osam-core-framework/web/src/main/java/org/onap/osam/controller/AbstractController.java

/*-
 * ============LICENSE_START=======================================================
 * OSAM Core
 * ================================================================================
 * Copyright (C) 2018 Netsia
 * ================================================================================
 * Licensed 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.
 * ============LICENSE_END=========================================================
 */



package org.onap.osam.controller;

import org.onap.osam.common.exception.BadFormatException;
import org.onap.osam.common.exception.NotFoundException;
import org.onap.osam.common.exception.ServerException;
import org.onap.osam.common.exception.UnknownTypeException;
import org.slf4j.Logger;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;

/**
 * Created by cemturker on 30.09.2018.
 */
public abstract class AbstractController {

    private Logger logger;

    public AbstractController(Logger logger) {
        this.logger = logger;
    }

    public <T>  ResponseEntity<T> proceedException(Exception e) {
        if (e instanceof BadFormatException || e instanceof UnknownTypeException) {
            return ResponseEntity.status(HttpStatus.BAD_REQUEST).build();
        } else if(e instanceof NotFoundException) {
            return ResponseEntity.status(HttpStatus.NOT_FOUND).build();
        } else if(e instanceof ServerException) {
            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).build();
        } else {
            logger.error("",e);
            return ResponseEntity.status(HttpStatus.SERVICE_UNAVAILABLE).build();
        }
    }
}