Class PipelineFactory


  • public class PipelineFactory
    extends java.lang.Object
    Factory class for image processing pipelines.
    • Field Detail

      • log

        protected static final org.apache.commons.logging.Log log
        logger
      • converterEdgeDirectoryVersion

        private int converterEdgeDirectoryVersion
      • converterEdgeDirectory

        private DefaultEdgeDirectory converterEdgeDirectory
        Holds the EdgeDirectory for all image conversions
    • Constructor Detail

      • PipelineFactory

        public PipelineFactory​(ImageManager manager)
        Main constructor.
        Parameters:
        manager - the ImageManager instance
    • Method Detail

      • newImageConverterPipeline

        public ImageProviderPipeline newImageConverterPipeline​(Image originalImage,
                                                               ImageFlavor targetFlavor)
        Creates and returns an ImageProviderPipeline that allows to load an image of the given MIME type and present it in the requested image flavor.
        Parameters:
        originalImage - the original image that serves as the origin point of the conversion
        targetFlavor - the requested image flavor
        Returns:
        an ImageProviderPipeline or null if no suitable pipeline could be assembled
      • newImageConverterPipeline

        public ImageProviderPipeline newImageConverterPipeline​(ImageInfo imageInfo,
                                                               ImageFlavor targetFlavor)
        Creates and returns an ImageProviderPipeline that allows to load an image of the given MIME type and present it in the requested image flavor.
        Parameters:
        imageInfo - the image info object of the original image
        targetFlavor - the requested image flavor
        Returns:
        an ImageProviderPipeline or null if no suitable pipeline could be assembled
      • determineCandidatePipelines

        public ImageProviderPipeline[] determineCandidatePipelines​(ImageInfo imageInfo,
                                                                   ImageFlavor targetFlavor)
        Determines all possible pipelines for the given image that can produce the requested target flavor.
        Parameters:
        imageInfo - the image information
        targetFlavor - the target flavor
        Returns:
        the candidate pipelines
      • determineCandidatePipelines

        public ImageProviderPipeline[] determineCandidatePipelines​(ImageInfo imageInfo,
                                                                   ImageFlavor[] flavors)
        Finds and returns an array of ImageProviderPipeline instances which can handle the given MIME type and return one of the given ImageFlavors.
        Parameters:
        imageInfo - the image info object
        flavors - the possible target flavors
        Returns:
        an array of pipelines
      • determineCandidatePipelines

        public ImageProviderPipeline[] determineCandidatePipelines​(Image sourceImage,
                                                                   ImageFlavor[] flavors)
        Finds and returns an array of ImageProviderPipeline instances which can handle the convert the given Image and return one of the given ImageFlavors.
        Parameters:
        sourceImage - the image to be converted
        flavors - the possible target flavors
        Returns:
        an array of pipelines