Example usage for java.lang StringBuilder charAt

List of usage examples for java.lang StringBuilder charAt

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Introduction

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

Prototype

char charAt(int index);

Source Link

Document

Returns the char value at the specified index.

Usage

From source file:tr.edu.gsu.nerwip.retrieval.reader.wikipedia.WikipediaReader.java

/**
 * Retrieve the text located in /*from   ww w  .j a  va  2s . c  o  m*/
 * a list (UL or OL) HTML element.
 * 
 * @param element
 *       Element to be processed.
 * @param rawStr
 *       Current raw text string.
 * @param linkedStr
 *       Current text with hyperlinks.
 * @param ordered
 *       Whether the list is numbered or not.
 */
private void processListElement(Element element, StringBuilder rawStr, StringBuilder linkedStr,
        boolean ordered) { // possibly remove the last new line character
    char c = rawStr.charAt(rawStr.length() - 1);
    if (c == '\n') {
        rawStr.deleteCharAt(rawStr.length() - 1);
        linkedStr.deleteCharAt(linkedStr.length() - 1);
    }

    // possibly remove preceeding space
    c = rawStr.charAt(rawStr.length() - 1);
    if (c == ' ') {
        rawStr.deleteCharAt(rawStr.length() - 1);
        linkedStr.deleteCharAt(linkedStr.length() - 1);
    }

    // possibly add a column
    c = rawStr.charAt(rawStr.length() - 1);
    if (c != '.' && c != ':' && c != ';') {
        rawStr.append(":");
        linkedStr.append(":");
    }

    // process each list element
    int count = 1;
    for (Element listElt : element.getElementsByTag(XmlNames.ELT_LI)) { // add leading space
        rawStr.append(" ");
        linkedStr.append(" ");

        // possibly add number
        if (ordered) {
            rawStr.append(count + ") ");
            linkedStr.append(count + ") ");
        }
        count++;

        // get text and links
        processTextElement(listElt, rawStr, linkedStr);

        // possibly remove the last new line character
        c = rawStr.charAt(rawStr.length() - 1);
        if (c == '\n') {
            rawStr.deleteCharAt(rawStr.length() - 1);
            linkedStr.deleteCharAt(linkedStr.length() - 1);
        }

        // add final separator
        rawStr.append(";");
        linkedStr.append(";");
    }

    // possibly remove last separator
    c = rawStr.charAt(rawStr.length() - 1);
    if (c == ';') {
        rawStr.deleteCharAt(rawStr.length() - 1);
        linkedStr.deleteCharAt(linkedStr.length() - 1);
        c = rawStr.charAt(rawStr.length() - 1);
        if (c != '.') {
            rawStr.append(".");
            linkedStr.append(".");
        }
        rawStr.append("\n");
        linkedStr.append("\n");
    }
}

From source file:com.datos.vfs.impl.DefaultFileSystemManager.java

/**
 * Resolves a name, relative to the root.
 *
 * @param base the base filename/*from  ww w  .j a v  a 2  s .  com*/
 * @param name the name
 * @param scope the {@link NameScope}
 * @return The FileName of the file.
 * @throws FileSystemException if an error occurs.
 */
@Override
public FileName resolveName(final FileName base, final String name, final NameScope scope)
        throws FileSystemException {
    final FileName realBase;
    if (base != null && VFS.isUriStyle() && base.isFile()) {
        realBase = base.getParent();
    } else {
        realBase = base;
    }

    final StringBuilder buffer = new StringBuilder(name);

    // Adjust separators
    UriParser.fixSeparators(buffer);
    String scheme = UriParser.extractScheme(buffer.toString());

    // Determine whether to prepend the base path
    if (name.length() == 0 || (scheme == null && buffer.charAt(0) != FileName.SEPARATOR_CHAR)) {
        // Supplied path is not absolute
        if (!VFS.isUriStyle()) {
            // when using uris the parent already do have the trailing "/"
            buffer.insert(0, FileName.SEPARATOR_CHAR);
        }
        buffer.insert(0, realBase.getPath());
    }

    // Normalise the path
    final FileType fileType = UriParser.normalisePath(buffer);

    // Check the name is ok
    final String resolvedPath = buffer.toString();
    if (!AbstractFileName.checkName(realBase.getPath(), resolvedPath, scope)) {
        throw new FileSystemException("vfs.provider/invalid-descendent-name.error", name);
    }

    String fullPath;
    if (scheme != null) {
        fullPath = resolvedPath;
    } else {
        scheme = realBase.getScheme();
        fullPath = realBase.getRootURI() + resolvedPath;
    }
    final FileProvider provider = providers.get(scheme);
    if (provider != null) {
        // TODO: extend the filename parser to be able to parse
        // only a pathname and take the missing informations from
        // the base. Then we can get rid of the string operation.
        // // String fullPath = base.getRootURI() +
        // resolvedPath.substring(1);

        return provider.parseUri(realBase, fullPath);
    }

    // An unknown scheme - hand it to the default provider - if possible
    if (scheme != null && defaultProvider != null) {
        return defaultProvider.parseUri(realBase, fullPath);
    }

    // TODO: avoid fallback to this point
    // this happens if we have a virtual filesystem (no provider for scheme)
    return ((AbstractFileName) realBase).createName(resolvedPath, fileType);
}

From source file:tr.edu.gsu.nerwip.retrieval.reader.wikipedia.WikipediaReader.java

/**
 * Retrieve the text located in /*from  w w  w.  ja  v  a 2s.c o m*/
 * a description list (DL) HTML element.
 * 
 * @param element
 *       Element to be processed.
 * @param rawStr
 *       Current raw text string.
 * @param linkedStr
 *       Current text with hyperlinks.
 */
private void processDescriptionListElement(Element element, StringBuilder rawStr, StringBuilder linkedStr) { // possibly remove the last new line character
    char c = rawStr.charAt(rawStr.length() - 1);
    if (c == '\n') {
        rawStr.deleteCharAt(rawStr.length() - 1);
        linkedStr.deleteCharAt(linkedStr.length() - 1);
    }

    // possibly remove preceeding space
    c = rawStr.charAt(rawStr.length() - 1);
    if (c == ' ') {
        rawStr.deleteCharAt(rawStr.length() - 1);
        linkedStr.deleteCharAt(linkedStr.length() - 1);
    }

    // possibly add a column
    c = rawStr.charAt(rawStr.length() - 1);
    if (c != '.' && c != ':' && c != ';') {
        rawStr.append(":");
        linkedStr.append(":");
    }

    // process each list element
    Elements elements = element.children();
    Iterator<Element> it = elements.iterator();
    Element tempElt = null;
    if (it.hasNext())
        tempElt = it.next();
    while (tempElt != null) { // add leading space
        rawStr.append(" ");
        linkedStr.append(" ");

        // get term
        String tempName = tempElt.tagName();
        if (tempName.equals(XmlNames.ELT_DT)) { // process term
            processTextElement(tempElt, rawStr, linkedStr);

            // possibly remove the last new line character
            c = rawStr.charAt(rawStr.length() - 1);
            if (c == '\n') {
                rawStr.deleteCharAt(rawStr.length() - 1);
                linkedStr.deleteCharAt(linkedStr.length() - 1);
            }

            // possibly remove preceeding space
            c = rawStr.charAt(rawStr.length() - 1);
            if (c == ' ') {
                rawStr.deleteCharAt(rawStr.length() - 1);
                linkedStr.deleteCharAt(linkedStr.length() - 1);
            }

            // possibly add a column and space
            c = rawStr.charAt(rawStr.length() - 1);
            if (c != '.' && c != ':' && c != ';') {
                rawStr.append(": ");
                linkedStr.append(": ");
            }

            // go to next element
            if (it.hasNext())
                tempElt = it.next();
            else
                tempElt = null;
        }

        // get definition
        //         if(tempName.equals(XmlNames.ELT_DD))
        if (tempElt != null) { // process term
            processTextElement(tempElt, rawStr, linkedStr);

            // possibly remove the last new line character
            c = rawStr.charAt(rawStr.length() - 1);
            if (c == '\n') {
                rawStr.deleteCharAt(rawStr.length() - 1);
                linkedStr.deleteCharAt(linkedStr.length() - 1);
            }

            // possibly remove preceeding space
            c = rawStr.charAt(rawStr.length() - 1);
            if (c == ' ') {
                rawStr.deleteCharAt(rawStr.length() - 1);
                linkedStr.deleteCharAt(linkedStr.length() - 1);
            }

            // possibly add a semi-column
            c = rawStr.charAt(rawStr.length() - 1);
            if (c != '.' && c != ':' && c != ';') {
                rawStr.append(";");
                linkedStr.append(";");
            }

            // go to next element
            if (it.hasNext())
                tempElt = it.next();
            else
                tempElt = null;
        }
    }

    // possibly remove last separator
    c = rawStr.charAt(rawStr.length() - 1);
    if (c == ';') {
        rawStr.deleteCharAt(rawStr.length() - 1);
        linkedStr.deleteCharAt(linkedStr.length() - 1);
        c = rawStr.charAt(rawStr.length() - 1);
        if (c != '.') {
            rawStr.append(".");
            linkedStr.append(".");
        }
        rawStr.append("\n");
        linkedStr.append("\n");
    }
}

From source file:org.eclipse.php.internal.core.typeinference.PHPModelUtils.java

/**
 * Concatenate FQN parameters into one string e.g. 'A\B' + 'C\D' = 'A\B\C\D'
 * /*from  w w w.  j  a  va2s.co  m*/
 * @param fqns
 *            names to concat
 * @return concatenated names
 */
@NonNull
public static String concatFullyQualifiedNames(String... fqns) {
    StringBuilder builder = new StringBuilder();
    for (String fqn : fqns) {
        if (fqn != null) {
            if (builder.length() != 0
                    && builder.charAt(builder.length() - 1) != NamespaceReference.NAMESPACE_SEPARATOR
                    && !fqn.isEmpty() && fqn.charAt(0) != NamespaceReference.NAMESPACE_SEPARATOR) {
                builder.append(NamespaceReference.NAMESPACE_SEPARATOR);
            }
            builder.append(fqn);
        }
    }
    return builder.toString();
}

From source file:github.daneren2005.dsub.util.Util.java

public static String getRestUrl(Context context, String method, SharedPreferences prefs, int instance,
        boolean allowAltAddress) {
    StringBuilder builder = new StringBuilder();

    String serverUrl = prefs.getString(Constants.PREFERENCES_KEY_SERVER_URL + instance, null);
    if (allowAltAddress && Util.isWifiConnected(context)) {
        String SSID = prefs.getString(Constants.PREFERENCES_KEY_SERVER_LOCAL_NETWORK_SSID + instance, "");
        String currentSSID = Util.getSSID(context);

        String[] ssidParts = SSID.split(",");
        if ("".equals(SSID) || SSID.equals(currentSSID) || Arrays.asList(ssidParts).contains(currentSSID)) {
            String internalUrl = prefs.getString(Constants.PREFERENCES_KEY_SERVER_INTERNAL_URL + instance,
                    null);//w  ww.ja  va 2 s.  c  o  m
            if (internalUrl != null && !"".equals(internalUrl) && !"http://".equals(internalUrl)) {
                serverUrl = internalUrl;
            }
        }
    }

    String username = prefs.getString(Constants.PREFERENCES_KEY_USERNAME + instance, null);
    String password = prefs.getString(Constants.PREFERENCES_KEY_PASSWORD + instance, null);

    // Slightly obfuscate password
    password = "enc:" + Util.utf8HexEncode(password);

    builder.append(serverUrl);
    if (builder.charAt(builder.length() - 1) != '/') {
        builder.append("/");
    }
    builder.append("rest/").append(method).append(".view");
    builder.append("?u=").append(username);
    builder.append("&p=").append(password);
    builder.append("&v=").append(Constants.REST_PROTOCOL_VERSION);
    builder.append("&c=").append(Constants.REST_CLIENT_ID);

    return builder.toString();
}

From source file:jp.aegif.alfresco.online_webdav.WebDAVHelper.java

public String getURLForPath(HttpServletRequest request, String path, boolean isCollection, String userAgent) {
    String urlPathPrefix = getUrlPathPrefix(request);
    StringBuilder urlStr = new StringBuilder(urlPathPrefix);

    if (path.equals(WebDAV.RootPath) == false) {
        // split the path and URL encode each path element
        for (StringTokenizer t = new StringTokenizer(path, PathSeperator); t.hasMoreTokens(); /**/) {
            urlStr.append(WebDAVHelper.encodeURL(t.nextToken(), userAgent));
            if (t.hasMoreTokens()) {
                urlStr.append(PathSeperator);
            }/* w  ww. jav  a2s. co m*/
        }
    }

    // If the URL is to a collection add a trailing slash
    if (isCollection && urlStr.charAt(urlStr.length() - 1) != PathSeperatorChar) {
        urlStr.append(PathSeperator);
    }

    logger.debug("getURLForPath() path:" + path + " => url:" + urlStr);

    // Return the URL string
    return urlStr.toString();
}

From source file:org.georchestra.security.Proxy.java

private String concat(String target, StringBuilder builder) {
    if (target == null) {
        return null;
    }//from  w  ww . j  a  v  a2  s .co  m
    String target2 = target;
    if (target.endsWith("/")) {
        target2 = target.substring(0, target.length() - 1);
    }
    if (builder.charAt(0) != '/') {
        builder.insert(0, '/');
    }
    return target2 + builder;

}

From source file:org.ngrinder.perftest.service.PerfTestService.java

private void completeCustomData(Map<String, String> returnMap, String key, StringBuilder customData) {
    if (customData.charAt(customData.length() - 1) == ',') {
        customData.deleteCharAt(customData.length() - 1);
    }//from  w w  w. jav a2  s.  co m
    returnMap.put(key, customData.append("]").toString());
}

From source file:com.heliosdecompiler.helios.tasks.DecompileTask.java

private List<String> generatePossibilities(ClassOrInterfaceType type) {
    List<String> possibilities = new ArrayList<>();

    /*/*from  ww  w . j  av a 2 s .c o m*/
     * This is the ClassOrInterfaceType as the entire string.
     * Eg. java.lang.System or System
     */
    String fullName = type.toString();
    /*
     * This will only be one word.
     * Eg. System
     */
    String simpleName = type.getName();
    /*
     * If the fullName is something like Outer.Inner, asInnerClass will be Outer$Inner
     *
     * However, if the fullName is a FQN, then asInnerClass will not be valid
     * Eg, java$lang$System
     */
    String asInnerClass = fullName.replace('.', '$');

    for (ImportDeclaration importDeclaration : compilationUnit.getImports()) {
        if (importDeclaration.isAsterisk()) {
            String fullImport = importDeclaration.getName().toString();
            String internalName = fullImport.replace('.', '/');
            possibilities.add(internalName + "/" + asInnerClass + ".class");
        } else if (importDeclaration.isStatic()) {

        } else {
            NameExpr importName = importDeclaration.getName();
            if (importName.getName().equals(simpleName)) {
                String javaName = importDeclaration.getName().toString();
                String internalName = javaName.replace('.', '/');
                possibilities.add(internalName + ".class");
            }
        }
    }

    /*
     * We must consider Fully Qualified Names
     * Therefore the string java.lang.System could be java$lang$System, java.lang$System, or java.lang.System
     */
    String[] split = fullName.split("\\.");
    for (int i = 0; i < split.length; i++) {
        StringBuilder builder = new StringBuilder();
        for (int start = 0; start < i; start++) {
            builder.append(split[start]).append("/");
        }
        for (int start = i; start < split.length; start++) {
            builder.append(split[start]).append("$");
        }
        if (builder.length() > 0 && (builder.charAt(builder.length() - 1) == '$'
                || builder.charAt(builder.length() - 1) == '/')) {
            builder.setLength(builder.length() - 1);
        }
        builder.append(".class");
        possibilities.add(builder.toString());
    }

    return possibilities;
}

From source file:org.ngrinder.perftest.service.PerfTestService.java

/**
 * Get plugin monitor data and wrap the data as a string value like "[22,11,12,34,....]", which can be used directly
 * in JS as a vector.//w  w w.  j a va2s.  c  om
 *
 * @param testId   test id
 * @param plugin   plugin name
 * @param kind     kind
 * @param interval interval value to get data. Interval value "2" means, get one record for every "2" records.
 * @return return the data in map
 */
public Map<String, Object> getReportPluginGraph(long testId, String plugin, String kind, int interval) {
    Map<String, Object> returnMap = Maps.newHashMap();
    File pluginDataFile = getReportPluginDataFile(testId, plugin, kind);
    BufferedReader br = null;
    try {
        br = new BufferedReader(new FileReader(pluginDataFile));
        String header = br.readLine();

        StringBuilder headerSB = new StringBuilder("[");
        String[] headers = StringUtils.split(header, ",");
        String[] refinedHeaders = StringUtils.split(header, ",");
        List<StringBuilder> dataStringBuilders = new ArrayList<StringBuilder>(headers.length);

        for (int i = 0; i < headers.length; i++) {
            dataStringBuilders.add(new StringBuilder("["));
            String refinedHead = headers[i].trim().replaceAll(" ", "_");
            refinedHeaders[i] = refinedHead;
            headerSB.append("'").append(refinedHead).append("'").append(",");
        }
        String headerStringInJSONList = headerSB.deleteCharAt(headerSB.length() - 1).append("]").toString();
        returnMap.put("header", headerStringInJSONList);

        String line = br.readLine();
        int skipCount = interval;
        // to be compatible with previous version, check the length before adding
        while (StringUtils.isNotBlank(line)) {
            if (skipCount < interval) {
                skipCount++;
            } else {
                skipCount = 1;
                String[] records = StringUtils.split(line, ",");
                for (int i = 0; i < records.length; i++) {
                    if ("null".equals(records[i]) || "undefined".equals(records[i])) {
                        dataStringBuilders.get(i).append("null").append(",");
                    } else {
                        dataStringBuilders.get(i).append(records[i]).append(",");
                    }
                }
                line = br.readLine();
            }
        }
        for (int i = 0; i < refinedHeaders.length; i++) {
            StringBuilder dataSB = dataStringBuilders.get(i);
            if (dataSB.charAt(dataSB.length() - 1) == ',') {
                dataSB.deleteCharAt(dataSB.length() - 1);
            }
            dataSB.append("]");
            returnMap.put(refinedHeaders[i], dataSB.toString());
        }
    } catch (IOException e) {
        LOGGER.error("Error while getting monitor: {} data file:{}", plugin, pluginDataFile);
        LOGGER.error(e.getMessage(), e);
    } finally {
        IOUtils.closeQuietly(br);
    }
    return returnMap;
}