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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.aai.config;
import org.onap.aai.exceptions.AAIException;
import org.onap.aai.logging.ErrorLogHelper;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.core.MediaType;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* Responsible for dealing with uri that doesn't start with basePath
* All of the other interceptors will handle any uri that starts with basePath
* So we need this to ensure that these cases are properly handled
*/
@Order(1)
@Component
public class ErrorHandler extends OncePerRequestFilter {
private String basePath;
public ErrorHandler(@Value("${schema.uri.base.path}") String basePath){
this.basePath = basePath;
if(!basePath.endsWith("/")){
this.basePath = basePath + "/";
}
}
@Override
protected void doFilterInternal(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, FilterChain filterChain) throws ServletException, IOException {
String uri = httpServletRequest.getRequestURI();
if (uri != null && !(uri.startsWith(basePath))) {
AAIException e = new AAIException("AAI_3012");
ArrayList<String> templateVars = new ArrayList<>();
List<MediaType> mediaTypeList = new ArrayList<>();
String acceptHeader = httpServletRequest.getHeader("Accept");
if (acceptHeader == null) {
mediaTypeList.add(MediaType.APPLICATION_XML_TYPE);
} else {
mediaTypeList.add(MediaType.valueOf(acceptHeader));
}
String message = ErrorLogHelper.getRESTAPIErrorResponse(mediaTypeList, e, templateVars);
httpServletResponse.setStatus(400);
httpServletResponse.setContentType(mediaTypeList.get(0).toString());
httpServletResponse.getWriter().print(message);
httpServletResponse.getWriter().close();
return;
}
filterChain.doFilter(httpServletRequest, httpServletResponse);
}
}
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