InMemoryModuleReference.java
/*-
* #%L
* io.earcam.instrumental.lade.jpms
* %%
* Copyright (C) 2018 earcam
* %%
* SPDX-License-Identifier: (BSD-3-Clause OR EPL-1.0 OR Apache-2.0 OR MIT)
*
* You <b>must</b> choose to accept, in full - any individual or combination of
* the following licenses:
* <ul>
* <li><a href="https://opensource.org/licenses/BSD-3-Clause">BSD-3-Clause</a></li>
* <li><a href="https://www.eclipse.org/legal/epl-v10.html">EPL-1.0</a></li>
* <li><a href="https://www.apache.org/licenses/LICENSE-2.0">Apache-2.0</a></li>
* <li><a href="https://opensource.org/licenses/MIT">MIT</a></li>
* </ul>
* #L%
*/
package io.earcam.instrumental.lade.jpms;
import java.io.IOException;
import java.lang.module.ModuleDescriptor;
import java.lang.module.ModuleReader;
import java.lang.module.ModuleReference;
import java.net.URI;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Stream;
import io.earcam.unexceptional.Exceptional;
final class InMemoryModuleReference extends ModuleReference {
private class InMemoryModuleReader implements ModuleReader {
@Override
public Stream<String> list() throws IOException
{
return list.stream();
}
@Override
public Optional<URI> find(String name) throws IOException
{
return list()
.filter(r -> r.startsWith(location().get().toString()))
.map(Exceptional::uri)
.filter(r -> r.toString().endsWith(name))
.findAny();
}
@Override
public void close()
{
/* NoOp */
}
}
private final Set<String> list;
InMemoryModuleReference(ModuleDescriptor descriptor, URI location, Set<String> list)
{
super(descriptor, location);
this.list = list;
}
@Override
public ModuleReader open() throws IOException
{
return new InMemoryModuleReader();
}
}