I want to parse a String that i have into a Number. This is the Code that i’m using but not working: This results in a java.text.ParseException So i want to match the String into a number, i don’t really care about the currency, but it would be nice to have. I want the following kind of Strings ma…
Tag: parsing
How to abbreviate HTML with Java?
A user enters text as HTML in a form, for example: I want to be able to output only a part of the string ( for example the first 20 characters ) without breaking the HTML structure of the user’s input. In this case: which renders as Is there a Java library able to do this, or a simple method
How can I scan a maven repository?
I’m developing a code-sharing plugin for eclipse (for a bachelor thesis project). Currently I’m trying to scan a maven repository and generate a package list. I can download and parse a pom.xml using the maven.model classes, but I can’t figure out which maven classes are responsible for pars…
Parsing an arithmetic expression and building a tree from it in Java
I needed some help with creating custom trees given an arithmetic expression. Say, for example, you input this arithmetic expression: The result tree should look like: I have some custom classes to represent the different types of nodes, i.e. PlusOp, LeafInt, etc. I don’t need to evaluate the expression…
Convert Month String to Integer in Java
Given a month string such as: Is there any core Java or third party library functionality that would allow you to convert this string to the corresponding month number in a locale agnostic way? Answer An alternative to SimpleDateFormat using Joda time:
How can I efficiently parse HTML with Java?
I do a lot of HTML parsing in my line of work. Up until now, I was using the HtmlUnit headless browser for parsing and browser automation. Now, I want to separate both the tasks. I want to use a light HTML parser because it takes much time in HtmlUnit to first load a page, then get the source and
Remove HTML tags from a String
Is there a good way to remove HTML from a Java string? A simple regex like will work, but some things like & won’t be converted correctly and non-HTML between the two angle brackets will be removed (i.e. the .*? in the regex will disappear). Answer Use a HTML parser instead of regex. This is dea…