XML to Java Class Generator
XML to Java Class Generator is a free online tool that creates Java classes from XML structure, helping developers quickly generate models with annotations and collection types.
What Is an XML to Java Class Generator?
An XML to Java Class Generator analyzes an XML document and creates Java classes based on its elements, attributes, and nested structures. Instead of manually writing Java fields and mapping XML data, developers can paste XML into the generator and produce corresponding Java model classes.
The generated classes can be configured with options such as:
Package name for organizing generated Java classes
Root class name for defining the primary model
Annotation style such as Jackson XML
Collection type such as List for repeated XML elements
For example, an XML document containing a Library element with multiple Book elements can generate a Library class containing a collection of Book objects.
How to Generate Java Classes From XML
Generating Java classes from XML with the ToolkitCore tool takes a few simple steps.
Enter the Java package where the generated classes will belong.
Enter a suitable class name based on the root XML element.
Choose the required annotation style, such as Jackson XML, and select a collection type such as List when the XML contains repeated elements.
Click Generate to analyze the XML structure and create the corresponding Java classes. The generated output can then be copied or downloaded.
XML to Java Class Example
Input:
<Library>
<Book>
<title>Clean Code</title>
<author>Robert Martin</author>
</Book>
</Library>
The generator can identify Library as the root structure and Book as a nested object. The resulting Java model can contain a List<Book> field when multiple books are represented in the XML. Keep Annotation Jackson and collection type select “List”.
Output:
package com.example.model;
import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlRootElement;
import java.util.List;
@JacksonXmlRootElement(localName = "Library")
public class Library {
@JacksonXmlProperty(localName = "Book")
private Book book;
public Book getBook() {
return book;
}
public void setBook(Book book) {
this.book = book;
}
}
@JacksonXmlRootElement(localName = "Book")
public class Book {
@JacksonXmlProperty(localName = "title")
private String title;
@JacksonXmlProperty(localName = "author")
private String author;
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
}
When to Use XML to Java Class Generation
An XML-to-Java generator can save development time when Java applications need classes corresponding to existing XML data. Common use cases include:
Mapping XML API responses to Java objects
Creating Java models from existing XML documents
Working with Jackson XML annotations
Handling nested XML structures
Representing repeated XML elements with collections
Prototyping Java data models
Reducing repetitive model-class coding