Android Open Source - wototoplayer Retryable Output Stream

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License

The source code is released under:

Copyright (c) 2015, Chris Greenhalgh All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met...

Java Source Code

/*
 * Copyright (C) 2010 The Android Open Source Project
 */*from   w w w.  j  ava2 s .co m*/
 * Licensed 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 com.squareup.okhttp.internal.http;

import com.squareup.okhttp.internal.AbstractOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.ProtocolException;

import static com.squareup.okhttp.internal.Util.checkOffsetAndCount;

/**
 * An HTTP request body that's completely buffered in memory. This allows
 * the post body to be transparently re-sent if the HTTP request must be
 * sent multiple times.
 */
final class RetryableOutputStream extends AbstractOutputStream {
  private final int limit;
  private final ByteArrayOutputStream content;

  public RetryableOutputStream(int limit) {
    this.limit = limit;
    this.content = new ByteArrayOutputStream(limit);
  }

  public RetryableOutputStream() {
    this.limit = -1;
    this.content = new ByteArrayOutputStream();
  }

  @Override public synchronized void close() throws IOException {
    if (closed) {
      return;
    }
    closed = true;
    if (content.size() < limit) {
      throw new ProtocolException(
          "content-length promised " + limit + " bytes, but received " + content.size());
    }
  }

  @Override public synchronized void write(byte[] buffer, int offset, int count)
      throws IOException {
    checkNotClosed();
    checkOffsetAndCount(buffer.length, offset, count);
    if (limit != -1 && content.size() > limit - count) {
      throw new ProtocolException("exceeded content-length limit of " + limit + " bytes");
    }
    content.write(buffer, offset, count);
  }

  public synchronized int contentLength() throws IOException {
    close();
    return content.size();
  }

  public void writeToSocket(OutputStream socketOut) throws IOException {
    content.writeTo(socketOut);
  }
}

Java Source Code List

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