Example usage for java.lang StringBuilder deleteCharAt

Introduction

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

Prototype

@Override
public StringBuilder deleteCharAt(int index) 

Source Link

Usage

From source file:ch.iceage.icedms.persistence.jdbc.query.AbstractGenericQueries.java

protected final Object getColumns(String tableName, String tableAlias, JoinClause... clause) {
    StringBuilder sb = new StringBuilder();
    for (String column : schema.getColumNames(tableName)) {
        sb.append(tableAlias).append(".").append(column).append("  ").append(tableAlias).append("_")
                .append(column).append(", ");
    }/* ww w . ja v  a2s.com*/
    if (clause != null) {
        for (JoinClause current : clause) {
            for (String column : schema.getColumNames(current.getTableTo())) {
                sb.append(current.getTableAliasTo()).append(".").append(column).append(" ")
                        .append(current.getTableAliasTo()).append("_").append(column).append(", ");
            }
        }
        sb.deleteCharAt(sb.length() - 2);
    }
    return sb;
}

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From source file:org.apache.olingo.client.core.uri.URIBuilderImpl.java

protected String buildMultiKeySegment(final Map<String, Object> segmentValues, final boolean escape,
        final char sperator) {
    if (segmentValues == null || segmentValues.isEmpty()) {
        return StringUtils.EMPTY;
    } else {//from  www.ja va 2  s  .  c  o  m
        final StringBuilder keyBuilder = new StringBuilder().append('(');
        for (Map.Entry<String, Object> entry : segmentValues.entrySet()) {
            keyBuilder.append(entry.getKey()).append('=')
                    .append(escape ? URIUtils.escape(entry.getValue()) : entry.getValue());
            keyBuilder.append(sperator);
        }
        keyBuilder.deleteCharAt(keyBuilder.length() - 1).append(')');

        return keyBuilder.toString();
    }
}

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From source file:com.g3net.tool.StringUtils.java

/**
 * Trim leading whitespace from the given String.
 * //from  www .j a va 2 s .  c  om
 * @param str
 *            the String to check
 * @return the trimmed String
 * @see java.lang.Character#isWhitespace
 */
public static String trimLeadingWhitespace(String str) {
    if (!hasLength(str)) {
        return str;
    }
    StringBuilder buf = new StringBuilder(str);
    while (buf.length() > 0 && Character.isWhitespace(buf.charAt(0))) {
        buf.deleteCharAt(0);
    }
    return buf.toString();
}

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From source file:models.TopicModel.java

public void saveObjectGraph() throws Exception {
    Ebean.beginTransaction();//from w w w . jav a2  s. c  om
    Configuration config = Play.application().configuration();
    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        oos.writeObject(malletTopicModel);
        oos.close();
        model = baos.toByteArray();

        baos = new ByteArrayOutputStream();
        oos = new ObjectOutputStream(baos);
        oos.writeObject(malletTopicModel.getInferencer());
        oos.close();
        inferencer = baos.toByteArray();

        ArrayList<Topic> topicList = new ArrayList<Topic>();

        // create topics
        Object[][] topicWords = malletTopicModel.getTopWords(config.getInt("smarts.topicModel.numTopWords"));
        for (int topicNum = 0; topicNum < this.numTopics; topicNum++) {
            StringBuilder wordList = new StringBuilder();
            Object[] words = topicWords[topicNum];

            for (Object w : words) {
                wordList.append(w);
                wordList.append(" ");
            }
            if (wordList.length() > 0) {
                // remove trailing space
                wordList.deleteCharAt(wordList.length() - 1);
            }
            Topic topic = new Topic(topicNum, wordList.toString());
            topics.add(topic);

            topicList.add(topic);
        }

        // create documents
        PancakeTopicInferencer inferencer = malletTopicModel.getInferencer();
        InstanceList docVectors = getDocumentVectors();

        // Only record the n most significant topics
        List<List> orderedDistributions = inferencer.inferSortedDistributions(docVectors,
                config.getInt("smarts.inference.numIterations"), config.getInt("smarts.inference.thinning"),
                config.getInt("smarts.inference.burnInPeriod"),
                Double.parseDouble(config.getString("smarts.inference.threshold")),
                config.getInt("smarts.inference.numSignificantFeatures"));

        for (int docIndex = 0; docIndex < orderedDistributions.size(); docIndex++) {
            List docData = orderedDistributions.get(docIndex);
            String docName = (String) docData.get(0);

            double[] docTopWeights = generateTopTopicWeightVector(docIndex, orderedDistributions);
            Document doc = new Document(docName, docTopWeights);

            documents.add(doc);
            getDocuments().add(doc);
        }

        Ebean.save(this);
        Ebean.save(topics);

        // loop to save so the save hook is called
        for (Document doc : documents) {
            doc.save();
        }

        Ebean.commitTransaction();

    } finally {
        Ebean.endTransaction();
    }
}

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From source file:com.g3net.tool.StringUtils.java

/**
 * Trim leading and trailing whitespace from the given String.
 * /*from  w  ww  . j a  va2 s.c  o  m*/
 * @param str
 *            the String to check
 * @return the trimmed String
 * @see java.lang.Character#isWhitespace
 */
public static String trimWhitespace(String str) {
    if (!hasLength(str)) {
        return str;
    }
    StringBuilder buf = new StringBuilder(str);
    while (buf.length() > 0 && Character.isWhitespace(buf.charAt(0))) {
        buf.deleteCharAt(0);
    }
    while (buf.length() > 0 && Character.isWhitespace(buf.charAt(buf.length() - 1))) {
        buf.deleteCharAt(buf.length() - 1);
    }
    return buf.toString();
}

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From source file:com.g3net.tool.StringUtils.java

/**
 * str0?// ww  w .  j a  v a 2  s  .  c o  m
 * 
 * @param str
 * @param defaultValue
 * @return
 */
public static String trimWhitespace(String str, String defaultValue) {

    if (!hasLength(str)) {
        return defaultValue;
    }
    StringBuilder buf = new StringBuilder(str);
    while (buf.length() > 0 && Character.isWhitespace(buf.charAt(0))) {
        buf.deleteCharAt(0);
    }
    while (buf.length() > 0 && Character.isWhitespace(buf.charAt(buf.length() - 1))) {
        buf.deleteCharAt(buf.length() - 1);
    }
    return buf.toString();
}

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From source file:org.shredzone.commons.view.manager.ViewPattern.java

/**
 * Evaluates the given {@link EvaluationContext} and builds an URL to the appropriate
 * view.//from www.  j  a  v a2  s  .  c o m
 *
 * @param context
 *            {@link EvaluationContext} to be used
 * @param data
 *            {@link PathContext} containing all data required for building the URL
 * @return URL that was built, or {@code null} if the {@link PathContext} did not
 *         contain all necessary data for building the URL
 */
public String evaluate(EvaluationContext context, PathContext data) {
    StringBuilder sb = new StringBuilder();
    for (Expression expr : expression) {
        String value = expr.getValue(context, data, String.class);
        if (value == null) {
            // A part resolved to null, so this ViewPattern is unable
            // to build a path from the given PathData.
            return null;
        }
        sb.append(value);
    }

    // Remove ugly double slashes
    int pos;
    while ((pos = sb.indexOf("//")) >= 0) {
        sb.deleteCharAt(pos);
    }

    return sb.toString();
}

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From source file:com.appcelerator.titanium.desktop.ui.wizard.Packager.java

private String getQueryString(Map<String, String> data) throws UnsupportedEncodingException {
    StringBuilder builder = new StringBuilder();
    for (Map.Entry<String, String> entry : data.entrySet()) {
        builder.append(URLEncoder.encode(entry.getKey(), ENCODING)).append('=')
                .append(URLEncoder.encode(entry.getValue(), ENCODING)).append('&');
    }//from  www . ja va  2 s . co m
    if (builder.length() > 0) {
        builder.deleteCharAt(builder.length() - 1); // chop off trailing '&'
    }
    return builder.toString();
}

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From source file:com.haulmont.cuba.gui.ScreenHistorySupport.java

protected String makeLink(Window window) {
    Entity entity = null;/*from w  w  w  . j  av a 2s . co  m*/
    if (window.getFrame() instanceof Window.Editor)
        entity = ((Window.Editor) window.getFrame()).getItem();
    String url = configuration.getConfig(GlobalConfig.class).getWebAppUrl() + "/open?" + "screen="
            + window.getFrame().getId();
    if (entity != null) {
        String item = metadata.getSession().getClassNN(entity.getClass()).getName() + "-" + entity.getId();
        url += "&" + "item=" + item + "&" + "params=item:" + item;
    }
    Map<String, Object> params = getWindowParams(window);
    StringBuilder sb = new StringBuilder();
    if (params != null) {
        for (Map.Entry<String, Object> param : params.entrySet()) {
            Object value = param.getValue();
            if (value instanceof String /*|| value instanceof Integer || value instanceof Double*/
                    || value instanceof Boolean) {
                sb.append(",").append(param.getKey()).append(":")
                        .append(URLEncodeUtils.encodeUtf8(value.toString()));
            }
        }
    }
    if (sb.length() > 0) {
        if (entity != null) {
            url += sb.toString();
        } else {
            url += "&params=" + sb.deleteCharAt(0).toString();
        }
    }

    return url;
}

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From source file:net.sf.jabref.bst.BibtexCaseChanger.java

/**
 * Convert the given string according to the format character (title, lower,
 * up) and append the result to the stringBuffer, return the updated
 * position.//w ww .j a  va  2  s .  c o m
 *
 * @param c
 * @param start
 * @param s
 * @param sb
 * @param format
 * @return the new position
 */
private int convertAccented(char[] c, int start, String s, StringBuilder sb, FORMAT_MODE format) {
    int pos = start;
    pos += s.length();

    switch (format) {
    case TITLE_LOWERS:
    case ALL_LOWERS:
        if ("L O OE AE AA".contains(s)) {
            sb.append(s.toLowerCase());
        } else {
            sb.append(s);
        }
        break;
    case ALL_UPPERS:
        if ("l o oe ae aa".contains(s)) {
            sb.append(s.toUpperCase());
        } else if ("i j ss".contains(s)) {
            sb.deleteCharAt(sb.length() - 1); // Kill backslash
            sb.append(s.toUpperCase());
            while ((pos < c.length) && Character.isWhitespace(c[pos])) {
                pos++;
            }
        } else {
            sb.append(s);
        }
        break;
    default:
        LOGGER.info("convertAccented - Unknown format: " + format);
        break;
    }
    return pos;
}

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