Example usage for java.util EmptyStackException getMessage

Introduction

In this page you can find the example usage for java.util EmptyStackException getMessage.

Prototype

public String getMessage() 

Source Link

Document

Returns the detail message string of this throwable.

Usage

From source file:com.ecyrd.jspwiki.parser.JSPWikiMarkupParser.java

/**
 *  Handles constructs of type %%(style) and %%class
 * @param newLine// w  w w.j a  v  a2  s .com
 * @return An Element containing the div or span, depending on the situation.
 * @throws IOException
 */
private Element handleDiv(boolean newLine) throws IOException {
    int ch = nextToken();
    Element el = null;

    if (ch == '%') {
        String style = null;
        String clazz = null;

        ch = nextToken();

        //
        //  Style or class?
        //
        if (ch == '(') {
            style = readBraceContent('(', ')');
        } else if (Character.isLetter((char) ch)) {
            pushBack(ch);
            clazz = readUntil(" \t\n\r");
            ch = nextToken();

            //
            //  Pop out only spaces, so that the upcoming EOL check does not check the
            //  next line.
            //
            if (ch == '\n' || ch == '\r') {
                pushBack(ch);
            }
        } else {
            //
            // Anything else stops.
            //

            pushBack(ch);

            try {
                Boolean isSpan = m_styleStack.pop();

                if (isSpan == null) {
                    // Fail quietly
                } else if (isSpan.booleanValue()) {
                    el = popElement("span");
                } else {
                    el = popElement("div");
                }
            } catch (EmptyStackException e) {
                log.debug("Page '" + m_context.getName() + "' closes a %%-block that has not been opened.");
                return m_currentElement;
            }

            return el;
        }

        //
        //  Check if there is an attempt to do something nasty
        //

        try {
            style = StringEscapeUtils.unescapeHtml(style);
            if (style != null && style.indexOf("javascript:") != -1) {
                log.debug("Attempt to output javascript within CSS:" + style);
                ResourceBundle rb = m_context.getBundle(InternationalizationManager.CORE_BUNDLE);
                return addElement(makeError(rb.getString("markupparser.error.javascriptattempt")));
            }
        } catch (NumberFormatException e) {
            //
            //  If there are unknown entities, we don't want the parser to stop.
            //
            ResourceBundle rb = m_context.getBundle(InternationalizationManager.CORE_BUNDLE);
            Object[] args = { e.getMessage() };
            String msg = MessageFormat.format(rb.getString("markupparser.error.parserfailure"), args);
            return addElement(makeError(msg));
        }

        //
        //  Decide if we should open a div or a span?
        //
        String eol = peekAheadLine();

        if (eol.trim().length() > 0) {
            // There is stuff after the class

            el = new Element("span");

            m_styleStack.push(Boolean.TRUE);
        } else {
            startBlockLevel();
            el = new Element("div");
            m_styleStack.push(Boolean.FALSE);
        }

        if (style != null)
            el.setAttribute("style", style);
        if (clazz != null)
            el.setAttribute("class", clazz);
        el = pushElement(el);

        return el;
    }

    pushBack(ch);

    return el;
}

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From source file:org.apache.wiki.parser.JSPWikiMarkupParser.java

/**
 *  Handles constructs of type %%(style) and %%class
 * @param newLine//  w w  w .  j a v a 2s. com
 * @return An Element containing the div or span, depending on the situation.
 * @throws IOException
 */
private Element handleDiv(boolean newLine) throws IOException {
    int ch = nextToken();
    Element el = null;

    if (ch == '%') {
        String style = null;
        String clazz = null;

        ch = nextToken();

        //
        //  Style or class?
        //
        if (ch == '(') {
            style = readBraceContent('(', ')');
        } else if (Character.isLetter((char) ch)) {
            pushBack(ch);
            clazz = readUntil(" \t\n\r");
            ch = nextToken();

            //
            //  Pop out only spaces, so that the upcoming EOL check does not check the
            //  next line.
            //
            if (ch == '\n' || ch == '\r') {
                pushBack(ch);
            }
        } else {
            //
            // Anything else stops.
            //

            pushBack(ch);

            try {
                Boolean isSpan = m_styleStack.pop();

                if (isSpan == null) {
                    // Fail quietly
                } else if (isSpan.booleanValue()) {
                    el = popElement("span");
                } else {
                    el = popElement("div");
                }
            } catch (EmptyStackException e) {
                log.debug("Page '" + m_context.getName() + "' closes a %%-block that has not been opened.");
                return m_currentElement;
            }

            return el;
        }

        //
        //  Check if there is an attempt to do something nasty
        //

        try {
            style = StringEscapeUtils.unescapeHtml(style);
            if (style != null && style.indexOf("javascript:") != -1) {
                log.debug("Attempt to output javascript within CSS:" + style);
                ResourceBundle rb = Preferences.getBundle(m_context, InternationalizationManager.CORE_BUNDLE);
                return addElement(makeError(rb.getString("markupparser.error.javascriptattempt")));
            }
        } catch (NumberFormatException e) {
            //
            //  If there are unknown entities, we don't want the parser to stop.
            //
            ResourceBundle rb = Preferences.getBundle(m_context, InternationalizationManager.CORE_BUNDLE);
            String msg = MessageFormat.format(rb.getString("markupparser.error.parserfailure"), e.getMessage());
            return addElement(makeError(msg));
        }

        //
        //  Decide if we should open a div or a span?
        //
        String eol = peekAheadLine();

        if (eol.trim().length() > 0) {
            // There is stuff after the class

            el = new Element("span");

            m_styleStack.push(Boolean.TRUE);
        } else {
            startBlockLevel();
            el = new Element("div");
            m_styleStack.push(Boolean.FALSE);
        }

        if (style != null)
            el.setAttribute("style", style);
        if (clazz != null)
            el.setAttribute("class", clazz);
        el = pushElement(el);

        return el;
    }

    pushBack(ch);

    return el;
}

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