in src/main/java/org/apache/maven/plugins/assembly/io/DefaultAssemblyReader.java [217:253]
private Assembly addAssemblyFromDescriptor(
final String spec,
final Locator locator,
final AssemblerConfigurationSource configSource,
final List<Assembly> assemblies)
throws AssemblyReadException, InvalidAssemblerConfigurationException {
final Location location = locator.resolve(spec);
if (location == null) {
if (configSource.isIgnoreMissingDescriptor()) {
LOGGER.debug("Ignoring missing assembly descriptor with ID '" + spec
+ "' per configuration.\nLocator output was:\n\n"
+ locator.getMessageHolder().render());
return null;
} else {
throw new AssemblyReadException("Error locating assembly descriptor: " + spec + "\n\n"
+ locator.getMessageHolder().render());
}
}
try (Reader r = XmlStreamReader.builder()
.setInputStream(location.getInputStream())
.get()) {
File dir = null;
if (location.getFile() != null) {
dir = location.getFile().getParentFile();
}
final Assembly assembly = readAssembly(r, spec, dir, configSource);
assemblies.add(assembly);
return assembly;
} catch (final IOException e) {
throw new AssemblyReadException("Error reading assembly descriptor: " + spec, e);
}
}