src/main/java/org/takes/rq/TempInputStream.java
/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2024 Yegor Bugayenko
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.takes.rq;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
/**
* Input stream wrapper that removes associated File instance on close.
*
* @since 0.31
*/
public final class TempInputStream extends InputStream {
/**
* Original stream.
*/
private final InputStream origin;
/**
* Associated File instance.
*/
private final File file;
/**
* Ctor.
* @param stream Original stream
* @param temp File instance
*/
public TempInputStream(final InputStream stream, final File temp) {
super();
this.origin = stream;
this.file = temp;
}
@Override
public void close() throws IOException {
try {
this.origin.close();
} finally {
final Path path = Paths.get(this.file.getAbsolutePath());
if (Files.exists(path)) {
Files.delete(path);
}
}
}
@Override
public int read() throws IOException {
return this.origin.read();
}
@Override
public int read(final byte[] buf) throws IOException {
return this.origin.read(buf);
}
@Override
public int read(final byte[] buf, final int off,
final int len) throws IOException {
return this.origin.read(buf, off, len);
}
@Override
public long skip(final long num) throws IOException {
return this.origin.skip(num);
}
@Override
public int available() throws IOException {
return this.origin.available();
}
}