Java File Append Text appendText(String out, String text)

Description

append Text

License

Apache License

Declaration

public static void appendText(String out, String text) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.*;

public class Main {
    public static void appendText(String out, String text) {
        try {/*from www  .ja v a 2 s. c om*/
            writeText(new FileWriter(out, true), text);
        } catch (IOException ex) {
            throw new IllegalArgumentException("Cannot append to file " + out);
        }
    }

    public static void appendText(File out, String text) {
        if (out.getParentFile() != null)
            guaranteeDirectory(out.getParentFile());
        try {
            FileWriter outWriter = null;
            if (out.exists())
                outWriter = new FileWriter(out, true);
            else
                outWriter = new FileWriter(out);
            writeText(outWriter, text);
        } catch (IOException ex) {
            throw new IllegalArgumentException(
                    "Cannot append to file " + out.getAbsolutePath() + " because " + ex.getMessage());
        }
    }

    public static void writeText(String out, String text) {
        try {
            writeText(new FileWriter(out), text);
        } catch (IOException ex) {
            throw new IllegalArgumentException("Cannot create file " + out);
        }
    }

    public static void writeText(File out, String text) {
        try {
            writeText(new FileWriter(out), text);
        } catch (IOException ex) {
            throw new IllegalArgumentException("Cannot create file " + out.getAbsolutePath());
        }
    }

    public static void writeText(Writer out, String text) {
        PrintWriter realOut = new PrintWriter(out);
        realOut.print(text);
        realOut.close();
    }

    /**
     * for ce teh creation of directories for the file
     *
     * @param thefile non-null file
     * @throws IllegalArgumentException on failure
     */
    public static void guaranteeDirectory(File thefile) throws IllegalArgumentException {
        if (thefile.exists())
            return;
        File parentFile = thefile.getParentFile();
        if (parentFile == null)
            parentFile = new File(System.getProperty("user.dir"));
        if (parentFile.exists() && parentFile.isDirectory())
            return;
        boolean result = parentFile.mkdirs();
        if (!result)
            throw new IllegalArgumentException("Cannot create directoried for file " + thefile.getAbsolutePath());

    }
}

Related

1. appendText(File f, String text)
2. appendText(String path, String text)
3. appendTextString(File outputFile, String doc)
4. appendTextToFile(@Nonnull File target, String text)
5. appendTextToFile(File fileToAppend, Set linesToAppend)