Example usage for java.util Vector elementAt

Introduction

In this page you can find the example usage for java.util Vector elementAt.

Prototype

public synchronized E elementAt(int index) 

Source Link

Document

Returns the component at the specified index.

Usage

From source file:org.openxdata.server.sms.FormSmsParser.java

/**
 * Gets a list of questions which have been answered.
 * // ww  w.jav  a  2  s . c  o  m
 * @param formData the form data.
 * @param ids
 * @return list of answered questions
 */
private Vector<QuestionData> getAnsweredQuestions(org.openxdata.model.FormData formData, Vector<Byte> ids) {
    Vector<QuestionData> qtns = new Vector<QuestionData>();

    for (byte i = 0; i < ids.size(); i++) {
        QuestionData questionData = formData.getQuestion(Byte.parseByte(ids.elementAt(i).toString()));
        if (questionData.isAnswered())
            qtns.add(questionData);
    }

    return qtns;
}

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From source file:org.apache.xmlrpc.applet.SimpleXmlRpcClient.java

/**
 * Generate an XML-RPC request from a method name and a parameter vector.
 *//*w w w. j a v  a2  s .com*/
void writeRequest(XmlWriter writer, String method, Vector params) throws IOException {
    writer.startElement("methodCall");
    writer.startElement("methodName");
    writer.write(method);
    writer.endElement("methodName");
    writer.startElement("params");
    int l = params.size();
    for (int i = 0; i < l; i++) {
        writer.startElement("param");
        writeObject(params.elementAt(i), writer);
        writer.endElement("param");
    }
    writer.endElement("params");
    writer.endElement("methodCall");
}

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From source file:edu.umn.cs.spatialHadoop.mapreduce.SpatialInputFormat3.java

@Override
public List<InputSplit> getSplits(JobContext job) throws IOException {
    List<InputSplit> splits = super.getSplits(job);
    Configuration jobConf = job.getConfiguration();
    if (jobConf.getInt(CombineSplits, 1) > 1) {
        long t1 = System.currentTimeMillis();
        int combine = jobConf.getInt(CombineSplits, 1);
        /*/*ww w  .  j a va2 s . c  o  m*/
         * Combine splits to reduce number of map tasks. Currently, this is done
         * using a greedy algorithm that combines splits based on how many hosts
         * they share.
         * TODO: Use a graph clustering algorithm where each vertex represents a
         * split, and each edge is weighted with number of shared hosts between
         * the two splits
         */
        Vector<Vector<FileSplit>> openSplits = new Vector<Vector<FileSplit>>();
        int maxNumberOfSplits = (int) Math.ceil((float) splits.size() / combine);
        List<InputSplit> combinedSplits = new Vector<InputSplit>();
        for (InputSplit split : splits) {
            FileSplit fsplit = (FileSplit) split;
            int maxSimilarity = -1; // Best similarity found so far
            int bestFit = -1; // Index of a random open split with max similarity
            int numMatches = 0; // Number of splits with max similarity
            for (int i = 0; i < openSplits.size(); i++) {
                Vector<FileSplit> splitList = openSplits.elementAt(i);
                int similarity = 0;
                for (FileSplit otherSplit : splitList) {
                    for (String host1 : fsplit.getLocations())
                        for (String host2 : otherSplit.getLocations())
                            if (host1.equals(host2))
                                similarity++;
                }
                if (similarity > maxSimilarity) {
                    maxSimilarity = similarity;
                    bestFit = i;
                    numMatches = 1;
                } else if (similarity == maxSimilarity) {
                    numMatches++;
                    // Replace with a probability () for a reservoir sample
                    double random = Math.random();
                    if (random < (double) 1 / numMatches) {
                        // Replace the element in the reservoir
                        bestFit = i;
                    }
                }
            }
            if (maxSimilarity > 0 || (openSplits.size() + combinedSplits.size()) >= maxNumberOfSplits) {
                // Good fit || cannot create more open splits,
                // add it to an existing open split.
                Vector<FileSplit> bestList = openSplits.elementAt(bestFit);
                bestList.add(fsplit);
                if (bestList.size() > combine) {
                    // Reached threshold for this list. Add it to combined splits
                    combinedSplits.add(FileSplitUtil.combineFileSplits(bestList, 0, bestList.size()));
                    // Remove it from open splits
                    openSplits.remove(bestFit);
                }
            } else {
                // Bad fit && can add a new split
                // Create a new open split just for this one
                Vector<FileSplit> newOpenSplit = new Vector<FileSplit>();
                newOpenSplit.add(fsplit);
                openSplits.addElement(newOpenSplit);
            }
        }

        // Add all remaining open splits to the list of combined splits
        for (Vector<FileSplit> openSplit : openSplits) {
            combinedSplits.add(FileSplitUtil.combineFileSplits(openSplit, 0, openSplit.size()));
        }

        String msg = String.format("Combined %d splits into %d combined splits", splits.size(),
                combinedSplits.size());
        splits.clear();
        splits.addAll(combinedSplits);
        long t2 = System.currentTimeMillis();
        LOG.info(msg + " in " + ((t2 - t1) / 1000.0) + " seconds");
    }
    return splits;
}

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From source file:Animator.java

/**
 * Fetch the images named in the argument, updating maxWidth and maxHeight
 * as we go. Is restartable./* w ww. j a  v  a 2 s. c o m*/
 * 
 * @param images
 *            a Vector of URLs
 * @return true if all went well, false otherwise.
 */
boolean fetchImages(Vector images) {
    int i;
    int size = images.size();
    for (i = 0; i < size; i++) {
        Object o = images.elementAt(i);
        if (o instanceof URL) {
            URL url = (URL) o;
            tellLoadingMsg(url, imageLabel);
            Image im = getImage(url);
            tracker.addImage(im, ANIMATION_ID);
            images.setElementAt(im, i);
        }
    }

    try {
        tracker.waitForID(ANIMATION_ID);
    } catch (InterruptedException e) {
    }
    if (tracker.isErrorID(ANIMATION_ID)) {
        return false;
    }

    for (i = 0; i < size; i++) {
        updateMaxDims(getImageDimensions((Image) images.elementAt(i)));
    }

    return true;
}

---

From source file:CSVReader.java

public String[] getLine() {
    Vector lineArray = new Vector();
    String token = null;/* w ww  .  j  a va  2 s  . co  m*/
    String returnArray[] = null;

    // reading values from line until null comes

    try {
        while (lineArray.size() == 0) {
            while ((token = get()) != null) {
                lineArray.add(token);
            } // end of while
        } // end of while
    } catch (EOFException e) {
        return null;
    } catch (IOException e) {
    }

    returnArray = new String[lineArray.size()];

    for (int ii = 0; ii < lineArray.size(); ii++) {
        returnArray[ii] = lineArray.elementAt(ii).toString();
    } // end of for

    return returnArray;
}

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From source file:com.naryx.tagfusion.cfm.xml.ws.javaplatform.DynamicWebServiceStubGenerator.java

private Service getWSDLService(Parser wsdlParser) throws cfmRunTimeException {
    SymTabEntry symTabEntry = null;/*from   ww  w .  ja va2 s. c om*/
    Map.Entry entry = null;
    Vector v = null;

    // Iterate through all the entries in the WSDL until we
    // find the first service entry. Assume it's that one.
    Iterator iterator = wsdlParser.getSymbolTable().getHashMap().entrySet().iterator();
    while (iterator.hasNext()) {
        entry = (Map.Entry) iterator.next();
        v = (Vector) entry.getValue();
        for (int i = 0; i < v.size(); ++i) {
            if (ServiceEntry.class.isInstance(v.elementAt(i))) {
                symTabEntry = (SymTabEntry) v.elementAt(i);
                break;
            }
        }
    }

    if (symTabEntry == null)
        throw new cfmRunTimeException(catchDataFactory.generalException("errorCode.runtimeError",
                "Invalid web service operation. Cannot locate service entry in WSDL"));

    // Return the service
    return ((ServiceEntry) symTabEntry).getService();
}

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From source file:com.verisign.epp.codec.gen.EPPUtil.java

/**
 * Decode a <code>List</code> of <code>EPPCodecComponent</code>'s, by XML
 * namespace and tag name, from an XML Element. The children elements of
 * <code>aElement</code> will be searched for the specified <code>aNS</code>
 * namespace URI and the specified <code>aTagName</code>. Each XML element
 * found will result in the instantiation of <code>aClass</code>, which will
 * decode the associated XML element and added to the returned
 * <code>List</code>./*from  ww w .  ja  va 2s  . c  om*/
 * 
 * @param aElement
 *            XML Element to scan. For example, the element could be
 *            &ltdomain:add&gt
 * @param aNS
 *            XML namespace of the elements. For example, for domain element
 *            this is "urn:iana:xmlns:domain".
 * @param aTagName
 *            Tag name of the element including an optional namespace
 *            prefix. For example, the tag name for the contact elements of
 *            &gtdomain:add&gt is "domain:contact".
 * @param aClass
 *            Class to instantiate for each found XML element. This must be
 *            a class that implements <code>EPPCodecComponent</code>
 * @return <code>List</code> of <code>EPPCodecComponent</code> elements
 *         representing the found XML elements.
 * @exception EPPDecodeException
 *                Error decoding <code>aElement</code>.
 */
public static List decodeCompList(Element aElement, String aNS, String aTagName, Class aClass)
        throws EPPDecodeException {
    List retVal = new ArrayList();

    try {
        Vector theChildren = EPPUtil.getElementsByTagNameNS(aElement, aNS, aTagName);

        // For each element
        for (int i = 0; i < theChildren.size(); i++) {
            EPPCodecComponent currComp = (EPPCodecComponent) aClass.newInstance();

            currComp.decode((Element) theChildren.elementAt(i));

            retVal.add(currComp);
        }

        // end for each element
    } catch (IllegalAccessException e) {
        throw new EPPDecodeException("EPPUtil.decodeCompList(), IllegalAccessException: " + e);
    } catch (InstantiationException e) {
        throw new EPPDecodeException("EPPUtil.decodeCompList(), InstantiationException: " + e);
    }

    return retVal;
}

---

From source file:com.verisign.epp.codec.gen.EPPUtil.java

/**
 * Decode a <code>Vector</code> of <code>EPPCodecComponent</code>'s, by XML
 * namespace and tag name, from an XML Element. The children elements of
 * <code>aElement</code> will be searched for the specified <code>aNS</code>
 * namespace URI and the specified <code>aTagName</code>. Each XML element
 * found will result in the instantiation of <code>aClass</code>, which will
 * decode the associated XML element and added to the returned
 * <code>Vector</code>.//from w w  w. j a v a2 s.com
 * 
 * @param aElement
 *            XML Element to scan. For example, the element could be
 *            &ltdomain:add&gt
 * @param aNS
 *            XML namespace of the elements. For example, for domain element
 *            this is "urn:iana:xmlns:domain".
 * @param aTagName
 *            Tag name of the element including an optional namespace
 *            prefix. For example, the tag name for the contact elements of
 *            &gtdomain:add&gt is "domain:contact".
 * @param aClass
 *            Class to instantiate for each found XML element. This must be
 *            a class that implements <code>EPPCodecComponent</code>
 * @return <code>Vector</code> of <code>EPPCodecComponent</code> elements
 *         representing the found XML elements.
 * @exception EPPDecodeException
 *                Error decoding <code>aElement</code>.
 */
public static Vector decodeCompVector(Element aElement, String aNS, String aTagName, Class aClass)
        throws EPPDecodeException {
    Vector retVal = new Vector();

    try {
        Vector theChildren = EPPUtil.getElementsByTagNameNS(aElement, aNS, aTagName);

        // For each element
        for (int i = 0; i < theChildren.size(); i++) {
            EPPCodecComponent currComp = (EPPCodecComponent) aClass.newInstance();

            currComp.decode((Element) theChildren.elementAt(i));

            retVal.addElement(currComp);
        }

        // end for each element
    } catch (IllegalAccessException e) {
        throw new EPPDecodeException("EPPUtil.decodeCompVector(), IllegalAccessException: " + e);
    } catch (InstantiationException e) {
        throw new EPPDecodeException("EPPUtil.decodeCompVector(), InstantiationException: " + e);
    }

    return retVal;
}

---

From source file:com.verisign.epp.codec.gen.EPPUtil.java

/**
 * compares two <code>Vector</code> instances. The Java 1.1
 * <code>Vector</code> class does not implement the <code>equals</code>
 * methods, so <code>equalVectors</code> was written to implement
 * <code>equals</code> of two <code>Vectors</code> (aV1 and aV2). This
 * method is not need for Java 2./*from  ww w  . j a v  a  2  s. co m*/
 * 
 * @param aV1
 *            First Vector instance to compare.
 * @param aV2
 *            Second Vector instance to compare.
 * @return <code>true</code> if Vector's are equal; <code>false</code>
 *         otherwise.
 */
public static boolean equalVectors(Vector aV1, Vector aV2) {
    if ((aV1 == null) && (aV2 == null)) {
        return true;
    }

    else if ((aV1 != null) && (aV2 != null)) {
        if (aV1.size() != aV2.size()) {
            return false;
        }

        for (int i = 0; i < aV1.size(); i++) {
            Object elm1 = aV1.elementAt(i);
            Object elm2 = aV2.elementAt(i);

            if (!((elm1 == null) ? (elm2 == null) : elm1.equals(elm2))) {
                return false;
            }
        }

        return true;
    } else {
        return false;
    }
}

---

From source file:com.toughra.mlearnplayer.idevices.MCQIdevice.java

/** 
 * Constructor - setup the for, dig through the questions and answers
 * that are there.//from  w  w  w.  j  a va 2  s . c om
 * 
 * @param host the midlet host
 * @param data the XML data to construct with
 */
public MCQIdevice(MLearnPlayerMidlet host, XmlNode data) {
    super(host);

    questions = new Vector();
    answers = new Vector();

    Vector dataQuestions = data.findChildrenByTagName("question", true);
    hadCorrect = MLearnUtils.makeBooleanArray(false, dataQuestions.size());
    qAttempted = MLearnUtils.makeBooleanArray(false, dataQuestions.size());

    fbackAreas = new HTMLComponent[dataQuestions.size()];

    for (int i = 0; i < dataQuestions.size(); i++) {
        XmlNode currentNode = (XmlNode) dataQuestions.elementAt(i);
        if (i == 0 && currentNode.hasAttribute("audio")) {
            audioURL = currentNode.getAttribute("audio");
        }

        //CDATA text section will always be the first child after question
        String questionTextHTML = currentNode.getTextChildContent(0);
        XmlNode tinCanNode = currentNode.findFirstChildByTagName("tincan", true);
        String tinCanId = null;
        String tinCanDef = null;
        JSONObject tcDefObj = null;

        if (tinCanNode != null) {
            tinCanDef = currentNode.findFirstChildByTagName("activitydef", true).getTextChildContent(0);
            tinCanId = tinCanNode.getAttribute("id");
        } else {
            tinCanId = MLearnUtils.TINCAN_PREFIX + "/" + MLearnPlayerMidlet.getInstance().getTinCanPage()
                    + "/mcq" + i;
            tcDefObj = new JSONObject();
            try {
                String qText = MLearnUtils.removeHTMLTags(questionTextHTML);
                String qName = "MCQ: " + i + ": " + MLearnPlayerMidlet.getInstance().getTinCanPage();
                tcDefObj.put("name", UMTinCan.makeLangMapVal("en-US", qName));
                tcDefObj.put("description", UMTinCan.makeLangMapVal("en-US", qName + " " + qText));
                tcDefObj.put("type", "http://adlnet.gov/expapi/activities/cmi.interaction");
                tcDefObj.put("interactionType", "choice");

            } catch (JSONException e) {

            }
        }

        QuestionItem thisItem = new QuestionItem(questionTextHTML, tinCanId, tinCanDef);
        questions.addElement(thisItem);

        Vector questionAnswers = currentNode.findChildrenByTagName("answer", true);
        Vector answerObjVector = new Vector();
        String[][] ansInfo = new String[questionAnswers.size()][2];
        int correctIndex = 0;
        for (int j = 0; j < questionAnswers.size(); j++) {
            XmlNode currentAnswer = (XmlNode) questionAnswers.elementAt(j);
            String answerText = currentAnswer.getTextChildContent(0);
            XmlNode feedbackNode = (XmlNode) currentAnswer.findChildrenByTagName("feedback", true).elementAt(0);
            String feedback = feedbackNode.getTextChildContent(0);
            String responseId = currentAnswer.getAttribute("id");
            if (responseId == null) {
                responseId = "opt" + j;
            }

            boolean thisAnswerCorrect = currentAnswer.getAttribute("iscorrect").equals("true");
            Answer answer = new Answer(answerText, thisAnswerCorrect, new Integer(i), feedback, j, responseId);
            answer.questionId = i;
            if (thisAnswerCorrect) {
                correctIndex = j;
            }

            if (feedbackNode.hasAttribute("audio")) {
                answer.fbAudio = feedbackNode.getAttribute("audio");
            }

            answerObjVector.addElement(answer);
            ansInfo[j][0] = "opt" + j;
            ansInfo[j][1] = MLearnUtils.removeHTMLTags(answerText).trim();
            totalAnswers++;
        }

        //complete definition if applicable
        if (tcDefObj != null) {
            JSONArray correctArr = new JSONArray();
            correctArr.put(ansInfo[correctIndex][0]);
            try {
                tcDefObj.put("correctResponsesPattern", correctArr);
                JSONArray choicesArr = new JSONArray();
                for (int j = 0; j < questionAnswers.size(); j++) {
                    JSONObject thisAnsObj = new JSONObject();
                    thisAnsObj.put("id", ansInfo[j][0]);
                    thisAnsObj.put("description", UMTinCan.makeLangMapVal("en-US", ansInfo[j][1]));
                    choicesArr.put(thisAnsObj);
                }
                tcDefObj.put("choices", choicesArr);

                String jsonStr = tcDefObj.toString();
                thisItem.tinCanDefinition = jsonStr;
                int x = 0;
            } catch (JSONException e) {

            }
        }

        answers.addElement(answerObjVector);
        questionAnswers = null;
        totalQuestions++;
    }
    int done = 0;
}

---

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