Examples of org.apache.tapestry.IResourceLocation

org.apache.tapestry.IResourceLocation
Describes the location of a resource, such as a specification or template. Resources may be located within the classpath, or within the Web context root or somewhere else entirely.
Resources may be either base or localized. A localized version of a base resource may be obtained via {@link #getLocalization(Locale)}.
Resource locations are used as Map keys, they must implement {@link java.lang.Object#hashCode()} and{@link java.lang.Object#equals(java.lang.Object)}properly.
Resource locations are valid even if the corresponding resource doesn't exist. To verify if a localization actually exists, use {@link #getResourceURL()}, which returns null if the resource doesn't exist. {@link #getLocalization(Locale)}returns only real resource locations, where the resource exists.
Folders must be represented with a trailing slash. @author Howard Lewis Ship @version $Id: IResourceLocation.java 243791 2004-02-19 17:38:13Z hlship $ @since 3.0


        if (LOG.isDebugEnabled())
            LOG.debug("Resolving unknown component '" + _type + "' in " + namespace);


        String expectedName = _type + ".jwc";
        IResourceLocation namespaceLocation = namespace.getSpecificationLocation();


        // Look for appropriate file in same folder as the library (or application)
        // specificaiton.


        if (found(namespaceLocation.getRelativeLocation(expectedName)))
            return;


        if (namespace.isApplicationNamespace())
        {

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        if (LOG.isDebugEnabled())
            LOG.debug("Resolving unknown page '" + _simpleName + "' in " + namespace);


        String expectedName = _simpleName + ".page";


        IResourceLocation namespaceLocation = namespace.getSpecificationLocation();


        // See if there's a specification file in the same folder
        // as the library or application specification that's
        // supposed to contain the page.


        if (found(namespaceLocation.getRelativeLocation(expectedName)))
            return;


        if (namespace.isApplicationNamespace())
        {


            // The application namespace gets some extra searching.


            if (found(getWebInfAppLocation().getRelativeLocation(expectedName)))
                return;


            if (found(getWebInfLocation().getRelativeLocation(expectedName)))
                return;


            if (found(getApplicationRootLocation().getRelativeLocation(expectedName)))
                return;


            // The wierd one ... where we see if there's a template in the application root location.


            String templateName = _simpleName + "." + getTemplateExtension();


            IResourceLocation templateLocation =
                getApplicationRootLocation().getRelativeLocation(templateName);


            if (templateLocation.getResourceURL() != null)
            {
                setupImplicitPage(templateLocation);
                return;
            }

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        List names = specification.getAssetNames();


        if (names.isEmpty())
            return;


        IResourceLocation specLocation = specification.getSpecificationLocation();


        Iterator i = names.iterator();


        while (i.hasNext())
        {

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        if (type == AssetType.EXTERNAL)
            return new ExternalAsset(path, location);


        if (type == AssetType.PRIVATE)
        {
            IResourceLocation baseLocation = specificationLocation;


            // Fudge a special case for private assets with complete paths.  The specificationLocation
            // can't be used because it is often a ContextResourceLocation,
            // not a ClasspathResourceLocation.

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        IComponent component,
        IResourceLocation baseLocation,
        String path,
        ILocation location)
    {
        IResourceLocation assetLocation = baseLocation.getRelativeLocation(path);
        IResourceLocation localizedLocation = assetLocation.getLocalization(_locale);


        if (localizedLocation == null)
            throw new ApplicationRuntimeException(
                Tapestry.format(
                    "PageLoader.missing-asset",

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    public void startDocument(String namespace, String name, Attributes attributes)
        throws Exception
    {
        SpecificationDigester digester = getDigester();
        IResourceLocation location = digester.getResourceLocation();


        String publicId = digester.getPublicId();


    // publicId will never be null because we use a validating parser.

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        return link.getURL();
    }


    public InputStream getResourceAsStream(IRequestCycle cycle)
    {
        IResourceLocation location = getResourceLocation();


        try
        {
            URL url = location.getResourceURL();


            return url.openStream();
        }
        catch (Exception ex)
        {

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     **/


    public ComponentTemplate getTemplate(IRequestCycle cycle, IComponent component)
    {
        IComponentSpecification specification = component.getSpecification();
        IResourceLocation specificationLocation = specification.getSpecificationLocation();


        Locale locale = component.getPage().getLocale();


        Object key = new MultiKey(new Object[] { specificationLocation, locale }, false);

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            LOG.debug("Checking for " + templateBaseName + " in application root");


        if (_applicationRootLocation == null)
            _applicationRootLocation = Tapestry.getApplicationRootLocation(cycle);


        IResourceLocation baseLocation =
            _applicationRootLocation.getRelativeLocation(templateBaseName);
        IResourceLocation localizedLocation = baseLocation.getLocalization(locale);


        if (localizedLocation == null)
            return null;


        return getOrParseTemplate(cycle, localizedLocation, component);

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            throw new ApplicationRuntimeException(
                Tapestry.format("DefaultTemplateSource.unable-to-read-template", asset),
                ex);
        }


        IResourceLocation resourceLocation = asset.getResourceLocation();


        return constructTemplateInstance(cycle, templateData, resourceLocation, component);
    }

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