getNote(); if (result == null) { result = EMPTY_NOTE; } break; case FILE: result = ld.getFile(); break; case LINE: result = ld.getLine(); break; case NDC: result = ld.getNDC(); break; case PROPERTIES: result = getProperties(ld); break; case LOGGER_NAME: final String loggerName = ld.getLoggerName(); if (!classWrapperCache.containsKey(loggerName)) { classWrapperCache.put(loggerName, new ClassWrapper(loggerName)); } result = classWrapperCache.get(loggerName); break; case LOG_SOURCE: result = ld.getLogSource(); break; default: break; } return result; } private String getProperties(LogData ld) { if (ld.getProperties() != null && ld.getProperties().size() > 0) { return Joiner.on(", ").withKeyValueSeparator("=").join(ld.getProperties()); } return EMPTY_STRING; } public boolean isCellEditable(int rowIndex, int columnIndex) { return columnIndex == TableColumns.MARK.getColumn() || columnIndex == TableColumns.NOTE.getColumn(); } /* * (non-Javadoc) * * @see pl.otros.logview.gui.LogDataCollector#add(pl.otros.logview.LogData[]) */ public void add(LogData... logDatas) { if (logDatas.length == 0) { return; } for (LogData logData : logDatas) { addLogDataToTable(logData); } fireTableRowsInserted(getRowCount() - logDatas.length, getRowCount() - 1); } /* * (non-Javadoc) * * @see pl.otros.logview.gui.LogDataCollector#add(pl.otros.logview.LogData) */ public void add(LogData logData) { addLogDataToTable(logData); int rowToNotify = getRowCount() - 1; fireTableRowsInserted(rowToNotify, rowToNotify); } private void addLogDataToTable(LogData logData) { logDataStore.add(logData); } public int removeRows(AcceptCondition acceptCondition) { LOGGER.debug(String.format("Removing rows using accept condition: %s", acceptCondition.getName())); ArrayList<Integer> toDelete = new ArrayList<>(); for (int row = 0; row < logDataStore.getCount(); row++) { LogData logData = logDataStore.getLogData(row); if (acceptCondition.accept(logData)) { toDelete.add(row); } } LOGGER.debug(String.format("To remove using accept condition %s is %d rows", acceptCondition.getName(), toDelete.size())); if (toDelete.size() > 0) { int[] rows = new int[toDelete.size()]; for (int i = 0; i < rows.length; i++) { rows[i] = toDelete.get(i); } removeRows(rows); } LOGGER.debug(String.format("Using accept condition %s was removed %d rows", acceptCondition.getName(), toDelete.size())); return toDelete.size(); } protected void removeRows(int... rows) { logDataStore.remove(rows); if (rows.length > 0) { int firstRow = rows[0]; int lastRow = rows[rows.length - 1]; LOGGER.trace(String.format("Firing event fireTableRowsDeleted %d->%d", firstRow, lastRow)); fireTableRowsDeleted(firstRow, lastRow); LOGGER.trace("Firing event fireTableRowsDeleted has ended"); } } @Override public Class<?> getColumnClass(int columnIndex) { // return super.getColumnClass(columnIndex); LogData ld = list.get(rowIndex); Class<?> result; TableColumns selectedColumn = TableColumns.getColumnById(columnIndex); switch (selectedColumn) { case ID: result = Integer.class; break; case TIME: result = Date.class; break; case DELTA: result = TimeDelta.class; break; case LEVEL: result = Level.class; break; case MESSAGE: result = String.class; break; case CLASS: case LOGGER_NAME: result = ClassWrapper.class; break; case MARK: result = MarkerColors.class; break; case NOTE: result = Note.class; break; default: result = String.class; break; } return result; } public LogData getLogData(int row) { if (row < 0 || row >= logDataStore.getCount()) { return EMPTY_LOG_DATA; } return logDataStore.getLogData(row); } public LogData[] getLogData() { return logDataStore.getLogData(); } @Override public void setValueAt(Object value, int rowIndex, int columnIndex) { if (columnIndex == TableColumns.MARK.getColumn()) { MarkerColors marked = (MarkerColors) value; if (marked != null) { logDataStore.markRows(marked, rowIndex); } else { logDataStore.unmarkRows(rowIndex); } } else if (columnIndex == TableColumns.NOTE.getColumn()) { Note n = (Note) value; // logDataStore.addNoteToRow(rowIndex, n); addNoteToRow(rowIndex, n); // notable.addNoteToRow(getLogData(rowIndex).getId(), n); } fireTableRowsUpdated(rowIndex, rowIndex); } @Override public boolean isMarked(int row) { return logDataStore.isMarked(row); } @Override public MarkerColors getMarkerColors(int row) { return logDataStore.getMarkerColors(row); } @Override public void markRows(MarkerColors markerColor, int... rows) { logDataStore.markRows(markerColor, rows); if (rows.length > 0) { Arrays.sort(rows); fireTableRowsUpdated(rows[0], rows[rows.length - 1]); } } @Override public void unmarkRows(int... rows) { logDataStore.unmarkRows(rows); if (rows.length > 0) { Arrays.sort(rows); fireTableRowsUpdated(rows[0], rows[rows.length - 1]); } } @Override public void addNoteToRow(int row, Note note) { logDataStore.addNoteToRow(row, note); NoteEvent event = new NoteEvent(EventType.REMOVE, this, note, row); notifyAllNoteObservers(event); fireTableRowsUpdated(row, row); } @Override public void clearNotes() { logDataStore.clearNotes(); fireTableDataChanged(); } @Override public TreeMap<Integer, Note> getAllNotes() { return logDataStore.getAllNotes(); } @Override public Note getNote(int row) { Note n = logDataStore.getNote(row); return n != null ? n : EMPTY_NOTE; } @Override public Note removeNote(int row) { Note n = logDataStore.removeNote(row); fireTableRowsUpdated(row, row); return n; } @Override public void addNoteObserver(NoteObserver observer) { noteObservers.add(observer); } @Override public void removeAllNoteObserver() { noteObservers.clear(); } @Override public void removeNoteObserver(NoteObserver observer) { noteObservers.remove(observer); } @Override public void notifyAllNoteObservers(NoteEvent noteEvent) { for (NoteObserver observer : noteObservers) { observer.update(noteEvent); } } public Memento saveToMemento() { Memento m = new Memento(); m.dataLimit = logDataStore.getLimit(); m.list = new ArrayList<>(); m.list.addAll(Arrays.asList(logDataStore.getLogData())); m.marks = new TreeMap<>(); for (int row = 0; row < logDataStore.getCount(); row++) { LogData ld = logDataStore.getLogData(row); if (ld.isMarked()) { m.marks.put(row, Boolean.TRUE); m.marksColor.put(row, ld.getMarkerColors()); } Note note = ld.getNote(); if (note != null && StringUtils.isNotBlank(note.getNote())) { m.notes.put(row, note); } } return m; } public void restoreFromMemento(Memento memento) { logDataStore.clear(); logDataStore.setLimit(memento.dataLimit); logDataStore.add(memento.list.toArray(new LogData[memento.list.size()])); TreeMap<Integer, MarkerColors> marksColor = memento.getMarksColor(); for (Integer row : marksColor.keySet()) { logDataStore.markRows(marksColor.get(row), row); } logDataStore.clearNotes(); for (Integer row : memento.notes.keySet()) { logDataStore.addNoteToRow(row, memento.notes.get(row)); } fireTableDataChanged(); } private void dumpInfo() { System.out.println("LogDataTableModel.dumpInfo() list.size" + logDataStore.getCount()); System.out.println("LogDataTableModel.dumpInfo() dumping content"); // for (Integer idx : list.keySet()) { // System.out.println("LogDataTableModel.dumpInfo() idx: " + idx + ": " + list.get(idx)); // } // System.out.println("LogDataTableModel.enclosing_method() marks size" + marks.size()); } public int getDataLimit() { return logDataStore.getLimit(); } public void setDataLimit(int dataLimit) { logDataStore.setLimit(dataLimit); } @Override public Note removeNote(int row, boolean notify) { Note n = logDataStore.removeNote(row); if (notify) { NoteEvent event = new NoteEvent(EventType.REMOVE, this, n, row); notifyAllNoteObservers(event); } return n; } @Override public int clear() { int clear = logDataStore.clear(); fireTableDataChanged(); return clear; } public LogDataStore getLogDataStore() { return logDataStore; } public static class Memento implements Serializable { private static final long serialVersionUID = 1L; private int dataLimit = Integer.MAX_VALUE; private int shift = 0; private int addIndex = 0; private Set<Integer> visibleColumns = new HashSet<>(); private ArrayList<LogData> list = new ArrayList<>(); private TreeMap<Integer, Boolean> marks = new TreeMap<>(); private TreeMap<Integer, MarkerColors> marksColor = new TreeMap<>(); private TreeMap<Integer, Note> notes = new TreeMap<>(); private String name; public String getName() { return name; } public void setName(String name) { this.name = name; } public int getDataLimit() { return dataLimit; } public void setDataLimit(int dataLimit) { this.dataLimit = dataLimit; } public int getShift() { return shift; } public void setShift(int shift) { this.shift = shift; } public int getAddIndex() { return addIndex; } public void setAddIndex(int addIndex) { this.addIndex = addIndex; } public ArrayList<LogData> getList() { return list; } public void setList(ArrayList<LogData> list) { this.list = list; } public TreeMap<Integer, Boolean> getMarks() { return marks; } public void setMarks(TreeMap<Integer, Boolean> marks) { this.marks = marks; } public TreeMap<Integer, Note> getNotes() { return notes; } public void setNotes(TreeMap<Integer, Note> notes) { this.notes = notes; } public TreeMap<Integer, MarkerColors> getMarksColor() { return marksColor; } public void setMarksColor(TreeMap<Integer, MarkerColors> marksColor) { this.marksColor = marksColor; } public Set<Integer> getVisibleColumns() { return visibleColumns; } public void setVisibleColumns(Set<Integer> visibleColumns) { this.visibleColumns = visibleColumns; } } }