odata2-lib/odata-ref/src/main/java/org/apache/olingo/odata2/ref/processor/ScenarioErrorCallback.java

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 * 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,
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package org.apache.olingo.odata2.ref.processor;

import org.apache.olingo.odata2.api.commons.HttpStatusCodes;
import org.apache.olingo.odata2.api.ep.EntityProvider;
import org.apache.olingo.odata2.api.exception.ODataApplicationException;
import org.apache.olingo.odata2.api.processor.ODataErrorCallback;
import org.apache.olingo.odata2.api.processor.ODataErrorContext;
import org.apache.olingo.odata2.api.processor.ODataResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Callback for handling errors by logging internal server errors additionally.
 * 
 */
public class ScenarioErrorCallback implements ODataErrorCallback {

  private static final Logger LOG = LoggerFactory.getLogger(ScenarioErrorCallback.class);

  @Override
  public ODataResponse handleError(final ODataErrorContext context) throws ODataApplicationException {
    if (context.getHttpStatus() == HttpStatusCodes.INTERNAL_SERVER_ERROR) {
      LOG.error("Internal Server Error", context.getException());
    }

    return EntityProvider.writeErrorDocument(context);
  }

}