br.com.jhonsapp.file.manager.implementation.LocalHDFileManager Maven / Gradle / Ivy

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File Manager is an open source project created by Jhonys Camacho and Jhonathan Camacho to facilitate the file management in local and remote repositories.

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package br.com.jhonsapp.file.manager.implementation;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import br.com.jhonsapp.file.manager.contract.AbstractFileManager;
import br.com.jhonsapp.file.manager.file.FileEntity;
import br.com.jhonsapp.util.file.FileVerifier;
import br.com.jhonsapp.util.verifier.StringVerifier;

/**
 * This class is responsible for manipulating files in a local directory.
 * 
 * @author Jhonathan Camacho
 */
public class LocalHDFileManager extends AbstractFileManager {

	/**
	 * Generated serial version id created at 09 July 2017.
	 */
	private static final long serialVersionUID = -4504893324193495328L;

	public LocalHDFileManager(String repositoryPath) {
		super(repositoryPath);
	}

	@Override
	public boolean insert(FileEntity entity) {

		try {
			this.remove(entity.getName());

			String path = getRepositoryPath();
			FileOutputStream fileOutput = new FileOutputStream(path + entity.getAbsoluteName());
			fileOutput.write(entity.getByte());
			fileOutput.close();

			return true;
		} catch (IOException e) {
			return false;
		}
	}

	@Override
	public boolean remove(String fileName) {

		if (this.hasFile(fileName)) {
			File file = this.findFile(fileName);
			file.delete();
			return true;
		} else {
			return false;
		}
	}

	@Override
	public FileEntity getFile(String fileName) {

		File file = this.findFile(fileName);

		if (FileVerifier.isValid(file)) {

			String[] s = file.getName().split("[.]");

			return FileEntity.createFile(s[0], s[1], file);
		} else {			
			return null;
		}
	}

	@Override
	public boolean hasFile(String fileName) {
		return this.findFile(fileName) != null;
	}

	private File findFile(String fileName) {

		if (StringVerifier.isBlanck(fileName))
			throw new IllegalArgumentException("The fileName cannot be null.");

		File arquivo = null;

		File[] lista = new File(this.getRepositoryPath()).listFiles();

		for (int i = 0; i < lista.length; i++) {

			if (lista[i].getName().contains(fileName)) {

				arquivo = lista[i];
				break;
			}
		}

		return arquivo;
	}

}