| /** |
| * 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. |
| */ |
| package org.apache.pulsar.broker.web; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.nio.charset.StandardCharsets; |
| import javax.servlet.ServletResponse; |
| import javax.servlet.http.HttpServletResponse; |
| import javax.ws.rs.core.Response; |
| import org.apache.pulsar.common.intercept.InterceptException; |
| import org.apache.pulsar.common.policies.data.ErrorData; |
| import org.apache.pulsar.common.util.ObjectMapperFactory; |
| import org.eclipse.jetty.http.HttpField; |
| import org.eclipse.jetty.http.HttpFields; |
| import org.eclipse.jetty.http.HttpHeader; |
| import org.eclipse.jetty.http.HttpVersion; |
| import org.eclipse.jetty.http.MetaData; |
| |
| /** |
| * Exception handler for handle exception. |
| */ |
| public class ExceptionHandler { |
| |
| public void handle(ServletResponse response, Exception ex) throws IOException { |
| if (ex instanceof InterceptException) { |
| if (response instanceof org.eclipse.jetty.server.Response) { |
| String errorData = ObjectMapperFactory |
| .getThreadLocal().writeValueAsString(new ErrorData(ex.getMessage())); |
| byte[] errorBytes = errorData.getBytes(StandardCharsets.UTF_8); |
| int errorCode = ((InterceptException) ex).getErrorCode(); |
| HttpFields httpFields = new HttpFields(); |
| HttpField httpField = new HttpField(HttpHeader.CONTENT_TYPE, "application/json;charset=utf-8"); |
| httpFields.add(httpField); |
| MetaData.Response info = new MetaData.Response(HttpVersion.HTTP_1_1, errorCode, httpFields); |
| info.setHttpVersion(HttpVersion.HTTP_1_1); |
| info.setReason(errorData); |
| info.setStatus(errorCode); |
| info.setContentLength(errorBytes.length); |
| ((org.eclipse.jetty.server.Response) response).getHttpChannel().sendResponse(info, |
| ByteBuffer.wrap(errorBytes), |
| true); |
| } else { |
| ((HttpServletResponse) response).sendError(((InterceptException) ex).getErrorCode(), |
| ex.getMessage()); |
| } |
| } else { |
| ((HttpServletResponse) response).sendError(Response.Status.INTERNAL_SERVER_ERROR.getStatusCode(), |
| ex.getMessage()); |
| } |
| } |
| } |