com.jeasyxbrl.conn.Connection.java Source code

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Here is the source code for com.jeasyxbrl.conn.Connection.java

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// Copyright (C) 2015 Marcio Alexandre Pereira da Silva
// All Rights Reserved.

// This file is part of jeasyXBRL-0.3.

// jeasyXBRL-0.3 is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.jeasyXBRL-0.3 is distributed in the 
// hope that it will be useful,but WITHOUT ANY WARRANTY; without even the 
// implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
// See the GNU General Public License for more details. You should check 
// the GNU General Public License in the link <http://www.gnu.org/licenses/>.

//  @author Marcio Alexandre
//  @email marcio.alexandre83@gmail.com
//  @site xbrlframework.com | marcioalexandre.wordpress.com
//  @since 2015-09-22

package com.jeasyxbrl.conn;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.File;
import java.io.IOException;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.xml.sax.SAXException;

import com.google.common.base.Charsets;
import com.google.common.io.Files;

public class Connection {

    /*
     * 
     * @param filename "just the path and name of XML file"
     */

    public BufferedReader getConnection(String filename) {
        try {
            return new BufferedReader(new FileReader(filename));
        } catch (FileNotFoundException e) {
            System.out.print("Error [jeasyxbrl].[conn].[Connection.java] " + e.getMessage());
            e.printStackTrace();
            return null;
        }
    }

    public String getConnectionGuava(String filename) { //google guava cache idea
        String contents = null;
        try {
            contents = Files.toString(new File(filename), Charsets.UTF_8);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return contents;
    }

    /*
     * Actually I'm not using this method, but it's still here for future coding, though
     * unfortuntely, this method sets my library in CC (cyclomatic complexity) number 4.
     * before it, the CC was 2.
     * 
     * @param filename "just the path and name of XML file"
     */
    public Document getConnectionXML(String filename) {
        Document doc = null;
        try {
            File inputFile = new File(filename);
            DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
            DocumentBuilder dBuilder = null;
            dBuilder = dbFactory.newDocumentBuilder();
            try {
                doc = dBuilder.parse(inputFile);
            } catch (SAXException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
        } catch (ParserConfigurationException e) {
            e.printStackTrace();
        }
        return doc;
    }
}