JDOM
 | This article contains instructions or advice. (May 2011) |
| JDOM | |
|---|---|
| Stable release | 2.0.6.1
/ December 9, 2021 |
| Written in | Java |
| Operating system | Cross-platform |
| Type | XML binding |
| License | Similar to Apache License |
| Website | jdom |
| Repository | |
JDOM is an open-source Java-based document object model for XML that was designed specifically for the Java platform so that it can take advantage of its language features.[1] JDOM integrates with Document Object Model (DOM) and Simple API for XML (SAX), supports XPath and XSLT.[2] It uses external parsers to build documents. JDOM was developed by Jason Hunter and Brett McLaughlin starting in March 2000.[3] It has been part of the Java Community Process as JSR 102, though that effort has since been abandoned.[4]
Examples
Suppose the file "foo.xml" contains this XML document:
<shop name="shop for geeks" location="Tokyo, Japan">
<computer name="iBook" price="1200$" />
<comic_book name="Dragon Ball vol 1" price="9$" />
<geekyness_of_shop price="priceless" />
</shop>
One can parse the XML file into a tree of Java objects with JDOM, like so:
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(new FileInputStream("foo.xml"));
Element root = doc.getRootElement();
// root.getName() is "shop"
// root.getAttributeValue("name") is "shop for geeks"
// root.getAttributeValue("location") is "Tokyo, Japan"
// root.getChildren() is a java.util.List object that contains 3 Element objects.
In case you do not want to create the document object from any file or any input stream, you can create the document object against the element.
Element root = new Element("shop"); // here <shop></shop> is the root
Document doc = new Document(root); // create a new document with the supplied element as the root
As a converse, one can construct a tree of elements, then generate an XML file from it, as in the following example:
Element root = new Element("shop");
root.setAttribute("name", "shop for geeks");
root.setAttribute("location", "Tokyo, Japan");
Element item1 = new Element("computer");
item1.setAttribute("name", "iBook");
item1.setAttribute("price", "1200$");
root.addContent(item1);
// perform similar steps for other elements
XMLOutputter outputter = new XMLOutputter();
outputter.output(new Document(root), new FileOutputStream ("foo2.xml"));
References
- ^ "JDOM". Maven Repository. Retrieved October 14, 2024.
- ^ "How to read XML file in Java – (JDOM Parser)". Mkyong.com. 21 December 2009. Retrieved October 14, 2024.
- ^ "artima - A Design Review of JDOM". www.artima.com. Retrieved 2024-10-14.
- ^ "The Java Community Process(SM) Program - JSRs: Java Specification Requests - detail JSR# 102". www.jcp.org. Retrieved 2024-10-14.
External links
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