Example usage for java.util Stack pop

Introduction

In this page you can find the example usage for java.util Stack pop.

Prototype

public synchronized E pop() 

Source Link

Document

Removes the object at the top of this stack and returns that object as the value of this function.

Usage

From source file:jp.terasoluna.fw.batch.util.BatchUtil.java

/**
 * ??//from ww  w.j  av a 2  s. co m
 * @param tranMap 
 * @param statMap 
 * @param log 
 */
public static void commitTransactions(Map<?, ?> tranMap, Map<String, TransactionStatus> statMap, Log log) {

    Set<Entry<String, TransactionStatus>> statSet = statMap.entrySet();

    if (statSet.isEmpty()) {
        return;
    }

    Stack<Entry<String, TransactionStatus>> stack = new Stack<Entry<String, TransactionStatus>>();
    for (Entry<String, TransactionStatus> stat : statSet) {
        stack.push(stat);
    }

    while (!stack.isEmpty()) {
        // ???
        Entry<String, TransactionStatus> statEntry = stack.pop();
        String key = statEntry.getKey();
        TransactionStatus trnStat = statEntry.getValue();
        if (trnStat == null) {
            continue;
        }

        // ???
        Object ptmObj = tranMap.get(key);
        if (ptmObj == null || !(ptmObj instanceof PlatformTransactionManager)) {
            continue;
        }
        PlatformTransactionManager ptm = (PlatformTransactionManager) ptmObj;

        if (log != null && log.isDebugEnabled()) {
            logDebug(log, LogId.DAL025038, trnStat);
        }
        // 
        ptm.commit(trnStat);
    }
}

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From source file:maltcms.ui.fileHandles.properties.tools.SceneExporter.java

private void unlock(Stack<FileLock> s) {
    FileLock fl = s.pop();
    fl.releaseLock();
}

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From source file:com.groupon.jenkins.buildtype.util.shell.ShellCommands.java

public ShellCommands addAll(final Stack<String> commands) {
    while (!commands.empty()) {
        this.commands.add(commands.pop());
    }//  w w  w.  j a v  a2s  . c om
    return this;
}

---

From source file:jp.terasoluna.fw.batch.util.BatchUtil.java

/**
 * ???//from   ww  w  .  j  a  v a2 s  .  c o m
 * @param tranMap PlatformTransactionManager
 * @param statMap TransactionStatus
 * @param log Log
 * @return ???PlatformTransactionManager?????????true??
 */
public static boolean endTransactions(Map<?, ?> tranMap, Map<String, TransactionStatus> statMap, Log log) {
    boolean isNormal = true;

    Set<Entry<String, TransactionStatus>> statSet = statMap.entrySet();

    if (statSet == null || statSet.isEmpty()) {
        return isNormal;
    }

    Stack<Entry<String, TransactionStatus>> stack = new Stack<Entry<String, TransactionStatus>>();
    for (Entry<String, TransactionStatus> stat : statSet) {
        stack.push(stat);
    }

    while (!stack.isEmpty()) {
        // ???
        Entry<String, TransactionStatus> statEntry = stack.pop();
        String key = statEntry.getKey();
        TransactionStatus trnStat = statEntry.getValue();

        if (trnStat == null) {
            continue;
        }

        // ???
        Object ptmObj = tranMap.get(key);
        if (ptmObj == null || !(ptmObj instanceof PlatformTransactionManager)) {
            continue;
        }
        PlatformTransactionManager ptm = (PlatformTransactionManager) ptmObj;

        // ??????
        if (trnStat.isCompleted()) {
            continue;
        }

        if (log != null && log.isDebugEnabled()) {
            logDebug(log, LogId.DAL025041, trnStat);
        }

        // ?
        try {
            ptm.rollback(trnStat);
        } catch (TransactionException e) {
            if (log != null && log.isErrorEnabled()) {
                logError(log, LogId.EAL025045, e, key);
            }
            isNormal = false;
            // ????????
        }

        if (log != null && log.isDebugEnabled()) {
            logDebug(log, LogId.DAL025041, trnStat);
        }
    }
    return isNormal;
}

---

From source file:com.ikanow.aleph2.harvest.logstash.utils.LogstashConfigUtils.java

@SuppressWarnings("deprecation")
public static ObjectNode parseLogstashConfig(String configFile, StringBuffer error) {

    ObjectNode tree = _mapper.createObjectNode();

    // Stage 0: remove escaped "s and 's (for the purpose of the validation):
    // (prevents tricksies with escaped "s and then #s)
    // (http://stackoverflow.com/questions/5082398/regex-to-replace-single-backslashes-excluding-those-followed-by-certain-chars)
    configFile = configFile.replaceAll("(?<!\\\\)(?:((\\\\\\\\)*)\\\\)[\"']", "X");
    //TESTED (by hand - using last 2 fields of success_2_1)

    // Stage 1: remove #s, and anything in quotes (for the purpose of the validation)
    configFile = configFile.replaceAll("(?m)(?:([\"'])(?:(?!\\1).)*\\1)", "VALUE").replaceAll("(?m)(?:#.*$)",
            "");//  w ww .  j  a  v a  2 s.c  o  m
    //TESTED (2_1 - including with a # inside the ""s - Event_Date -> Event_#Date)
    //TESTED (2_2 - various combinations of "s nested inside 's) ... yes that is a negative lookahead up there - yikes!

    // Stage 2: get a nested list of objects
    int depth = 0;
    int ifdepth = -1;
    Stack<Integer> ifStack = new Stack<Integer>();
    ObjectNode inputOrFilter = null;
    Matcher m = _navigateLogstash.matcher(configFile);
    // State:
    String currTopLevelBlockName = null;
    String currSecondLevelBlockName = null;
    ObjectNode currSecondLevelBlock = null;
    while (m.find()) {
        boolean simpleField = false;

        //DEBUG
        //System.out.println("--DEPTH="+depth + " GROUP=" + m.group() + " IFS" + Arrays.toString(ifStack.toArray()));
        //System.out.println("STATES: " + currTopLevelBlockName + " AND " + currSecondLevelBlockName);

        if (m.group().equals("}")) {

            if (ifdepth == depth) { // closing an if statement
                ifStack.pop();
                if (ifStack.isEmpty()) {
                    ifdepth = -1;
                } else {
                    ifdepth = ifStack.peek();
                }
            } //TESTED (1_1bc, 2_1)
            else { // closing a processing block

                depth--;
                if (depth < 0) { // {} Mismatch
                    error.append("{} Mismatch (})");
                    return null;
                } //TESTED (1_1abc)
            }
        } else { // new attribute!

            String typeName = m.group(1);
            if (null == typeName) { // it's an if statement or a string value
                typeName = m.group(4);
                if (null != typeName) {
                    simpleField = true;
                }
            } else if (typeName.equalsIgnoreCase("else")) { // It's an if statement..
                typeName = null;
            }
            if (null == typeName) { // if statement after all
                // Just keep track of ifs so we can ignore them
                ifStack.push(depth);
                ifdepth = depth;
                // (don't increment depth)
            } //TESTED (1_1bc, 2_1)
            else { // processing block
                String subTypeName = m.group(3);
                if (null != subTypeName) { // eg codec.multiline
                    typeName = typeName + "." + subTypeName;
                } //TESTED (2_1, 2_3)

                if (depth == 0) { // has to be one of input/output/filter)
                    String topLevelType = typeName.toLowerCase();
                    if (topLevelType.equalsIgnoreCase("input") || topLevelType.equalsIgnoreCase("filter")) {
                        if (tree.has(topLevelType)) {
                            error.append("Multiple input or filter blocks: " + topLevelType);
                            return null;
                        } //TESTED (1_3ab)
                        else {
                            inputOrFilter = _mapper.createObjectNode();
                            tree.put(topLevelType, inputOrFilter);

                            // Store state:
                            currTopLevelBlockName = topLevelType;
                        } //TESTED (*)
                    } else {
                        if (topLevelType.equalsIgnoreCase("output")) {
                            error.append(
                                    "Not allowed output blocks - these are appended automatically by the logstash harvester");
                        } else {
                            error.append("Unrecognized processing block: " + topLevelType);
                        }
                        return null;
                    } //TESTED (1_4a)
                } else if ((depth == 1) && (null != inputOrFilter)) { // processing blocks
                    String subElType = typeName.toLowerCase();

                    // Some validation: can't include a type called "filter" anywhere
                    if ((null != currTopLevelBlockName) && currTopLevelBlockName.equals("input")) {
                        if (subElType.equals("filter") || subElType.endsWith(".filter")) {
                            error.append("Not allowed sub-elements of input called 'filter' (1)");
                            return null;
                        }
                    } //TESTED (1_5b)

                    ArrayNode subElements = (ArrayNode) inputOrFilter.get(subElType);
                    if (null == subElements) {
                        subElements = _mapper.createArrayNode();
                        inputOrFilter.put(subElType, subElements);
                    }
                    ObjectNode newEl = _mapper.createObjectNode();
                    subElements.add(newEl);

                    // Store state:
                    currSecondLevelBlockName = subElType;
                    currSecondLevelBlock = newEl;
                } //TESTED (*)
                else if (depth == 2) { // attributes of processing blocks
                    // we'll just store the field names for these and do any simple validation that was too complicated for the regexes
                    String subSubElType = typeName.toLowerCase();

                    // Validation:
                    if (null != currTopLevelBlockName) {
                        // 1] sincedb path
                        if (currTopLevelBlockName.equals("input") && (null != currSecondLevelBlockName)) {
                            // (don't care what the second level block name is - no sincedb allowed)
                            if (subSubElType.equalsIgnoreCase("sincedb_path")) {
                                error.append("Not allowed sincedb_path in input.* block");
                                return null;
                            } //TESTED (1_5a)
                              // 2] no sub-(-sub etc)-elements of input called filter
                            if (subSubElType.equals("filter") || subSubElType.endsWith(".filter")) {
                                error.append("Not allowed sub-elements of input called 'filter' (2)");
                                return null;
                            } //TESTED (1_5c)
                        }
                    }

                    // Store in map:
                    if (null != currSecondLevelBlock) {
                        currSecondLevelBlock.put(subSubElType, _mapper.createObjectNode());
                    }
                }
                // (won't go any deeper than this)
                if (!simpleField) {
                    depth++;
                }
            }

        }
    }
    if (0 != depth) {
        error.append("{} Mismatch ({)");
        return null;
    } //TESTED (1_2a)

    return tree;
}

---

From source file:maltcms.ui.fileHandles.properties.tools.SceneExporter.java

private void unlockAll(Stack<FileLock> s) {
    while (!s.isEmpty()) {
        s.pop().releaseLock();
    }
}

---

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. /*from w w  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();
}

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From source file:org.apache.synapse.FaultHandler.java

public void handleFault(MessageContext synCtx) {

    boolean traceOn = synCtx.getTracingState() == SynapseConstants.TRACING_ON;
    boolean traceOrDebugOn = traceOn || log.isDebugEnabled();

    if (traceOrDebugOn) {
        traceOrDebugWarn(traceOn, "FaultHandler executing impl: " + this.getClass().getName());
    }/*from   w ww . java2  s . c  om*/

    try {
        synCtx.getServiceLog().info("FaultHandler executing impl: " + this.getClass().getName());
        onFault(synCtx);

    } catch (SynapseException e) {

        Stack faultStack = synCtx.getFaultStack();
        if (faultStack != null && !faultStack.isEmpty()) {
            ((FaultHandler) faultStack.pop()).handleFault(synCtx);
        }
    }
}

---

From source file:org.apache.synapse.FaultHandler.java

/**
 * Extract and set ERROR_MESSAGE and ERROR_DETAIL to the message context from the Exception
 * @param synCtx the message context//  ww  w  .  j  a  v  a 2 s.c  o m
 * @param e the exception encountered
 */
public void handleFault(MessageContext synCtx, Exception e) {

    boolean traceOn = synCtx.getTracingState() == SynapseConstants.TRACING_ON;
    boolean traceOrDebugOn = traceOn || log.isDebugEnabled();

    if (e != null && synCtx.getProperty(SynapseConstants.ERROR_CODE) == null) {
        synCtx.setProperty(SynapseConstants.ERROR_CODE, SynapseConstants.DEFAULT_ERROR);
        // use only the first line as the message for multiline exception messages (Axis2 has these)
        synCtx.setProperty(SynapseConstants.ERROR_MESSAGE, e.getMessage().split("\n")[0]);
        synCtx.setProperty(SynapseConstants.ERROR_DETAIL, getStackTrace(e));
        synCtx.setProperty(SynapseConstants.ERROR_EXCEPTION, e);
    }

    if (traceOrDebugOn) {
        traceOrDebugWarn(traceOn, "ERROR_CODE : " + synCtx.getProperty(SynapseConstants.ERROR_CODE));
        traceOrDebugWarn(traceOn, "ERROR_MESSAGE : " + synCtx.getProperty(SynapseConstants.ERROR_MESSAGE));
        traceOrDebugWarn(traceOn, "ERROR_DETAIL : " + synCtx.getProperty(SynapseConstants.ERROR_DETAIL));
        traceOrDebugWarn(traceOn, "ERROR_EXCEPTION : " + synCtx.getProperty(SynapseConstants.ERROR_EXCEPTION));
    }

    synCtx.getServiceLog().warn("ERROR_CODE : " + synCtx.getProperty(SynapseConstants.ERROR_CODE)
            + " ERROR_MESSAGE : " + synCtx.getProperty(SynapseConstants.ERROR_MESSAGE));

    try {
        if (traceOrDebugOn) {
            traceOrDebugWarn(traceOn, "FaultHandler : " + this);
        }
        onFault(synCtx);

    } catch (SynapseException se) {

        Stack faultStack = synCtx.getFaultStack();
        if (faultStack != null && !faultStack.isEmpty()) {
            ((FaultHandler) faultStack.pop()).handleFault(synCtx, se);
        } else {
            throw new RuntimeException(se);
        }
    }
}

---

From source file:com.amalto.core.history.UniqueIdTransformer.java

private void _addIds(org.w3c.dom.Document document, Element element, Stack<Integer> levels) {
    NamedNodeMap attributes = element.getAttributes();
    Attr id = document.createAttribute(ID_ATTRIBUTE_NAME);

    int thisElementId = levels.pop() + 1;
    StringBuilder builder;/*  ww  w  .j ava  2  s .  c om*/
    {
        builder = new StringBuilder();
        for (Integer level : levels) {
            builder.append(level);
        }
    }
    String prefix = builder.toString().isEmpty() ? StringUtils.EMPTY : builder.toString() + '-';
    id.setValue(prefix + element.getNodeName() + '-' + thisElementId);
    attributes.setNamedItem(id);

    levels.push(thisElementId);
    {
        levels.push(0);
        NodeList children = element.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            if (children.item(i).getNodeType() == Node.ELEMENT_NODE) {
                Element child = (Element) children.item(i);
                _addIds(document, child, levels);
            }
        }
        levels.pop();
    }
}

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