FileUtil.java

/*
 * Encog(tm) Workbench v3.4
 * http://www.heatonresearch.com/encog/
 * https://github.com/encog/encog-java-workbench
 *
 * Copyright 2008-2016 Heaton Research, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *   
 * For more information on Heaton Research copyrights, licenses 
 * and trademarks visit:
 * http://www.heatonresearch.com/copyright
 */
package org.encog.workbench.util;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

import org.encog.workbench.EncogWorkBench;

public class FileUtil {
	public static String getFileName(File file)
	{
		String fileName = file.toString();
		int mid= fileName.lastIndexOf(".");
		if( mid==-1 ) {
			return fileName;
		}
	    return fileName.substring(0,mid); 
	}
	
	public static String getFileExt(File file)
	{
		String fileName = file.toString();
		int mid= fileName.lastIndexOf(".");
		if( mid==-1)
			return "";
	    return fileName.substring(mid+1,fileName.length()); 
	}
	
	 public static String readFileAsString(File filePath)
	    throws java.io.IOException{
	        StringBuffer fileData = new StringBuffer(1000);
	        BufferedReader reader = new BufferedReader(
	                new FileReader(filePath));
	        char[] buf = new char[1024];
	        int numRead=0;
	        while((numRead=reader.read(buf)) != -1){
	            String readData = String.valueOf(buf, 0, numRead);
	            fileData.append(readData);
	            buf = new char[1024];
	        }
	        reader.close();
	        return fileData.toString();
	    }

	public static String forceExtension(String name, String ext) {
		String b = getFileName(new File(name));
		return b + "." + ext;
	}

	public static void writeFileAsString(File path, String str)
			throws IOException {
       
		BufferedWriter o = new BufferedWriter(new FileWriter(path));
        o.write(str);
        o.close();
	}
	
	public static boolean checkOverWrite(File path) {
		if( path.exists() ) {
			return EncogWorkBench.askQuestion("Overwrite", "This file already exists.  Do you wish to overwrite it?");
		}
		return true;
	}
}