| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 |
| * |
| * https://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.apache.ivy.osgi.repo; |
| |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.NoSuchElementException; |
| import java.util.Set; |
| |
| public class AggregatedRepoDescriptor extends RepoDescriptor { |
| |
| private List<RepoDescriptor> repos; |
| |
| public AggregatedRepoDescriptor(List<RepoDescriptor> repos) { |
| this.repos = repos; |
| } |
| |
| @Override |
| public Iterator<ModuleDescriptorWrapper> getModules() { |
| final Iterator<RepoDescriptor> itRepos = repos.iterator(); |
| return new Iterator<ModuleDescriptorWrapper>() { |
| |
| private Iterator<ModuleDescriptorWrapper> current = null; |
| |
| private ModuleDescriptorWrapper next = null; |
| |
| public boolean hasNext() { |
| while (next == null) { |
| if (current == null) { |
| if (!itRepos.hasNext()) { |
| return false; |
| } |
| RepoDescriptor repo = itRepos.next(); |
| current = repo.getModules(); |
| } |
| if (current.hasNext()) { |
| next = current.next(); |
| } else { |
| current = null; |
| } |
| } |
| return true; |
| } |
| |
| public ModuleDescriptorWrapper next() { |
| if (!hasNext()) { |
| throw new NoSuchElementException(); |
| } |
| ModuleDescriptorWrapper ret = next; |
| next = null; |
| return ret; |
| } |
| |
| public void remove() { |
| throw new UnsupportedOperationException(); |
| } |
| }; |
| } |
| |
| @Override |
| public Set<String> getCapabilities() { |
| Set<String> ret = new HashSet<>(); |
| for (RepoDescriptor repo : repos) { |
| Set<String> capabilities = repo.getCapabilities(); |
| if (capabilities != null) { |
| ret.addAll(capabilities); |
| } |
| } |
| return ret; |
| } |
| |
| @Override |
| public Set<ModuleDescriptorWrapper> findModules(String requirement, String value) { |
| Set<ModuleDescriptorWrapper> ret = new HashSet<>(); |
| for (RepoDescriptor repo : repos) { |
| Set<ModuleDescriptorWrapper> modules = repo.findModules(requirement, value); |
| if (modules != null) { |
| ret.addAll(modules); |
| } |
| } |
| return ret; |
| } |
| |
| @Override |
| public Set<String> getCapabilityValues(String capabilityName) { |
| Set<String> ret = new HashSet<>(); |
| for (RepoDescriptor repo : repos) { |
| Set<String> capabilityValues = repo.getCapabilityValues(capabilityName); |
| if (capabilityValues != null) { |
| ret.addAll(capabilityValues); |
| } |
| } |
| return ret; |
| } |
| |
| } |