| /* |
| * 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 |
| * |
| * http://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.jclouds.openstack.nova.v2_0.predicates; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.util.NoSuchElementException; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import javax.annotation.Resource; |
| import javax.inject.Singleton; |
| |
| import org.jclouds.logging.Logger; |
| import org.jclouds.openstack.nova.v2_0.NovaApi; |
| import org.jclouds.openstack.nova.v2_0.domain.SecurityGroup; |
| import org.jclouds.openstack.nova.v2_0.domain.regionscoped.RegionAndName; |
| import org.jclouds.openstack.nova.v2_0.domain.regionscoped.SecurityGroupInRegion; |
| import org.jclouds.openstack.nova.v2_0.extensions.SecurityGroupApi; |
| import org.jclouds.rest.ResourceNotFoundException; |
| |
| import com.google.common.base.Optional; |
| import com.google.common.base.Predicate; |
| import com.google.common.collect.FluentIterable; |
| import com.google.common.collect.Iterables; |
| import com.google.inject.Inject; |
| |
| /** |
| * AtomicReference is so that we can return the securityGroup that matched. |
| */ |
| @Singleton |
| public class FindSecurityGroupWithNameAndReturnTrue implements Predicate<AtomicReference<RegionAndName>> { |
| |
| private final NovaApi novaApi; |
| |
| @Resource |
| protected Logger logger = Logger.NULL; |
| |
| @Inject |
| public FindSecurityGroupWithNameAndReturnTrue(NovaApi novaApi) { |
| this.novaApi = checkNotNull(novaApi, "novaApi"); |
| } |
| |
| public boolean apply(AtomicReference<RegionAndName> securityGroupInRegionRef) { |
| checkNotNull(securityGroupInRegionRef, "securityGroupRef"); |
| final RegionAndName securityGroupInRegion = checkNotNull(securityGroupInRegionRef.get(), "securityGroupInRegion"); |
| |
| Optional<? extends SecurityGroupApi> api = novaApi.getSecurityGroupApi(securityGroupInRegion.getRegion()); |
| checkArgument(api.isPresent(), "Security groups are required, but the extension is not available!"); |
| |
| logger.trace("looking for security group %s", securityGroupInRegion.slashEncode()); |
| try { |
| final FluentIterable<SecurityGroup> allGroups = api.get().list(); |
| SecurityGroup returnVal = Iterables.find(allGroups, new Predicate<SecurityGroup>() { |
| |
| @Override |
| public boolean apply(SecurityGroup input) { |
| return input.getName().equals(securityGroupInRegion.getName()); |
| } |
| |
| }); |
| securityGroupInRegionRef.set(new SecurityGroupInRegion(returnVal, securityGroupInRegion.getRegion(), allGroups)); |
| return true; |
| } catch (ResourceNotFoundException e) { |
| return false; |
| } catch (NoSuchElementException e) { |
| return false; |
| } |
| } |
| } |