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/**
* Copyright 2017 ZTE Corporation.
*
* 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.openo.log.impl;
import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import org.codehaus.jackson.JsonProcessingException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
public class Facitility {
private static final Logger LOGGER = LoggerFactory.getLogger(Facitility.class.getName());
private Facitility() {
}
public static String oToJ(Object o) {
ObjectMapper om = new ObjectMapper();
Writer w = new StringWriter();
String json = null;
try {
om.setDateFormat(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ"));
om.writeValue(w, o);
json = w.toString();
w.close();
} catch (IOException e) {
LOGGER.error("IOException" + e);
}
return json;
}
public static Map<String, String> readJson2Map(String json) {
ObjectMapper objectMapper = new ObjectMapper();
try {
Map<String, String> maps = objectMapper.readValue(json, Map.class);
return maps;
} catch (Exception e) {
LOGGER.error("IOException" + e);
return null;
}
}
public static String hashMapToJson(HashMap<String, String> map) {
String string = "{";
for (Iterator it = map.entrySet().iterator(); it.hasNext();) {
Entry e = (Entry) it.next();
string += "\"" + e.getKey() + "\":";
string += "\"" + e.getValue() + "\",";
}
string = string.substring(0, string.lastIndexOf(","));
string += "}";
return string;
}
public static String dateFormat(Date date) {
SimpleDateFormat time = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ");
return time.format(date);
}
public static String checkRequiredParam(HashMap<String, Object> checkParamsMap) {
StringBuilder errMsg = new StringBuilder();
java.util.Iterator<String> hashMapIt = checkParamsMap.keySet().iterator();
int count = 0;
while (hashMapIt.hasNext()) {
String key = hashMapIt.next();
Object value = checkParamsMap.get(key);
if (value == null || "".equals(value)) {
errMsg.append(key);
count++;
if (count < checkParamsMap.size() - 1) {
errMsg.append(" and ");
}
}
}
if (count > 0) {
errMsg.append(" can't be null or \"\"!\n ");
}
return errMsg.toString();
}
public static String checkRequiredJsonParam(String jsonParam, String key) {
StringBuilder errMsg = new StringBuilder();
try {
ObjectMapper mapper = new ObjectMapper();
JsonNode jsonValue;
jsonValue = mapper.readTree(jsonParam.toString());
Iterator<Entry<String, JsonNode>> elements = jsonValue.fields();
while (elements.hasNext()) {
Entry<String, JsonNode> node = elements.next();
String childValue = node.getValue().asText();
if (childValue == null || "".equals(childValue)) {
errMsg.append(
"Both Chinese and English descriptions of this field cannot be empty: " + key + "/n");
break;
}
}
return errMsg.toString();
} catch (JsonProcessingException e) {
// TODO Auto-generated catch block
LOGGER.error("JsonProcessingException" + e);
return errMsg.toString();
} catch (IOException e) {
// TODO Auto-generated catch block
LOGGER.error("IOException" + e);
return errMsg.toString();
}
}
}
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