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rapidoid-http-fast/src/main/java/org/rapidoid/http/impl/BodyRenderer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| /*- | ||
| * #%L | ||
| * rapidoid-http-fast | ||
| * %% | ||
| * Copyright (C) 2014 - 2017 Nikolche Mihajlovski and contributors | ||
| * %% | ||
| * Licensed 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. | ||
| * #L% | ||
| */ | ||
|
|
||
| package org.rapidoid.http.impl; | ||
|
|
||
| import org.rapidoid.RapidoidThing; | ||
| import org.rapidoid.annotation.Authors; | ||
| import org.rapidoid.annotation.Since; | ||
| import org.rapidoid.http.HttpUtils; | ||
| import org.rapidoid.http.MediaType; | ||
| import org.rapidoid.http.Req; | ||
| import org.rapidoid.http.RespBody; | ||
| import org.rapidoid.http.customize.Customization; | ||
| import org.rapidoid.http.customize.HttpResponseRenderer; | ||
| import org.rapidoid.http.impl.lowlevel.HttpIO; | ||
| import org.rapidoid.log.Log; | ||
| import org.rapidoid.log.LogLevel; | ||
| import org.rapidoid.u.U; | ||
| import org.rapidoid.util.Msc; | ||
|
|
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| @Authors("Nikolche Mihajlovski") | ||
| @Since("5.5.2") | ||
| public class BodyRenderer extends RapidoidThing { | ||
|
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| static RespBody toRespBody(Req req, RespImpl resp) { | ||
| try { | ||
| return createRespBodyFromResult(req, resp); | ||
|
|
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| } catch (Throwable e) { | ||
| HttpIO.INSTANCE.error(req, e, LogLevel.ERROR); | ||
|
|
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| try { | ||
| return createRespBodyFromResult(req, resp); | ||
|
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| } catch (Exception e1) { | ||
| Log.error("Internal rendering error!", e1); | ||
| return new RespBodyBytes(HttpUtils.getErrorMessageAndSetCode(resp, e1).getBytes()); | ||
| } | ||
| } | ||
| } | ||
|
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| private static RespBody createRespBodyFromResult(Req req, RespImpl resp) { | ||
| Object result = resp.result(); | ||
| Object body = resp.body(); | ||
|
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| if (result instanceof RespBody) { | ||
| return (RespBody) result; | ||
|
|
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| } else if (body instanceof RespBody) { | ||
| return (RespBody) body; | ||
|
|
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| } else if (resp.mvc()) { | ||
| byte[] bytes = ResponseRenderer.renderMvc((ReqImpl) req, resp); | ||
| HttpUtils.postProcessResponse(resp); // the response might have been changed, so post-process again | ||
| return new RespBodyBytes(bytes); | ||
|
|
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| } else if (body != null) { | ||
| return new RespBodyBytes(Msc.toBytes(body)); | ||
|
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| } else if (result != null) { | ||
| return resultToRespBody(resp, result); | ||
|
|
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| } else { | ||
| throw U.rte("There's nothing to render!"); | ||
| } | ||
| } | ||
|
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| public static RespBody resultToRespBody(RespImpl resp, Object result) { | ||
| return new RespBodyBytes(HttpUtils.responseToBytes(resp.request(), result, resp.contentType(), mediaResponseRenderer(resp))); | ||
| } | ||
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| private static HttpResponseRenderer mediaResponseRenderer(RespImpl resp) { | ||
| Customization customization = Customization.of(resp.request()); | ||
|
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| if (resp.contentType().equals(MediaType.JSON)) { | ||
| return customization.jsonResponseRenderer(); | ||
|
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| } else if (resp.contentType().equals(MediaType.XML_UTF_8)) { | ||
| return customization.xmlResponseRenderer(); | ||
|
|
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| } else { | ||
| // defaults to json | ||
| return customization.jsonResponseRenderer(); | ||
| } | ||
| } | ||
|
|
||
| } |
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