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package io;
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import java.io.BufferedInputStream;
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import java.io.BufferedWriter;
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import java.io.ByteArrayInputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.NoSuchElementException;
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public class FileWorker {
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public static byte[] loadByteArray(File file) throws IOException {
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byte fileContent[] = loadFileContent(file);
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byte buffer[];
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IZipReader input;
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try {
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input = new ZipInStream(new ByteArrayInputStream(fileContent));
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} catch (NoSuchElementException e) {
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System.out.println("Note: the file may be a special type of ZIP archive.");
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input = new InflaterInStream(new FileInputStream(file));
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}
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try {
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List<Byte> _buffer = new ArrayList<Byte>();
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while (true) {
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int value = input.read();
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if (value < 0) {
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break;
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} else {
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_buffer.add((byte) value);
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}
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}
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buffer = new byte[_buffer.size()];
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for (int i = 0; i < buffer.length; i++) {
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buffer[i] = _buffer.get(i);
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}
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System.out.println(String.format("The file is a%s ZIP archive...", input.getClass() == InflaterInStream.class ? " special" : ""));
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} catch (Exception e) {
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e.printStackTrace();
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System.out.println("The file is not a ZIP archive...");
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buffer = fileContent;
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} finally {
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input.close();
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}
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System.out.println("Bytes from the file were loaded correctly.");
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return buffer;
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}
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private static byte[] loadFileContent(File file) throws IOException {
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byte buffer[] = new byte[(int) file.length()];
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BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
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bis.read(buffer);
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bis.close();
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return buffer;
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}
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public static void saveJson(File file, String json) throws IOException {
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FileWriter fw = new FileWriter(file);
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BufferedWriter bw = new BufferedWriter(fw);
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bw.write(json);
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bw.flush();
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bw.close();
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}
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}
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