photosharing.api.oauth.PollingDefinition.java Source code

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Here is the source code for photosharing.api.oauth.PollingDefinition.java

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/**
 *  Copyright IBM Corp. 2016
 *
 * 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.
 */
package photosharing.api.oauth;

import java.util.logging.Level;
import java.util.logging.Logger;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.http.HttpStatus;

import photosharing.api.base.APIDefinition;

/**
 * Polling checks the session to see if there is a valid OAuth Credential 
 * 
 * @author Paul Bastide <pbastide@us.ibm.com>
 * 
 */
public class PollingDefinition implements APIDefinition {

    // Logger
    private final static String className = PollingDefinition.class.getName();
    private Logger logger = Logger.getLogger(className);

    /**
     * processes the polling 
     * 
     * @param request
     *            the http request object
     * @param request
     *            the http response object
     */
    public void run(HttpServletRequest request, HttpServletResponse response) {

        HttpSession session = request.getSession(false);
        if (session != null) {

            Object oData = session.getAttribute(OAuth20Handler.CREDENTIALS);

            if (oData != null) {

                String oName = oData.getClass().getSimpleName();
                if (oName.contains("OAuth20Data")) {
                    response.setStatus(HttpStatus.SC_OK);
                } else {
                    logger.log(Level.WARNING, "Error on getting credentials - bad value for odata");
                    response.setStatus(HttpStatus.SC_BAD_REQUEST);
                }

            } else {
                logger.log(Level.WARNING, "No OAuth2.0 Credentials Found during Polling");
                response.setStatus(HttpStatus.SC_NO_CONTENT);
            }

        } else {
            // When there is no session, set SC_BAD_REQUEST
            logger.log(Level.WARNING, "Invalid Session - Cookie found/exists - " + request.getHeader("Cookie"));
            response.setStatus(HttpStatus.SC_BAD_REQUEST);
        }

    }

}