Example usage for org.apache.wicket.markup MarkupStream throwMarkupException

Introduction

In this page you can find the example usage for org.apache.wicket.markup MarkupStream throwMarkupException.

Prototype

public void throwMarkupException(final String message) 

Source Link

Document

Throws a new markup exception

Usage

From source file:com.servoy.j2db.server.headlessclient.dataui.SortableCellViewHeaders.java

License:Open Source License

private void renderSortableCellViewHeaderTagBody(final MarkupStream markupStream, final ComponentTag openTag) {
    renderColumnIdx = 0;/*from www  .  j a  v a2  s .com*/
    headerMarkupStartIdx = markupStream.getCurrentIndex();
    orderedHeaders = view.getOrderedHeaders();
    orderedHeaderIds = view.getOrderedHeaderIds();

    if ((markupStream != null) && (markupStream.getCurrentIndex() > 0)) {
        // If the original tag has been changed from open-close to open-body-close,
        // than historically renderComponentTagBody gets called, but actually
        // it shouldn't do anything since there is no body for that tag.
        ComponentTag origOpenTag = (ComponentTag) markupStream.get(markupStream.getCurrentIndex() - 1);
        if (origOpenTag.isOpenClose()) {
            return;
        }
    }

    // If the open tag requires a close tag
    boolean render = openTag.requiresCloseTag();
    if (render == false) {
        // Tags like <p> do not require a close tag, but they may have.
        render = !openTag.hasNoCloseTag();
    }

    if (render == true) {
        // Loop through the markup in this container
        while (markupStream.hasMore() && !markupStream.get().closes(openTag)) {
            // Render markup element. Doing so must advance the markup
            // stream
            final int index = markupStream.getCurrentIndex();
            _renderNext(markupStream);
            if (index == markupStream.getCurrentIndex()) {
                markupStream.throwMarkupException(
                        "Markup element at index " + index + " failed to advance the markup stream"); //$NON-NLS-1$ //$NON-NLS-2$
            }
        }
    }
}

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From source file:com.servoy.j2db.server.headlessclient.dataui.SortableCellViewHeaders.java

License:Open Source License

/**
 * Renders the next element of markup in the given markup stream.
 * /* w w  w . j  a v  a2 s. c  om*/
 * @param markupStream The markup stream
 */
private final void _renderNext(final MarkupStream markupStream) {
    // Get the current markup element
    final MarkupElement element = markupStream.get();

    // If it a tag like <wicket..> or <span wicket:id="..." >
    if ((element instanceof ComponentTag) && !markupStream.atCloseTag()) {
        // Get element as tag
        final ComponentTag tag = (ComponentTag) element;

        // Get component id
        final String id = tag.getId();

        // Get the component for the id from the given container
        final Component component = get(id);

        // Failed to find it?
        if (component != null && orderedHeaders.get(renderColumnIdx) != null) {
            if (component instanceof SortableCellViewHeader) {
                int currentIdx = markupStream.getCurrentIndex();
                renderHeader(renderColumnIdx, markupStream);
                renderColumnIdx++;
                markupStream.setCurrentIndex(currentIdx);
                markupStream.skipComponent();
            }
        } else {
            // 2rd try: Components like Border and Panel might implement
            // the ComponentResolver interface as well.
            MarkupContainer container = this;
            while (container != null) {
                if (container instanceof SortableCellViewHeaders) {
                    // we should created the corect header, use the id from the orderedHeaders
                    String headerId = orderedHeaderIds.get(renderColumnIdx);
                    renderColumnIdx++;
                    if (resolve(markupStream, tag, headerId)) {
                        return;
                    }

                }

                if (container instanceof IComponentResolver) {
                    if (((IComponentResolver) container).resolve(this, markupStream, tag)) {
                        return;
                    }
                }

                container = container.findParent(MarkupContainer.class);
            }

            // 3rd try: Try application's component resolvers
            final List<IComponentResolver> componentResolvers = getApplication().getPageSettings()
                    .getComponentResolvers();
            final Iterator<IComponentResolver> iterator = componentResolvers.iterator();
            while (iterator.hasNext()) {
                final IComponentResolver resolver = iterator.next();
                if (resolver.resolve(this, markupStream, tag)) {
                    return;
                }
            }

            if (tag instanceof WicketTag) {
                if (((WicketTag) tag).isChildTag()) {
                    markupStream.throwMarkupException("Found " + tag.toString() + " but no <wicket:extend>"); //$NON-NLS-1$ //$NON-NLS-2$
                } else {
                    markupStream.throwMarkupException("Failed to handle: " + tag.toString()); //$NON-NLS-1$
                }
            }

            // No one was able to handle the component id
            markupStream.throwMarkupException("Unable to find component with id '" + id + "' in " + this //$NON-NLS-1$//$NON-NLS-2$
                    + ". This means that you declared wicket:id=" + //$NON-NLS-1$
                    id + " in your markup, but that you either did not add the " //$NON-NLS-1$
                    + "component to your page at all, or that the hierarchy does not match."); //$NON-NLS-1$
        }
    } else {
        getResponse().write(element.toCharSequence());
        markupStream.next();
    }
}

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From source file:org.efaps.ui.wicket.components.LabelComponent.java

License:Apache License

/**
 * Method is overwritten to prevent the annoing warnings from Component to come up.
 * The warning come up due to the reason that this component moves the tags from parent
 * element to its child./*from w  ww  .  j a v a  2 s  .  com*/
 */
@Override
protected void onRender() {
    final IMarkupFragment markup = getMarkup();
    if (markup == null) {
        throw new MarkupException("Markup not found. Component: " + toString());
    }

    final MarkupStream markupStream = new MarkupStream(markup);

    // Get mutable copy of next tag
    final ComponentTag openTag = markupStream.getTag();
    final ComponentTag tag = openTag.mutable();

    // Call any tag handler
    onComponentTag(tag);

    // If we're an openclose tag
    if (!tag.isOpenClose() && !tag.isOpen()) {
        // We were something other than <tag> or <tag/>
        markupStream.throwMarkupException("Method renderComponent called on bad markup element: " + tag);
    }

    if (tag.isOpenClose() && openTag.isOpen()) {
        markupStream.throwMarkupException("You can not modify a open tag to open-close: " + tag);
    }

    markupStream.next();

    getMarkupSourcingStrategy().onComponentTagBody(this, markupStream, tag);
}

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