commons-io-2.6-sources.jar is the source JAR file for Apache Commons IO 2.6, which is a library of utilities to assist with developing IO functionality.

JAR File Size and Download Location:

JAR name: commons-io-2.6-sources.jar
Target JDK version: 1.7
Dependency: None
File size: 280,834 bytes
Release date: 15-Oct-2017
Download: Apache Commons IO Website

⏎ org/apache/commons/io/input/AutoCloseInputStream.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.io.input;

import static org.apache.commons.io.IOUtils.EOF;

import java.io.IOException;
import java.io.InputStream;

/**
 * Proxy stream that closes and discards the underlying stream as soon as the
 * end of input has been reached or when the stream is explicitly closed.
 * Not even a reference to the underlying stream is kept after it has been
 * closed, so any allocated in-memory buffers can be freed even if the
 * client application still keeps a reference to the proxy stream.
 * <p>
 * This class is typically used to release any resources related to an open
 * stream as soon as possible even if the client application (by not explicitly
 * closing the stream when no longer needed) or the underlying stream (by not
 * releasing resources once the last byte has been read) do not do that.
 *
 * @since 1.4
 */
public class AutoCloseInputStream extends ProxyInputStream {

    /**
     * Creates an automatically closing proxy for the given input stream.
     *
     * @param in underlying input stream
     */
    public AutoCloseInputStream(final InputStream in) {
        super(in);
    }

    /**
     * Closes the underlying input stream and replaces the reference to it
     * with a {@link ClosedInputStream} instance.
     * <p>
     * This method is automatically called by the read methods when the end
     * of input has been reached.
     * <p>
     * Note that it is safe to call this method any number of times. The original
     * underlying input stream is closed and discarded only once when this
     * method is first called.
     *
     * @throws IOException if the underlying input stream can not be closed
     */
    @Override
    public void close() throws IOException {
        in.close();
        in = new ClosedInputStream();
    }

    /**
     * Automatically closes the stream if the end of stream was reached.
     *
     * @param n number of bytes read, or -1 if no more bytes are available
     * @throws IOException if the stream could not be closed
     * @since 2.0
     */
    @Override
    protected void afterRead(final int n) throws IOException {
        if (n == EOF) {
            close();
        }
    }

    /**
     * Ensures that the stream is closed before it gets garbage-collected.
     * As mentioned in {@link #close()}, this is a no-op if the stream has
     * already been closed.
     * @throws Throwable if an error occurs
     */
    @Override
    protected void finalize() throws Throwable {
        close();
        super.finalize();
    }

}

⏎ org/apache/commons/io/input/AutoCloseInputStream.java

Or download all of them as a single archive file:

File name: commons-io-2.6-sources.jar
File size: 280834 bytes
Release date: 2017-10-05
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