Android Open Source - wototoplayer Dispatcher

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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) 2013 Square, Inc.// ww  w  .j a v a2  s . c  o 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;

import com.squareup.okhttp.internal.http.ResponseHeaders;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

final class Dispatcher {
  // TODO: thread pool size should be configurable; possibly configurable per host.
  private final ThreadPoolExecutor executorService = new ThreadPoolExecutor(
      8, 8, 60, TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>());
  private final Map<Object, List<Job>> enqueuedJobs = new LinkedHashMap<Object, List<Job>>();

  public synchronized void enqueue(
      OkHttpClient client, Request request, Response.Receiver responseReceiver) {
    Job job = new Job(this, client, request, responseReceiver);
    List<Job> jobsForTag = enqueuedJobs.get(request.tag());
    if (jobsForTag == null) {
      jobsForTag = new ArrayList<Job>(2);
      enqueuedJobs.put(request.tag(), jobsForTag);
    }
    jobsForTag.add(job);
    executorService.execute(job);
  }

  public synchronized void cancel(Object tag) {
    List<Job> jobs = enqueuedJobs.remove(tag);
    if (jobs == null) return;
    for (Job job : jobs) {
      executorService.remove(job);
    }
  }

  synchronized void finished(Job job) {
    List<Job> jobs = enqueuedJobs.get(job.tag());
    if (jobs != null) jobs.remove(job);
  }

  static class RealResponseBody extends Response.Body {
    private final ResponseHeaders responseHeaders;
    private final InputStream in;

    RealResponseBody(ResponseHeaders responseHeaders, InputStream in) {
      this.responseHeaders = responseHeaders;
      this.in = in;
    }

    @Override public boolean ready() throws IOException {
      return true;
    }

    @Override public MediaType contentType() {
      String contentType = responseHeaders.getContentType();
      return contentType != null ? MediaType.parse(contentType) : null;
    }

    @Override public long contentLength() {
      return responseHeaders.getContentLength();
    }

    @Override public InputStream byteStream() throws IOException {
      return in;
    }
  }
}

Java Source Code List

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