# Class: com.pnfsoftware.jeb.util.encoding.JsonUtil JSON utility methods backed by Jackson. ## Static Method: copy - parameter: `map`, type: `java.util.Map` - return type: `java.util.Map` Description: Deep copy a Json object. parameter: map: the input Json object return: a copy of the input Json object throws: ## Static Method: formatJson - parameter: `json`, type: `java.lang.String` - return type: `java.lang.String` Description: Pretty\-print a JSON document. parameter: json: input JSON document return: formatted JSON document throws: if the input cannot be parsed or serialized ## Static Method: get - parameter: `map`, type: `java.util.Map` - parameter: `path`, type: `java.lang.String` - return type: `java.lang.Object` Description: Retrieve the value inside a Json object. This method throws if the path is incorrect or invalid. parameter: map: Json object parameter: path: path, such as: `foo.bar[2].blah[0][3].x` return: the object \(may be null\) ## Static Method: jsonToMap - parameter: `str`, type: `java.lang.String` - return type: `java.util.Map` Description: Parse a JSON object into a string\-keyed map. parameter: str: JSON object text return: parsed map throws: if the input cannot be parsed as a JSON object ## Static Method: jsonToObject - parameter: `str`, type: `java.lang.String` - return type: `java.lang.Object` Description: Parse JSON text into the default Jackson representation. parameter: str: JSON text return: parsed value throws: if the input cannot be parsed ## Static Method: jsonToPojo - parameter: `str`, type: `java.lang.String` - parameter: `clz`, type: `java.lang.Class` - return type: `T` Description: Parse JSON text and convert it to a POJO. parameter: str: JSON text parameter: clz: target class return: converted object parameter: T: target type throws: if the input cannot be parsed ## Static Method: map - parameter: `k`, type: `java.lang.String` - parameter: `v`, type: `java.lang.Object` - return type: `java.util.Map` Description: Create an insertion\-ordered map containing one entry. parameter: k: entry key parameter: v: entry value return: new map ## Static Method: map - parameter: `k1`, type: `java.lang.String` - parameter: `v1`, type: `java.lang.Object` - parameter: `k2`, type: `java.lang.String` - parameter: `v2`, type: `java.lang.Object` - return type: `java.util.Map` Description: Create an insertion\-ordered map containing two entries. parameter: k1: first entry key parameter: v1: first entry value parameter: k2: second entry key parameter: v2: second entry value return: new map ## Static Method: map - parameter: `k1`, type: `java.lang.String` - parameter: `v1`, type: `java.lang.Object` - parameter: `k2`, type: `java.lang.String` - parameter: `v2`, type: `java.lang.Object` - parameter: `k3`, type: `java.lang.String` - parameter: `v3`, type: `java.lang.Object` - return type: `java.util.Map` Description: Create an insertion\-ordered map containing three entries. parameter: k1: first entry key parameter: v1: first entry value parameter: k2: second entry key parameter: v2: second entry value parameter: k3: third entry key parameter: v3: third entry value return: new map ## Static Method: map - parameter: `k1`, type: `java.lang.String` - parameter: `v1`, type: `java.lang.Object` - parameter: `k2`, type: `java.lang.String` - parameter: `v2`, type: `java.lang.Object` - parameter: `k3`, type: `java.lang.String` - parameter: `v3`, type: `java.lang.Object` - parameter: `k4`, type: `java.lang.String` - parameter: `v4`, type: `java.lang.Object` - return type: `java.util.Map` Description: Create an insertion\-ordered map containing four entries. parameter: k1: first entry key parameter: v1: first entry value parameter: k2: second entry key parameter: v2: second entry value parameter: k3: third entry key parameter: v3: third entry value parameter: k4: fourth entry key parameter: v4: fourth entry value return: new map ## Static Method: mapToPojo - parameter: `map`, type: `java.util.Map` - parameter: `clz`, type: `java.lang.Class` - return type: `T` Description: Convert a string\-keyed map to a POJO. parameter: map: map to convert parameter: clz: target class return: converted object parameter: T: target type ## Static Method: objectToJson - parameter: `obj`, type: `java.lang.Object` - return type: `java.lang.String` Description: Serialize an object to a pretty\-printed JSON document. parameter: obj: object to serialize return: JSON document throws: if the object cannot be serialized ## Static Method: pojoToMap - parameter: `obj`, type: `java.lang.Object` - return type: `java.util.Map` Description: Convert a POJO to a string\-keyed map. parameter: obj: object to convert return: converted map ## Static Method: remove - parameter: `map`, type: `java.util.Map` - parameter: `path`, type: `java.lang.String` - return type: `java.lang.Object` Description: Remove an entry inside a Json object. This method throws if the path is incorrect or invalid. parameter: map: Json object parameter: path: path, such as: `"foo.bar[2].blah[0][3].x"` return: the deleted value \(may be null\) ## Static Method: replace - parameter: `map`, type: `java.util.Map` - parameter: `path`, type: `java.lang.String` - parameter: `repl`, type: `java.lang.Object` - return type: `java.lang.Object` Description: Replace a value inside a Json object. This method throws if the path is incorrect or invalid. parameter: map: Json object parameter: path: path, such as: `"foo.bar[2].blah[0][3].x"` parameter: repl: the new object \(may be null; the associated key will not be removed\) return: the previous value \(may be null\) ## Static Method: toPojo - parameter: `obj`, type: `java.lang.Object` - parameter: `clz`, type: `java.lang.Class` - return type: `T` Description: Convert a Map or parse a JSON text and to a POJO. parameter: obj: a Map or a JSON string parameter: clz: target class return: converted object parameter: T: target type throws: if the input cannot be parsed