Examples of com.vaadin.terminal.ApplicationResource

com.vaadin.terminal.ApplicationResource
This interface must be implemented by classes wishing to provide Application resources.
ApplicationResource are a set of named resources (pictures, sounds, etc) associated with some specific application. Having named application resources provides a convenient method for having inter-theme common resources for an application.
@author IT Mill Ltd. @version 6.7.1 @since 3.0


        if (this.context.isApplicationResourceURL(context, relativeUri)) {


            // Handles the resource request
            final String key = this.context.getURLKey(context, relativeUri);
            final ApplicationResource resource = keyResourceMap.get(key);
            if (resource != null) {
                DownloadStream stream = resource.getStream();
                if (stream != null) {
                    stream.setCacheTime(resource.getCacheTime());
                    return stream;
                } else {
                    return null;
                }
            } else {

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        if (value instanceof ExternalResource) {
            addAttribute(name, ((ExternalResource) value).getURL());


        } else if (value instanceof ApplicationResource) {
            final ApplicationResource r = (ApplicationResource) value;
            final Application a = r.getApplication();
            if (a == null) {
                throw new PaintException(
                        "Application not specified for resorce "
                                + value.getClass().getName());
            }

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    @SuppressWarnings("serial")
    @Override
    public Resource getSource() {
        if (res == null) {
            res = new ApplicationResource() {


                private ByteArrayInputStream bytestream = null;


                ByteArrayInputStream getByteStream() {
                    if (chart != null && bytestream == null) {

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        if (value instanceof ExternalResource) {
            addAttribute(name, ((ExternalResource) value).getURL());


        } else if (value instanceof ApplicationResource) {
            final ApplicationResource r = (ApplicationResource) value;
            final Application a = r.getApplication();
            if (a == null) {
                throw new PaintException(
                        "Application not specified for resorce "
                                + value.getClass().getName());
            }

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        if (this.context.isApplicationResourceURL(context, relativeUri)) {


            // Handles the resource request
            final String key = this.context.getURLKey(context, relativeUri);
            final ApplicationResource resource = keyResourceMap.get(key);
            if (resource != null) {
                DownloadStream stream = resource.getStream();
                if (stream != null) {
                    stream.setCacheTime(resource.getCacheTime());
                    return stream;
                } else {
                    return null;
                }
            } else {

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        if (value instanceof ExternalResource) {
            addAttribute(name, ((ExternalResource) value).getURL());


        } else if (value instanceof ApplicationResource) {
            final ApplicationResource r = (ApplicationResource) value;
            final Application a = r.getApplication();
            if (a == null) {
                throw new PaintException(
                        "Application not specified for resorce "
                                + value.getClass().getName());
            }

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        if (this.context.isApplicationResourceURL(context, relativeUri)) {


            // Handles the resource request
            final String key = this.context.getURLKey(context, relativeUri);
            final ApplicationResource resource = keyResourceMap.get(key);
            if (resource != null) {
                DownloadStream stream = resource.getStream();
                if (stream != null) {
                    stream.setCacheTime(resource.getCacheTime());
                    return stream;
                } else {
                    return null;
                }
            } else {

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        if (this.context.isApplicationResourceURL(context, relativeUri)) {


            // Handles the resource request
            final String key = this.context.getURLKey(context, relativeUri);
            final ApplicationResource resource = keyResourceMap.get(key);
            if (resource != null) {
                DownloadStream stream = resource.getStream();
                if (stream != null) {
                    stream.setCacheTime(resource.getCacheTime());
                    return stream;
                } else {
                    return null;
                }
            } else {

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        if (value instanceof ExternalResource) {
            addAttribute(name, ((ExternalResource) value).getURL());


        } else if (value instanceof ApplicationResource) {
            final ApplicationResource r = (ApplicationResource) value;
            final Application a = r.getApplication();
            if (a == null) {
                throw new PaintException(
                        "Application not specified for resorce "
                                + value.getClass().getName());
            }

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            final int next = relativeUri.indexOf('/', index + 1);
            if (next < 0) {
                return null;
            }
            final String key = relativeUri.substring(index + 1, next);
            final ApplicationResource resource = (ApplicationResource) keyResourceMap
                    .get(key);
            if (resource != null) {
                DownloadStream stream = resource.getStream();
                if (stream != null) {
                    stream.setCacheTime(resource.getCacheTime());
                    return stream;
                } else {
                    return null;
                }
            } else {

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