| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.usergrid.android.sdk.utils; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| import java.util.UUID; |
| |
| import org.apache.usergrid.android.sdk.exception.ClientException; |
| import com.fasterxml.jackson.core.JsonGenerationException; |
| import com.fasterxml.jackson.core.JsonParser; |
| import com.fasterxml.jackson.databind.JsonMappingException; |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.JsonNodeFactory; |
| |
| public class JsonUtils { |
| |
| |
| static ObjectMapper mapper = new ObjectMapper(); |
| |
| public static String getStringProperty(Map<String, JsonNode> properties, |
| String name) { |
| JsonNode value = properties.get(name); |
| if (value != null) { |
| return value.asText(); |
| } |
| return null; |
| } |
| |
| public static void setStringProperty(Map<String, JsonNode> properties, |
| String name, String value) { |
| if (value == null) { |
| properties.remove(name); |
| } else { |
| properties.put(name, JsonNodeFactory.instance.textNode(value)); |
| } |
| } |
| |
| public static Long getLongProperty(Map<String, JsonNode> properties, |
| String name) { |
| JsonNode value = properties.get(name); |
| if (value != null) { |
| return value.asLong(0); |
| } |
| return null; |
| } |
| |
| public static void setLongProperty(Map<String, JsonNode> properties, |
| String name, Long value) { |
| if (value == null) { |
| properties.remove(name); |
| } else { |
| properties.put(name, JsonNodeFactory.instance.numberNode(value)); |
| } |
| } |
| |
| public static void setFloatProperty(Map<String, JsonNode> properties, String name, Float value){ |
| if(value == null){ |
| properties.remove(name); |
| }else{ |
| properties.put(name, JsonNodeFactory.instance.numberNode(value)); |
| } |
| } |
| |
| public static Boolean getBooleanProperty(Map<String, JsonNode> properties, |
| String name) { |
| JsonNode value = properties.get(name); |
| if (value != null) { |
| return value.asBoolean(); |
| } |
| return false; |
| } |
| |
| public static void setBooleanProperty(Map<String, JsonNode> properties, |
| String name, Boolean value) { |
| if (value == null) { |
| properties.remove(name); |
| } else { |
| properties.put(name, JsonNodeFactory.instance.booleanNode(value)); |
| } |
| } |
| |
| public static UUID getUUIDProperty(Map<String, JsonNode> properties, |
| String name) { |
| JsonNode value = properties.get(name); |
| if (value != null) { |
| UUID uuid = null; |
| try { |
| uuid = UUID.fromString(value.asText()); |
| } catch (Exception e) { |
| } |
| return uuid; |
| } |
| return null; |
| } |
| |
| public static void setUUIDProperty(Map<String, JsonNode> properties, |
| String name, UUID value) { |
| if (value == null) { |
| properties.remove(name); |
| } else { |
| properties.put(name, |
| JsonNodeFactory.instance.textNode(value.toString())); |
| } |
| } |
| |
| public static String toJsonString(Object obj) { |
| try { |
| return mapper.writeValueAsString(obj); |
| } catch (JsonGenerationException e) { |
| throw new ClientException("Unable to generate json", e); |
| } catch (JsonMappingException e) { |
| throw new ClientException("Unable to map json", e); |
| } catch (IOException e) { |
| throw new ClientException("IO error", e); |
| } |
| } |
| |
| public static <T> T parse(String json, Class<T> c) { |
| try { |
| return mapper.readValue(json, c); |
| } catch (JsonGenerationException e) { |
| throw new ClientException("Unable to generate json", e); |
| } catch (JsonMappingException e) { |
| throw new ClientException("Unable to map json", e); |
| } catch (IOException e) { |
| throw new ClientException("IO error", e); |
| } |
| } |
| |
| public static JsonNode toJsonNode(Object obj) { |
| return mapper.convertValue(obj, JsonNode.class); |
| } |
| |
| public static <T> T fromJsonNode(JsonNode json, Class<T> c) { |
| try { |
| JsonParser jp = json.traverse(); |
| return mapper.readValue(jp, c); |
| } catch (JsonGenerationException e) { |
| throw new ClientException("Unable to generate json", e); |
| } catch (JsonMappingException e) { |
| throw new ClientException("Unable to map json", e); |
| } catch (IOException e) { |
| throw new ClientException("IO error", e); |
| } |
| } |
| |
| public static <T> T getObjectProperty(Map<String, JsonNode> properties, |
| String name, Class<T> c) { |
| JsonNode value = properties.get(name); |
| if (value != null) { |
| return fromJsonNode(value, c); |
| } |
| return null; |
| } |
| |
| public static void setObjectProperty(Map<String, JsonNode> properties, |
| String name, Object value) { |
| if (value == null) { |
| properties.remove(name); |
| } else { |
| properties.put(name, |
| JsonNodeFactory.instance.textNode(value.toString())); |
| } |
| } |
| |
| } |