Example usage for org.apache.commons.lang ArrayUtils subarray

Introduction

In this page you can find the example usage for org.apache.commons.lang ArrayUtils subarray.

Prototype

public static boolean[] subarray(boolean[] array, int startIndexInclusive, int endIndexExclusive) 

Source Link

Document

Produces a new boolean array containing the elements between the start and end indices.

Usage

From source file:org.talend.commons.ui.runtime.geometry.Curve2DBezier.java

void computeSegments() {
    Point2DList pl = (Point2DList) plist;

    n = pl.size() - 1;//from ww w. j  a va 2 s. co m

    size = (int) (subdiv * n * time);

    if (size > getMaximumSegements()) {
        size = getMaximumSegements();
    }

    if (size < getMinimumSegements()) {
        size = getMinimumSegements();
    }

    tmp = new double[size + 1];
    for (int i = 0; i <= size; i++)
        tmp[i] = (double) time * i / size;

    double bt;

    int[] pointsTmp = new int[2 * (size + 1)];
    double x, y;
    int indexTStart = -1;
    int indexTEnd = -1;
    boolean firstInvisiblePoint = true;
    for (int t = 0; t <= size; t++) {
        x = 0;
        y = 0;
        for (int i = 0; i <= n; i++) {
            bt = (double) (Math.comb(n, i) * Math.pow(1 - tmp[t], n - i) * Math.pow(tmp[t], i));
            x += ((Point2D) pl.get(i)).getX() * bt;
            y += ((Point2D) pl.get(i)).getY() * bt;
        }

        if (y >= yMinVisiblePoints && y <= yMaxVisiblePoints || firstInvisiblePoint || pointsTmp.length > 4) {
            if (indexTStart == -1) {
                indexTStart = t;
            }
            pointsTmp[2 * t] = (int) java.lang.Math.round(x);
            pointsTmp[2 * t + 1] = (int) java.lang.Math.round(y);
            if (firstInvisiblePoint && y < yMinVisiblePoints && y < yMaxVisiblePoints) {
                firstInvisiblePoint = false;
            }
        } else if (indexTStart != -1) {
            indexTEnd = t;
            break;
        }

    }
    if (indexTEnd == -1 && indexTStart != -1) {
        indexTEnd = size + 1;
    }
    // System.out.println("size="+size + " indexTStart=" + indexTStart + " indexTEnd="+indexTEnd);
    if (indexTEnd == -1) {
        this.points = new int[0];
    } else {
        this.points = ArrayUtils.subarray(pointsTmp, 2 * indexTStart, 2 * indexTEnd);
        // System.out.println("pointsTmp=");
        // for (int i = pointsTmp.length - 4; i < pointsTmp.length; i++) {
        // System.out.println(pointsTmp[i]);
        // }
        //            
        //            
        // System.out.println("this.points=");
        // for (int i = points.length - 4; i < points.length; i++) {
        // System.out.println(points[i]);
        // }
    }
}

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From source file:org.talend.dataprep.transformation.service.ExportStrategy.java

/**
 * Returns the actions for the preparation with <code>preparationId</code> between <code>startStepId</code> and
 * <code>endStepId</code>.//from  www  . j  a v a  2s. c  o m
 *
 * @param preparationId The preparation id, if <code>null</code> or blank, returns <code>{actions: []}</code>
 * @param startStepId A step id that must exist in given preparation id.
 * @param endStepId A step id that must exist in given preparation id.
 * @return The actions that can be parsed by ActionParser.
 * @see org.talend.dataprep.transformation.api.action.ActionParser
 */
protected String getActions(String preparationId, String startStepId, String endStepId) {
    if (rootStep.id().equals(startStepId)) {
        return getActions(preparationId, endStepId);
    }
    String actions;
    if (StringUtils.isBlank(preparationId)) {
        actions = "{\"actions\": []}";
    } else {
        try {
            final PreparationGetActions startStepActions = applicationContext
                    .getBean(PreparationGetActions.class, preparationId, startStepId);
            final PreparationGetActions endStepActions = applicationContext.getBean(PreparationGetActions.class,
                    preparationId, endStepId);
            final StringWriter actionsAsString = new StringWriter();
            final Action[] startActions = mapper.readValue(startStepActions.execute(), Action[].class);
            final Action[] endActions = mapper.readValue(endStepActions.execute(), Action[].class);
            if (endActions.length > startActions.length) {
                final Action[] filteredActions = (Action[]) ArrayUtils.subarray(endActions, startActions.length,
                        endActions.length);
                LOGGER.debug("Reduced actions list from {} to {} action(s)", endActions.length,
                        filteredActions.length);
                mapper.writeValue(actionsAsString, filteredActions);
            } else {
                LOGGER.debug("Unable to reduce list of actions (has {})", endActions.length);
                mapper.writeValue(actionsAsString, endActions);
            }

            return "{\"actions\": " + actionsAsString + '}';
        } catch (IOException e) {
            final ExceptionContext context = ExceptionContext.build().put("id", preparationId).put("version",
                    endStepId);
            throw new TDPException(UNABLE_TO_READ_PREPARATION, e, context);
        }
    }
    return actions;
}

---

From source file:org.tinygroup.jdbctemplatedslsession.SimpleDslSession.java

private void batchProcess(int batchSize, Map<String, Object>[] params, BatchOperateCallback callback) {
    int totalSize = params.length;
    int times = totalSize % batchSize == 0 ? totalSize / batchSize : totalSize / batchSize + 1;
    int numOfEach = totalSize % times == 0 ? totalSize / times : totalSize / times + 1;
    int fromIndex = 0;

    for (int i = 0; i < times; i++) {
        int endIndex = fromIndex + numOfEach;
        if (endIndex > totalSize) {
            endIndex = totalSize;/*from   w  ww  .j  a v  a 2  s .  co  m*/
        }
        Map<String, Object>[] processParams = (Map<String, Object>[]) ArrayUtils.subarray(params, fromIndex,
                endIndex);
        fromIndex += numOfEach;
        callback.callback(processParams);
    }
}

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From source file:org.twinkql.result.PropertySetter.java

/**
 * Adjust for collection./*  www.ja v  a2 s  .c o  m*/
 *
 * @param target the target
 * @param property the property
 * @return the string
 */
private String adjustForCollection(Object target, String property) {
    if (StringUtils.countMatches(property, "[]") > 1) {
        throw new MappingException(
                "Cannot have more than one Collection Indicator ('[]') in a 'property' attribute.");
    }

    String[] parts = StringUtils.split(property, '.');

    for (int i = 0; i < parts.length; i++) {
        String part = parts[i];
        if (StringUtils.endsWith(part, "[]")) {
            String propertySoFar = StringUtils
                    .removeEnd(StringUtils.join(ArrayUtils.subarray(parts, 0, i + 1), '.'), "[]");

            Collection<?> collection = (Collection<?>) BeanUtil.getSimplePropertyForced(target, propertySoFar,
                    true);
            int index = collection.size();

            parts[i] = StringUtils.replace(part, "[]", "[" + index + "]");
        }
    }

    return StringUtils.join(parts, '.');
}

---

From source file:org.web4thejob.web.util.MediaUtil.java

public static String getMediaFormat(byte[] media) {
    int index = 0;
    for (byte b : ArrayUtils.subarray(media, 0, MEDIA_TYPE_SIGNATURE)) {
        if (b == 0)
            break;
        index += 1;// ww w .j  av  a 2  s.  c  om
    }

    if (index > 0) {
        return new String(ArrayUtils.subarray(media, 0, index)).toLowerCase();
    }

    return "";
}

---

From source file:org.web4thejob.web.util.MediaUtil.java

public static byte[] getMediaBytes(byte[] media) {
    return ArrayUtils.subarray(media, MEDIA_TYPE_SIGNATURE, media.length);
}

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From source file:org.xenmaster.pool.XMPacket.java

public void setContents(byte[] data, int length) {
    if (length < 2) {
        return;//from   w  w w  . ja  v  a2s.c  o m
    }

    // 101101011101 ~ 29/09  = birthday of initial commit
    if (!(data[0] == (byte) 0b10110101 && data[1] == (byte) 0b1101_0000)) {
        Logger.getLogger(getClass()).debug("Illegal prefix for packet");
        return;
    }

    byte flags = data[2];
    alive = (flags & 0b1) != 0;
    master = (flags & 0b10) != 0;

    contents = new String(ArrayUtils.subarray(data, 3, length));
}

---

From source file:org.xwiki.contrib.mail.internal.AbstractMailStore.java

/**
 * {@inheritDoc}/*from w  w w.ja va  2 s  .  c  o m*/
 * 
 * @see org.xwiki.contrib.mail.IMailReader#readFromStore(java.lang.String)
 */
@Override
public List<Message> read(String folder, boolean onlyUnred, int max) throws MessagingException {
    Store store = getJavamailStore();
    store.connect();
    Folder mailFolder = store.getDefaultFolder();
    if (StringUtils.isNotEmpty(folder)) {
        mailFolder = mailFolder.getFolder(folder);
    }
    mailFolder.open(Folder.READ_WRITE);
    Message[] msgsArray = mailFolder.getMessages();
    if (max > 0 && msgsArray.length > max) {
        msgsArray = (Message[]) ArrayUtils.subarray(msgsArray, 0, max);
    }
    List<Message> messages = new ArrayList<Message>(Arrays.asList(msgsArray));
    mailFolder.close(false);
    store.close();
    return messages;
}

---

From source file:org.xwiki.contrib.mail.internal.DefaultMailReader.java

/**
 * {@inheritDoc}//from   w  w w .j  a v a 2s .  c o m
 * 
 * @throws MessagingException
 * @throws
 * @throws Exception
 * @see org.xwiki.contrib.mail.IMailReader#read(java.lang.String, int, java.lang.String, java.lang.String,
 *      java.lang.String, java.lang.String, boolean, int)
 */
@Override
public List<Message> read(final String folder, final boolean onlyUnread, final int max)
        throws MessagingException {
    assert (getMailSource() != null);
    assert (getMailSource().getHostname() != null);

    store = null;
    List<Message> messages = new ArrayList<Message>();
    boolean isGmail = getMailSource().getHostname() != null
            && getMailSource().getHostname().endsWith(".gmail.com");

    logger.info("Trying to retrieve mails from server " + getMailSource().getHostname());

    this.session = createSession(getMailSource().getProtocol(), getMailSource().getAdditionalProperties(),
            isGmail, getMailSource().isAutoTrustSSLCertificates());

    // Get a Store object
    store = session.getStore();

    // Connect to the mail account
    store.connect(getMailSource().getHostname(), getMailSource().getPort(), getMailSource().getUsername(),
            getMailSource().getPassword());
    Folder fldr;
    // Specifically for GMAIL ...
    if (isGmail) {
        fldr = store.getDefaultFolder();
    }
    fldr = store.getFolder(folder);

    fldr.open(Folder.READ_WRITE);

    Message[] msgsArray;
    // Searches for mails not already read
    if (onlyUnread) {
        FlagTerm searchterms = new FlagTerm(new Flags(Flags.Flag.SEEN), false);
        msgsArray = fldr.search(searchterms);
    } else {
        msgsArray = fldr.getMessages();
    }

    if (max > 0 && msgsArray.length > max) {
        msgsArray = (Message[]) ArrayUtils.subarray(msgsArray, 0, max);
    }
    messages = new ArrayList<Message>(Arrays.asList(msgsArray));

    logger.info("Found " + messages.size() + " messages");

    // Note: we leave the Store opened to allow reading returned Messages

    return messages;
}

---

From source file:org.xwiki.platform.patchservice.impl.PositionImpl.java

/**
 * {@inheritDoc}//w ww.  ja va 2  s .co m
 */
public String getTextBeforePosition(String text) {
    String[] rows = StringUtils.splitPreserveAllTokens(text, SEPARATOR);
    if (ArrayUtils.getLength(rows) <= this.row) {
        return StringUtils.defaultString(StringUtils.join(rows, SEPARATOR)) + (this.row == 0 ? "" : "\n");
    }
    return StringUtils.join(ArrayUtils.subarray(rows, 0, this.row), SEPARATOR)
            + ((this.row > 0) ? SEPARATOR : "") + StringUtils.substring(rows[this.row], 0, this.column);
}

---

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