Example usage for java.util Map isEmpty

List of usage examples for java.util Map isEmpty

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Introduction

In this page you can find the example usage for java.util Map isEmpty.

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this map contains no key-value mappings.

Usage

From source file:Main.java

public static String request(String url, Map<String, String> cookies, Map<String, String> parameters)
        throws Exception {
    HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
    connection.setRequestProperty("User-Agent",
            "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.95 Safari/537.36");
    if (cookies != null && !cookies.isEmpty()) {
        StringBuilder cookieHeader = new StringBuilder();
        for (String cookie : cookies.values()) {
            if (cookieHeader.length() > 0) {
                cookieHeader.append(";");
            }/*  www . j a  v  a2 s .  c  o m*/
            cookieHeader.append(cookie);
        }
        connection.setRequestProperty("Cookie", cookieHeader.toString());
    }
    connection.setDoInput(true);
    if (parameters != null && !parameters.isEmpty()) {
        connection.setDoOutput(true);
        OutputStreamWriter osw = new OutputStreamWriter(connection.getOutputStream());
        osw.write(parametersToWWWFormURLEncoded(parameters));
        osw.flush();
        osw.close();
    }
    if (cookies != null) {
        for (Map.Entry<String, List<String>> headerEntry : connection.getHeaderFields().entrySet()) {
            if (headerEntry != null && headerEntry.getKey() != null
                    && headerEntry.getKey().equalsIgnoreCase("Set-Cookie")) {
                for (String header : headerEntry.getValue()) {
                    for (HttpCookie httpCookie : HttpCookie.parse(header)) {
                        cookies.put(httpCookie.getName(), httpCookie.toString());
                    }
                }
            }
        }
    }
    Reader r = new BufferedReader(new InputStreamReader(connection.getInputStream()));
    StringWriter w = new StringWriter();
    char[] buffer = new char[1024];
    int n = 0;
    while ((n = r.read(buffer)) != -1) {
        w.write(buffer, 0, n);
    }
    r.close();
    return w.toString();
}

From source file:com.vmware.identity.rest.core.client.URIFactory.java

@SuppressWarnings("unchecked")
public static URI buildURI(HostRetriever host, String path, Object... args) throws ClientException {
    Map<String, Object> parameters = null;

    if (args != null) {
        if (args[args.length - 1] instanceof Map) {
            parameters = (Map<String, Object>) args[args.length - 1];
            args = Arrays.copyOf(args, args.length - 1);
        }//from  ww  w  .  j a v a  2  s . co  m
    }

    URIBuilder builder = host.getURIBuilder().setPath(String.format(path, args));

    if (parameters != null && !parameters.isEmpty()) {
        for (Entry<String, Object> param : parameters.entrySet()) {
            if (param.getValue() instanceof Collection) {
                Collection<Object> list = (Collection<Object>) param.getValue();
                Iterator<Object> iter = list.iterator();

                while (iter.hasNext()) {
                    builder.setParameter(param.getKey(), iter.next().toString());
                }

            } else {
                builder.setParameter(param.getKey(), param.getValue().toString());
            }
        }
    }

    try {
        return builder.build();
    } catch (URISyntaxException e) {
        throw new ClientException("An error occurred while building the URI", e);
    }
}

From source file:springfox.documentation.swagger2.web.ForwardedHeader.java

/**
 * Creates a new {@link ForwardedHeader} from the given source.
 *
 * @param source can be {@literal null}.
 * @return/*from w ww.  j a va  2  s  . com*/
 */
public static ForwardedHeader of(String source) {

    if (!StringUtils.hasText(source)) {
        return NO_HEADER;
    }

    Map<String, String> elements = new HashMap<String, String>();

    for (String part : source.split(";")) {

        String[] keyValue = part.split("=");

        if (keyValue.length != 2) {
            continue;
        }

        elements.put(keyValue[0].trim(), keyValue[1].trim());
    }

    Assert.notNull(elements, "Forwarded elements must not be null!");
    Assert.isTrue(!elements.isEmpty(), "At least one forwarded element needs to be present!");

    return new ForwardedHeader(elements);
}

From source file:gridool.db.partitioning.phihash.csv.normal.CsvHashPartitioningJob.java

private static GridNode mapPrimaryFragment(final byte[] distkey, final Map<GridNode, MutableInt> mappedNodes,
        final int tablePartitionNo, final GridRouter router) throws GridException {
    assert (mappedNodes.isEmpty());
    GridNode mappedNode = router.selectNode(distkey);
    if (mappedNode == null) {
        throw new GridException("Could not find any node in cluster.");
    }//  w w  w . j  a v  a2s  .c o m
    MutableInt newHidden = new MutableInt(tablePartitionNo);
    mappedNodes.put(mappedNode, newHidden);
    return mappedNode;
}

From source file:br.bireme.tb.RIPSA.java

/**
 * Given a cell, uses its info tho fill the holes of the template String.
 * @param cell a cell having the data to fill the holes
 * @return a String with holes replaced/*from   ww  w . j a v  a  2 s  . co  m*/
 * @throws IOException 
 */
static String cell2html(final Cell cell) throws IOException {
    assert cell != null;

    if (TEMPLATE == null) {
        throw new IOException("TEMPLATE is null");
    }
    final String qualifRec = cell.getElem().qualifRec.toString();
    final Matcher mat = EDITION_PAT.matcher(qualifRec);
    if (!mat.find()) {
        throw new IOException("out of pattern url [" + qualifRec + "]");
    }
    final String edition = mat.group(2);
    final String father = cell.getElem().father.toString();
    final Matcher matf = Pattern.compile("idb(\\d{4})").matcher(father);
    if (!matf.find()) {
        throw new IOException("out of pattern url [" + father + "]");
    }
    final String year = matf.group(1);

    String str = TEMPLATE;
    final StringBuilder builder = new StringBuilder();
    boolean first;

    final String title = cell.getTitle();
    final String title2 = (title == null) ? "" : title;
    str = str.replace("$$title$$", title2);

    final String subtitle = cell.getSubtitle();
    if ((subtitle != null) && (!subtitle.isEmpty())) {
        str = str.replace("$$subtitle$$", "<h2>" + subtitle + "</h2>");
    } else {
        str = str.replace("$$subtitle$$", "");
    }

    str = str.replace("$$description$$",
            "Clulas IDB - " + edition + " - " + year + " - " + title2 + " - " + subtitle);

    final StringBuilder aux = new StringBuilder(title);
    final Map<String, String> tableOptions = cell.getElem().tableOptions;

    if ((tableOptions != null) && (!tableOptions.isEmpty())) {
        for (String opt : tableOptions.values()) {
            if ((!opt.equals("No ativa")) && (!opt.equals("Todas as categorias"))) {
                aux.append(", ");
                aux.append(StringEscapeUtils.unescapeHtml4(opt));
            }
        }
    }
    str = str.replace("$$keywords$$", aux.toString());

    final List<String> scope = cell.getScope();
    builder.setLength(0);
    first = true;
    if ((scope != null) && (!scope.isEmpty())) {
        builder.append("<h3>");
        for (String scp : scope) {
            if (first) {
                first = false;
            } else {
                builder.append("<br/>\n");
            }
            builder.append(scp);
        }
        builder.append("</h3>");
        str = str.replace("$$scope$$", builder.toString());
    } else {
        str = str.replace("$$scope$$", "");
    }

    final List<String> header = cell.getHeader();
    builder.setLength(0);
    first = true;
    if ((header != null) && (!header.isEmpty())) {
        for (String hdr : header) {
            if (first) {
                first = false;
            } else {
                builder.append("<br/>\n");
            }
            builder.append(hdr);
        }
        str = str.replace("$$celheader$$", builder.toString());
    } else {
        str = str.replace("$$celheader$$", "");
    }

    final String row = cell.getRow();
    if ((row != null) && (!row.isEmpty())) {
        str = str.replace("$$celrow$$", row);
    } else {
        str = str.replace("$$celrow$$", "");
    }

    final String value = cell.getValue();
    if ((value != null) && (!value.isEmpty())) {
        String celVal;
        try {
            celVal = NFMT.format(NFMT.parse(value).floatValue());
        } catch (ParseException ex) {
            celVal = value;
        }
        str = str.replace("$$celval$$", celVal);
    } else {
        str = str.replace("$$celval$$", "");
    }

    final List<String> sources = cell.getSources();
    builder.setLength(0);
    if ((sources != null) && (!sources.isEmpty())) {
        builder.append("<div class=\"note\">\n");
        builder.append("\t\t\t\t\t\t\t<label>Fonte(s):</label>\n");
        for (String source : sources) {
            builder.append("\t\t\t\t\t\t\t<p>");
            builder.append(source);
            builder.append("</p>\n");
        }
        builder.append("\t\t\t\t\t\t</div>\n");
        str = str.replace("$$sources$$", builder.toString());
    } else {
        str = str.replace("$$sources$$", "");
    }

    final List<String> labels = cell.getLabels();
    builder.setLength(0);
    if ((labels != null) && (!labels.isEmpty())) {
        builder.append("<div class=\"note\">\n");
        builder.append("\t\t\t\t\t\t\t<label>Legenda(s):</label>\n");
        for (String label : labels) {
            builder.append("\t\t\t\t\t\t\t<p>");
            builder.append(label);
            builder.append("</p>\n");
        }
        builder.append("\t\t\t\t\t\t</div>\n");
        str = str.replace("$$labels$$", builder.toString());
    } else {
        str = str.replace("$$labels$$", "");
    }

    final List<String> notes = cell.getNotes();
    builder.setLength(0);
    if ((notes != null) && (!notes.isEmpty())) {
        builder.append("<div class=\"note\">\n");
        builder.append("\t\t\t\t\t\t\t<label>Nota(s):</label>\n");
        for (String note : notes) {
            builder.append("\t\t\t\t\t\t\t<p>");
            builder.append(note);
            builder.append("</p>\n");
        }
        builder.append("\t\t\t\t\t\t</div>\n");
        str = str.replace("$$notes$$", builder.toString());
    } else {
        str = str.replace("$$notes$$", "");
    }

    str = str.replace("$$father$$", cell.getElem().father.toString());
    str = str.replace("$$qualifRec$$", cell.getElem().qualifRec.toString());

    builder.setLength(0);
    if ((tableOptions != null) && (!tableOptions.isEmpty())) {
        str = str.replace("$$tableHeader$$",
                "<strong>Filtros usados para a" + " gerao da tabela de dados do TabNet</strong>\n<ul>\n");
        /*str = str.replace("$$tableHeader$$", "<strong>Tabela de dados do "
              + "TabNet gerada com os seguintes filtros:</strong><br/><br/>");*/
        for (Map.Entry<String, String> option : tableOptions.entrySet()) {
            builder.append("\t\t\t\t\t\t<li><label>");
            builder.append(option.getKey());
            builder.append(":</label> ");
            builder.append(option.getValue());
            builder.append("</li>\n");
        }
        str = str.replace("$$tableOptions$$", builder.toString() + "\n</ul>");
    } else {
        str = str.replace("$$tableHeader$$", "");
        str = str.replace("$$tableOptions$$", "");
    }

    return str;
}

From source file:com.siemens.sw360.datahandler.common.CommonUtils.java

public static boolean atLeastOneIsNotEmpty(Map... maps) {
    for (Map map : maps) {
        if (map != null && !map.isEmpty())
            return true;
    }//from www .  jav  a  2  s .  c o m
    return false;
}

From source file:org.apache.ignite.yardstick.IgniteNode.java

/**
 * @param springCfgPath Spring configuration file path.
 * @return Grid configuration.//from w  w w . jav  a2s. co  m
 * @throws Exception If failed.
 */
protected static IgniteConfiguration loadConfiguration(String springCfgPath) throws Exception {
    URL url;

    try {
        url = new URL(springCfgPath);
    } catch (MalformedURLException e) {
        url = IgniteUtils.resolveIgniteUrl(springCfgPath);

        if (url == null)
            throw new IgniteCheckedException("Spring XML configuration path is invalid: " + springCfgPath
                    + ". Note that this path should be either absolute or a relative local file system path, "
                    + "relative to META-INF in classpath or valid URL to IGNITE_HOME.", e);
    }

    GenericApplicationContext springCtx;

    try {
        springCtx = new GenericApplicationContext();

        new XmlBeanDefinitionReader(springCtx).loadBeanDefinitions(new UrlResource(url));

        springCtx.refresh();
    } catch (BeansException e) {
        throw new Exception("Failed to instantiate Spring XML application context [springUrl=" + url + ", err="
                + e.getMessage() + ']', e);
    }

    Map<String, IgniteConfiguration> cfgMap;

    try {
        cfgMap = springCtx.getBeansOfType(IgniteConfiguration.class);
    } catch (BeansException e) {
        throw new Exception("Failed to instantiate bean [type=" + IgniteConfiguration.class + ", err="
                + e.getMessage() + ']', e);
    }

    if (cfgMap == null || cfgMap.isEmpty())
        throw new Exception("Failed to find ignite configuration in: " + url);

    return cfgMap.values().iterator().next();
}

From source file:net.opentsdb.ConfigReader.java

public static String[] load(final Config config, final String[] args) {
    InputStream is = null;//w w w . j a  v  a2s.  c  om
    String[] noConfigArgs = {};
    try {

        is = ConfigReader.class.getClassLoader().getResourceAsStream(CONFIG_PATH);
        ArrayNode an = (ArrayNode) JSON.getMapper().readTree(is);
        final LinkedHashMap<String, ConfigurationItem> citems = new LinkedHashMap<String, ConfigurationItem>(
                an.size());
        final HashMap<String, ConfigurationItem> clOptions = new HashMap<String, ConfigurationItem>();
        for (int i = 0; i < an.size(); i++) {
            JsonNode jn = an.get(i);
            ConfigurationItem ci = JSON.getMapper().convertValue(jn, ConfigurationItem.class);
            ci.resolve();
            if (ci.getCl() != null) {
                clOptions.put(ci.getCl(), ci);
            }
            if (ci.getValue() != null) {
                //config.overrideConfig(ci.getKey(), ci.getValue().toString());
                ci.validate();
                citems.put(ci.getKey(), ci);
            }
            //System.out.println(ci.dump());
        }

        final ArgP argp = newArgP();
        noConfigArgs = argp.parse(args);
        final Map<String, String> argpOptions = argp.getParsed();
        if (!argpOptions.isEmpty()) {
            for (Map.Entry<String, String> entry : argpOptions.entrySet()) {
                ConfigurationItem argCi = clOptions.get(entry.getKey());
                if (argCi != null) {
                    argCi.setValueAsText(entry.getValue());
                    citems.put(argCi.getKey(), argCi);
                }
            }
        }
        // Write the configuration to an OpenTSDB config         
        for (ConfigurationItem configItem : citems.values()) {
            config.overrideConfig(configItem.getKey(), configItem.getValueStr());
        }
        return noConfigArgs;
    } catch (Exception ex) {
        throw new RuntimeException("Failed to load resource [" + CONFIG_PATH + "]", ex);
    }
}

From source file:core.Web.java

public static String httpRequest(URL url, Map<String, String> properties, JSONObject message) {
    //        System.out.println(url);
    try {//ww w. j  av a 2 s .  c  o m
        // Create connection
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        //connection.addRequestProperty("Authorization", API_KEY);
        // Set properties if needed
        if (properties != null && !properties.isEmpty()) {
            properties.forEach(connection::setRequestProperty);
        }
        // Post message
        if (message != null) {
            // Maybe somewhere
            connection.setDoOutput(true);
            //                connection.setRequestProperty("Accept", "application/json");
            try (BufferedWriter writer = new BufferedWriter(
                    new OutputStreamWriter(connection.getOutputStream()))) {
                writer.write(message.toString());
            }
        }
        // Establish connection
        connection.connect();
        int responseCode = connection.getResponseCode();

        if (responseCode != 200) {
            System.err.println("Error " + responseCode + ":" + url);
            return null;
        }

        try (BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()))) {
            String line;
            String content = "";
            while ((line = reader.readLine()) != null) {
                content += line;
            }
            return content;
        }

    } catch (IOException ex) {
        Logger.getLogger(Web.class.getName()).log(Level.SEVERE, null, ex);
    }
    return null;
}

From source file:core.Web.java

public static JSONObject httpsRequest(URL url, Map<String, String> properties, JSONObject message) {
    //        System.out.println(url);
    try {//from   w w  w.  j a  v a2  s.  c o m
        // Create connection
        HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
        //connection.addRequestProperty("Authorization", API_KEY);
        // Set properties if needed
        if (properties != null && !properties.isEmpty()) {
            properties.forEach(connection::setRequestProperty);
        }
        // Post message
        if (message != null) {
            // Maybe somewhere
            connection.setDoOutput(true);
            try (BufferedWriter writer = new BufferedWriter(
                    new OutputStreamWriter(connection.getOutputStream()))) {
                writer.write(message.toString());
            }
        }
        // Establish connection
        connection.connect();
        int responseCode = connection.getResponseCode();

        if (responseCode != 200) {
            throw new RuntimeException("Response code was not 200. Detected response was " + responseCode);
        }

        try (BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()))) {
            String line;
            String content = "";
            while ((line = reader.readLine()) != null) {
                content += line;
            }
            return new JSONObject(content);
        }

    } catch (IOException ex) {
        Logger.getLogger(Web.class.getName()).log(Level.SEVERE, null, ex);
    }
    return null;
}