org.commonjava.indy.ftest.core.fixture.CallableDelayedDownload.java Source code

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/**
 * Copyright (C) 2011-2018 Red Hat, Inc. (https://github.com/Commonjava/indy)
 *
 * 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
 *
 *         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.commonjava.indy.ftest.core.fixture;

import org.apache.commons.io.IOUtils;
import org.apache.commons.io.input.CountingInputStream;
import org.commonjava.indy.client.core.Indy;
import org.commonjava.indy.client.core.IndyClientException;
import org.commonjava.indy.model.core.StoreKey;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.concurrent.Callable;
import java.util.concurrent.CountDownLatch;

public class CallableDelayedDownload implements Callable<CallableDelayedDownload> {
    private final long initialDelay;
    private final Indy client;

    private final StoreKey key;
    private final String path;

    private long startTime;
    private long endTime;
    private ByteArrayOutputStream content;

    private final CountDownLatch latch;

    private boolean missing;

    public CallableDelayedDownload(final Indy client, final StoreKey key, final String path,
            final long initialDelay, final CountDownLatch latch) {
        this.client = client;
        this.key = key;
        this.path = path;
        this.initialDelay = initialDelay;
        this.latch = latch;
    }

    public CallableDelayedDownload call() {
        String oldName = Thread.currentThread().getName();
        try {

            Thread.currentThread().setName(getClass().getSimpleName() + ": " + oldName);

            Logger logger = LoggerFactory.getLogger(getClass());
            logger.info("Starting: {}", Thread.currentThread().getName());

            if (initialDelay > 0) {
                logger.info("Delaying: {}", initialDelay);

                try {
                    Thread.sleep(initialDelay);
                } catch (final InterruptedException e) {
                    return this;
                }
            }

            startTime = System.nanoTime();
            content = new ByteArrayOutputStream();

            logger.info("Trying: {}", Thread.currentThread().getName());
            try (InputStream in = client.content().get(key.getType(), key.getName(), path)) {
                if (in == null) {
                    missing = true;
                } else {
                    CountingInputStream cin = new CountingInputStream(in);
                    IOUtils.copy(cin, content);
                    logger.debug("Read: {} bytes", cin.getByteCount());
                }
            } catch (IndyClientException | IOException e) {
                e.printStackTrace();
                missing = true;
            }

            endTime = System.nanoTime();
            latch.countDown();

            logger.info("Stopping: {}", Thread.currentThread().getName());

            return this;
        } finally {
            Thread.currentThread().setName(oldName);
        }
    }

    public boolean isMissing() {
        return missing;
    }

    public long getStartTime() {
        return startTime;
    }

    public long getEndTime() {
        return endTime;
    }

    public ByteArrayOutputStream getContent() {
        return content;
    }
}