/**
* 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.openejb.arquillian.common;
import org.apache.openejb.loader.*;
import org.apache.openejb.resolver.Resolver;
import java.io.*;
import java.net.URI;
import java.util.logging.Logger;
public class MavenCache {
private static final Logger LOGGER = Logger.getLogger(MavenCache.class.getName());
public static File getArtifact(final String artifactInfo, final String altUrl) {
LOGGER.info("Downloading " + artifactInfo + " please wait...");
try {
return new File(new Resolver().resolve(artifactInfo.startsWith("mvn") ? "" : "mvn:" + artifactInfo));
} catch (Exception e) {
// ignored
}
try {
if (altUrl != null) {
return download(altUrl);
// don't cache the fallback
// only main artifact should be cached
}
} catch (Exception e1) {
throw new IllegalStateException(e1);
}
return null;
}
public static File download(final String source) throws DownloadException {
File file = null;
InputStream is = null;
OutputStream os = null;
try {
is = ProvisioningUtil.inputStreamTryingProxies(new URI(source));
try {
file = File.createTempFile("dload", ".fil");
} catch (Throwable e) {
final File tmp = new File("tmp");
if (!tmp.exists() && !tmp.mkdirs()) {
throw new IOException("Failed to create local tmp directory: " + tmp.getAbsolutePath());
}
file = File.createTempFile("dload", ".fil", tmp);
}
file.deleteOnExit();
os = new FileOutputStream(file);
int bytesRead;
final byte[] buffer = new byte[8192];
while ((bytesRead = is.read(buffer)) > -1) {
os.write(buffer, 0, bytesRead);
}
} catch (Exception e) {
throw new DownloadException("Unable to download " + source + " to " + file.getAbsolutePath(), e);
} finally {
if (is != null) {
try {
is.close();
} catch (Exception e) {
// no-op
}
}
if (os != null) {
try {
os.close();
} catch (Exception e) {
// no-op
}
}
}
return file;
}
}