/*
* JBoss, Home of Professional Open Source
* Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.jboss.as.console.client.administration.audit;
import com.google.gwt.core.client.GWT;
import com.google.gwt.regexp.shared.MatchResult;
import com.google.gwt.regexp.shared.RegExp;
import com.google.gwt.regexp.shared.SplitResult;
import com.google.gwt.resources.client.ClientBundle;
import com.google.gwt.resources.client.TextResource;
import com.google.gwt.view.client.AsyncDataProvider;
import com.google.gwt.view.client.HasData;
import com.google.gwt.view.client.Range;
import com.google.web.bindery.autobean.shared.AutoBean;
import com.google.web.bindery.autobean.shared.AutoBeanCodex;
import org.jboss.as.console.client.shared.BeanFactory;
import java.util.ArrayList;
import java.util.List;
import static java.lang.Math.min;
/**
* @author Harald Pehl
*/
public class AuditLogItemDataProvider extends AsyncDataProvider<AuditLogItem> {
final static Resources RESOURCES = GWT.create(Resources.class);
final static RegExp ITEMS = RegExp.compile("^\\}", "gm");
final static RegExp ITEM = RegExp.compile("(\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2}) - (\\{$(.|\n)*^\\})", "m");
static long idCounter = 0;
final BeanFactory beanFactory;
final List<AuditLogItem> store;
public AuditLogItemDataProvider(BeanFactory beanFactory) {
super(new AuditLogItemKeyProvider());
this.beanFactory = beanFactory;
this.store = new ArrayList<AuditLogItem>();
parseItems();
}
private void parseItems() {
idCounter = 0;
SplitResult result = ITEMS.split(RESOURCES.auditLog().getText());
for (int i = 0; i < result.length(); i++) {
String nextResult = result.get(i);
if (nextResult != null && nextResult.length() != 0) {
String itemText = nextResult.trim() + "\n}";
MatchResult match = ITEM.exec(itemText);
if (match != null) {
store.add(parseItem(match));
}
}
}
}
private AuditLogItem parseItem(final MatchResult match) {
String date = match.getGroup(1);
AutoBean<AuditLogItem> itemBean = AutoBeanCodex.decode(beanFactory, AuditLogItem.class, match.getGroup(2));
AuditLogItem item = itemBean.as();
item.setId(idCounter++);
item.setDate(date);
return item;
}
@Override
protected void onRangeChanged(final HasData<AuditLogItem> display) {
Range range = display.getVisibleRange();
int start = min(range.getStart(), store.size() - 1);
int end = min(start + range.getLength(), store.size());
List<AuditLogItem> items = store.subList(start, end);
display.setRowData(start, items);
}
interface Resources extends ClientBundle {
@Source("audit-log.log")
TextResource auditLog();
}
}