Android Open Source - cordova-bluetoothle Abstract Http Input Stream






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Back to project page cordova-bluetoothle.

License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (C) 2010 The Android Open Source Project
 */*from  www . j ava 2  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.Util;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.CacheRequest;

/**
 * An input stream for the body of an HTTP response.
 *
 * <p>Since a single socket's input stream may be used to read multiple HTTP
 * responses from the same server, subclasses shouldn't close the socket stream.
 *
 * <p>A side effect of reading an HTTP response is that the response cache
 * is populated. If the stream is closed early, that cache entry will be
 * invalidated.
 */
abstract class AbstractHttpInputStream extends InputStream {
  protected final InputStream in;
  protected final HttpEngine httpEngine;
  private final CacheRequest cacheRequest;
  private final OutputStream cacheBody;
  protected boolean closed;

  AbstractHttpInputStream(InputStream in, HttpEngine httpEngine, CacheRequest cacheRequest)
      throws IOException {
    this.in = in;
    this.httpEngine = httpEngine;

    OutputStream cacheBody = cacheRequest != null ? cacheRequest.getBody() : null;

    // some apps return a null body; for compatibility we treat that like a null cache request
    if (cacheBody == null) {
      cacheRequest = null;
    }

    this.cacheBody = cacheBody;
    this.cacheRequest = cacheRequest;
  }

  /**
   * read() is implemented using read(byte[], int, int) so subclasses only
   * need to override the latter.
   */
  @Override public final int read() throws IOException {
    return Util.readSingleByte(this);
  }

  protected final void checkNotClosed() throws IOException {
    if (closed) {
      throw new IOException("stream closed");
    }
  }

  protected final void cacheWrite(byte[] buffer, int offset, int count) throws IOException {
    if (cacheBody != null) {
      cacheBody.write(buffer, offset, count);
    }
  }

  /**
   * Closes the cache entry and makes the socket available for reuse. This
   * should be invoked when the end of the body has been reached.
   */
  protected final void endOfInput() throws IOException {
    if (cacheRequest != null) {
      cacheBody.close();
    }
    httpEngine.release(false);
  }

  /**
   * Calls abort on the cache entry and disconnects the socket. This
   * should be invoked when the connection is closed unexpectedly to
   * invalidate the cache entry and to prevent the HTTP connection from
   * being reused. HTTP messages are sent in serial so whenever a message
   * cannot be read to completion, subsequent messages cannot be read
   * either and the connection must be discarded.
   *
   * <p>An earlier implementation skipped the remaining bytes, but this
   * requires that the entire transfer be completed. If the intention was
   * to cancel the transfer, closing the connection is the only solution.
   */
  protected final void unexpectedEndOfInput() {
    if (cacheRequest != null) {
      cacheRequest.abort();
    }
    httpEngine.release(true);
  }
}




Java Source Code List

com.mutualmobile.cordova.BluetoothleTests.java
com.mutualmobile.cordova.bluetoothle.BluetoothLePlugin.java
com.mutualmobile.cordova.bluetoothle.JSONObjects.java
com.squareup.okhttp.Address.java
com.squareup.okhttp.ConnectionPool.java
com.squareup.okhttp.Connection.java
com.squareup.okhttp.Dispatcher.java
com.squareup.okhttp.Failure.java
com.squareup.okhttp.HttpResponseCache.java
com.squareup.okhttp.Job.java
com.squareup.okhttp.MediaType.java
com.squareup.okhttp.OkAuthenticator.java
com.squareup.okhttp.OkHttpClient.java
com.squareup.okhttp.OkResponseCache.java
com.squareup.okhttp.Request.java
com.squareup.okhttp.ResponseSource.java
com.squareup.okhttp.Response.java
com.squareup.okhttp.RouteDatabase.java
com.squareup.okhttp.Route.java
com.squareup.okhttp.TunnelRequest.java
com.squareup.okhttp.internal.AbstractOutputStream.java
com.squareup.okhttp.internal.Base64.java
com.squareup.okhttp.internal.DiskLruCache.java
com.squareup.okhttp.internal.Dns.java
com.squareup.okhttp.internal.FaultRecoveringOutputStream.java
com.squareup.okhttp.internal.NamedRunnable.java
com.squareup.okhttp.internal.Platform.java
com.squareup.okhttp.internal.StrictLineReader.java
com.squareup.okhttp.internal.Util.java
com.squareup.okhttp.internal.http.AbstractHttpInputStream.java
com.squareup.okhttp.internal.http.HeaderParser.java
com.squareup.okhttp.internal.http.HttpAuthenticator.java
com.squareup.okhttp.internal.http.HttpDate.java
com.squareup.okhttp.internal.http.HttpEngine.java
com.squareup.okhttp.internal.http.HttpTransport.java
com.squareup.okhttp.internal.http.HttpURLConnectionImpl.java
com.squareup.okhttp.internal.http.HttpsEngine.java
com.squareup.okhttp.internal.http.HttpsURLConnectionImpl.java
com.squareup.okhttp.internal.http.OkResponseCacheAdapter.java
com.squareup.okhttp.internal.http.Policy.java
com.squareup.okhttp.internal.http.RawHeaders.java
com.squareup.okhttp.internal.http.RequestHeaders.java
com.squareup.okhttp.internal.http.ResponseHeaders.java
com.squareup.okhttp.internal.http.RetryableOutputStream.java
com.squareup.okhttp.internal.http.RouteSelector.java
com.squareup.okhttp.internal.http.SpdyTransport.java
com.squareup.okhttp.internal.http.Transport.java
com.squareup.okhttp.internal.http.UnknownLengthHttpInputStream.java
com.squareup.okhttp.internal.spdy.ErrorCode.java
com.squareup.okhttp.internal.spdy.FrameReader.java
com.squareup.okhttp.internal.spdy.FrameWriter.java
com.squareup.okhttp.internal.spdy.HeadersMode.java
com.squareup.okhttp.internal.spdy.Hpack.java
com.squareup.okhttp.internal.spdy.Http20Draft06.java
com.squareup.okhttp.internal.spdy.IncomingStreamHandler.java
com.squareup.okhttp.internal.spdy.NameValueBlockReader.java
com.squareup.okhttp.internal.spdy.Ping.java
com.squareup.okhttp.internal.spdy.Settings.java
com.squareup.okhttp.internal.spdy.Spdy3.java
com.squareup.okhttp.internal.spdy.SpdyConnection.java
com.squareup.okhttp.internal.spdy.SpdyStream.java
com.squareup.okhttp.internal.spdy.Variant.java
com.squareup.okhttp.internal.tls.DistinguishedNameParser.java
com.squareup.okhttp.internal.tls.OkHostnameVerifier.java
org.apache.cordova.App.java
org.apache.cordova.AuthenticationToken.java
org.apache.cordova.CallbackContext.java
org.apache.cordova.Config.java
org.apache.cordova.CordovaActivity.java
org.apache.cordova.CordovaArgs.java
org.apache.cordova.CordovaChromeClient.java
org.apache.cordova.CordovaInterface.java
org.apache.cordova.CordovaPlugin.java
org.apache.cordova.CordovaResourceApi.java
org.apache.cordova.CordovaUriHelper.java
org.apache.cordova.CordovaWebViewClient.java
org.apache.cordova.CordovaWebView.java
org.apache.cordova.DirectoryManager.java
org.apache.cordova.DroidGap.java
org.apache.cordova.ExifHelper.java
org.apache.cordova.ExposedJsApi.java
org.apache.cordova.FileHelper.java
org.apache.cordova.IceCreamCordovaWebViewClient.java
org.apache.cordova.JSONUtils.java
org.apache.cordova.LOG.java
org.apache.cordova.LinearLayoutSoftKeyboardDetect.java
org.apache.cordova.NativeToJsMessageQueue.java
org.apache.cordova.PluginEntry.java
org.apache.cordova.PluginManager.java
org.apache.cordova.PluginResult.java
org.apache.cordova.ScrollEvent.java
org.apache.cordova.Whitelist.java