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Revision d57c0094

Added by Andreas Müller over 15 years ago

Copy File problem solved

View differences:

.gitattributes
231 231
cdmlib-commons/src/main/java/eu/etaxonomy/cdm/common/CdmUtils.java -text
232 232
cdmlib-commons/src/main/java/eu/etaxonomy/cdm/common/DoubleResult.java -text
233 233
cdmlib-commons/src/main/java/eu/etaxonomy/cdm/common/ExcelUtils.java -text
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cdmlib-commons/src/main/java/eu/etaxonomy/cdm/common/FileCopy.java -text
234 235
cdmlib-commons/src/main/java/eu/etaxonomy/cdm/common/MediaMetaData.java -text
235 236
cdmlib-commons/src/main/java/eu/etaxonomy/cdm/common/ResultWrapper.java -text
236 237
cdmlib-commons/src/main/java/eu/etaxonomy/cdm/common/XmlHelp.java -text
cdmlib-commons/src/main/java/eu/etaxonomy/cdm/common/FileCopy.java
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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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 * @created 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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