Hi can anyone help please? I am trying to format a date and time string. Currently it looks like this “20160112T110000Z” and I need it to be “2016-01-12T11:00:00Z” The string without the special characters are returned from a 3rd party recurrence library. I need to convert it to have t…
Tag: parsing
Unexpected character (“) at position 2 JSON Parser (Java)
Here is my JSON File beginning: And here is my Parser: I am trying to parse through this JSONfile using a FileReader and JSON and JSON-Simple libraries. I think my format of my JSON file is correct but I don’t know how to get past this error: Answer Your JSON is not correct. Kindly check It should be so…
Nested Boolean Expression Parser using ANTLR
I’m trying to parse a Nested Boolean Expression and get the individual conditions within the expression separately. For e.g., if the input string is: (A = a OR B = b OR C = c AND ((D = d AND E = e) OR (F = f AND G = g))) I would like to get the conditions with the
“Expected BEGIN_OBJECT but was STRING at line 1 column 1”
I have this method: And I want to parse a JSON with: But I get an error message: com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 1 Answer Even without seeing your JSON string you can tell from the error message that it is not the corr…
Can a part of XML be marshalled using JAXB (or JAXB + StAX)?
I have an XML structure which is very huge. I want to update the parts of this XML, by unmarshalling one element and then applying business logic. I am able to unmarshal a child element into a POJO. I want to make changes to this POJO in Java and then update it back to the XML at the same location.
Unparsable Date with colon-separated timezone
I’m trying to parse this String 2014-04-04T14:28:38+02:00 It should be ISO 8601 format. But i can’t parse it to a correct Date. I’ve tried the following: But I get always the message “unparseable Date” I can not change the example because it’s a value from a webservice. Cou…
Coding a propositional logic parser by hand
I need to do a parser for propositional logic. I pretend to do it by hand implemented like a recursive descent parser in java. My question is about the lexer, is it really needed for this job? I mean …
Efficient way to extract protocol data units from tcp byte stream
I’ve had two java projects (simple multiplayer games) that relied on a byte-based connection-oriented protocol for communication. In both cases I was unhappy with the implementation of the communication, since I couldn’t come up with an intelligent, non-verbose and object-orientied way of writing …
How parse 2013-03-13T20:59:31+0000 date string to Date
How to parse this format date string 2013-03-13T20:59:31+0000 to Date object? I’m trying on this way but it doesn’t work. I get this exception from the first line: java.lang.IllegalArgumentException: Illegal pattern character ‘T’ Answer DateFormat df = new SimpleDateFormat(“yyyy-…
How to parse a String variable into any data type in Java?
I want to build a method that can convert a String value to a given Field object data type through Java Reflection. Here is my code: String value = …; Class clazz = …