Examples with IResource org.apache.wicket.request.resource.IResource used on opensource projects

Example 11 with IResource

use of org.apache.wicket.request.resource.IResource in project wicket by apache.

the class Image method setImageResources.

/**
 * @param imageResources
 *            the new ImageResource to set.
 */
public void setImageResources(final IResource... imageResources) {
    localizedImageResources.clear();
    for (IResource imageResource : imageResources) {
        LocalizedImageResource localizedImageResource = new LocalizedImageResource(this);
        localizedImageResource.setResource(imageResource);
        localizedImageResources.add(localizedImageResource);
    }
}

Example 12 with IResource

use of org.apache.wicket.request.resource.IResource in project wicket by apache.

the class Image method buildSrcAttribute.

/**
 * Builds the src attribute
 *
 * @param tag
 *            the component tag
 * @return the value of the src attribute
 */
protected String buildSrcAttribute(final ComponentTag tag) {
    final IResource resource = getImageResource();
    if (resource != null) {
        localizedImageResource.setResource(resource);
    }
    final ResourceReference resourceReference = getImageResourceReference();
    if (resourceReference != null) {
        localizedImageResource.setResourceReference(resourceReference);
    }
    localizedImageResource.setSrcAttribute(tag);
    if (shouldAddAntiCacheParameter()) {
        addAntiCacheParameter(tag);
    }
    return tag.getAttribute("src");
}

Example 13 with IResource

use of org.apache.wicket.request.resource.IResource in project wicket by apache.

the class BasicResourceReferenceMapper method mapHandler.

@Override
public Url mapHandler(IRequestHandler requestHandler) {
    if (requestHandler instanceof ResourceReferenceRequestHandler) {
        ResourceReferenceRequestHandler referenceRequestHandler = (ResourceReferenceRequestHandler) requestHandler;
        ResourceReference reference = referenceRequestHandler.getResourceReference();
        Url url;
        while (reference instanceof ResourceBundleReference) {
            // unwrap the bundle to render the url for the actual reference
            reference = ((ResourceBundleReference) reference).getBundleReference();
        }
        if (reference instanceof MetaInfStaticResourceReference) {
            url = ((MetaInfStaticResourceReference) reference).mapHandler(referenceRequestHandler);
            // if running on Servlet 3.0 engine url is not null
            if (url != null) {
                return url;
            }
        // otherwise it has to be served by the standard wicket way
        }
        if (reference.canBeRegistered()) {
            ResourceReferenceRegistry resourceReferenceRegistry = getContext().getResourceReferenceRegistry();
            resourceReferenceRegistry.registerResourceReference(reference);
        }
        url = new Url();
        List<String> segments = url.getSegments();
        segments.add(getContext().getNamespace());
        segments.add(getContext().getResourceIdentifier());
        segments.add(getClassName(reference.getScope()));
        // setup resource parameters
        PageParameters parameters = new PageParameters(referenceRequestHandler.getPageParameters());
        // need to remove indexed parameters otherwise the URL won't be able to decode
        parameters.clearIndexed();
        ResourceUtil.encodeResourceReferenceAttributes(url, reference);
        StringTokenizer tokens = new StringTokenizer(reference.getName(), "/");
        while (tokens.hasMoreTokens()) {
            String token = tokens.nextToken();
            // on the last component of the resource path
            if (tokens.hasMoreTokens() == false && Strings.isEmpty(token) == false) {
                final IResource resource = reference.getResource();
                // is resource supposed to be cached?
                if (resource instanceof IStaticCacheableResource) {
                    final IStaticCacheableResource cacheable = (IStaticCacheableResource) resource;
                    // is caching enabled?
                    if (cacheable.isCachingEnabled()) {
                        // apply caching scheme to resource url
                        final ResourceUrl resourceUrl = new ResourceUrl(token, parameters);
                        getCachingStrategy().decorateUrl(resourceUrl, cacheable);
                        token = resourceUrl.getFileName();
                        Checks.notEmpty(token, "Caching strategy returned empty name for '%s'", resource);
                    }
                }
            }
            segments.add(token);
        }
        if (parameters.isEmpty() == false) {
            url = encodePageParameters(url, parameters, pageParametersEncoder);
        }
        return url;
    }
    return null;
}

Example 14 with IResource

use of org.apache.wicket.request.resource.IResource in project wicket by apache.

the class LocalizedImageResource method newImage.

/**
 * Generates an image resource based on the attribute values on tag
 *
 * @param value
 *            The value to parse
 */
private void newImage(final CharSequence value) {
    // Parse value
    final ImageValueParser valueParser = new ImageValueParser(value);
    // Does value match parser?
    if (valueParser.matches()) {
        final String imageReferenceName = valueParser.getImageReferenceName();
        final String specification = Strings.replaceHtmlEscapeNumber(valueParser.getSpecification());
        final String factoryName = valueParser.getFactoryName();
        final Application application = component.getApplication();
        // Do we have a reference?
        if (!Strings.isEmpty(imageReferenceName)) {
            // Is resource already available via the application?
            if (application.getResourceReferenceRegistry().getResourceReference(Application.class, imageReferenceName, locale, style, variation, true, false) == null) {
                // Resource not available yet, so create it with factory and
                // share via Application
                final IResource imageResource = getResourceFactory(application, factoryName).newResource(specification, locale, style, variation);
                ResourceReference ref = new SimpleStaticResourceReference(Application.class, imageReferenceName, locale, style, variation, imageResource);
                application.getResourceReferenceRegistry().registerResourceReference(ref);
            }
            // Create resource reference
            resourceReference = new PackageResourceReference(Application.class, imageReferenceName, locale, style, variation);
        } else {
            resource = getResourceFactory(application, factoryName).newResource(specification, locale, style, variation);
        }
    } else {
        throw new WicketRuntimeException("Could not generate image for value attribute '" + value + "'.  Was expecting a value attribute of the form \"[resourceFactoryName]:[resourceReferenceName]?:[factorySpecification]\".");
    }
}

Example 15 with IResource

use of org.apache.wicket.request.resource.IResource in project wicket by apache.

the class LocalizedImageResource method setSrcAttribute.

/**
 * @param tag
 *            The tag to inspect for an optional src attribute that might reference an image.
 * @throws WicketRuntimeException
 *             Thrown if an image is required by the caller, but none can be found.
 */
public final void setSrcAttribute(final ComponentTag tag) {
    // If locale has changed from the initial locale used to attach image
    // resource, then we need to reload the resource in the new locale
    Locale l = component.getLocale();
    String s = component.getStyle();
    String v = component.getVariation();
    if (resourceKind == null && (!Objects.equal(locale, l) || !Objects.equal(style, s) || !Objects.equal(variation, v))) {
        // Get new component locale and style
        locale = l;
        style = s;
        variation = v;
        // Invalidate current resource so it will be reloaded/recomputed
        resourceReference = null;
        resource = null;
    } else {
    // TODO post 1.2: should we have support for locale changes when the
    // resource reference (or resource??) is set manually..
    // We should get a new resource reference for the current locale
    // then that points to the same resource but with another locale if
    // it exists. Something like
    // SharedResource.getResourceReferenceForLocale(resourceReference);
    }
    // check if the model contains a resource, if so, load the resource from
    // the model.
    Object modelObject = component.getDefaultModelObject();
    if (modelObject instanceof ResourceReference) {
        resourceReference = (ResourceReference) modelObject;
    } else if (modelObject instanceof IResource) {
        resource = (IResource) modelObject;
    }
    // Need to load image resource for this component?
    if (resource == null && resourceReference == null) {
        // Get SRC attribute of tag
        final CharSequence src = tag.getAttribute("src");
        if (src != null) {
            // Try to load static image
            loadStaticImage(src.toString());
        } else {
            // Get VALUE attribute of tag
            final CharSequence value = tag.getAttribute("value");
            if (value != null) {
                // Try to generate an image using an image factory
                newImage(value);
            } else {
                // Load static image using model object as the path
                loadStaticImage(component.getDefaultModelObjectAsString());
            }
        }
    }
    // Get URL for resource
    final CharSequence url;
    if (resourceReference != null) {
        // Create URL to resource
        url = RequestCycle.get().urlFor(resourceReference, resourceParameters);
    } else {
        // Create URL to component
        url = component.urlForListener(resourceParameters);
    }
    // Set the SRC attribute to point to the component or shared resource
    tag.put("src", url);
}