    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *      http://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 * Unless required by applicable law or agreed to in writing, software
    012 * distributed under the License is distributed on an "AS IS" BASIS,
    013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 * See the License for the specific language governing permissions and
    015 * limitations under the License.
    016 */
    017package org.apache.commons.pool2.impl;
    018
    019import java.io.PrintWriter;
    020import java.io.StringWriter;
    021import java.text.SimpleDateFormat;
    022
    023import org.apache.commons.pool2.PooledObject;
    024
    025/**
    026 * Implementation of object that is used to provide information on pooled
    027 * objects via JMX.
    028 *
    029 * @since 2.0
    030 */
    031public class DefaultPooledObjectInfo implements DefaultPooledObjectInfoMBean {
    032
    033    private static final String PATTERN = "yyyy-MM-dd HH:mm:ss Z";
    034
    035    private final PooledObject<?> pooledObject;
    036
    037    /**
    038     * Constructs a new instance for the given pooled object.
    039     *
    040     * @param pooledObject The pooled object that this instance will represent
    041     */
    042    public DefaultPooledObjectInfo(final PooledObject<?> pooledObject) {
    043        this.pooledObject = pooledObject;
    044    }
    045
    046    @Override
    047    public long getBorrowedCount() {
    048        return pooledObject.getBorrowedCount();
    049    }
    050
    051    @Override
    052    public long getCreateTime() {
    053        return pooledObject.getCreateInstant().toEpochMilli();
    054    }
    055
    056    @Override
    057    public String getCreateTimeFormatted() {
    058        return getTimeFormatted(getCreateTime());
    059    }
    060
    061    @Override
    062    public long getLastBorrowTime() {
    063        return pooledObject.getLastBorrowInstant().toEpochMilli();
    064    }
    065
    066
    067    @Override
    068    public String getLastBorrowTimeFormatted() {
    069        return getTimeFormatted(getLastBorrowTime());
    070    }
    071
    072    @Override
    073    public String getLastBorrowTrace() {
    074        final StringWriter sw = new StringWriter();
    075        pooledObject.printStackTrace(new PrintWriter(sw));
    076        return sw.toString();
    077    }
    078
    079    @Override
    080    public long getLastReturnTime() {
    081        return pooledObject.getLastReturnInstant().toEpochMilli();
    082    }
    083
    084    @Override
    085    public String getLastReturnTimeFormatted() {
    086        return getTimeFormatted(getLastReturnTime());
    087    }
    088
    089    @Override
    090    public String getPooledObjectToString() {
    091        return pooledObject.getObject().toString();
    092    }
    093
    094    @Override
    095    public String getPooledObjectType() {
    096        return pooledObject.getObject().getClass().getName();
    097    }
    098
    099    private String getTimeFormatted(final long millis) {
    100        return new SimpleDateFormat(PATTERN).format(Long.valueOf(millis));
    101    }
    102
    103    /**
    104     * @since 2.4.3
    105     */
    106    @Override
    107    public String toString() {
    108        final StringBuilder builder = new StringBuilder();
    109        builder.append("DefaultPooledObjectInfo [pooledObject=");
    110        builder.append(pooledObject);
    111        builder.append("]");
    112        return builder.toString();
    113    }
    114}