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/** |
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$Id$ |
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Copyright (C) 2009 Nicklas Nordborg |
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This file is part of BASE - BioArray Software Environment. |
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Available at http://base.thep.lu.se/ |
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BASE is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 3 |
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of the License, or (at your option) any later version. |
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BASE is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with BASE. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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package net.sf.basedb.util.bfs; |
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import java.io.FileNotFoundException; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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/** |
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Generic implementation of a data writer factory that create |
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files on the local file system. The default file name generation |
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will generate file names of the form 'sdata-1.txt', 'sdata-2.txt', |
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and so on. |
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@author Nicklas |
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@version 2.15 |
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@base.modified $Date$ |
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*/ |
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public class GenericDiskDataWriterFactory<T> |
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extends AbstractDataWriterFactory<T> |
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{ |
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private final java.io.File dir; |
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|
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/** |
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Create a new factory that creates files in the given |
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directory. The directory should already exist. |
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@param dir The directory to create files in |
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@throws NullPointerException If the dir parameter is null |
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@throws FileNotFoundException If the given path is not an existing directory |
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*/ |
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public GenericDiskDataWriterFactory(java.io.File dir, FilenameGenerator<T> filenameGenerator) |
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throws IOException |
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{ |
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super(filenameGenerator); |
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if (dir == null) throw new NullPointerException("dir"); |
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if (!dir.isDirectory()) throw new FileNotFoundException(dir.toString()); |
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this.dir = dir; |
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} |
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|
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/** |
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Create a new file in the data directory with the given file |
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name. |
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@throws IOException If the file already exists or if it can't |
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be created |
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*/ |
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@Override |
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protected OutputStream getOutputStream(String filename) |
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throws IOException |
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{ |
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java.io.File file = new java.io.File(dir, filename); |
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if (file.exists()) throw new IOException("File exists: " + file); |
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return new FileOutputStream(file); |
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} |
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} |