content: /**
   * 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
   * <p>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p>
   * 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.oozie.ambari.view.exception;
  
  import org.apache.commons.lang.exception.ExceptionUtils;
  import org.apache.hadoop.security.AccessControlException;
  import org.json.simple.JSONObject;
  
  import javax.ws.rs.WebApplicationException;
  import javax.ws.rs.core.MediaType;
  import javax.ws.rs.core.Response;
  import java.io.IOException;
  import java.util.HashMap;
  
  public class WfmWebException extends WebApplicationException {
    private static final int STATUS = 500;
    private ErrorCode errorCode;
    private String additionalDetail = null;
    private String message;
    public WfmWebException(String message) {
      super();
      setMessage(message);
    }
  
    private void setMessage(String message) {
      this.message=message;
    }
  
    public WfmWebException(Throwable cause) {
      super(cause);
    }
  
    public WfmWebException(ErrorCode errorCode) {
      super();
      setMessage(errorCode.getDescription());
      this.errorCode = errorCode;
    }
  
    public WfmWebException(String message, Throwable cause) {
      super(cause);
      setMessage(message);
    }
  
    public WfmWebException(String message, ErrorCode errorCode) {
      super();
      setMessage(message);
      this.errorCode = errorCode;
    }
  
    public WfmWebException(String message, Throwable cause, ErrorCode errorCode) {
      super(cause);
      setMessage(message);
      this.errorCode = errorCode;
    }
  
    public WfmWebException(Throwable cause, ErrorCode errorCode) {
      super(cause);
      setMessage(errorCode.getDescription());
      this.errorCode = errorCode;
    }
  
  
    public void setAdditionalDetail(String additionalDetail) {
      this.additionalDetail = additionalDetail;
    }
  
    @Override
    public Response getResponse() {
      HashMap<String, Object> response = new HashMap<String, Object>();
      String trace = null;
      Throwable ex = this.getCause();
      if (ex != null) {
        if (ex.getStackTrace().length<1){
          trace = ExceptionUtils.getStackTrace(this);
        }else{
          trace = ExceptionUtils.getStackTrace(ex);
        }
        if (ex instanceof AccessControlException) {
          errorCode = ErrorCode.FILE_ACCESS_ACL_ERROR;
        } else if (ex instanceof IOException) {
          errorCode = ErrorCode.FILE_ACCESS_UNKNOWN_ERROR;
        }
      }else{
        trace = ExceptionUtils.getStackTrace(this);
      }
      response.put("stackTrace", trace);
      int status = errorCode != null && errorCode.isInputError() ? Response.Status.BAD_REQUEST.getStatusCode() : STATUS;
      if (errorCode != null) {
        response.put("errorCode", errorCode.getErrorCode());
        response.put("message", errorCode.getDescription());
      } else {
        if (this.getMessage()!=null){
          response.put("message", this.getMessage());
        }else if (this.getCause()!=null){
          response.put("message", this.getCause().getMessage());
        }
      }
      if (this.additionalDetail != null) {
        response.put("additionalDetail", additionalDetail);
      }
      return Response.status(status).entity(new JSONObject(response)).type(MediaType.APPLICATION_JSON).build();
    }
  
    @Override
    public String getMessage() {
      return message;
    }
  }
  