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/*
* ============LICENSE_START==========================================
* ONAP - F-GPS API
* ===================================================================
* Copyright © 2019 ATT Intellectual Property. All rights reserved.
* ===================================================================
*
* Unless otherwise specified, all software contained herein is licensed
* under the Apache License, Version 2.0 (the "License");
* you may not use this software 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.
*
* Unless otherwise specified, all documentation contained herein is licensed
* under the Creative Commons License, Attribution 4.0 Intl. (the "License");
* you may not use this documentation except in compliance with the License.
* You may obtain a copy of the License at
*
* https://creativecommons.org/licenses/by/4.0/
*
* Unless required by applicable law or agreed to in writing, documentation
* 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.fgps.api.interceptor;
import java.util.Properties;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.onap.fgps.api.logging.EELFLoggerDelegate;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
public class VersioningInterceptor implements HandlerInterceptor {
private static final EELFLoggerDelegate LOGGER = EELFLoggerDelegate.getLogger(VersioningInterceptor.class);
private Properties versionProperties = null;
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
if (versionProperties==null) {
versionProperties = new Properties();
try {
Resource fileResource = new ClassPathResource("version.properties");
versionProperties.load(fileResource.getInputStream());
} catch (NullPointerException e) {
e.printStackTrace();
LOGGER.error(EELFLoggerDelegate.applicationLogger," preHandle : Error details : "+ e.getMessage());
LOGGER.error(EELFLoggerDelegate.errorLogger," preHandle : Error details : "+ e.getMessage());
}
}
response.addHeader("X-MinorVersion", versionProperties.getProperty("version.minor"));
response.addHeader("X-PatchVersion", versionProperties.getProperty("version.patch"));
response.addHeader("X-LatestVersion", versionProperties.getProperty("version.full"));
return true;
}
@Override
public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
// noop
}
@Override
public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
// noop
}
}
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