/*
 * 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;

import org.apache.commons.io.IOUtils;

/**
 * Data written to this stream is forwarded to a stream that has been associated with this thread.
 */
public class DemuxInputStream extends InputStream {
    private final InheritableThreadLocal<InputStream> inputStream = new InheritableThreadLocal<>();

    /**
     * Binds the specified stream to the current thread.
     *
     * @param input the stream to bind
     * @return the InputStream that was previously active
     */
    public InputStream bindStream(final InputStream input) {
        final InputStream oldValue = inputStream.get();
        inputStream.set(input);
        return oldValue;
    }

    /**
     * Closes stream associated with current thread.
     *
     * @throws IOException if an error occurs
     */
    @Override
    public void close() throws IOException {
        IOUtils.close(inputStream.get());
    }

    /**
     * Reads byte from stream associated with current thread.
     *
     * @return the byte read from stream
     * @throws IOException if an error occurs
     */
    @Override
    public int read() throws IOException {
        final InputStream input = inputStream.get();
        if (null != input) {
            return input.read();
        }
        return EOF;
    }
}

@@ -1204,16 +1204,21 @@
 utStream
+Local
  = new I
@@ -1244,16 +1244,16 @@
 al%3C%3E();%0A
-
 %0A    /**
@@ -1523,32 +1523,37 @@
 ue = inputStream
+Local
 .get();%0A        
@@ -1563,16 +1563,21 @@
 utStream
+Local
 .set(inp
@@ -1727,32 +1727,103 @@
  occurs%0A     */%0A
+    @SuppressWarnings(%22resource%22) // we actually close the stream here%0A
     @Override%0A  
@@ -1894,24 +1894,29 @@
 (inputStream
+Local
 .get());%0A   
@@ -2087,24 +2087,58 @@
 urs%0A     */%0A
+    @SuppressWarnings(%22resource%22)%0A
     @Overrid
@@ -2213,16 +2213,22 @@
 am input
+Stream
  = input
@@ -2233,16 +2233,21 @@
 utStream
+Local
 .get();%0A
@@ -2267,24 +2267,30 @@
 ull != input
+Stream
 ) %7B%0A        
@@ -2305,16 +2305,22 @@
 rn input
+Stream
 .read();

Add @SuppressWarnings and rename private var.