hadoop ExceptionProvider 源码
haddop ExceptionProvider 代码
文件路径：/hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/java/org/apache/hadoop/lib/wsrs/ExceptionProvider.java
/**
* 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.hadoop.lib.wsrs;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.util.HttpExceptionUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ExceptionMapper;
@InterfaceAudience.Private
public class ExceptionProvider implements ExceptionMapper<Throwable> {
private static Logger LOG = LoggerFactory.getLogger(ExceptionProvider.class);
private static final String ENTER = System.getProperty("line.separator");
protected Response createResponse(Response.Status status, Throwable throwable) {
return HttpExceptionUtils.createJerseyExceptionResponse(status, throwable);
}
protected String getOneLineMessage(Throwable throwable) {
String message = throwable.getMessage();
if (message != null) {
int i = message.indexOf(ENTER);
if (i > -1) {
message = message.substring(0, i);
}
}
return message;
}
protected void log(Response.Status status, Throwable throwable) {
LOG.debug("{}", throwable.getMessage(), throwable);
}
@Override
public Response toResponse(Throwable throwable) {
return createResponse(Response.Status.BAD_REQUEST, throwable);
}
}
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