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import java.io.FileInputStream;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.InputStreamReader;
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import org.apache.log4j.Logger;
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/**
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/**
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 * Utility functions
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 * Utility functions
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 *
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 *
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 * @author rajveer
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 * @author rajveer
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 *
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 *
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 */
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 */
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public class FileUtils {
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public class FileUtils {
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	private static Logger log = Logger.getLogger(Class.class);
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	public static String read(String filename) throws IOException  {
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	public static String read(String filename) throws IOException {
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		File f = new File(filename);
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		File f = new File(filename);
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		if(!f.exists()) {
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		if(!f.exists()) {
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			System.out.println(filename + " - does not exist");
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			throw new FileNotFoundException(filename + " - does not exist");
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			throw new FileNotFoundException();
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		}
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		}
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		StringBuilder textString = new StringBuilder();
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		StringBuilder textString = new StringBuilder();
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		FileInputStream fis = null;
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		FileInputStream fis = null;
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		try {
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		try {
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			BufferedReader br = new BufferedReader(new InputStreamReader(fis));
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			BufferedReader br = new BufferedReader(new InputStreamReader(fis));
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			String line;
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			String line;
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			while((line = br.readLine()) != null){
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			while((line = br.readLine()) != null){
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				textString.append(line+"\n");
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				textString.append(line+"\n");
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			}
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			}
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		} catch (IOException e) {
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			e.printStackTrace();
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			throw e;
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		}
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		finally {
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		} finally {
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			if(fis != null) {
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			if(fis != null)
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				fis.close();
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				fis.close();
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			}
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		}
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		}
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		System.out.println("Reading complete");
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		log.debug("Reading " + filename + " completed");
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		return textString.toString();
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		return textString.toString();
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	}
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	}
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	/**
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	/**