| /* |
| * ==================================================================== |
| * 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| package org.apache.hc.core5.http.impl; |
| |
| import org.apache.hc.core5.annotation.Internal; |
| import org.apache.hc.core5.http.EntityDetails; |
| import org.apache.hc.core5.http.HttpException; |
| import org.apache.hc.core5.http.HttpResponse; |
| import org.apache.hc.core5.http.HttpStatus; |
| import org.apache.hc.core5.http.MethodNotSupportedException; |
| import org.apache.hc.core5.http.NotImplementedException; |
| import org.apache.hc.core5.http.ProtocolException; |
| import org.apache.hc.core5.http.UnsupportedHttpVersionException; |
| |
| /** |
| * HTTP Server support methods. |
| * |
| * @since 5.0 |
| */ |
| @Internal |
| public class ServerSupport { |
| |
| public static void validateResponse( |
| final HttpResponse response, |
| final EntityDetails responseEntityDetails) throws HttpException { |
| final int status = response.getCode(); |
| switch (status) { |
| case HttpStatus.SC_NO_CONTENT: |
| case HttpStatus.SC_NOT_MODIFIED: |
| if (responseEntityDetails != null) { |
| throw new HttpException("Response " + status + " must not enclose an entity"); |
| } |
| } |
| } |
| |
| public static String toErrorMessage(final Exception ex) { |
| final String message = ex.getMessage(); |
| return message != null ? message : ex.toString(); |
| } |
| |
| public static int toStatusCode(final Exception ex) { |
| final int code; |
| if (ex instanceof MethodNotSupportedException) { |
| code = HttpStatus.SC_NOT_IMPLEMENTED; |
| } else if (ex instanceof UnsupportedHttpVersionException) { |
| code = HttpStatus.SC_HTTP_VERSION_NOT_SUPPORTED; |
| } else if (ex instanceof NotImplementedException) { |
| code = HttpStatus.SC_NOT_IMPLEMENTED; |
| } else if (ex instanceof ProtocolException) { |
| code = HttpStatus.SC_BAD_REQUEST; |
| } else { |
| code = HttpStatus.SC_INTERNAL_SERVER_ERROR; |
| } |
| return code; |
| } |
| |
| } |
| |