/
StringRemoteFile.java
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/
StringRemoteFile.java
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/*
* #%L
* Netarchivesuite - common - test
* %%
* Copyright (C) 2005 - 2018 The Royal Danish Library,
* the National Library of France and the Austrian National Library.
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 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 Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
package dk.netarkivet.common.distribute;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import dk.netarkivet.common.exceptions.IOFailure;
import dk.netarkivet.common.utils.ChecksumCalculator;
import dk.netarkivet.common.utils.FileUtils;
/**
* A RemoteFile implementation that just takes a string.
*/
@SuppressWarnings({"serial"})
public class StringRemoteFile implements RemoteFile {
/** the contents. */
String contents;
/** the filename. */
String filename;
public StringRemoteFile(String s) {
this.filename = "unnamed string";
contents = s;
}
public StringRemoteFile(String filename, String s) {
this.filename = filename;
contents = s;
}
/**
* Copy remotefile to local disk storage. Used by the data recipient.
*
* @param destFile local File
*/
public void copyTo(File destFile) {
FileUtils.writeBinaryFile(destFile, contents.getBytes());
}
/**
* Write the contents of this remote file to an output stream.
*
* @param out OutputStream that the data will be written to. This stream will not be closed by this operation.
* @throws IOFailure If append operation fails
*/
public void appendTo(OutputStream out) {
try {
out.write(contents.getBytes());
} catch (IOException e) {
throw new IOFailure("Could not write string to " + out);
}
}
public InputStream getInputStream() {
return new ByteArrayInputStream(contents.getBytes());
}
/**
* Return the file name.
*
* @return the file name
*/
public String getName() {
return filename;
}
/**
* Returns a MD5 Checksum on the file.
*
* @return MD5 checksum
*/
public String getChecksum() {
return ChecksumCalculator.calculateMd5(contents.getBytes());
}
/**
* Deletes the local file to which this remote file refers.
*/
public void cleanup() {
// Inaccessible after this.
contents = null;
}
/**
* Returns the total size of the remote file.
*
* @return Size of the remote file.
*/
public long getSize() {
return contents.length();
}
}