/* * 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 java.text.DecimalFormat; import java.util.LinkedHashMap; import java.util.Map; 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 org.traccar.helper.Log; import org.traccar.web.JsonConverter; /** * 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(); } }