Java tutorial
/* * 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.abiquo.binders.cloud; import static com.google.common.base.Preconditions.checkArgument; import static com.google.common.base.Preconditions.checkNotNull; import static com.google.common.base.Preconditions.checkState; import javax.inject.Inject; import javax.inject.Singleton; import org.jclouds.http.HttpRequest; import org.jclouds.rest.binders.BindToXMLPayload; import org.jclouds.rest.internal.GeneratedHttpRequest; import org.jclouds.xml.XMLParser; import com.abiquo.model.rest.RESTLink; import com.abiquo.model.transport.LinksDto; import com.abiquo.server.core.cloud.VirtualMachineDto; import com.abiquo.server.core.infrastructure.network.VLANNetworkDto; import com.google.common.base.Predicates; import com.google.common.collect.Iterables; /** * Bind multiple objects to the payload of the request as a list of links. * * @author Ignasi Barrera */ @Singleton public class BindNetworkConfigurationRefToPayload extends BindToXMLPayload { @Inject public BindNetworkConfigurationRefToPayload(final XMLParser xmlParser) { super(xmlParser); } @Override public <R extends HttpRequest> R bindToRequest(final R request, final Object input) { checkArgument(checkNotNull(request, "request") instanceof GeneratedHttpRequest, "this binder is only valid for GeneratedHttpRequests"); checkArgument(checkNotNull(input, "input") instanceof VLANNetworkDto, "this binder is only valid for VLANNetworkDto"); GeneratedHttpRequest gRequest = (GeneratedHttpRequest) request; checkState(gRequest.getInvocation().getArgs() != null, "args should be initialized at this point"); VLANNetworkDto network = (VLANNetworkDto) input; VirtualMachineDto vm = (VirtualMachineDto) Iterables.find(gRequest.getInvocation().getArgs(), Predicates.instanceOf(VirtualMachineDto.class)); RESTLink configLink = checkNotNull(vm.searchLink("configurations"), "missing required link"); LinksDto dto = new LinksDto(); dto.addLink(new RESTLink("network_configuration", configLink.getHref() + "/" + network.getId())); return super.bindToRequest(request, dto); } }