package org.apache.felix.resolver.util;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import org.osgi.resource.Capability;
import org.osgi.service.resolver.HostedCapability;
import org.osgi.service.resolver.ResolveContext;
public class ShadowList extends CandidateSelector
{
public static ShadowList createShadowList(CandidateSelector original) {
if (original instanceof ShadowList)
{
throw new IllegalArgumentException("Cannot create a ShadowList using another ShadowList.");
}
return new ShadowList(original.unmodifiable, original.unmodifiable, original.isUnmodifiable);
}
public static ShadowList deepCopy(ShadowList original) {
return new ShadowList(original.unmodifiable, original.m_original, original.isUnmodifiable);
}
private final List<Capability> m_original;
private ShadowList(CandidateSelector shadow, List<Capability> original)
{
super(shadow);
m_original = original;
}
private ShadowList(List<Capability> unmodifiable, List<Capability> original, AtomicBoolean isUnmodifiable) {
super(unmodifiable, isUnmodifiable);
m_original = new ArrayList<Capability>(original);
}
public ShadowList copy() {
return new ShadowList(this, m_original);
}
public void insertHostedCapability(ResolveContext context, HostedCapability wrappedCapability, HostedCapability toInsertCapability) {
checkModifiable();
int removeIdx = m_original.indexOf(toInsertCapability.getDeclaredCapability());
if (removeIdx != -1)
{
m_original.remove(removeIdx);
unmodifiable.remove(removeIdx);
}
int insertIdx = context.insertHostedCapability(m_original, toInsertCapability);
unmodifiable.add(insertIdx, wrappedCapability);
}
public void replace(Capability origCap, Capability c) {
checkModifiable();
int idx = unmodifiable.indexOf(origCap);
unmodifiable.set(idx, c);
}
}