Example usage for java.util Stack push

Introduction

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

Prototype

public E push(E item) 

Source Link

Document

Pushes an item onto the top of this stack.

Usage

From source file:com.ephesoft.dcma.util.FileUtils.java

/**
 * List the contents of directory.//from w ww .  j  a  v a2s . c  om
 * @param directory {@link File}
 * @param includingDirectory boolean
 * @return List<String> 
 * @throws IOException in case of error
 */
public static List<String> listDirectory(File directory, boolean includingDirectory) throws IOException {

    Stack<String> stack = new Stack<String>();
    List<String> list = new ArrayList<String>();

    // If it's a file, just return itself
    if (directory.isFile()) {
        if (directory.canRead()) {
            list.add(directory.getName());
        }
    } else {

        // Traverse the directory in width-first manner, no-recursively
        String root = directory.getParent();
        stack.push(directory.getName());
        while (!stack.empty()) {
            String current = (String) stack.pop();
            File curDir = new File(root, current);
            String[] fileList = curDir.list();
            if (fileList != null) {
                for (String entry : fileList) {
                    File file = new File(curDir, entry);
                    if (file.isFile()) {
                        if (file.canRead()) {
                            list.add(current + File.separator + entry);
                        } else {
                            throw new IOException("Can't read file: " + file.getPath());
                        }
                    } else if (file.isDirectory()) {
                        if (includingDirectory) {
                            list.add(current + File.separator + entry);
                        }
                        stack.push(current + File.separator + file.getName());
                    } else {
                        throw new IOException("Unknown entry: " + file.getPath());
                    }
                }
            }
        }
    }
    return list;
}

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From source file:org.apache.sling.resourceresolver.impl.CommonResourceResolverFactoryImpl.java

/**
 * @see org.apache.sling.api.resource.ResourceResolverFactory#getResourceResolver(java.util.Map)
 *//* w  w  w.ja  v  a2s .  com*/
@Override
public ResourceResolver getResourceResolver(final Map<String, Object> passedAuthenticationInfo)
        throws LoginException {
    if (!isActive.get()) {
        throw new LoginException("ResourceResolverFactory is deactivated.");
    }

    // create a copy of the passed authentication info as we modify the map
    final Map<String, Object> authenticationInfo = new HashMap<String, Object>();
    if (passedAuthenticationInfo != null) {
        authenticationInfo.putAll(passedAuthenticationInfo);
        // make sure there is no leaking of service bundle and info props
        authenticationInfo.remove(ResourceProvider.AUTH_SERVICE_BUNDLE);
        authenticationInfo.remove(SUBSERVICE);
    }

    final ResourceResolver result = getResourceResolverInternal(authenticationInfo, false);
    Stack<WeakReference<ResourceResolver>> resolverStack = resolverStackHolder.get();
    if (resolverStack == null) {
        resolverStack = new Stack<WeakReference<ResourceResolver>>();
        resolverStackHolder.set(resolverStack);
    }
    resolverStack.push(new WeakReference<ResourceResolver>(result));
    return result;
}

---

From source file:com._4dconcept.springframework.data.marklogic.core.query.QueryBuilder.java

@Nullable
private Criteria buildCriteria(Object bean, MarklogicPersistentEntity<?> entity) {
    Stack<Criteria> stack = new Stack<>();
    PersistentPropertyAccessor propertyAccessor = entity.getPropertyAccessor(bean);

    entity.doWithProperties((PropertyHandler<MarklogicPersistentProperty>) property -> {
        Object value = propertyAccessor.getProperty(property);
        if (hasContent(value)) {
            if (stack.empty()) {
                stack.push(buildCriteria(property, value));
            } else {
                Criteria criteria = stack.peek();
                if (criteria.getOperator() == null) {
                    Criteria andCriteria = new Criteria(Criteria.Operator.and,
                            new ArrayList<>(Arrays.asList(criteria, buildCriteria(property, value))));
                    stack.pop();//from w  ww  .j a va  2 s  .com
                    stack.push(andCriteria);
                } else {
                    Criteria subCriteria = buildCriteria(property, value);
                    if (subCriteria != null) {
                        criteria.add(subCriteria);
                    }
                }
            }
        }
    });

    return stack.empty() ? null : stack.peek();
}

---

From source file:com.usefullc.platform.common.filter.WebCommonFilter.java

@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    HttpServletRequest req = (HttpServletRequest) request;
    HttpServletResponse res = (HttpServletResponse) response;
    // String url = req.getRequestURL().toString();
    String url = req.getRequestURI();
    if (canExcute) {

        Stack<ActionHandlerInterceptor> actionStack = new Stack<ActionHandlerInterceptor>();
        ActionHandler actionHandler = new ActionHandler(req, res);
        for (ActionHandlerInterceptor interceptor : interceptorList) {
            String urlPattern = interceptor.getUrlPattern();
            // ?url
            Boolean state = PatternMatchUtils.simpleMatch(urlPattern, url);
            if (!state) {
                continue;
            }//from  ww  w . j  a  va2  s  . c  om
            interceptor.beforeHandler(actionHandler);

            // 
            actionStack.push(interceptor);

        }
        boolean actionState = false;
        try {
            chain.doFilter(request, response);
            actionState = true;
        } catch (Exception e) {
            StringWriter sw = new StringWriter();
            PrintWriter print = new PrintWriter(sw);
            e.printStackTrace(print);
            actionHandler.setErrMsg(sw.toString());
        } finally {
            // 
            actionHandler.setState(actionState);
            while (!actionStack.isEmpty()) {
                ActionHandlerInterceptor interceptor = actionStack.pop();
                interceptor.afterHandler(actionHandler);
            }

        }

    } else {
        chain.doFilter(request, response);
    }

}

---

From source file:com.intel.ssg.dcst.panthera.parse.sql.SqlParseDriver.java

/**
 * A pre-parse stage to convert the characters in query command (exclude
 * those in quotes) to lower-case, as our SQL Parser does not recognize
 * upper-case keywords. It does no harm to Hive as Hive is case-insensitive.
 *
 * @param command/* w  ww.  j a va2  s . c  o  m*/
 *          input query command
 * @return the command with all chars turned to lower case except
 *         those in quotes
 */
protected String preparse(String command) {
    Character tag = '\'';
    Stack<Character> singleQuotes = new Stack<Character>();
    Stack<Character> doubleQuotes = new Stack<Character>();
    char[] chars = filterDot(command).toCharArray();
    for (int i = 0; i < chars.length; i++) {
        char c = chars[i];
        if (c == '\'' && (i > 0 ? chars[i - 1] != '\\' : true)) {
            singleQuotes.push(tag);
        } else if (c == '\"' && (i > 0 ? chars[i - 1] != '\\' : true)) {
            doubleQuotes.push(tag);
        }
        if (singleQuotes.size() % 2 == 0 && doubleQuotes.size() % 2 == 0) {
            // if not inside quotes, convert to lower case
            chars[i] = Character.toLowerCase(c);
        }
    }
    return new String(chars);
}

---

From source file:org.apache.hadoop.util.ConfTest.java

private static List<NodeInfo> parseConf(InputStream in) throws XMLStreamException {
    QName configuration = new QName("configuration");
    QName property = new QName("property");

    List<NodeInfo> nodes = new ArrayList<NodeInfo>();
    Stack<NodeInfo> parsed = new Stack<NodeInfo>();

    XMLInputFactory factory = XMLInputFactory.newInstance();
    XMLEventReader reader = factory.createXMLEventReader(in);

    while (reader.hasNext()) {
        XMLEvent event = reader.nextEvent();
        if (event.isStartElement()) {
            StartElement currentElement = event.asStartElement();
            NodeInfo currentNode = new NodeInfo(currentElement);
            if (parsed.isEmpty()) {
                if (!currentElement.getName().equals(configuration)) {
                    return null;
                }/*from  www .  ja  v  a 2 s  .  com*/
            } else {
                NodeInfo parentNode = parsed.peek();
                QName parentName = parentNode.getStartElement().getName();
                if (parentName.equals(configuration)
                        && currentNode.getStartElement().getName().equals(property)) {
                    @SuppressWarnings("unchecked")
                    Iterator<Attribute> it = currentElement.getAttributes();
                    while (it.hasNext()) {
                        currentNode.addAttribute(it.next());
                    }
                } else if (parentName.equals(property)) {
                    parentNode.addElement(currentElement);
                }
            }
            parsed.push(currentNode);
        } else if (event.isEndElement()) {
            NodeInfo node = parsed.pop();
            if (parsed.size() == 1) {
                nodes.add(node);
            }
        } else if (event.isCharacters()) {
            if (2 < parsed.size()) {
                NodeInfo parentNode = parsed.pop();
                StartElement parentElement = parentNode.getStartElement();
                NodeInfo grandparentNode = parsed.peek();
                if (grandparentNode.getElement(parentElement) == null) {
                    grandparentNode.setElement(parentElement, event.asCharacters());
                }
                parsed.push(parentNode);
            }
        }
    }

    return nodes;
}

---

From source file:com.mirth.connect.connectors.file.FileReceiver.java

@Override
protected void poll() {
    eventController.dispatchEvent(new ConnectionStatusEvent(getChannelId(), getMetaDataId(), getSourceName(),
            ConnectionStatusEventType.POLLING));
    try {//from   w w w .ja v a  2 s.  c  o m
        String channelId = getChannelId();
        String channelName = getChannel().getName();
        URI uri = fileConnector
                .getEndpointURI(replacer.replaceValues(connectorProperties.getHost(), channelId, channelName));
        String readDir = fileConnector.getPathPart(uri);

        String username = replacer.replaceValues(connectorProperties.getUsername(), channelId, channelName);
        String password = replacer.replaceValues(connectorProperties.getPassword(), channelId, channelName);
        filenamePattern = replacer.replaceValues(connectorProperties.getFileFilter(), channelId, channelName);

        SftpSchemeProperties sftpProperties = null;
        SchemeProperties schemeProperties = connectorProperties.getSchemeProperties();
        if (schemeProperties instanceof SftpSchemeProperties) {
            sftpProperties = (SftpSchemeProperties) schemeProperties.clone();

            sftpProperties
                    .setKeyFile(replacer.replaceValues(sftpProperties.getKeyFile(), channelId, channelName));
            sftpProperties.setPassPhrase(
                    replacer.replaceValues(sftpProperties.getPassPhrase(), channelId, channelName));
            sftpProperties.setKnownHostsFile(
                    replacer.replaceValues(sftpProperties.getKnownHostsFile(), channelId, channelName));
        }

        fileSystemOptions = new FileSystemConnectionOptions(uri, username, password, sftpProperties);

        if (connectorProperties.isDirectoryRecursion()) {
            Set<String> visitedDirectories = new HashSet<String>();
            Stack<String> directoryStack = new Stack<String>();
            directoryStack.push(readDir);

            FileInfo[] files;

            while ((files = listFilesRecursively(visitedDirectories, directoryStack)) != null) {
                processFiles(files);
            }
        } else {
            processFiles(listFiles(readDir));
        }
    } catch (Throwable t) {
        eventController.dispatchEvent(new ErrorEvent(getChannelId(), getMetaDataId(), null,
                ErrorEventType.SOURCE_CONNECTOR, getSourceName(), connectorProperties.getName(), null, t));
        logger.error("Error polling in channel: " + getChannelId(), t);
    } finally {
        eventController.dispatchEvent(new ConnectionStatusEvent(getChannelId(), getMetaDataId(),
                getSourceName(), ConnectionStatusEventType.IDLE));
    }
}

---

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 a v a  2  s. com*/
    {
        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();
    }
}

---

From source file:EditorPaneTest.java

public EditorPaneFrame() {
    setTitle("EditorPaneTest");
    setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);

    final Stack<String> urlStack = new Stack<String>();
    final JEditorPane editorPane = new JEditorPane();
    final JTextField url = new JTextField(30);

    // set up hyperlink listener

    editorPane.setEditable(false);/*w ww. j av  a  2s  .  c o  m*/
    editorPane.addHyperlinkListener(new HyperlinkListener() {
        public void hyperlinkUpdate(HyperlinkEvent event) {
            if (event.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
                try {
                    // remember URL for back button
                    urlStack.push(event.getURL().toString());
                    // show URL in text field
                    url.setText(event.getURL().toString());
                    editorPane.setPage(event.getURL());
                } catch (IOException e) {
                    editorPane.setText("Exception: " + e);
                }
            }
        }
    });

    // set up checkbox for toggling edit mode

    final JCheckBox editable = new JCheckBox();
    editable.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            editorPane.setEditable(editable.isSelected());
        }
    });

    // set up load button for loading URL

    ActionListener listener = new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            try {
                // remember URL for back button
                urlStack.push(url.getText());
                editorPane.setPage(url.getText());
            } catch (IOException e) {
                editorPane.setText("Exception: " + e);
            }
        }
    };

    JButton loadButton = new JButton("Load");
    loadButton.addActionListener(listener);
    url.addActionListener(listener);

    // set up back button and button action

    JButton backButton = new JButton("Back");
    backButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            if (urlStack.size() <= 1)
                return;
            try {
                // get URL from back button
                urlStack.pop();
                // show URL in text field
                String urlString = urlStack.peek();
                url.setText(urlString);
                editorPane.setPage(urlString);
            } catch (IOException e) {
                editorPane.setText("Exception: " + e);
            }
        }
    });

    add(new JScrollPane(editorPane), BorderLayout.CENTER);

    // put all control components in a panel

    JPanel panel = new JPanel();
    panel.add(new JLabel("URL"));
    panel.add(url);
    panel.add(loadButton);
    panel.add(backButton);
    panel.add(new JLabel("Editable"));
    panel.add(editable);

    add(panel, BorderLayout.SOUTH);
}

---

From source file:com.bstek.dorado.view.output.DataOutputter.java

@SuppressWarnings("rawtypes")
private void internalOutputData(Object object, OutputContext context) throws Exception {
    JsonBuilder json = context.getJsonBuilder();
    Stack<Object> dataObjectStack = context.getDataObjectStack();
    if (dataObjectStack.contains(object)) {
        Exception e = new IllegalArgumentException(
                resourceManager.getString("dorado.common/circuitReferenceError", object.toString()));
        logger.error(e, e);//from ww w.  j  av  a2 s .c  o  m
        json.value(null);
        return;
    }

    dataObjectStack.push(object);
    try {
        if (object instanceof Collection<?>) {
            outputDataTypeIfNecessary(context, object);

            if (object instanceof PagingList) {
                outputPagingList((PagingList) object, context);
            } else {
                json.array();
                for (Object e : (Collection<?>) object) {
                    outputData(e, context);
                }
                json.endArray();
            }
        } else if (object instanceof Page<?>) {
            outputPage((Page<?>) object, context);
        } else {
            outputEntity(object, context);
        }
    } finally {
        dataObjectStack.pop();
    }
}

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