The Tor Browser: mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/io/IdentityOutputStream.java@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /*

     2  * ====================================================================

     3  * Licensed to the Apache Software Foundation (ASF) under one

     4  * or more contributor license agreements.  See the NOTICE file

     5  * distributed with this work for additional information

     6  * regarding copyright ownership.  The ASF licenses this file

     7  * to you under the Apache License, Version 2.0 (the

     8  * "License"); you may not use this file except in compliance

     9  * with the License.  You may obtain a copy of the License at

    10  *

    11  *   http://www.apache.org/licenses/LICENSE-2.0

    12  *

    13  * Unless required by applicable law or agreed to in writing,

    14  * software distributed under the License is distributed on an

    15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

    16  * KIND, either express or implied.  See the License for the

    17  * specific language governing permissions and limitations

    18  * under the License.

    19  * ====================================================================

    20  *

    21  * This software consists of voluntary contributions made by many

    22  * individuals on behalf of the Apache Software Foundation.  For more

    23  * information on the Apache Software Foundation, please see

    24  * <http://www.apache.org/>.

    25  *

    26  */

    28 package ch.boye.httpclientandroidlib.impl.io;

    30 import java.io.IOException;

    31 import java.io.OutputStream;

    33 import ch.boye.httpclientandroidlib.io.SessionOutputBuffer;

    35 /**

    36  * Output stream that writes data without any transformation. The end of

    37  * the content entity is demarcated by closing the underlying connection

    38  * (EOF condition). Entities transferred using this input stream can be of

    39  * unlimited length.

    40  * <p>

    41  * Note that this class NEVER closes the underlying stream, even when close

    42  * gets called.  Instead, the stream will be marked as closed and no further

    43  * output will be permitted.

    44  *

    45  * @since 4.0

    46  */

    47 public class IdentityOutputStream extends OutputStream {

    49     /**

    50      * Wrapped session output buffer.

    51      */

    52     private final SessionOutputBuffer out;

    54     /** True if the stream is closed. */

    55     private boolean closed = false;

    57     public IdentityOutputStream(final SessionOutputBuffer out) {

    58         super();

    59         if (out == null) {

    60             throw new IllegalArgumentException("Session output buffer may not be null");

    61         }

    62         this.out = out;

    63     }

    65     /**

    66      * <p>Does not close the underlying socket output.</p>

    67      *

    68      * @throws IOException If an I/O problem occurs.

    69      */

    70     public void close() throws IOException {

    71         if (!this.closed) {

    72             this.closed = true;

    73             this.out.flush();

    74         }

    75     }

    77     public void flush() throws IOException {

    78         this.out.flush();

    79     }

    81     public void write(byte[] b, int off, int len) throws IOException {

    82         if (this.closed) {

    83             throw new IOException("Attempted write to closed stream.");

    84         }

    85         this.out.write(b, off, len);

    86     }

    88     public void write(byte[] b) throws IOException {

    89         write(b, 0, b.length);

    90     }

    92     public void write(int b) throws IOException {

    93         if (this.closed) {

    94             throw new IOException("Attempted write to closed stream.");

    95         }

    96         this.out.write(b);

    97     }

    99 }

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