Java Utililty Methods Object to Json

List of utility methods to do Object to Json

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Description

The list of methods to do Object to Json are organized into topic(s).

Method

StringtoJsonString(Object obj)
Utiliza Object Mapper do Jackson para transformar objeto pojo JAVA em string JSON. 
ObjectMapper mapper = new ObjectMapper();
String json = null;
try {
    json = mapper.writeValueAsString(obj);
} catch (JsonProcessingException jpe) {
    jpe.printStackTrace();
return json;
...
StringtoJSONString(Object object, boolean camelCaseToLowerCaseWithUnderscores)
to JSON String 
ObjectMapper mapper = camelCaseToLowerCaseWithUnderscores ? LCWU_OBJECT_MAPPER : OBJECT_MAPPER;
return mapper.writeValueAsString(object);
StringtoJsonString(T value)
to Json String 
try {
    return mapper.writeValueAsString(value);
} catch (JsonProcessingException e) {
    throw new IllegalArgumentException(String.format(
            "Illegal argument. Could not convert object %s to JSON string: (%s)", value, e.getMessage()));
StringwriteJSON(HashMap data)
write JSON 
if (data == null)
    return null;
String json = null;
try {
    json = mapper.writeValueAsString(data);
} catch (JsonProcessingException e) {
    e.printStackTrace();
if (json == null)
    json = "{}";
return json;
byte[]writeValueAsBytes(Object value)
write Value As Bytes 
try {
    return OBJECT_MAPPER.writeValueAsBytes(value);
} catch (JsonProcessingException e) {
    throw new IllegalStateException(e);
StringwriteValueAsIndentString(Object value)
write Value As Indent String 
return indentMapper.writeValueAsString(value);
StringwriteValueAsString(Object o)
write Value As String 
String t = mapper.writeValueAsString(o);
return t;
StringwriteValueAsString(Object obj)
write Value As String 
return objectMapper.writeValueAsString(obj);
StringwriteValueAsString(Object obj)
write Value As String 
try {
    return OBJECT_MAPPER.writeValueAsString(obj);
} catch (Exception e) {
    System.err.println(e.getMessage());
    return null;