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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.common;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import org.apache.log4j.Logger;
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/**
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* @author a.mueller
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* @since 20.11.2008
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* @version 1.0
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*/
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public class FileCopy {
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private static final Logger logger = Logger.getLogger(FileCopy.class);
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// overwrite constants
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public static final int DO_OVERWRITE = 1;
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public static final int NO_OVERWRITE = 2;
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// default values
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private static int bufferSize = 4 * 1024;
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private static int overwrite = DO_OVERWRITE;
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/**
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* Copies a File to another directory
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* @param sourceFile
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* @param destinationDirectory
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* @param destFileName
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* @return
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* @throws IOException
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*/
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public static boolean copy(File sourceFile, File destinationDirectory, String destFileName)
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throws IOException {
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if (sourceFile == null){
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logger.debug("No sourcefile defined");
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throw new IOException("No sourcefile defined");
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}
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if (!sourceFile.isFile() || !sourceFile.canRead()) {
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logger.debug("Not a readable file: " + sourceFile.getName());
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throw new IOException("Not a readable file: " + sourceFile.getName());
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}
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if (destFileName == null || destFileName.equals("")){
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destFileName = sourceFile.getName();
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}
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InputStream in = new FileInputStream(sourceFile);
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copy(in, destinationDirectory, destFileName);
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if (!destinationDirectory.isDirectory()) {
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logger.warn("Not a directory: " + destinationDirectory.getName());
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return false;
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}
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File destinationFile = new File(destinationDirectory, destFileName);
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OutputStream out = new FileOutputStream(destinationFile);
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return copy(in, out);
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}
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public static boolean copy(InputStream in, File destinationDirectory, String destFileName)
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throws IOException {
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if (!destinationDirectory.isDirectory()) {
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throw new IOException("Destination is not a directory");
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}
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if (destFileName == null || destFileName.equals("")){
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throw new IOException("No destination file name specified");
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}
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File destinationFile = new File(destinationDirectory, destFileName);
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OutputStream out = new FileOutputStream(destinationFile);
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return copy(in, out);
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}
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public static boolean copy(InputStream in, OutputStream out)
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throws IOException {
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byte[] buffer = new byte[bufferSize];
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int bytesRead;
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while ((bytesRead = in.read(buffer)) >= 0) {
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out.write(buffer, 0, bytesRead);
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}
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out.close();
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in.close();
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logger.debug("File copied");
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return true;
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}
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public static boolean copy(String source, String destDirectory, String destFileName)
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throws IOException {
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File sourceFile = new File(source);
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File destinationDir = new File(destDirectory);
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return copy(sourceFile, destinationDir, destFileName);
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}
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public static boolean copy(String source, String destDirectory)
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throws IOException {
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return copy(source, destDirectory, null);
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}
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/**
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* True if file
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* @param file File destination
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* @return true if data can be copied, false otherwise
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*/
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public static boolean doCopy(File file) {
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boolean exists = file.exists();
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if (overwrite == DO_OVERWRITE || !exists) {
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return true;
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} else if (overwrite == NO_OVERWRITE) {
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return false;
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} else{
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return false;
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}
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}
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}
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