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:au.org.ala.layers.util.BatchProducer.java

private static String readFile(String filename) throws IOException {
    BufferedReader br = new BufferedReader(new FileReader(filename));
    StringBuilder sb = new StringBuilder();
    String line;/*from   w ww .  j av  a 2  s.  c om*/
    while ((line = br.readLine()) != null) {
        if (sb.length() > 0) {
            sb.append("\n");
        }
        sb.append(line);
    }
    return sb.toString();
}

From source file:Main.java

/**
 * Get the host name by mesh ip/*from w ww  .  j a va2 s. co m*/
 * 
 * @param meshIp the mesh ip, e.g. C0A80102
 * @return the ip address, e.g. 192.168.1.2
 */
public static String getHostNameByMeshIp(String meshIp) {
    StringBuilder sb = new StringBuilder();
    int value;
    for (int i = 0; i < meshIp.length(); i += 2) {
        value = Integer.parseInt(meshIp.substring(i, i + 2), 16);
        sb.append(value);
        sb.append(".");
    }
    return sb.substring(0, sb.length() - 1);
}

From source file:Main.java

private static String __getNextWord(String s, int pos) {
    int i = 0;/* w w  w .j  a  v  a  2 s .com*/
    StringBuilder sb = new StringBuilder();
    while (pos + i < s.length()) {
        char c = s.charAt(pos + i);
        if (Character.isLetter(c)) {
            sb.append(c);
        } else {
            break;
        }
        i++;
    }
    if (sb.length() == 0)
        return null;
    return sb.toString();
}

From source file:Main.java

public static String getParams(ExecutableElement d) {
    Collection<? extends VariableElement> params = d.getParameters();
    if (params.size() == 0)
        return "";
    StringBuilder sbuf = new StringBuilder(params.size() * 20);
    for (VariableElement param : params) {
        sbuf.append(param.asType());//w ww .java  2s .c  o m
        sbuf.append(' ');
        sbuf.append(param.getSimpleName());
        sbuf.append(',');
    }
    sbuf.setLength(sbuf.length() - 1);
    return sbuf.toString();
}

From source file:com.github.xbn.text.CharUtil.java

/**
   <p>XXX</p>/*from   w  w  w .  j a v  a  2 s.  c om*/
 */
public static final StringBuilder appendDuped(StringBuilder to_appendTo, char chr, int total_dups) {
    if (total_dups < 1) {
        return to_appendTo;
    }

    try {
        to_appendTo.setLength(to_appendTo.length() + total_dups);
    } catch (RuntimeException rx) {
        throw CrashIfObject.nullOrReturnCause(to_appendTo, "to_appendTo", null, rx);
    }

    for (int i = 0; i < total_dups; i++) {
        to_appendTo.append(chr);
    }

    return to_appendTo;
}

From source file:io.takari.maven.testing.executor.ForkedLauncher.java

private static String toPath(List<String> strings) {
    StringBuilder sb = new StringBuilder();
    for (String string : strings) {
        if (sb.length() > 0) {
            sb.append(File.pathSeparatorChar);
        }//from   w w w  .j  ava2 s.co m
        sb.append(string);
    }
    return sb.toString();
}

From source file:io.lavagna.model.util.ShortNameGenerator.java

private static String takeFirstFourUpperCaseChars(String s) {
    StringBuilder sb = new StringBuilder();
    for (char c : s.toCharArray()) {
        if (Character.isUpperCase(c)) {
            sb.append(c);// w ww.  ja  v  a2s.c  o  m
        }
    }
    return sb.substring(0, Math.min(sb.length(), 4));
}

From source file:Main.java

/**
 * Returns the XPath to retrieve targetElement from rootElement. rootElement may be null, in this case the XPath starts with and includes
 * the farthest non-null ancestor of targetElement. If rootElement == targetElement, an empty string
 * is returned. //ww  w. j  av a2 s  .  c o  m
 * @param includeElementIndex Indicates if the element indices in the form elementName[n] should
 * be included in the XPath. 
 * @param namespacesMap Maps namespace ids to namespace URIs.
 */
public static String getXPath(Element rootElement, Element targetElement, boolean includeElementIndex,
        Map<String, String> namespacesMap) {
    Stack<Element> elementPath = new Stack<Element>();

    // since we need the mapping the other way round, we invert the map
    Map<String, String> namespaceUriToIdMap = new HashMap<String, String>();
    for (Entry<String, String> entry : namespacesMap.entrySet()) {
        namespaceUriToIdMap.put(entry.getValue(), entry.getKey());
    }

    // recursively find all ancestors of targetElement (up to, not including, rootElement) 
    {
        Element currentElement = targetElement;
        while (currentElement != null && currentElement != rootElement) {
            elementPath.push(currentElement);
            Node parent = currentElement.getParentNode();
            if (parent instanceof Element) {
                currentElement = (Element) currentElement.getParentNode();
            } else {
                currentElement = null;
            }
        }
    }

    // construct XPath
    StringBuilder builder = new StringBuilder();
    while (!elementPath.isEmpty()) {
        Element currentElement = elementPath.pop();
        if (builder.length() > 0) {
            // don't include "/" at the beginning
            builder.append("/");
        }

        if (namespacesMap != null) {
            String namespace = currentElement.getNamespaceURI();
            if (namespace != null) {
                namespace = namespaceUriToIdMap.get(namespace);
                builder.append(namespace);
                builder.append(":");
            }
        }
        builder.append(currentElement.getLocalName());
        if (includeElementIndex) {
            int index = getElementIndex(currentElement);
            builder.append("[");
            builder.append(index);
            builder.append("]");
        }
    }
    return builder.toString();
}

From source file:Main.java

/**
 * Returns a valid Java name from an XML Name.
 *
 * @param name/*  w  w  w  .ja va2s  .co  m*/
 * @param isUpperCase
 * @return a valid Java name from an XML Name
 */
public static String getJavaNameFromXMLName(String name, boolean isUpperCase) {
    List<String> parsedName = parseName(name, '_');
    StringBuilder result = new StringBuilder(64 * parsedName.size());
    for (String nameComponent : parsedName) {
        if (nameComponent.length() > 0) {
            if (result.length() > 0 || isUpperCase) {
                result.append(Character.toUpperCase(nameComponent.charAt(0)));
                result.append(nameComponent.substring(1));
            } else {
                result.append(nameComponent);
            }
        }
    }

    if (result.length() == 0) {
        return "_";
    }
    if (Character.isJavaIdentifierStart(result.charAt(0))) {
        return isUpperCase ? result.toString() : decapitalizeName(result.toString());
    }
    return "_" + result;
}

From source file:Main.java

private static CharSequence consume(URLConnection connection, int maxChars) throws IOException {
    String encoding = getEncoding(connection);
    StringBuilder out = new StringBuilder();
    Reader in = null;//w  w w  . ja  v a2s. c  o  m
    try {
        in = new InputStreamReader(connection.getInputStream(), encoding);
        char[] buffer = new char[1024];
        int charsRead;
        while (out.length() < maxChars && (charsRead = in.read(buffer)) > 0) {
            out.append(buffer, 0, charsRead);
        }
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException ioe) {
                // continue
            } catch (NullPointerException ioe) {
                // continue
            }
        }
    }
    return out;
}