| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. 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, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.ec2.options.internal; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | |
| 23 | import java.util.Set; |
| 24 | |
| 25 | import org.jclouds.http.options.BaseHttpRequestOptions; |
| 26 | |
| 27 | import com.google.common.base.Predicate; |
| 28 | import com.google.common.collect.ImmutableSet; |
| 29 | import com.google.common.collect.ImmutableSet.Builder; |
| 30 | import com.google.common.collect.Iterables; |
| 31 | |
| 32 | /** |
| 33 | * |
| 34 | * @author Adrian Cole |
| 35 | */ |
| 36 | public class BaseEC2RequestOptions extends BaseHttpRequestOptions { |
| 37 | |
| 38 | @Override |
| 39 | public String toString() { |
| 40 | return "[formParameters=" + formParameters + "]"; |
| 41 | } |
| 42 | |
| 43 | protected void indexFormValuesWithPrefix(String prefix, String... values) { |
| 44 | for (int i = 0; i < values.length; i++) { |
| 45 | formParameters.put(prefix + "." + (i + 1), checkNotNull(values[i], prefix.toLowerCase() + "s[" + i + "]")); |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | protected void indexFormValuesWithPrefix(String prefix, Iterable<String> values) { |
| 50 | indexFormValuesWithPrefix(prefix, Iterables.toArray(values, String.class)); |
| 51 | } |
| 52 | |
| 53 | protected Set<String> getFormValuesWithKeysPrefixedBy(final String prefix) { |
| 54 | Builder<String> values = ImmutableSet.builder(); |
| 55 | for (String key : Iterables.filter(formParameters.keySet(), new Predicate<String>() { |
| 56 | |
| 57 | public boolean apply(String input) { |
| 58 | return input.startsWith(prefix); |
| 59 | } |
| 60 | |
| 61 | })) { |
| 62 | values.add(Iterables.get(formParameters.get(key), 0)); |
| 63 | } |
| 64 | return values.build(); |
| 65 | } |
| 66 | |
| 67 | } |