Java example to create .properties
file from XML file. This code can be used to read properties key-values from XML file, to be used in the application code.
Properties to XML Example
To convert XML file into properties file, best way is to use java.util.Properties
class. Process is :
- Load XML file into
java.util.Properties
class object, usingProperties.loadFromXML()
method. - Use
Properties.store()
method to write the content as properties.
package com.howtodoinjava.demo; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.InvalidPropertiesFormatException; import java.util.Properties; public class XMLToProperties { public static void main(String[] args) throws InvalidPropertiesFormatException, IOException { String outPropertiesFile = "application.properties"; String inXmlFile = "applicationProperties.xml"; InputStream inStream = new FileInputStream(inXmlFile); //Input XML File OutputStream outStream = new FileOutputStream(outPropertiesFile); //Output properties File Properties props = new Properties(); //Load XML file props.loadFromXML(inStream); //Store to properties file props.store(outStream, "Converted from applicationProperties.xml"); //Use properties in code System.out.println(props.get("input.dir")); //Prints 'c:/temp/input' } }
Input XML File
<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd"> <properties> <comment>application.properties</comment> <entry key="input.dir">c:/temp/input</entry> <entry key="spring.batch.job.enabled">false</entry> <entry key="spring.main.banner-mode">off</entry> </properties>
Output Properties File
#Converted from applicationProperties.xml #Mon Jul 23 18:15:00 IST 2018 spring.batch.job.enabled=false input.dir=c\:/temp/input spring.main.banner-mode=off
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Happy Learning !!
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