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/*-
* ============LICENSE_START=======================================================
* ONAP-PAP-REST
* ================================================================================
* Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.pap.xacml.rest.util;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.json.JSONObject;
import org.onap.policy.rest.dao.CommonClassDao;
import org.onap.policy.rest.jpa.Category;
import org.onap.policy.rest.jpa.Datatype;
import org.onap.policy.rest.jpa.UserInfo;
import org.onap.policy.xacml.api.XACMLErrorConstants;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.servlet.ModelAndView;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
@Service
public class DictionaryUtils {
private static final Log LOGGER = LogFactory.getLog(DictionaryUtils.class);
private static String apiflag = "apiflag";
private static String operation = "operation";
private static String duplicateResponseString = "Duplicate";
private static String utf8 = "UTF-8";
private static String applicationJsonContentType = "application / json";
private static CommonClassDao commonClassDao;
public static DictionaryUtils dictionaryUtils;
public static synchronized DictionaryUtils getDictionaryUtils() {
return dictionaryUtils;
}
public static synchronized void setDictionaryUtils(DictionaryUtils dictionaryUtils) {
DictionaryUtils.dictionaryUtils = dictionaryUtils;
}
@Autowired
public DictionaryUtils(CommonClassDao commonClassDao){
DictionaryUtils.commonClassDao = commonClassDao;
}
public DictionaryUtils(){
super();
}
public UserInfo getUserInfo(String loginId){
return (UserInfo) commonClassDao.getEntityItem(UserInfo.class, "userLoginId", loginId);
}
public boolean isRequestFromAPI(HttpServletRequest request){
return request.getParameter(apiflag)!=null && "api".equalsIgnoreCase(request.getParameter(apiflag));
}
public String appendKey(List<Object> objects, String key1, String appendValue){
StringBuilder userValue = new StringBuilder();
int counter = 0;
for(Object attribute : objects){
if(attribute instanceof LinkedHashMap<?, ?>){
String key = ((LinkedHashMap<?, ?>) attribute).get(key1).toString();
if(counter>0){
userValue.append(appendValue);
}
userValue.append(key);
counter ++;
}
}
return userValue.toString();
}
public String appendKeyValue(List<Object> objects, String append1, String append2){
StringBuilder header = new StringBuilder();
int counter = 0;
for(Object attribute : objects){
if(attribute instanceof LinkedHashMap<?, ?>){
String key = ((LinkedHashMap<?, ?>) attribute).get("option").toString();
String value = ((LinkedHashMap<?, ?>) attribute).get("number").toString();
if(counter>0){
header.append(append1);
}
header.append(key).append(append2).append(value);
counter ++;
}
}
return header.toString();
}
public Datatype getDataType(String datatype){
Datatype a = new Datatype();
if("string".equalsIgnoreCase(datatype)){
a.setId(26);
}else if("integer".equalsIgnoreCase(datatype)){
a.setId(12);
}else if("boolean".equalsIgnoreCase(datatype)){
a.setId(18);
}else if("double".equalsIgnoreCase(datatype)){
a.setId(25);
}else if("user".equalsIgnoreCase(datatype)){
a.setId(29);
}
return a;
}
public Category getCategory(){
return (Category) commonClassDao.getDataById(Category.class, "shortName", "resource").get(0);
}
public ModelAndView getResultForApi(String inResponseString){
String responseString = inResponseString;
if(responseString!=null && !duplicateResponseString.equals(responseString)){
responseString = "Success";
}
ModelAndView result = new ModelAndView();
result.setViewName(responseString);
return result;
}
public void setResponseData(HttpServletResponse response, String key, String responseString) throws IOException{
response.setCharacterEncoding(utf8);
response.setContentType(applicationJsonContentType);
PrintWriter out = response.getWriter();
JSONObject j = new JSONObject("{"+key+":" + responseString + "}");
out.write(j.toString());
}
public void setErrorResponseData(HttpServletResponse response, Exception e) throws IOException{
LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + e);
response.setCharacterEncoding(utf8);
PrintWriter out = response.getWriter();
out.write(e.getMessage());
}
@SuppressWarnings("rawtypes")
public void getDataByEntity(HttpServletResponse response, String key, String value, Class className){
try{
Map<String, Object> model = new HashMap<>();
ObjectMapper mapper = new ObjectMapper();
model.put(key, mapper.writeValueAsString(commonClassDao.getDataByColumn(className, value)));
JsonMessage msg = new JsonMessage(mapper.writeValueAsString(model));
JSONObject j = new JSONObject(msg);
response.getWriter().write(j.toString());
}catch(Exception e){
LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + e);
}
}
@SuppressWarnings("rawtypes")
public void getData(HttpServletResponse response, String key, Class className){
try{
Map<String, Object> model = new HashMap<>();
ObjectMapper mapper = new ObjectMapper();
model.put(key, mapper.writeValueAsString(commonClassDao.getData(className)));
JsonMessage msg = new JsonMessage(mapper.writeValueAsString(model));
JSONObject j = new JSONObject(msg);
response.addHeader("successMapKey", "success");
response.addHeader(operation, "getDictionary");
response.getWriter().write(j.toString());
}catch(Exception e){
LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + e);
response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
response.addHeader("error", "dictionaryDBQuery");
}
}
@SuppressWarnings("unchecked")
public void removeData(HttpServletRequest request, HttpServletResponse response, String key, @SuppressWarnings("rawtypes") Class className) throws IOException{
try{
ObjectMapper mapper = new ObjectMapper();
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
JsonNode root = mapper.readTree(request.getReader());
commonClassDao.delete((Object)mapper.readValue(root.get("data").toString(), className));
String responseString = mapper.writeValueAsString(commonClassDao.getData(className));
setResponseData(response, key, responseString);
}catch(Exception e){
setErrorResponseData(response, e);
}
}
}
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