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TempRemoteFile.java
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TempRemoteFile.java
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/*
* Syncany, www.syncany.org
* Copyright (C) 2011-2014 Philipp C. Heckel <philipp.heckel@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.syncany.plugins.transfer.files;
import java.io.File;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.syncany.crypto.CipherUtil;
import org.syncany.plugins.StorageException;
/**
* The temp file represents a temporary file on the remote storage.
*
* <p><b>Name pattern:</b> The name pattern of a temp file is
* <b>temp-<filehexhashcode></b>.
*
* @author Pim Otte
*/
public class TempRemoteFile extends RemoteFile {
private static final Pattern NAME_PATTERN = Pattern.compile("temp-([A-Za-z]+)");
private static final String NAME_FORMAT = "temp-%s";
/**
* Initializes a new temp file, given a name.
*
* @param name temp file name; <b>must</b> always match the {@link #NAME_PATTERN}
* @throws StorageException If the name is not match the name pattern
*/
public TempRemoteFile(String name) throws StorageException {
super(name);
}
/**
* Initializes a new randomly named temp file.
*
* @throws StorageException
*/
public TempRemoteFile() throws StorageException {
super("temp-" + CipherUtil.createRandomAlphabeticString(20));
}
@Override
protected String validateName(String name) throws StorageException {
Matcher matcher = NAME_PATTERN.matcher(name);
if (!matcher.matches()) {
throw new StorageException(name + ": remote filename pattern does not match: " + NAME_PATTERN.pattern() + " expected.");
}
return name;
}
}