Java FileReader Read All readAllKeys(String propertyFileName, String xmlFileName)

Description

read all the keys from the given property files

License

Open Source License

Parameter

Parameter	Description
propertyFileName	a parameter
xmlFileName	a parameter

Exception

Parameter	Description
IOException	an exception

Declaration

private static void readAllKeys(String propertyFileName, String xmlFileName) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.FileInputStream;

import java.io.FileReader;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import java.util.Set;

public class Main {
    /**//from ww w.  jav a  2 s.c  o  m
     * read all the keys from the given property files
     * @param propertyFileName
     * @param xmlFileName
     * @throws IOException 
     */
    private static void readAllKeys(String propertyFileName, String xmlFileName) throws IOException {
        System.out.println("Start of readAllKeys");
        Properties prop = new Properties();
        FileReader reader = new FileReader(propertyFileName);
        prop.load(reader);
        Set<Object> keys = prop.keySet();
        for (Object obj : keys) {
            System.out.println(
                    propertyFileName + ":: Key=" + obj.toString() + "::value=" + prop.getProperty(obj.toString()));
        }
        //loading xml file now, first clear existing properties
        prop.clear();
        InputStream is = new FileInputStream(xmlFileName);
        prop.loadFromXML(is);
        keys = prop.keySet();
        for (Object obj : keys) {
            System.out.println(
                    xmlFileName + ":: Key=" + obj.toString() + "::value=" + prop.getProperty(obj.toString()));
        }
        //Now free all the resources
        is.close();
        reader.close();
        System.out.println("End of readAllKeys");
    }
}

Related

1. readAll(File file)
2. readAll(String path)
3. readAllLines(String filePath)