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package org.onap.vid.controller.filter;
import org.apache.commons.lang3.StringUtils;
import org.onap.portalsdk.core.util.SystemProperties;
import org.springframework.web.filter.GenericFilterBean;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@WebFilter(urlPatterns = "/*")
public class TempFilterForCORS extends GenericFilterBean {
private static final String ENV_MODE = "env.mode";
private Boolean devMode = null;
//dev mode is initialized here since @WebFilter doesn't support @Autowired
//So we are sure that SystemProperties bean was initialed only after the first call to doFilter
private boolean isDevMode() {
if (devMode!=null) {
return devMode;
}
else {
if (!SystemProperties.containsProperty(ENV_MODE)) {
devMode = Boolean.FALSE;
return devMode;
}
String envMode = SystemProperties.getProperty(ENV_MODE);
devMode = StringUtils.equalsIgnoreCase(envMode, "dev") ;
}
return devMode;
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
if (isDevMode() && response instanceof HttpServletResponse) {
((HttpServletResponse) response).addHeader("Access-Control-Allow-Origin", "http://localhost:3000");
((HttpServletResponse) response).addHeader("Access-Control-Allow-Credentials", "true");
}
chain.doFilter(request, response);
}
}
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