package com.levelup.java.io;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.junit.Test;

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

/**
 * This java example will demonstrate appending
 * text to a file.
 * 
 * @author Justin Musgrove
 * @see <a href='http://www.leveluplunch.com/java/examples/append-text-to-file/'>Append text to file</a>
 * 
 */
public class AppendTextToFile {
	
	private String OUTPUT_FILE_NAME = "bin/AppendTextToFile.txt";

	@Test
	public void append_to_file_java () throws IOException {
		
		File file = new File(OUTPUT_FILE_NAME);
		
		FileWriter fileWriter = new FileWriter(file, true);
		fileWriter.append("Append text to file w/ java");
		fileWriter.close();
	}

//	@Test
//	public void append_to_file_java_7 () {
//		
//		try(PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(OUTPUT_FILE_NAME, true)))) {
//			out.println("the text");
//		} catch (IOException e) {
//		    logger.error(e);
//		}
//
//	}
	
	@Test
	public void append_to_file_guava () throws IOException {
		
		File file = new File(OUTPUT_FILE_NAME);

		Files.append("Append text to file w/ guava", 
				file, 
				Charsets.UTF_8);
	}
	
	@Test
	public void append_to_file_apache () throws IOException {
	
		File file = new File(OUTPUT_FILE_NAME);
		
		FileUtils.writeStringToFile(
				file, 
				"Append text to file w/ apache", 
				true);
		
	}

}

package com.levelup.java.io;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.junit.Test;

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

/**
 * This java example will demonstrate appending
 * text to a file.
 * 
 * @author Justin Musgrove
 * @see <a href='http://www.leveluplunch.com/java/examples/append-text-to-file/'>Append text to file</a>
 * 
 */
public class AppendTextToFile {
	
	private static final String OUTPUT_FILE_NAME = "AppendTextToFile.txt";

	@Test
	public void append_to_file_java () throws IOException {
		
		File file = new File(OUTPUT_FILE_NAME);
		
		FileWriter fileWriter = new FileWriter(file, true);
		fileWriter.append("Append text to file w/ java");
		fileWriter.close();
	}

//	@Test
//	public void append_to_file_java_7 () {
//		
//		try(PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(OUTPUT_FILE_NAME, true)))) {
//			out.println("the text");
//		} catch (IOException e) {
//		    logger.error(e);
//		}
//
//	}
	
	@Test
	public void append_to_file_guava () throws IOException {
		
		File file = new File(OUTPUT_FILE_NAME);

		Files.append("Append text to file w/ guava", 
				file, 
				Charsets.UTF_8);
	}
	
	@Test
	public void append_to_file_apache () throws IOException {
	
		File file = new File(OUTPUT_FILE_NAME);
		
		FileUtils.writeStringToFile(
				file, 
				"Append text to file w/ apache", 
				true);
		
	}

}

remove bin