/**
* Copyright 2015-2016 Red Hat, Inc, and individual contributors.
*
* 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.wildfly.swarm.arquillian.resolver;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.aether.transfer.AbstractTransferListener;
import org.eclipse.aether.transfer.TransferEvent;
/**
* Keeps track of transfers, and can provide failure messages for
* resources that aren't found in any repo.
*/
public class FailureReportingTransferListener extends AbstractTransferListener implements CompletableTransferListener {
@Override
public void transferSucceeded(final TransferEvent event) {
this.transfers.remove(event.getResource().getResourceName());
}
@Override
public void transferFailed(final TransferEvent event) {
final String resourceName = event.getResource().getResourceName();
List<TransferEvent> events = this.transfers.get(resourceName);
if (events == null) {
events = new ArrayList<>();
this.transfers.put(resourceName, events);
}
events.add(event);
}
@Override
public void complete() {
if (hasFailures()) {
System.err.print(failuresAsString());
this.transfers.clear();
}
}
public boolean hasFailures() {
return !this.transfers.isEmpty();
}
public String failuresAsString() {
StringBuilder sb = new StringBuilder();
for (Map.Entry<String, List<TransferEvent>> entry : this.transfers.entrySet()) {
final String resourceName = entry.getKey();
for (TransferEvent event : entry.getValue()) {
sb.append("Failed")
.append(event.getRequestType() == TransferEvent.RequestType.PUT ? " uploading " : " downloading ")
.append(resourceName)
.append(event.getRequestType() == TransferEvent.RequestType.PUT ? " into " : " from ")
.append(event.getResource().getRepositoryUrl()).append(". ");
if (event.getException() != null) {
sb.append("Reason: \n").append(event.getException());
}
sb.append('\n');
}
}
return sb.toString();
}
private final Map<String, List<TransferEvent>> transfers = new HashMap<>();
}