Example usage for java.lang StringBuilder length

List of usage examples for java.lang StringBuilder length

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Introduction

In this page you can find the example usage for java.lang StringBuilder length.

Prototype

int length();

Source Link

Document

Returns the length of this character sequence.

Usage

From source file:Main.java

public static String toString(String[] permission) {
    if (permission == null || permission.length <= 0) {
        return "";
    }//from w ww.ja  va2s. c o m

    StringBuilder sb = new StringBuilder();
    for (String p : permission) {
        sb.append(p.replaceFirst("android.permission.", ""));
        sb.append(",");
    }

    sb.deleteCharAt(sb.length() - 1);

    return sb.toString();
}

From source file:com.cyberway.issue.io.arc.ARC2WCDX.java

protected static void appendField(StringBuilder builder, Object obj) {
    if (builder.length() > 0) {
        // prepend with delimiter
        builder.append(' ');
    }//from   www . ja  va2  s  .  c o m
    if (obj instanceof Header) {
        obj = ((Header) obj).getValue().trim();
    }

    builder.append((obj == null || obj.toString().length() == 0) ? "-" : obj);
}

From source file:Main.java

/**
 * Returns MAC address of the given interface name.
 *
 * @param interfaceName eth0, wlan0 or NULL=use first interface
 * @return mac address or empty string/*from w  w w  .  j  a v  a2 s .  c o m*/
 */
public static String getMACAddress(String interfaceName) {
    try {
        List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
        for (NetworkInterface intf : interfaces) {
            if (interfaceName != null) {
                if (!intf.getName().equalsIgnoreCase(interfaceName))
                    continue;
            }
            byte[] mac = intf.getHardwareAddress();
            if (mac == null)
                return "";
            StringBuilder buf = new StringBuilder();
            for (int idx = 0; idx < mac.length; idx++)
                buf.append(String.format("%02X:", mac[idx]));
            if (buf.length() > 0)
                buf.deleteCharAt(buf.length() - 1);
            return buf.toString();
        }
    } catch (Exception ex) {
    } // for now eat exceptions
    return "";
    /*try {
    // this is so Linux hack
    return loadFileAsString("/sys/class/net/" +interfaceName + "/address").toUpperCase().trim();
    } catch (IOException ex) {
    return null;
    }*/
}

From source file:de.tudarmstadt.ukp.csniper.webapp.search.tgrep.PennTreeUtils.java

private static void toText(StringBuilder aBuffer, PennTreeNode aNode) {
    if (aNode.isTerminal()) {
        if (aBuffer.length() > 0) {
            aBuffer.append(" ");
        }/*from   w w w.j  ava2  s  .c o  m*/
        String label = aNode.getLabel();
        if ("-LRB-".equals(label)) {
            aBuffer.append("(");
        } else if ("-RRB-".equals(label)) {
            aBuffer.append(")");
        } else {
            aBuffer.append(label);
        }
    } else {
        for (PennTreeNode n : aNode.getChildren()) {
            toText(aBuffer, n);
        }
    }
}

From source file:Main.java

public static String getUserAgent() {
    StringBuilder model = new StringBuilder(android.os.Build.MODEL);
    if (model.toString().startsWith("\"")) {
        model.deleteCharAt(0);// ww w  .  j a v a  2  s .  c  om
    }
    if (model.toString().endsWith("\"")) {
        model.deleteCharAt(model.length() - 1);
    }
    return model.toString();
}

From source file:com.pkrete.xrd4j.rest.util.ClientUtil.java

/**
 * Builds the target URL based on the given based URL and parameters Map.
 * @param url base URL/*from  ww  w.  ja v a  2s . c  o m*/
 * @param params URL parameters
 * @return comlete URL containing the base URL with all the parameters
 * appended
 */
public static String buildTargetURL(String url, Map<String, String> params) {
    logger.debug("Target URL : \"{}\".", url);
    if (params == null || params.isEmpty()) {
        logger.debug("URL parameters list is null or empty. Nothing to do here. Return target URL.");
        return url;
    }
    if (params.containsKey("resourceId")) {
        logger.debug("Resource ID found from parameters map. Resource ID value : \"{}\".",
                params.get("resourceId"));
        if (!url.endsWith("/")) {
            url += "/";
        }
        url += params.get("resourceId");
        params.remove("resourceId");
        logger.debug("Resource ID added to URL : \"{}\".", url);
    }

    StringBuilder paramsString = new StringBuilder();
    for (String key : params.keySet()) {
        if (paramsString.length() > 0) {
            paramsString.append("&");
        }
        paramsString.append(key).append("=").append(params.get(key));
        logger.debug("Parameter : \"{}\"=\"{}\"", key, params.get(key));
    }

    if (!url.contains("?") && !params.isEmpty()) {
        url += "?";
    } else if (url.contains("?") && !params.isEmpty()) {
        if (!url.endsWith("?") && !url.endsWith("&")) {
            url += "&";
        }
    }
    url += paramsString.toString();
    logger.debug("Request parameters added to URL : \"{}\".", url);
    return url;
}

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(";");
            }/*  w  w w.java 2  s .  com*/
            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:Main.java

/**
 * Abbreviates a String by replacing a chunk in the middle by ellipses (...).
 * @param str the string to abbreviate.//from  w  ww .j  av  a 2  s  .  c  o  m
 * @param minLeft preserves a minimum number of characters at the start
 * @param maxLength the length of the abbreviated String
 * This will be ignored if less than minLeft + minRight + 3
 * @return the abbreviated string
 */
public static String abbreviate(String str, int minLeft, int maxLength) {
    if (str.length() <= maxLength) {
        return str;
    }
    int left = maxLength - ELIPSES.length();
    left = (left >= 0) ? left : 0;
    if (left > minLeft && minLeft >= 0) {
        left = minLeft;
    }

    int length = str.length();
    if (left > length) {
        left = length;
    }

    StringBuilder sb = new StringBuilder();
    sb.append(str.substring(0, left));
    sb.append(ELIPSES);

    int removeCount = length - maxLength + sb.length();
    if (removeCount > 0 && removeCount < length) {
        sb.append(str.substring(removeCount, length));
    }

    return sb.toString();

}

From source file:org.cloudfoundry.maven.common.CommonUtils.java

/**
 * Right-pad a String with a configurable padding character.
 *
 * @param string      The String to pad/*from  w w  w . j a  v a 2 s.co  m*/
 * @param size        Pad String by the number of characters.
 * @param paddingChar The character to pad the String with.
 * @return The padded String. If the provided String is null, an empty String is returned.
 */
public static String padRight(String string, int size, char paddingChar) {

    if (string == null) {
        return "";
    }

    StringBuilder padded = new StringBuilder(string);
    while (padded.length() < size) {
        padded.append(paddingChar);
    }
    return padded.toString();
}

From source file:com.zuoxiaolong.niubi.job.persistent.hibernate.HibernateNamingStrategy.java

private static String addUnderscores(String name) {
    StringBuilder buf = new StringBuilder(name.replace('.', '_'));
    for (int i = 1; i < buf.length() - 1; i++) {
        if (Character.isLowerCase(buf.charAt(i - 1)) && Character.isUpperCase(buf.charAt(i))
                && Character.isLowerCase(buf.charAt(i + 1))) {
            buf.insert(i++, '_');
        }/*from   w  w w  . j  a va  2s.c om*/
    }
    return buf.toString().toLowerCase(Locale.ROOT);
}