| 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.http.functions; |
| 20 | |
| 21 | import static org.jclouds.http.HttpUtils.releasePayload; |
| 22 | |
| 23 | import java.io.IOException; |
| 24 | import java.io.InputStream; |
| 25 | |
| 26 | import javax.inject.Singleton; |
| 27 | |
| 28 | import org.jclouds.http.HttpException; |
| 29 | import org.jclouds.http.HttpResponse; |
| 30 | import org.jclouds.util.Strings2; |
| 31 | |
| 32 | import com.google.common.base.Function; |
| 33 | |
| 34 | /** |
| 35 | * |
| 36 | * @author Adrian Cole |
| 37 | */ |
| 38 | @Singleton |
| 39 | public class ReturnStringIf2xx implements Function<HttpResponse, String> { |
| 40 | |
| 41 | public String apply(HttpResponse from) { |
| 42 | if (from.getPayload() == null) |
| 43 | return null; |
| 44 | try { |
| 45 | if (from.getStatusCode() >= 200) { |
| 46 | InputStream payload = from.getPayload().getInput(); |
| 47 | String toReturn = null; |
| 48 | try { |
| 49 | toReturn = Strings2.toStringAndClose(payload); |
| 50 | } catch (IOException e) { |
| 51 | throw new HttpException(String.format( |
| 52 | "Couldn't receive response %1$s, payload: %2$s ", from, toReturn), e); |
| 53 | } |
| 54 | return toReturn; |
| 55 | } else { |
| 56 | throw new HttpException(String.format("Unhandled status code - %1$s", from)); |
| 57 | } |
| 58 | } finally { |
| 59 | releasePayload(from); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | } |