Example usage for java.util Stack peek

Introduction

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

Prototype

public synchronized E peek() 

Source Link

Document

Looks at the object at the top of this stack without removing it from the stack.

Usage

From source file:com.jsmartframework.web.tag.LinkTagHandler.java

@SuppressWarnings("unchecked")
private StringBuilder getFunction(String url) {
    Ajax jsonAjax = new Ajax();
    jsonAjax.setId(id);//w w  w .j  a  va 2s  .c o  m
    jsonAjax.setTimeout(timeout);
    jsonAjax.setValidate(!skipValidation);
    jsonAjax.setForm((String) getTagValue(onForm));
    jsonAjax.setTag("link");

    // Params must be considered regardless the action for rest purpose
    for (String name : params.keySet()) {
        jsonAjax.addParam(new Param(name, params.get(name)));
    }

    if (action != null) {
        jsonAjax.setMethod("post");
        jsonAjax.setAction(getTagName(J_SBMT, action));

        if (!args.isEmpty()) {
            String argName = getTagName(J_SBMT_ARGS, action);
            for (Object arg : args.keySet()) {
                jsonAjax.addArg(new Param(argName, arg, args.get(arg)));
            }
        }

        if (update == null && onError == null && onSuccess == null && onComplete == null) {
            jsonAjax.setUrl(url);
        }
    } else if (update != null) {
        jsonAjax.setMethod("get");
    }
    if (update != null) {
        jsonAjax.setUpdate((String) getTagValue(update.trim()));
    }
    if (beforeSend != null) {
        jsonAjax.setBefore((String) getTagValue(beforeSend.trim()));
    }
    if (onError != null) {
        jsonAjax.setError((String) getTagValue(onError.trim()));
    }
    if (onSuccess != null) {
        jsonAjax.setSuccess((String) getTagValue(onSuccess.trim()));
    }
    if (onComplete != null) {
        jsonAjax.setComplete((String) getTagValue(onComplete.trim()));
    }

    // It means that the ajax is inside some iterator tag, so the
    // ajax actions will be set by iterator tag and the event bind
    // will use the id as tag attribute
    Stack<RefAction> actionStack = (Stack<RefAction>) getMappedValue(DELEGATE_TAG_PARENT);
    if (actionStack != null) {
        actionStack.peek().addRef(id, Event.CLICK.name(), jsonAjax);

    } else {
        StringBuilder builder = new StringBuilder();
        builder.append(JSMART_AJAX.format(getJsonValue(jsonAjax)));
        return getBindFunction(id, Event.CLICK.name(), builder);
    }

    return null;
}

---

From source file:uk.ac.cam.caret.sakai.rwiki.component.model.impl.RWikiEntityImpl.java

/**
 * {@inheritDoc}/*from  w  ww .jav  a2 s.co m*/
 */
public Element toXml(Document doc, Stack stack) {
    if (rwo == null)
        throw new RuntimeException(" Cant serialise containers at the moment ");
    Element wikipage = doc.createElement(SchemaNames.EL_WIKIPAGE);

    if (stack.isEmpty()) {
        doc.appendChild(wikipage);
    } else {
        ((Element) stack.peek()).appendChild(wikipage);
    }

    stack.push(wikipage);

    wikipage.setAttribute(SchemaNames.ATTR_ID, rwo.getId());
    wikipage.setAttribute(SchemaNames.ATTR_PAGE_NAME, rwo.getName());
    wikipage.setAttribute(SchemaNames.ATTR_REVISION, String.valueOf(rwo.getRevision()));
    wikipage.setAttribute(SchemaNames.ATTR_USER, rwo.getUser());
    wikipage.setAttribute(SchemaNames.ATTR_OWNER, rwo.getOwner());

    // I would like to be able to render this, but we cant... because its a
    // pojo !
    getProperties().toXml(doc, stack);
    Element content = doc.createElement(SchemaNames.EL_WIKICONTENT);
    stack.push(content);
    wikipage.appendChild(content);
    content.setAttribute("enc", "BASE64");
    try {
        String b64Content = Base64.encode(rwo.getContent().getBytes("UTF-8"));
        CDATASection t = doc.createCDATASection(b64Content);
        stack.push(t);
        content.appendChild(t);
        stack.pop();
    } catch (UnsupportedEncodingException usex) {
        // if UTF-8 isnt available, we are in big trouble !
        throw new IllegalStateException("Cannot find Encoding UTF-8");
    }
    stack.pop();

    stack.pop();

    return wikipage;
}

---

From source file:de.codesourcery.jasm16.compiler.Main.java

private int run(String[] args) throws Exception {
    final List<ICompilationUnit> units = new ArrayList<ICompilationUnit>();

    final Stack<String> arguments = new Stack<String>();
    for (String arg : args) {
        arguments.push(arg);// w w  w.  j a va2 s  .c om
    }
    Collections.reverse(arguments);

    while (!arguments.isEmpty()) {
        final String arg = arguments.peek();
        if (arg.startsWith("-") || arg.startsWith("--")) {
            try {
                handleCommandlineOption(arg, arguments);
            } catch (NoSuchElementException e) {
                printError("Invalid command line, option " + arg + " lacks argument.");
                return 1;
            }
        } else {
            units.add(createCompilationUnit(arguments.pop()));
        }
    }

    if (verboseOutput) {
        printVersionInfo();
    }

    if (units.isEmpty()) {
        printError("No input files.");
        return 1;
    }

    setupCompiler(units);

    final ICompilationListener listener;
    if (printDebugStats || verboseOutput) {
        listener = new DebugCompilationListener(printDebugStats);
    } else {
        listener = new CompilationListener();
    }

    if (printSourceCode) {
        compiler.insertCompilerPhaseAfter(new CompilerPhase("format-code") {
            @Override
            protected void run(ICompilationUnit unit, ICompilationContext context) throws IOException {
                if (unit.getAST() != null) {
                    ASTUtils.visitInOrder(unit.getAST(), new FormattingVisitor(context));
                }
            };

        }, ICompilerPhase.PHASE_GENERATE_CODE);
    }

    // invoke compiler
    compiler.compile(units, listener);

    boolean hasErrors = false;
    for (ICompilationUnit unit : units) {
        if (unit.hasErrors()) {
            Misc.printCompilationErrors(unit, Misc.readSource(unit), printStackTraces);
            hasErrors = true;
        }
    }

    if (dumpObjectCode) {
        dumpObjectCode();
    }
    return hasErrors ? 1 : 0;
}

---

From source file:org.sakaiproject.site.impl.BaseToolConfiguration.java

/**
 * {@inheritDoc}/*ww w  .ja  va2 s  .c  om*/
 */
public Element toXml(Document doc, Stack stack) {
    Element element = doc.createElement("tool");
    ((Element) stack.peek()).appendChild(element);
    stack.push(element);

    element.setAttribute("id", getId());
    String toolId = getToolId();
    if (toolId != null) {
        element.setAttribute("toolId", toolId);
    }
    if (m_title != null) {
        element.setAttribute("title", m_title);
    }
    if (m_layoutHints != null) {
        element.setAttribute("layoutHints", m_layoutHints);
    }

    // properties
    Xml.propertiesToXml(getPlacementConfig(), doc, stack);

    stack.pop();

    return (Element) element;
}

---

From source file:org.sakaiproject.poll.model.Poll.java

public Element toXml(Document doc, Stack stack) {
    Element poll = doc.createElement("poll");

    if (stack.isEmpty()) {
        doc.appendChild(poll);/*from ww  w  . j  a v a  2s .  c om*/
    } else {
        ((Element) stack.peek()).appendChild(poll);
    }

    stack.push(poll);

    poll.setAttribute(ID, getId());
    poll.setAttribute(POLL_ID, getPollId().toString());
    poll.setAttribute(POLL_TEXT, getText());
    poll.setAttribute(MIN_OPTIONS, (new Integer(getMinOptions()).toString()));
    poll.setAttribute(MAX_OPTIONS, (new Integer(getMaxOptions()).toString()));

    if (description != null)
        poll.setAttribute(DESCRIPTION, description);

    DateFormat dformat = getDateFormatForXML();
    poll.setAttribute(VOTE_OPEN, dformat.format(this.voteOpen));
    poll.setAttribute(VOTE_CLOSE, dformat.format(this.voteClose));
    poll.setAttribute(LIMIT_VOTING, Boolean.valueOf(limitVoting).toString());
    // properties
    //getProperties().toXml(doc, stack);
    //apppend the options as chidren

    stack.pop();

    return poll;
}

---

From source file:com.baidu.rigel.biplatform.parser.CompileSection.java

private void sectionProcess(Stack<Node> nodes, Node tokenNode, CalculateNode calcNode) {
    if (nodes.isEmpty()) {
        if (calcNode == null) {
            nodes.push(tokenNode);//from w w w. j  a  va  2s .c o m
        } else {
            calcNode.setLeft(tokenNode);
            nodes.push(calcNode);
        }
    } else {
        // ?
        if (!nodes.peek().getNodeType().equals(NodeType.Calculate)) {
            // ??
            throw new NotAllowedOperationException("not allowed");
        }
        CalculateNode node = (CalculateNode) nodes.peek();
        if (calcNode == null) {
            node.setRight(tokenNode);
            return;
        }
        if (node.getOperation().getPriority() >= calcNode.getOperation().getPriority()) {
            node.setRight(tokenNode);
            calcNode.setLeft(node);
            // 
            nodes.pop();
        } else {
            calcNode.setLeft(tokenNode);
        }
        nodes.push(calcNode);
    }
}

---

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

/**
 * @see org.apache.sling.api.resource.ResourceResolverFactory#getThreadResourceResolver()
 *///  w w  w . j  ava 2  s.co m
@Override
public ResourceResolver getThreadResourceResolver() {
    if (!isActive.get()) {
        return null;
    }

    ResourceResolver result = null;
    final Stack<WeakReference<ResourceResolver>> resolverStack = resolverStackHolder.get();
    if (resolverStack != null) {
        while (result == null && !resolverStack.isEmpty()) {
            result = resolverStack.peek().get();
            if (result == null) {
                resolverStack.pop();
            }
        }
    }
    return result;
}

---

From source file:com.jsmartframework.web.tag.ButtonTagHandler.java

@SuppressWarnings("unchecked")
private StringBuilder getFunction(String id, String action, Map<String, Object> params) {
    Ajax jsonAjax = new Ajax();
    jsonAjax.setId(id);/*from  w w  w .  jav a  2  s. co  m*/
    jsonAjax.setForm((String) getTagValue(onForm));
    jsonAjax.setTimeout(timeout);
    jsonAjax.setValidate(!skipValidation);
    jsonAjax.setTag("button");

    // Params must be considered regardless the action for rest purpose
    for (String name : params.keySet()) {
        jsonAjax.addParam(new Param(name, params.get(name)));
    }

    if (action != null) {
        jsonAjax.setMethod("post");
        jsonAjax.setAction(getTagName(J_SBMT, action));

        if (!args.isEmpty()) {
            String argName = getTagName(J_SBMT_ARGS, action);
            for (Object arg : args.keySet()) {
                jsonAjax.addArg(new Param(argName, arg, args.get(arg)));
            }
        }
    } else if (update != null) {
        jsonAjax.setMethod("get");
    }
    if (update != null) {
        jsonAjax.setUpdate((String) getTagValue(update.trim()));
    }
    if (beforeSend != null) {
        jsonAjax.setBefore((String) getTagValue(beforeSend.trim()));
    }
    if (onError != null) {
        jsonAjax.setError((String) getTagValue(onError.trim()));
    }
    if (onSuccess != null) {
        jsonAjax.setSuccess((String) getTagValue(onSuccess.trim()));
    }
    if (onComplete != null) {
        jsonAjax.setComplete((String) getTagValue(onComplete.trim()));
    }

    // It means that the ajax is inside some iterator tag, so the
    // ajax actions will be set by iterator tag and the event bind
    // will use the id as tag attribute
    Stack<RefAction> actionStack = (Stack<RefAction>) getMappedValue(DELEGATE_TAG_PARENT);
    if (actionStack != null) {
        actionStack.peek().addRef(id, Event.CLICK.name(), jsonAjax);

    } else {
        StringBuilder builder = new StringBuilder();
        builder.append(JSMART_AJAX.format(getJsonValue(jsonAjax)));
        return getBindFunction(id, Event.CLICK.name(), builder);
    }

    return null;
}

---

From source file:com.gargoylesoftware.htmlunit.javascript.SimpleScriptable.java

/**
 * Gets the scriptable used at starting scope for the execution of current script.
 * @return the scope as defined in {@link JavaScriptEngine#callFunction}
 * or {@link JavaScriptEngine#execute}./*w w w  .j av  a 2 s . c o m*/
 */
protected Scriptable getStartingScope() {
    @SuppressWarnings("unchecked")
    final Stack<Scriptable> stack = (Stack<Scriptable>) Context.getCurrentContext()
            .getThreadLocal(JavaScriptEngine.KEY_STARTING_SCOPE);
    if (null == stack) {
        return null;
    }
    return stack.peek();
}

---

From source file:org.dhatim.cdr.extension.MapToResourceConfigFromParentConfig.java

public void visitBefore(Element element, ExecutionContext executionContext) throws SmooksException {
    Stack<SmooksResourceConfiguration> resourceStack = ExtensionContext.getExtensionContext(executionContext)
            .getResourceStack();//from  ww w  .j  av a  2  s  .  c o m
    SmooksResourceConfiguration currentConfig;
    SmooksResourceConfiguration parentConfig;
    String value;

    String actualMapTo = mapTo;

    //If no mapTo is set then the mapFrom value becomes the mapTo value
    if (actualMapTo == null) {
        actualMapTo = mapFrom;
    }

    // Get the current Config...
    try {
        currentConfig = resourceStack.peek();
    } catch (EmptyStackException e) {
        throw new SmooksException(
                "No SmooksResourceConfiguration available in ExtensionContext stack.  Unable to set SmooksResourceConfiguration property '"
                        + actualMapTo + "' with element text value.");
    }

    // Get the parent Config...
    try {
        parentConfig = resourceStack.get(resourceStack.size() - 1 + parentRelIndex);
    } catch (ArrayIndexOutOfBoundsException e) {
        throw new SmooksException(
                "No Parent SmooksResourceConfiguration available in ExtensionContext stack at relative index '"
                        + parentRelIndex + "'.  Unable to set SmooksResourceConfiguration property '"
                        + actualMapTo + "' with value of '" + mapFrom + "' from parent configuration.");
    }

    if (logger.isDebugEnabled()) {
        logger.debug("Mapping property '" + mapFrom + "' on parent resource configuration to property'"
                + actualMapTo + "'.");
    }
    ResourceConfigUtil.mapProperty(parentConfig, mapFrom, currentConfig, actualMapTo, defaultValue,
            executionContext);
}

---

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