| 1 | /** |
| 2 | * |
| 3 | * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com> |
| 4 | * |
| 5 | * ==================================================================== |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | * ==================================================================== |
| 18 | */ |
| 19 | package org.jclouds.gogrid.binders; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkArgument; |
| 22 | import static com.google.common.base.Preconditions.checkNotNull; |
| 23 | import static com.google.common.base.Preconditions.checkState; |
| 24 | import static org.jclouds.gogrid.reference.GoGridQueryParams.REAL_IP_LIST_KEY; |
| 25 | |
| 26 | import java.util.List; |
| 27 | |
| 28 | import javax.inject.Inject; |
| 29 | import javax.inject.Provider; |
| 30 | import javax.ws.rs.core.UriBuilder; |
| 31 | |
| 32 | import org.jclouds.gogrid.domain.IpPortPair; |
| 33 | import org.jclouds.http.HttpRequest; |
| 34 | import org.jclouds.http.utils.ModifyRequest; |
| 35 | import org.jclouds.rest.Binder; |
| 36 | |
| 37 | /** |
| 38 | * Binds a list of real IPs to the request. |
| 39 | * |
| 40 | * The {@link IpPortPair pairs} must have a {@link IpPortPair#ip} set with a valid IP address. |
| 41 | * |
| 42 | * @author Oleksiy Yarmula |
| 43 | */ |
| 44 | public class BindRealIpPortPairsToQueryParams implements Binder { |
| 45 | private final Provider<UriBuilder> builder; |
| 46 | |
| 47 | @Inject |
| 48 | BindRealIpPortPairsToQueryParams(Provider<UriBuilder> builder) { |
| 49 | this.builder = builder; |
| 50 | } |
| 51 | |
| 52 | @SuppressWarnings( { "unchecked" }) |
| 53 | @Override |
| 54 | public <R extends HttpRequest> R bindToRequest(R request, Object input) { |
| 55 | checkArgument(checkNotNull(input, "input is null") instanceof List, |
| 56 | "this binder is only valid for a List argument"); |
| 57 | |
| 58 | List<IpPortPair> ipPortPairs = (List<IpPortPair>) input; |
| 59 | |
| 60 | int i = 0; |
| 61 | for (IpPortPair ipPortPair : ipPortPairs) { |
| 62 | checkNotNull(ipPortPair.getIp(), "There must be an IP address defined"); |
| 63 | checkNotNull(ipPortPair.getIp().getIp(), |
| 64 | "There must be an IP address defined in Ip object"); |
| 65 | checkState(ipPortPair.getPort() > 0, "The port number must be a positive integer"); |
| 66 | |
| 67 | request = ModifyRequest.addQueryParam(request, REAL_IP_LIST_KEY + i + ".ip", ipPortPair.getIp().getIp(), builder |
| 68 | .get()); |
| 69 | request = ModifyRequest.addQueryParam(request, REAL_IP_LIST_KEY + i + ".port", String.valueOf(ipPortPair |
| 70 | .getPort()), builder.get()); |
| 71 | i++; |
| 72 | } |
| 73 | return request; |
| 74 | } |
| 75 | } |