Examples with ProtocolException java.net.ProtocolException used on opensource projects

Example 71 with ProtocolException

use of java.net.ProtocolException in project jdk8u_jdk by JetBrains.

the class EmptyInputStream method getOutputStream0.

private synchronized OutputStream getOutputStream0() throws IOException {
    try {
        if (!doOutput) {
            throw new ProtocolException("cannot write to a URLConnection" + " if doOutput=false - call setDoOutput(true)");
        }
        if (method.equals("GET")) {
            // Backward compatibility
            method = "POST";
        }
        if ("TRACE".equals(method) && "http".equals(url.getProtocol())) {
            throw new ProtocolException("HTTP method TRACE" + " doesn't support output");
        }
        // if there's already an input stream open, throw an exception
        if (inputStream != null) {
            throw new ProtocolException("Cannot write output after reading input.");
        }
        if (!checkReuseConnection())
            connect();
        boolean expectContinue = false;
        String expects = requests.findValue("Expect");
        if ("100-Continue".equalsIgnoreCase(expects) && streaming()) {
            http.setIgnoreContinue(false);
            expectContinue = true;
        }
        if (streaming() && strOutputStream == null) {
            writeRequests();
        }
        if (expectContinue) {
            expect100Continue();
        }
        ps = (PrintStream) http.getOutputStream();
        if (streaming()) {
            if (strOutputStream == null) {
                if (chunkLength != -1) {
                    /* chunked */
                    strOutputStream = new StreamingOutputStream(new ChunkedOutputStream(ps, chunkLength), -1L);
                } else {
                    /* must be fixed content length */
                    long length = 0L;
                    if (fixedContentLengthLong != -1) {
                        length = fixedContentLengthLong;
                    } else if (fixedContentLength != -1) {
                        length = fixedContentLength;
                    }
                    strOutputStream = new StreamingOutputStream(ps, length);
                }
            }
            return strOutputStream;
        } else {
            if (poster == null) {
                poster = new PosterOutputStream();
            }
            return poster;
        }
    } catch (RuntimeException e) {
        disconnectInternal();
        throw e;
    } catch (ProtocolException e) {
        // Save the response code which may have been set while enforcing
        // the 100-continue. disconnectInternal() forces it to -1
        int i = responseCode;
        disconnectInternal();
        responseCode = i;
        throw e;
    } catch (IOException e) {
        disconnectInternal();
        throw e;
    }
}

Example 72 with ProtocolException

use of java.net.ProtocolException in project android_frameworks_base by crdroidandroid.

the class NetworkStatsFactory method readNetworkStatsSummaryDev.

/**
     * Parse and return interface-level summary {@link NetworkStats} measured
     * using {@code /proc/net/dev} style hooks, which may include non IP layer
     * traffic. Values monotonically increase since device boot, and may include
     * details about inactive interfaces.
     *
     * @throws IllegalStateException when problem parsing stats.
     */
public NetworkStats readNetworkStatsSummaryDev() throws IOException {
    final StrictMode.ThreadPolicy savedPolicy = StrictMode.allowThreadDiskReads();
    final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 6);
    final NetworkStats.Entry entry = new NetworkStats.Entry();
    ProcFileReader reader = null;
    try {
        reader = new ProcFileReader(new FileInputStream(mStatsXtIfaceAll));
        while (reader.hasMoreData()) {
            entry.iface = reader.nextString();
            entry.uid = UID_ALL;
            entry.set = SET_ALL;
            entry.tag = TAG_NONE;
            final boolean active = reader.nextInt() != 0;
            // always include snapshot values
            entry.rxBytes = reader.nextLong();
            entry.rxPackets = reader.nextLong();
            entry.txBytes = reader.nextLong();
            entry.txPackets = reader.nextLong();
            // fold in active numbers, but only when active
            if (active) {
                entry.rxBytes += reader.nextLong();
                entry.rxPackets += reader.nextLong();
                entry.txBytes += reader.nextLong();
                entry.txPackets += reader.nextLong();
            }
            stats.addValues(entry);
            reader.finishLine();
        }
    } catch (NullPointerException e) {
        throw new ProtocolException("problem parsing stats", e);
    } catch (NumberFormatException e) {
        throw new ProtocolException("problem parsing stats", e);
    } finally {
        IoUtils.closeQuietly(reader);
        StrictMode.setThreadPolicy(savedPolicy);
    }
    return stats;
}

Example 73 with ProtocolException

use of java.net.ProtocolException in project android_frameworks_base by crdroidandroid.

the class MediaHTTPConnection method seekTo.

private void seekTo(long offset) throws IOException {
    teardownConnection();
    try {
        int response;
        int redirectCount = 0;
        URL url = mURL;
        // do not use any proxy for localhost (127.0.0.1)
        boolean noProxy = isLocalHost(url);
        while (true) {
            if (noProxy) {
                mConnection = (HttpURLConnection) url.openConnection(Proxy.NO_PROXY);
            } else {
                mConnection = (HttpURLConnection) url.openConnection();
            }
            mConnection.setConnectTimeout(CONNECT_TIMEOUT_MS);
            // handle redirects ourselves if we do not allow cross-domain redirect
            mConnection.setInstanceFollowRedirects(mAllowCrossDomainRedirect);
            if (mHeaders != null) {
                for (Map.Entry<String, String> entry : mHeaders.entrySet()) {
                    mConnection.setRequestProperty(entry.getKey(), entry.getValue());
                }
            }
            if (offset > 0) {
                mConnection.setRequestProperty("Range", "bytes=" + offset + "-");
            }
            response = mConnection.getResponseCode();
            if (response != HttpURLConnection.HTTP_MULT_CHOICE && response != HttpURLConnection.HTTP_MOVED_PERM && response != HttpURLConnection.HTTP_MOVED_TEMP && response != HttpURLConnection.HTTP_SEE_OTHER && response != HTTP_TEMP_REDIRECT) {
                // not a redirect, or redirect handled by HttpURLConnection
                break;
            }
            if (++redirectCount > MAX_REDIRECTS) {
                throw new NoRouteToHostException("Too many redirects: " + redirectCount);
            }
            String method = mConnection.getRequestMethod();
            if (response == HTTP_TEMP_REDIRECT && !method.equals("GET") && !method.equals("HEAD")) {
                // automatically redirect the request"
                throw new NoRouteToHostException("Invalid redirect");
            }
            String location = mConnection.getHeaderField("Location");
            if (location == null) {
                throw new NoRouteToHostException("Invalid redirect");
            }
            url = new URL(mURL, /* TRICKY: don't use url! */
            location);
            if (!url.getProtocol().equals("https") && !url.getProtocol().equals("http")) {
                throw new NoRouteToHostException("Unsupported protocol redirect");
            }
            boolean sameProtocol = mURL.getProtocol().equals(url.getProtocol());
            if (!mAllowCrossProtocolRedirect && !sameProtocol) {
                throw new NoRouteToHostException("Cross-protocol redirects are disallowed");
            }
            boolean sameHost = mURL.getHost().equals(url.getHost());
            if (!mAllowCrossDomainRedirect && !sameHost) {
                throw new NoRouteToHostException("Cross-domain redirects are disallowed");
            }
            if (response != HTTP_TEMP_REDIRECT) {
                // update effective URL, unless it is a Temporary Redirect
                mURL = url;
            }
        }
        if (mAllowCrossDomainRedirect) {
            // remember the current, potentially redirected URL if redirects
            // were handled by HttpURLConnection
            mURL = mConnection.getURL();
        }
        if (response == HttpURLConnection.HTTP_PARTIAL) {
            // Partial content, we cannot just use getContentLength
            // because what we want is not just the length of the range
            // returned but the size of the full content if available.
            String contentRange = mConnection.getHeaderField("Content-Range");
            mTotalSize = -1;
            if (contentRange != null) {
                // format is "bytes xxx-yyy/zzz
                // where "zzz" is the total number of bytes of the
                // content or '*' if unknown.
                int lastSlashPos = contentRange.lastIndexOf('/');
                if (lastSlashPos >= 0) {
                    String total = contentRange.substring(lastSlashPos + 1);
                    try {
                        mTotalSize = Long.parseLong(total);
                    } catch (NumberFormatException e) {
                    }
                }
            }
        } else if (response != HttpURLConnection.HTTP_OK) {
            throw new IOException();
        } else {
            mTotalSize = mConnection.getContentLength();
        }
        if (offset > 0 && response != HttpURLConnection.HTTP_PARTIAL) {
            // data from the start of the content.
            throw new ProtocolException();
        }
        mInputStream = new BufferedInputStream(mConnection.getInputStream());
        mCurrentOffset = offset;
    } catch (IOException e) {
        mTotalSize = -1;
        mInputStream = null;
        mConnection = null;
        mCurrentOffset = -1;
        throw e;
    }
}

Example 74 with ProtocolException

use of java.net.ProtocolException in project android_frameworks_base by crdroidandroid.

the class NetworkStatsCollection method readLegacyUid.

@Deprecated
public void readLegacyUid(File file, boolean onlyTags) throws IOException {
    final AtomicFile inputFile = new AtomicFile(file);
    DataInputStream in = null;
    try {
        in = new DataInputStream(new BufferedInputStream(inputFile.openRead()));
        // verify file magic header intact
        final int magic = in.readInt();
        if (magic != FILE_MAGIC) {
            throw new ProtocolException("unexpected magic: " + magic);
        }
        final int version = in.readInt();
        switch(version) {
            case VERSION_UID_INIT:
                {
                    // mapping into NetworkIdentitySet.
                    break;
                }
            case VERSION_UID_WITH_IDENT:
                {
                    // for a short time.
                    break;
                }
            case VERSION_UID_WITH_TAG:
            case VERSION_UID_WITH_SET:
                {
                    // uid := size *(NetworkIdentitySet size *(uid set tag NetworkStatsHistory))
                    final int identSize = in.readInt();
                    for (int i = 0; i < identSize; i++) {
                        final NetworkIdentitySet ident = new NetworkIdentitySet(in);
                        final int size = in.readInt();
                        for (int j = 0; j < size; j++) {
                            final int uid = in.readInt();
                            final int set = (version >= VERSION_UID_WITH_SET) ? in.readInt() : SET_DEFAULT;
                            final int tag = in.readInt();
                            final Key key = new Key(ident, uid, set, tag);
                            final NetworkStatsHistory history = new NetworkStatsHistory(in);
                            if ((tag == TAG_NONE) != onlyTags) {
                                recordHistory(key, history);
                            }
                        }
                    }
                    break;
                }
            default:
                {
                    throw new ProtocolException("unexpected version: " + version);
                }
        }
    } catch (FileNotFoundException e) {
    // missing stats is okay, probably first boot
    } finally {
        IoUtils.closeQuietly(in);
    }
}

Example 75 with ProtocolException

use of java.net.ProtocolException in project android_frameworks_base by crdroidandroid.

the class UsageStatsXmlV1 method loadEvent.

private static void loadEvent(XmlPullParser parser, IntervalStats statsOut) throws XmlPullParserException, IOException {
    final String packageName = XmlUtils.readStringAttribute(parser, PACKAGE_ATTR);
    if (packageName == null) {
        throw new ProtocolException("no " + PACKAGE_ATTR + " attribute present");
    }
    final String className = XmlUtils.readStringAttribute(parser, CLASS_ATTR);
    final UsageEvents.Event event = statsOut.buildEvent(packageName, className);
    // Apply the offset to the beginTime to find the absolute time of this event.
    event.mTimeStamp = statsOut.beginTime + XmlUtils.readLongAttribute(parser, TIME_ATTR);
    event.mEventType = XmlUtils.readIntAttribute(parser, TYPE_ATTR);
    switch(event.mEventType) {
        case UsageEvents.Event.CONFIGURATION_CHANGE:
            event.mConfiguration = new Configuration();
            Configuration.readXmlAttrs(parser, event.mConfiguration);
            break;
        case UsageEvents.Event.SHORTCUT_INVOCATION:
            final String id = XmlUtils.readStringAttribute(parser, SHORTCUT_ID_ATTR);
            event.mShortcutId = (id != null) ? id.intern() : null;
            break;
    }
    if (statsOut.events == null) {
        statsOut.events = new TimeSparseArray<>();
    }
    statsOut.events.put(event.mTimeStamp, event);
}