org.mitre.openid.connect.view.ClientInformationResponseView.java Source code

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Here is the source code for org.mitre.openid.connect.view.ClientInformationResponseView.java

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/*******************************************************************************
 * Copyright 2016 The MITRE Corporation
 *   and the MIT Internet Trust Consortium
 *
 * 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 org.mitre.openid.connect.view;

import java.io.IOException;
import java.io.Writer;
import java.util.Map;

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

import org.mitre.oauth2.model.RegisteredClient;
import org.mitre.openid.connect.ClientDetailsEntityJsonProcessor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.view.AbstractView;

import com.google.gson.Gson;
import com.google.gson.JsonIOException;
import com.google.gson.JsonObject;

/**
 * 
 * Provides representation of a client's registration metadata, to be shown from the dynamic registration endpoint
 * on the client_register and rotate_secret operations.
 * 
 * @author jricher
 *
 */
@Component(ClientInformationResponseView.VIEWNAME)
public class ClientInformationResponseView extends AbstractView {

    /**
     * Logger for this class
     */
    private static final Logger logger = LoggerFactory.getLogger(ClientInformationResponseView.class);

    public static final String VIEWNAME = "clientInformationResponseView";

    // note that this won't serialize nulls by default
    private Gson gson = new Gson();

    /* (non-Javadoc)
     * @see org.springframework.web.servlet.view.AbstractView#renderMergedOutputModel(java.util.Map, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    @Override
    protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
            HttpServletResponse response) {

        response.setContentType(MediaType.APPLICATION_JSON_VALUE);

        RegisteredClient c = (RegisteredClient) model.get("client");
        //OAuth2AccessTokenEntity token = (OAuth2AccessTokenEntity) model.get("token");
        //String uri = (String)model.get("uri"); //request.getRequestURL() + "/" + c.getClientId();

        HttpStatus code = (HttpStatus) model.get(HttpCodeView.CODE);
        if (code == null) {
            code = HttpStatus.OK;
        }
        response.setStatus(code.value());

        JsonObject o = ClientDetailsEntityJsonProcessor.serialize(c);

        try {
            Writer out = response.getWriter();
            gson.toJson(o, out);
        } catch (JsonIOException e) {

            logger.error("JsonIOException in ClientInformationResponseView.java: ", e);

        } catch (IOException e) {

            logger.error("IOException in ClientInformationResponseView.java: ", e);

        }

    }

}