/*******************************************************************************
* Copyright 2014 The MITRE Corporation
* and the MIT Kerberos and 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.discovery.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.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.validation.BeanPropertyBindingResult;
import org.springframework.web.servlet.view.AbstractView;
import com.google.gson.ExclusionStrategy;
import com.google.gson.FieldAttributes;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
/**
* @author jricher
*
*/
@Component("webfingerView")
public class WebfingerView extends AbstractView {
private static Logger logger = LoggerFactory.getLogger(WebfingerView.class);
private Gson gson = new GsonBuilder()
.setExclusionStrategies(new ExclusionStrategy() {
@Override
public boolean shouldSkipField(FieldAttributes f) {
return false;
}
@Override
public boolean shouldSkipClass(Class<?> clazz) {
// skip the JPA binding wrapper
if (clazz.equals(BeanPropertyBindingResult.class)) {
return true;
}
return false;
}
})
.serializeNulls()
.setDateFormat("yyyy-MM-dd'T'HH:mm:ssZ")
.create();
@Override
protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request, HttpServletResponse response) {
response.setContentType("application/jrd+json");
HttpStatus code = (HttpStatus) model.get("code");
if (code == null) {
code = HttpStatus.OK; // default to 200
}
response.setStatus(code.value());
try {
String resource = (String)model.get("resource");
String issuer = (String)model.get("issuer");
JsonObject obj = new JsonObject();
obj.addProperty("subject", resource);
JsonArray links = new JsonArray();
JsonObject link = new JsonObject();
link.addProperty("rel", "http://openid.net/specs/connect/1.0/issuer");
link.addProperty("href", issuer);
links.add(link);
obj.add("links", links);
Writer out = response.getWriter();
gson.toJson(obj, out);
} catch (IOException e) {
logger.error("IOException in JsonEntityView.java: ", e);
}
}
}