/*
* Copyright (c) 2003-2010, KNOPFLERFISH project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* - Neither the name of the KNOPFLERFISH project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.knopflerfish.bundle.log.window.impl;
import java.util.ArrayList;
import java.util.ConcurrentModificationException;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
/**
* Table model which filters events from a set of bundles.
*
*/
public class FilterLogTableModel
extends LogTableModel
implements TableModelListener
{
Object lock = new Object();
LogTableModel model;
Set bundles = new HashSet();
ArrayList filteredEntries = new ArrayList();
public FilterLogTableModel(BundleContext bc,
LogTableModel model)
{
super(bc);
this.model = model;
model.addTableModelListener(this);
}
public void setBundles(Bundle[] bl) {
synchronized(lock) {
bundles.clear();
for(int i = 0; bl != null && i < bl.length; i++) {
bundles.add(bl[i]);
}
}
fireTableDataChanged();
}
public Class getColumnClass(int c) {
return model.getColumnClass(c);
}
public boolean isCellEditable(int row, int col) {
synchronized(lock) {
return model.isCellEditable(row, col);
}
}
public int getColumnCount() {
return model.getColumnCount();
}
public String getColumnName(int i) {
return model.getColumnName(i);
}
/**
* Return true if an entry matches any of the filter bundles.
*/
boolean isValidEntry(ExtLogEntry e) {
synchronized(lock) {
if(bundles.size() == 0) {
return true;
}
for(Iterator it = bundles.iterator(); it.hasNext();) {
Bundle b = (Bundle)it.next();
if((e.getBundle() != null) &&
(b.getBundleId() == e.getBundle().getBundleId())) {
return true;
}
}
return false;
}
}
public Object getValueAt(int row, int col) {
synchronized(lock) {
return model.getValueAt(getEntry(row), col);
}
}
public java.util.List getEntries() {
synchronized(lock) {
return filteredEntries;
}
}
public int getRowCount() {
synchronized(lock) {
return filteredEntries.size();
}
}
public void clear() {
synchronized(lock) {
model.getEntries().clear();
}
fireTableDataChanged();
}
public ExtLogEntry getEntry(int row) {
synchronized(lock) {
ExtLogEntry e = (ExtLogEntry)filteredEntries.get(row);
return e;
}
}
private void filterEntries() {
try {
synchronized(lock) {
filteredEntries.clear();
for(Iterator it = model.getEntries().iterator(); it.hasNext(); ) {
ExtLogEntry e = (ExtLogEntry)it.next();
if(isValidEntry(e)) {
filteredEntries.add(e);
}
}
}
} catch (ConcurrentModificationException cme) {
// Yield and try again.
try {
Thread.sleep(0);
} catch (InterruptedException ie) {
}
filterEntries();
}
}
public void fireTableDataChanged() {
filterEntries();
super.fireTableDataChanged();
}
public void tableChanged(TableModelEvent e) {
fireTableDataChanged();
}
}