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/*
* Copyright 2013 - 2015 Anton Tananaev (anton.tananaev@gmail.com)
*
* 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.traccar.model;
import org.traccar.helper.Log;
import org.traccar.web.JsonConverter;
import javax.json.Json;
import javax.json.JsonNumber;
import javax.json.JsonObject;
import javax.json.JsonObjectBuilder;
import javax.json.JsonString;
import javax.json.JsonValue;
import java.text.DecimalFormat;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* Format extended tracker status
*/
public final class MiscFormatter {
private MiscFormatter() {
}
private static final String XML_ROOT_NODE = "info";
private static final DecimalFormat DECIMAL_FORMAT = new DecimalFormat("#.##");
private static String format(Object value) {
if (value instanceof Double || value instanceof Float) {
return DECIMAL_FORMAT.format(value);
} else {
return value.toString();
}
}
public static String toXmlString(Map<String, Object> attributes) {
StringBuilder result = new StringBuilder();
result.append("<").append(XML_ROOT_NODE).append(">");
for (Map.Entry<String, Object> entry : attributes.entrySet()) {
result.append("<").append(entry.getKey()).append(">");
result.append(format(entry.getValue()));
result.append("</").append(entry.getKey()).append(">");
}
result.append("</").append(XML_ROOT_NODE).append(">");
return result.toString();
}
public static JsonObject toJson(Map<String, Object> attributes) {
JsonObjectBuilder json = Json.createObjectBuilder();
for (Map.Entry<String, Object> entry : attributes.entrySet()) {
if (entry.getValue() instanceof String) {
json.add(entry.getKey(), (String) entry.getValue());
} else if (entry.getValue() instanceof Integer) {
json.add(entry.getKey(), (Integer) entry.getValue());
} else if (entry.getValue() instanceof Long) {
json.add(entry.getKey(), (Long) entry.getValue());
} else if (entry.getValue() instanceof Double) {
json.add(entry.getKey(), (Double) entry.getValue());
} else if (entry.getValue() instanceof Boolean) {
json.add(entry.getKey(), (Boolean) entry.getValue());
} else if (entry.getValue() == null) {
json.add(entry.getKey(), JsonValue.NULL);
} else {
json.add(entry.getKey(), JsonConverter.objectToJson(entry.getValue()));
}
}
return json.build();
}
public static Map<String, Object> fromJson(JsonObject json) {
Map<String, Object> attributes = new LinkedHashMap<>();
for (Map.Entry<String, JsonValue> entry : json.entrySet()) {
JsonValue.ValueType type = entry.getValue().getValueType();
switch (type) {
case STRING:
attributes.put(entry.getKey(), ((JsonString) entry.getValue()).getString());
break;
case NUMBER:
JsonNumber number = (JsonNumber) entry.getValue();
if (number.isIntegral()) {
attributes.put(entry.getKey(), number.longValue());
} else {
attributes.put(entry.getKey(), number.doubleValue());
}
break;
case TRUE:
attributes.put(entry.getKey(), true);
break;
case FALSE:
attributes.put(entry.getKey(), false);
break;
default:
Log.warning(new IllegalArgumentException(type.name()));
break;
}
}
return attributes;
}
public static String toJsonString(Map<String, Object> attributes) {
return toJson(attributes).toString();
}
}
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