Example usage for com.google.common.io CharStreams toString

List of usage examples for com.google.common.io CharStreams toString

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Introduction

In this page you can find the example usage for com.google.common.io CharStreams toString.

Prototype

public static String toString(Readable r) throws IOException

Source Link

Document

Reads all characters from a Readable object into a String .

Usage

From source file:org.jclouds.snia.cdmi.v1.options.CreateDataObjectOptions.java

/**
 * Create CDMI data object with InputStream value
 * // ww  w .j  av  a2 s.c  om
 * @param value
 *           InputSteam InputSteam is converted to a String value with charset UTF_8
 * @return CreateDataObjectOptions
 */
public CreateDataObjectOptions value(InputStream value) throws IOException {
    jsonObjectBody.addProperty("value",
            (value == null) ? "" : CharStreams.toString(new InputStreamReader(value, Charsets.UTF_8)));
    this.payload = jsonObjectBody.toString();
    return this;
}

From source file:co.cask.hydrator.plugin.realtime.HTTPPollerRealtimeSource.java

@Nullable
@Override//from  www  . j  a v  a2  s.c o m
public SourceState poll(Emitter<StructuredRecord> writer, SourceState currentState) throws Exception {
    byte[] lastPollTimeBytes = currentState.getState(POLL_TIME_STATE_KEY);
    if (lastPollTimeBytes != null) {
        long lastPollTime = Bytes.toLong(lastPollTimeBytes);
        long currentPollTime = System.currentTimeMillis();
        long diffInSeconds = (currentPollTime - lastPollTime) / 1000;
        if (config.getInterval() - diffInSeconds > 0) {
            // This is a little bit of a workaround since clicking the stop button
            // in the UI will not interrupt a sleep. See: CDAP-5631
            TimeUnit.SECONDS.sleep(1L);
            return currentState;
        }
    }
    try {
        URL url = new URL(config.getUrl());
        String response = "";
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod(METHOD);
        connection.setConnectTimeout(config.getConnectTimeout());
        connection.setReadTimeout(config.getReadTimeout());
        connection.setInstanceFollowRedirects(config.shouldFollowRedirects());
        // Set additional request headers
        for (Map.Entry<String, String> requestHeader : config.getRequestHeadersMap().entrySet()) {
            connection.setRequestProperty(requestHeader.getKey(), requestHeader.getValue());
        }
        int responseCode = connection.getResponseCode();
        try {
            if (connection.getErrorStream() != null) {
                try (Reader reader = new InputStreamReader(connection.getErrorStream(), config.getCharset())) {
                    response = CharStreams.toString(reader);
                }
            } else if (connection.getInputStream() != null) {
                try (Reader reader = new InputStreamReader(connection.getInputStream(), config.getCharset())) {
                    response = CharStreams.toString(reader);
                }
            }
        } finally {
            connection.disconnect();
        }

        Map<String, List<String>> headers = connection.getHeaderFields();
        Map<String, String> flattenedHeaders = new HashMap<>();
        for (Map.Entry<String, List<String>> entry : headers.entrySet()) {
            if (!Strings.isNullOrEmpty(entry.getKey())) {
                // If multiple values for the same header exist, concatenate them
                flattenedHeaders.put(entry.getKey(), Joiner.on(',').skipNulls().join(entry.getValue()));
            }
        }
        writer.emit(createStructuredRecord(response, flattenedHeaders, responseCode));
    } finally {
        currentState.setState(POLL_TIME_STATE_KEY, Bytes.toBytes(System.currentTimeMillis()));
    }
    return currentState;
}

From source file:com.github.sdbg.core.test.util.PlainTestProject.java

/**
 * @return the {@link String} content of the {@link IFile} with given path.
 *//*from ww w  .j  a  v a 2  s.  co  m*/
public String getFileString(String path) throws Exception {
    IFile file = getFile(path);
    Reader reader = new InputStreamReader(file.getContents(), file.getCharset());
    try {
        return CharStreams.toString(reader);
    } finally {
        reader.close();
    }
}

From source file:com.palantir.typescript.preferences.TsConfigPreferences.java

public boolean reloadTsConfigFile() {
    logInfo("reload tsconfig file");

    this.preferenceValues = Maps.newHashMap();

    IFile tsConfigFile = null;/*  w  w w  . ja  v a 2 s.c  o m*/
    InputStream tsConfigStream = null;
    boolean loaded = false;
    try {
        tsConfigFile = getTsConfigFile();
        if (tsConfigFile.exists()) {

            if (!tsConfigFile.isSynchronized(IResource.DEPTH_ZERO)) {
                tsConfigFile.refreshLocal(IResource.DEPTH_ZERO, null);
            }

            // refresh tsconfig cache infos
            IEclipsePreferences projectPreferences = this.getProjectPreferences();
            projectPreferences.put(IPreferenceConstants.PREFERENCE_STORE_TS_CONFIG_HASH,
                    getFileSHA1(tsConfigFile));
            projectPreferences.putLong(IPreferenceConstants.PREFERENCE_STORE_TS_CONFIG_LAST_MODIFICATION_TIME,
                    tsConfigFile.getModificationStamp());

            // read tsconfig JSON content
            tsConfigStream = tsConfigFile.getContents();
            String tsConfigContent = CharStreams
                    .toString(new InputStreamReader(tsConfigStream, tsConfigFile.getCharset()));

            // convert tsconfig JSON to Map
            ObjectMapper mapper = new ObjectMapper();
            Map<String, Object> tsConfigEntries = mapper.readValue(tsConfigContent,
                    new TypeReference<Map<String, Object>>() {
                    });

            // resets preferences to default
            resetTsConfigDefaultPreferences();

            // reads preferences from tsconfig
            decodeTsConfigEntries("", tsConfigEntries);

            loaded = true;
        }

    } catch (Exception e) {
        logError("Cannot reload ts config file '" + tsConfigFile + "'", e);
    } finally {
        if (tsConfigStream != null) {
            try {
                tsConfigStream.close();
            } catch (IOException e) {
                System.err.println("error while releasing tsconfig stream");
            }
        }
    }

    return loaded;
}

From source file:foo.domaintest.http.HttpApiModule.java

@Provides
@Singleton/*from  ww  w  .  ja  va  2  s. c  o m*/
Multimap<String, String> provideParameterMap(@RequestData("queryString") String queryString,
        @RequestData("postBody") Lazy<String> lazyPostBody, @RequestData("charset") String requestCharset,
        FileItemIterator multipartIterator) {
    // Calling request.getParameter() or request.getParameterMap() etc. consumes the POST body. If
    // we got the "postpayload" param we don't want to parse the body, so use only the query params.
    // Note that specifying both "payload" and "postpayload" will result in the "payload" param
    // being honored and the POST body being completely ignored.
    ImmutableMultimap.Builder<String, String> params = new ImmutableMultimap.Builder<>();
    Multimap<String, String> getParams = parseQuery(queryString);
    params.putAll(getParams);
    if (getParams.containsKey("postpayload")) {
        // Treat the POST body as if it was the "payload" param.
        return params.put("payload", nullToEmpty(lazyPostBody.get())).build();
    }
    // No "postpayload" so it's safe to consume the POST body and look for params there.
    if (multipartIterator == null) { // Handle GETs and form-urlencoded POST requests.
        params.putAll(parseQuery(nullToEmpty(lazyPostBody.get())));
    } else { // Handle multipart/form-data requests.
        try {
            while (multipartIterator != null && multipartIterator.hasNext()) {
                FileItemStream item = multipartIterator.next();
                try (InputStream stream = item.openStream()) {
                    params.put(item.isFormField() ? item.getFieldName() : item.getName(),
                            CharStreams.toString(new InputStreamReader(stream, requestCharset)));
                }
            }
        } catch (FileUploadException | IOException e) {
            // Ignore the failure and fall through to return whatever params we managed to parse.
        }
    }
    return params.build();
}

From source file:org.renjin.cran.PackageDescription.java

public static PackageDescription fromReader(Reader reader) throws IOException {
    return fromString(CharStreams.toString(reader));
}

From source file:com.cisco.oss.foundation.directory.utils.HttpUtils.java

/**
 * Invoke REST Service using PUT method.
 *
 * It accepts the JSON message./*from www . j  a v a  2  s  .  c o  m*/
 *
 * @param urlStr
 *         the REST Service URL String.
 * @param body
 *         the Http Body String.
 * @param headers
 *         the Http header Map.
 * @return
 *         the HttpResponse.
 * @throws IOException
 */
public static HttpResponse put(String urlStr, String body, Map<String, String> headers) throws IOException {
    URL url = new URL(urlStr);
    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
    urlConnection.addRequestProperty("Accept", "application/json");

    urlConnection.setRequestMethod("PUT");
    if (headers != null && headers.size() > 0) {
        for (Entry<String, String> entry : headers.entrySet()) {
            urlConnection.addRequestProperty(entry.getKey(), entry.getValue());
        }
    }

    if (body != null && body.length() > 0)
        urlConnection.addRequestProperty("Content-Length", Integer.toString(body.length()));
    else
        urlConnection.addRequestProperty("Content-Length", "0");
    urlConnection.setDoOutput(true);

    OutputStream out = urlConnection.getOutputStream();
    if (body != null && body.length() > 0)
        ByteStreams.copy(new ByteArrayInputStream(body.getBytes()), out);

    BufferedReader in = null;
    try {
        int errorCode = urlConnection.getResponseCode();
        if ((errorCode <= 202) && (errorCode >= 200)) {
            in = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
        } else {
            InputStream error = urlConnection.getErrorStream();
            if (error != null) {
                in = new BufferedReader(new InputStreamReader(error));
            }
        }

        String json = null;
        if (in != null) {
            json = CharStreams.toString(in);
        }
        return new HttpResponse(errorCode, json);
    } finally {
        if (in != null) {
            in.close();
        }
    }

}

From source file:org.lightjason.agentspeak.action.buildin.rest.IBaseRest.java

/**
 * creates a HTTP connection and reads the data
 *
 * @param p_url url//from   ww  w . j a v  a2  s.  com
 * @return url data
 *
 * @throws IOException is thrown on connection errors
 */
private static String httpdata(final String p_url) throws IOException {
    final HttpURLConnection l_connection = (HttpURLConnection) new URL(p_url).openConnection();

    // follow HTTP redirects
    l_connection.setInstanceFollowRedirects(true);

    // set a HTTP-User-Agent if not exists
    l_connection.setRequestProperty("User-Agent",
            (System.getProperty("http.agent") == null) || (System.getProperty("http.agent").isEmpty())
                    ? CCommon.PACKAGEROOT + CCommon.configuration().getString("version")
                    : System.getProperty("http.agent"));

    // read stream data
    final InputStream l_stream = l_connection.getInputStream();
    final String l_return = CharStreams.toString(new InputStreamReader(l_stream,
            (l_connection.getContentEncoding() == null) || (l_connection.getContentEncoding().isEmpty())
                    ? Charsets.UTF_8
                    : Charset.forName(l_connection.getContentEncoding())));
    Closeables.closeQuietly(l_stream);

    return l_return;
}

From source file:org.kurento.jsonrpc.internal.http.JsonRpcHttpRequestHandler.java

/**
 *
 * @param request//from   w w  w. j a v  a  2s . com
 * @return
 * @throws IOException
 */
private String getBodyAsString(final HttpServletRequest request) throws IOException {
    return CharStreams.toString(request.getReader());
}

From source file:graphql.servlet.GraphQLServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    GraphQLContext context = createContext(Optional.of(req), Optional.of(resp));
    String path = req.getPathInfo();
    if (path == null) {
        path = req.getServletPath();//w  w  w . j  a va 2s.  c om
    }
    if (path.contentEquals("/schema.json")) {
        query(CharStreams.toString(
                new InputStreamReader(GraphQLServlet.class.getResourceAsStream("introspectionQuery"))), null,
                new HashMap<>(), getSchema(), req, resp, context);
    } else {
        if (req.getParameter("q") != null) {
            query(req.getParameter("q"), null, new HashMap<>(), getReadOnlySchema(), req, resp, context);
        } else if (req.getParameter("query") != null) {
            Map<String, Object> variables = new HashMap<>();
            if (req.getParameter("variables") != null) {
                variables.putAll(new ObjectMapper().readValue(req.getParameter("variables"),
                        new TypeReference<Map<String, Object>>() {
                        }));
            }
            String operationName = null;
            if (req.getParameter("operationName") != null) {
                operationName = req.getParameter("operationName");
            }
            query(req.getParameter("query"), operationName, variables, getReadOnlySchema(), req, resp, context);
        }
    }
}