osgi/log/src/main/java/org/apache/karaf/webconsole/osgi/log/LogEntryModel.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 org.apache.karaf.webconsole.osgi.log;

import java.util.Collections;
import java.util.Enumeration;

import org.apache.wicket.model.LoadableDetachableModel;
import org.osgi.service.log.LogEntry;
import org.osgi.service.log.LogReaderService;

/**
 * Singular log entry model, for table rows.
 */
public class LogEntryModel extends LoadableDetachableModel<LogEntry> {

    private static final long serialVersionUID = 1L;

    private int hashCode;
    private LogReaderService logReader;

    public LogEntryModel(LogReaderService logReader, LogEntry object) {
        super(object);
        this.logReader = logReader;
    }

    @Override
    @SuppressWarnings("unchecked")
    protected LogEntry load() {
        for (LogEntry entry : Collections.list((Enumeration<LogEntry>) logReader.getLog())) {
            if (hashCode == entry.hashCode()) {
                return entry;
            }
        }
        return null;
    }
}