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/*
* 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 shaded.shaded.org.eclipse.aether.transport.classpath;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLConnection;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.repository.RemoteRepository;
import shaded.shaded.org.eclipse.aether.spi.connector.transport.AbstractTransporter;
import shaded.shaded.org.eclipse.aether.spi.connector.transport.GetTask;
import shaded.shaded.org.eclipse.aether.spi.connector.transport.PeekTask;
import shaded.shaded.org.eclipse.aether.spi.connector.transport.PutTask;
import shaded.shaded.org.eclipse.aether.spi.connector.transport.TransportTask;
import org.eclipse.aether.transfer.NoTransporterException;
import org.eclipse.aether.util.ConfigUtils;
/**
* A transporter reading from the classpath.
*/
final class ClasspathTransporter extends AbstractTransporter {
private final String resourceBase;
private final ClassLoader classLoader;
ClasspathTransporter(RepositorySystemSession session, RemoteRepository repository) throws NoTransporterException {
if (!"classpath".equalsIgnoreCase(repository.getProtocol())) {
throw new NoTransporterException(repository);
}
String base;
try {
URI uri = new URI(repository.getUrl());
String ssp = uri.getSchemeSpecificPart();
if (ssp.startsWith("/")) {
base = uri.getPath();
if (base == null) {
base = "";
} else if (base.startsWith("/")) {
base = base.substring(1);
}
} else {
base = ssp;
}
if (base.length() > 0 && !base.endsWith("/")) {
base += '/';
}
} catch (URISyntaxException e) {
throw new NoTransporterException(repository, e);
}
resourceBase = base;
Object cl = ConfigUtils.getObject(session, null, ClasspathTransporterFactory.CONFIG_PROP_CLASS_LOADER);
if (cl instanceof ClassLoader) {
classLoader = (ClassLoader) cl;
} else {
classLoader = Thread.currentThread().getContextClassLoader();
}
}
private URL getResource(TransportTask task) throws Exception {
String resource = resourceBase + task.getLocation().getPath();
URL url = classLoader.getResource(resource);
if (url == null) {
throw new ResourceNotFoundException("Could not locate " + resource);
}
return url;
}
public int classify(Throwable error) {
if (error instanceof ResourceNotFoundException) {
return ERROR_NOT_FOUND;
}
return ERROR_OTHER;
}
@Override
protected void implPeek(PeekTask task) throws Exception {
getResource(task);
}
@Override
protected void implGet(GetTask task) throws Exception {
URL url = getResource(task);
URLConnection conn = url.openConnection();
utilGet(task, conn.getInputStream(), true, conn.getContentLength(), false);
}
@Override
protected void implPut(PutTask task) throws Exception {
throw new UnsupportedOperationException("Uploading to a classpath: repository is not supported");
}
@Override
protected void implClose() {}
}