Example usage for java.net HttpURLConnection getContentLength

Introduction

In this page you can find the example usage for java.net HttpURLConnection getContentLength.

Prototype

public int getContentLength() 

Source Link

Document

Returns the value of the content-length header field.

Usage

From source file:filters.BaseFilter.java

public void filter(URL url, OutputStream output, FilterOptions options)
        throws IOException, EmptyExtensionException, NotSupportedFormatException, FileTooBigException {
    String format = SupportedFormats.supportFormat(url.toString());
    if (StringUtils.isBlank(format)) {
        throw new NotSupportedFormatException();
    }//w ww  . ja v a2  s.c om

    // Calculate size
    HttpURLConnection openConnection = (HttpURLConnection) url.openConnection();
    int contentLength = openConnection.getContentLength();
    if (contentLength > FILE_SIZE_LIMIT) {
        throw new FileTooBigException();
    }
    openConnection.disconnect();

    BufferedImage read = ImageIO.read(url);
    doFilter(read, output, options, format);
}

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From source file:Main.java

int contentLength(URL url) {
    HttpURLConnection connection;
    int contentLength = -1;
    try {//  w ww  .  j a  va  2  s  .  c  om
        connection = (HttpURLConnection) url.openConnection();
        contentLength = connection.getContentLength();
    } catch (Exception e) {
    }
    return contentLength;
}

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From source file:org.jclouds.http.internal.JavaUrlHttpCommandExecutorService.java

/**
 * Only disconnect if there is no content, as disconnecting will throw away unconsumed content.
 *//*  ww  w . j av  a  2  s  . c  o m*/
@Override
protected void cleanup(HttpURLConnection connection) {
    if (connection != null && connection.getContentLength() == 0)
        connection.disconnect();
}

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From source file:common.net.volley.toolbox.HurlStack.java

/**
 * Initializes an {@link org.apache.http.HttpEntity} from the given {@link java.net.HttpURLConnection}.
 * @param connection/*from ww w.  ja v  a  2 s  . c o  m*/
 * @return an HttpEntity populated with data from <code>connection</code>.
 */
private static HttpEntity entityFromConnection(HttpURLConnection connection) throws IOException {
    BasicHttpEntity entity = new BasicHttpEntity();

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    InputStream rawStream = null;
    try {
        rawStream = connection.getInputStream();

        rawStream = stethoManager.interpretResponseStream(rawStream);
        InputStream decompressedStream = applyDecompressionIfApplicable(connection, rawStream);
        if (decompressedStream != null) {
            copy(decompressedStream, out, new byte[1024]);
        }
        entity.setContent(new ByteArrayInputStream(out.toByteArray()));

    } catch (IOException ioe) {
        rawStream = connection.getErrorStream();
        entity.setContent(rawStream);

    } finally {
        //            if(rawStream != null) {
        //                rawStream.close();
        //            }
    }

    entity.setContentLength(connection.getContentLength());
    entity.setContentEncoding(connection.getContentEncoding());
    entity.setContentType(connection.getContentType());
    return entity;
}

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From source file:myapp.Download.java

@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    URL url = new URL("http://download.geofabrik.de/europe/great-britain/england/hertfordshire-latest.osm.bz2");
    HttpURLConnection uc = (HttpURLConnection) url.openConnection();
    int contentLength = uc.getContentLength();

    InputStream raw = uc.getInputStream();
    //BZip2CompressorInputStream unzippedstream = new BZip2CompressorInputStream(raw);

    XmlWriter xmlWriter;/* w  ww .j  a v a 2s .  c om*/
    TagFilter rejectWayTagFilter, rejectRelationTagFilter, nodeTagFilter;
    DBWriter dbwriter;

    xmlReader = new XMLNetworkReader(raw, true, CompressionMethod.BZip2);
    xmlWriter = new XmlWriter(new File("-"), CompressionMethod.None);
    dbwriter = new DBWriter();

    Map emptymap = new HashMap<String, Set<String>>();
    Set emptyset = new HashSet<String>();
    rejectWayTagFilter = new TagFilter("reject-ways", emptyset, emptymap);
    rejectRelationTagFilter = new TagFilter("reject-relations", emptyset, emptymap);

    Map tagKVs = new HashMap<String, Set<String>>();
    //      Set tagset = new HashSet<String>();

    Set valueSet = new HashSet<String>();
    //      tagset.add("shop");
    valueSet.add("tree");
    tagKVs.put("natural", valueSet);

    nodeTagFilter = new TagFilter("accept-nodes", emptyset, tagKVs);

    xmlReader.setSink(rejectWayTagFilter);
    rejectWayTagFilter.setSink(rejectRelationTagFilter);
    rejectRelationTagFilter.setSink(nodeTagFilter);
    nodeTagFilter.setSink(dbwriter);
    xmlReader.run();

    // rejectWayTagFilter.process();

    // rejectRelationTagFilter.process();

    // nodeTagFilter.process();

    // InputStream in = new BufferedInputStream(raw);
    // byte[] data = new byte[contentLength];
    // int bytesRead = 0;
    // int offset = 0;
    // while (offset < contentLength) {
    //   bytesRead = in.read(data, offset, data.length - offset);
    //   if (bytesRead == -1) {
    //     break;
    //   }
    //   offset += bytesRead;
    // }

    // if (offset != contentLength) {
    //   throw new IOException("Only read " + offset + " bytes; Expected " + contentLength + " bytes");
    // }

    // add file to cloud storage
    // List<Acl> acls = new ArrayList();
    //   acls.add(Acl.of(Acl.User.ofAllUsers(), Acl.Role.READER));
    //   // the inputstream is closed by default, so we don't need to close it here
    // Blob blob = storage.create(BlobInfo.builder(BUCKET_NAME, "jhjg").acl(acls).build(),
    //           unzippedstream)

    // new SinkSourceManager(
    //           "tag filter",
    //           new TagFilter(getDefaultStringArgument(taskConfig, ""), keys, keyValues),
    //           taskConfig.getPipeArgs()
    //       );

    // Map<String, Set<String>> tags = new HashMap<String, Set<String>>;
    // Set setA = new HashSet();
    // String element = "supermarket";
    // setA.add(element);
    // tags.put("shop",setA)
    // new TagFilter("accept-nodes", null, tags)

    resp.setContentType("text/plain");
    resp.getWriter().println("{ \"download\": true }");

    // in.close();
}

---

From source file:org.apache.hadoop.fs.azure.SelfThrottlingIntercept.java

public void responseReceived(ResponseReceivedEvent event) {
    RequestResult result = event.getRequestResult();
    Date startDate = result.getStartDate();
    Date stopDate = result.getStopDate();
    long elapsed = stopDate.getTime() - startDate.getTime();

    synchronized (this) {
        this.lastE2Elatency = elapsed;
    }/*from w ww.j  a v a2s. c  om*/

    if (LOG.isDebugEnabled()) {
        int statusCode = result.getStatusCode();
        String etag = result.getEtag();
        HttpURLConnection urlConnection = (HttpURLConnection) event.getConnectionObject();
        int contentLength = urlConnection.getContentLength();
        String requestMethod = urlConnection.getRequestMethod();
        long threadId = Thread.currentThread().getId();
        LOG.debug(String.format(
                "SelfThrottlingIntercept:: ResponseReceived: threadId=%d, Status=%d, Elapsed(ms)=%d, ETAG=%s, contentLength=%d, requestMethod=%s",
                threadId, statusCode, elapsed, etag, contentLength, requestMethod));
    }
}

---

From source file:org.droidparts.http.RESTClient.java

public Pair<Integer, BufferedInputStream> getInputStream(String uri) throws HTTPException {
    L.d("InputStream on " + uri);
    int contentLength = -1;
    ConsumingInputStream cis = null;//www  .j a  v  a  2 s .c o  m
    if (useHttpURLConnection()) {
        HttpURLConnectionWrapper wrapper = getModern();
        HttpURLConnection conn = wrapper.getConnectedHttpURLConnection(uri, GET);
        contentLength = conn.getContentLength();
        cis = new ConsumingInputStream(HttpURLConnectionWrapper.getUnpackedInputStream(conn), conn);
    } else {
        DefaultHttpClientWrapper wrapper = getLegacy();
        HttpGet req = new HttpGet(uri);
        HttpResponse resp = wrapper.getResponse(req);
        HttpEntity entity = resp.getEntity();
        // 2G limit
        contentLength = (int) entity.getContentLength();
        cis = new ConsumingInputStream(DefaultHttpClientWrapper.getUnpackedInputStream(entity), entity);
    }
    return new Pair<Integer, BufferedInputStream>(contentLength, cis);
}

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From source file:fr.ironcraft.assets.FileDownloader.java

private int tryGetFileSize(URL url) {
    HttpURLConnection conn = null;
    try {//from   w  w w.  java  2 s  .  c o m
        conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("HEAD");
        conn.getInputStream();
        return conn.getContentLength();
    } catch (IOException e) {
        return -1;
    } finally {
        conn.disconnect();
    }
}

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From source file:org.sipfoundry.sipxivr.rest.RestfulRequest.java

/**
 * Convenience method to send a request to a URL
 * //from  ww  w. j  av  a2 s  .  com
 * @param method an HTTP method, PUT, DELETE, POST, GET, etc. 
 *        where no body is provided.  
 *        Any response (assumed to be text) is in m_content;
 * @throws Exception 
 */
boolean send(String method, String value) throws Exception {
    HttpURLConnection urlConn = getConnection(value);
    boolean result = request(method, urlConn);
    if (urlConn.getContentLength() > 0) {
        m_contentType = urlConn.getContentType();
        BufferedReader br = new BufferedReader(new InputStreamReader(urlConn.getInputStream()));
        String line;
        m_content = "";
        for (line = br.readLine(); line != null;) {
            m_content.concat(line);
            m_content.concat("\n");
        }
    }
    urlConn.disconnect();
    return result;
}

---

From source file:org.droidparts.http.worker.HttpURLConnectionWorker.java

public Pair<Integer, BufferedInputStream> getInputStream(String uri) throws HTTPException {
    HttpURLConnection conn = getConnection(uri, GET);
    HttpURLConnectionWorker.connectAndGetResponseCodeOrThrow(conn);
    int contentLength = conn.getContentLength();
    HTTPInputStream is = HTTPInputStream.getInstance(conn, false);
    return new Pair<Integer, BufferedInputStream>(contentLength, is);
}

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