/**
* Get the path for a dependency
*
* @param dependency The dependency
* @return The path
*/
protected String getPath(DependencyType dependency) {
String path =
dependency.getOrganisation().replace('.', File.separatorChar)
+ File.separatorChar
+ dependency.getArtifact()
+ File.separatorChar
+ dependency.getRevision()
+ File.separatorChar
+ dependency.getArtifact()
+ "-"
+ dependency.getRevision()
+ "."
+ dependency.getExt();
return path;
}
/**
* Download an artifact
*
* @param servers The servers
* @param protocolMap The protocols
* @param dependency The dependency
* @param repository The repository
* @param tracker The dependency tracker
* @return The list of dependencies downloaded
* @exception ResolveException Thrown in case of an error
*/
protected List<DependencyType> downloadArtifact(
List<ServerType> servers,
Map<String, Protocol> protocolMap,
DependencyType dependency,
File repository,
DependencyTracker tracker)
throws ResolveException {
if (tracker.isTracked(dependency)) return Collections.emptyList();
if (!tracker.track(dependency)) return Collections.emptyList();
List<DependencyType> result = getArtifact(repository, dependency);
if (result != null) return result;
result = new ArrayList<DependencyType>(1);
File f = new File(repository, getPath(dependency));
if (!f.getParentFile().exists() && !f.getParentFile().mkdirs())
throw new ResolveException(f.getParent() + " couldn't be created");
Iterator<ServerType> it = servers.iterator();
while (result.isEmpty() && it.hasNext()) {
try {
ServerType server = it.next();
String path = server.getValue();
if (!path.endsWith("/")) path = path + "/";
path +=
Pattern.resolve(
server.getPattern(),
dependency.getOrganisation(),
dependency.getModule(),
dependency.getRevision(),
dependency.getArtifact(),
dependency.getClassifier(),
dependency.getExt());
String protocolKey = server.getProtocol();
if (protocolKey == null || protocolKey.trim().equals("")) protocolKey = "http";
Protocol protocol = protocolMap.get(protocolKey);
if (protocol != null) {
Protocol copy = protocol.clone();
if (copy.download(path, f)) result.add(dependency);
} else {
throw new ResolveException(
"Protocol (" + protocolKey + ") not defined for server " + server.getValue());
}
} catch (CloneNotSupportedException cnse) {
// Shouldn't happen
}
}
if (result.isEmpty())
throw new ResolveException("The dependency couldn't be resolved", dependency);
return result;
}