Examples of org.apache.myfaces.trinidadinternal.image.ImageProvider

Package org.apache.myfaces.trinidadinternal.image

Examples of org.apache.myfaces.trinidadinternal.image.ImageProvider

org.apache.myfaces.trinidadinternal.image.ImageProvider
The ImageProvider interface provides access to a set of images. Images are requested via the getImage() method. getImage() takes a number of arguments which describe the requested image, including an ImageProviderRequest object. It returns an ImageProviderResponse which can be used to access the requested image's URI. @see ImageProviderRequest @see ImageProviderResponse @see ImageType @see ImageTypeManager @version $Name: $ ($Revision: adfrt/faces/adf-faces-impl/src/main/java/oracle/adfinternal/view/faces/image/ImageProvider.java#0 $) $Date: 10-nov-2005.19:03:53 $ @author The Oracle ADF Faces Team

  {
    // First, normalize the path to make sure that lookups don't
    // fail due to insignificant path incosistencies.
    realPath = _getCanonicalPath(realPath);


    ImageProvider cache = _sSharedCaches.get(realPath);


    // If we didn't find a shared cache, create a new cache
    // and cache it in the shared cache cache.  :-)
    if (cache == null)
    {
      // Create the new cache
      cache = new FileSystemImageCache(realPath);


      // Before we save the new cache, make sure another thread hasn't
      // already cached a different instance.  Synchronize to lock up
      // _sSharedCaches.
      synchronized (_sSharedCaches)
      {
        ImageProvider tmp = _sSharedCaches.get(realPath);
        if (tmp != null)
        {
          // Stick with tmp
          cache = tmp;
        }

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    {
      if (ImageConstants.TECATE_NAMESPACE == namespace)
      {
        if (ImageConstants.IMAGE_PROVIDER_PROPERTY == key)
        {
          ImageProvider imageProvider = _getDefaultImageProvider();


          setProperty(ImageConstants.TECATE_NAMESPACE,
                      ImageConstants.IMAGE_PROVIDER_PROPERTY,
                      imageProvider);

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  // Creates a default Tecate's FileSystemImageCache.
  // Uses the web server root and base image uri to determine the
  // location of the default cache
  private ImageProvider _getDefaultImageProvider()
  {
    ImageProvider provider = null;
    Configuration config = getConfiguration();
    try
    {
      // We explicitly avoid using the SHARED_CONTEXT_PATH for the
      // image cache.  That way, we can ensure that each application

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    UIXRenderingContext context,
    UINode           node
    )
  {
    // First, make sure we have an ImagePRovider
    ImageProvider provider = (ImageProvider)
      context.getProperty(TECATE_NAMESPACE, IMAGE_PROVIDER_PROPERTY);
    if (provider == null)
      return null;


    // Round up all of our properties

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  public ImageProviderResponse getColorizedIcon(
    UIXRenderingContext context,
    IconKey iconKey
    )
  {
    ImageProvider provider = (ImageProvider)
      context.getProperty(ImageConstants.TECATE_NAMESPACE,
                          ImageConstants.IMAGE_PROVIDER_PROPERTY);


    Icon icon = getIcon(iconKey);
    String iconName = null;


    if ( icon != null )
      iconName = icon.getName();


    if (provider == null)
    {
      if (_LOG.isWarning())
        _LOG.warning("Could not get image provider for icon: " + iconName);


      return null;
    }


    // Get the context and request objects
    ImageContext imageContext = context.getImageContext();
    ImageProviderRequest request = _getIconRequest(context, iconKey);


    // Make the request
    ImageProviderResponse response = provider.getImage(imageContext, request);


    // Log any problems
    if (response == null)
    {
      if (_LOG.isWarning())

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  public static ImageProviderResponse getFlippedIcon(
    UIXRenderingContext context,
    String           sourceURI
    )
  {
    ImageProvider provider = (ImageProvider)
      context.getProperty(ImageConstants.TECATE_NAMESPACE,
                          ImageConstants.IMAGE_PROVIDER_PROPERTY);


    if (provider == null)
    {
      return null;
    }


    // Get the context and request objects
    ImageContext imageContext = context.getImageContext();
    ImageProviderRequest request = new FlippedIconRequest(
                                  context,
                                  sourceURI);


    // Make the request
    ImageProviderResponse response = provider.getImage(imageContext, request);


    // Log any problems
    if (response == null)
    {
      if (_LOG.isWarning())

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  public ImageProviderResponse getColorizedIcon(
    UIXRenderingContext context,
    IconKey iconKey
    )
  {
    ImageProvider provider = (ImageProvider)
      context.getProperty(ImageConstants.TECATE_NAMESPACE,
                          ImageConstants.IMAGE_PROVIDER_PROPERTY);


    Icon icon = getIcon(iconKey);
    String iconName = null;


    if ( icon != null )
      iconName = icon.getName();


    if (provider == null)
    {
      if (_LOG.isWarning())
        _LOG.warning("CANNOT_GET_IMAGE_PROVIDER_FOR_ICON", iconName);


      return null;
    }


    // Get the context and request objects
    ImageContext imageContext = context.getImageContext();
    ImageProviderRequest request = _getIconRequest(context, iconKey);


    // Make the request
    ImageProviderResponse response = provider.getImage(imageContext, request);


    // Log any problems
    if (response == null)
    {
      if (_LOG.isWarning())

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    UIXRenderingContext context,
    UINode           node
    )
  {
    // First, make sure we have an ImagePRovider
    ImageProvider provider = (ImageProvider)
      context.getProperty(TECATE_NAMESPACE, IMAGE_PROVIDER_PROPERTY);
    if (provider == null)
      return null;


    // Round up all of our properties

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    UIXRenderingContext context,
    UINode           node
    )
  {
    // First, make sure we have an ImagePRovider
    ImageProvider provider = (ImageProvider)
      context.getProperty(TECATE_NAMESPACE, IMAGE_PROVIDER_PROPERTY);
    if (provider == null)
      return null;


    // Round up all of our properties

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  public static ImageProviderResponse getFlippedIcon(
    UIXRenderingContext context,
    String           sourceURI
    )
  {
    ImageProvider provider = (ImageProvider)
      context.getProperty(ImageConstants.TECATE_NAMESPACE,
                          ImageConstants.IMAGE_PROVIDER_PROPERTY);


    if (provider == null)
    {
      return null;
    }


    // Get the context and request objects
    ImageContext imageContext = context.getImageContext();
    ImageProviderRequest request = new FlippedIconRequest(
                                  context,
                                  sourceURI);


    // Make the request
    ImageProviderResponse response = provider.getImage(imageContext, request);


    // Log any problems
    if (response == null)
    {
      if (_LOG.isWarning())

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