BaseImpl.java

/*
 * GovWay - A customizable API Gateway 
 * https://govway.org
 * 
 * Copyright (c) 2005-2025 Link.it srl (https://link.it). 
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3, as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package org.openspcoop2.utils.service;

import java.lang.reflect.Method;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.Path;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.UriInfo;

import org.openspcoop2.utils.service.context.ContextThreadLocal;
import org.openspcoop2.utils.service.context.IContext;
import org.slf4j.Logger;

/**
 * BaseImpl
 * 
 * @author Andrea Poli (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */
public class BaseImpl {

    @Context 
    protected HttpServletRequest servletRequest;
    @Context 
    protected HttpServletResponse servletResponse;
    @Context
    protected UriInfo uriInfo;
    
    protected Logger log;
    
    public BaseImpl(Logger log){
        this.log = log;
    }
    
    protected synchronized IContext getContext() {
        IContext context = ContextThreadLocal.get();
        if(context instanceof org.openspcoop2.utils.service.context.Context) {
            ((org.openspcoop2.utils.service.context.Context)context).update(this.servletRequest, this.servletResponse, this.uriInfo, 2, this.log);
            ((org.openspcoop2.utils.service.context.Context)context).setRestPath(this.getPathFromRestMethod(context.getMethodName()));
        }
        return context;
    }

    private String getPathFromRestMethod(String methodName) {

        try {
            Class<?> c = this.getClass();
            Class<?> [] interfaces = c.getInterfaces();
            if(interfaces==null || interfaces.length<=0) {
                return null;
            }
            Class<?> cInterface = null;
            for (int i = 0; i < interfaces.length; i++) {
                if (interfaces[i] != null && interfaces[i].isAnnotationPresent(Path.class)) {
                    cInterface = interfaces[i];
                    break;
                }
            }
            if(cInterface==null) {
                return null;
            }
            Method [] methods = cInterface.getMethods();
            if(methods==null || methods.length<=0) {
                return null;
            }
            Method method = null;
            for (int i = 0; i < methods.length; i++) {
                if (methods[i] != null && methods[i].getName().equals(methodName) && methods[i].isAnnotationPresent(Path.class)) {
                    method = methods[i];
                    break;
                }
            }
            if(method==null) {
                return null;
            }
            Path path = method.getAnnotation(Path.class);
            if(path==null) {
                return null;
            }
            return path.value();
        } catch (Exception e) {
            this.log.error(e.getMessage(),e);
        }

        return null;
    }
    
}