Package org.apache.pdfbox.pdmodel

Class DefaultResourceCache

java.lang.Object
org.apache.pdfbox.pdmodel.DefaultResourceCache
All Implemented Interfaces:
ResourceCache
public class DefaultResourceCache extends Object implements ResourceCache
A resource cached based on SoftReference, retains resources until memory pressure causes them to be garbage collected.

  • Field Details

  • Constructor Details

    • DefaultResourceCache

      public DefaultResourceCache()

  • Method Details

    • getFont

      public PDFont getFont(COSObject indirect)
      Description copied from interface: ResourceCache
      Returns the font resource for the given indirect object, if it is in the cache.
      Specified by:
      getFont in interface ResourceCache
      Parameters:
      indirect - the indirect reference of the font to be returned
      Returns:
      the cached instance of the referenced font, if available

    • put

      public void put(COSObject indirect, PDFont font)
      Description copied from interface: ResourceCache
      Puts the given indirect font resource in the cache.
      Specified by:
      put in interface ResourceCache
      Parameters:
      indirect - the indirect reference of the font to be cached
      font - the font to be cached

    • getColorSpace

      public PDColorSpace getColorSpace(COSObject indirect)
      Description copied from interface: ResourceCache
      Returns the color space resource for the given indirect object, if it is in the cache.
      Specified by:
      getColorSpace in interface ResourceCache
      Parameters:
      indirect - the indirect reference of the colorspace to be returned
      Returns:
      the cached instance of the referenced colorspace, if available

    • put

      public void put(COSObject indirect, PDColorSpace colorSpace)
      Description copied from interface: ResourceCache
      Puts the given indirect color space resource in the cache.
      Specified by:
      put in interface ResourceCache
      Parameters:
      indirect - the indirect reference of the colorspace to be cached
      colorSpace - the colorspace to be cached

    • getExtGState

      public PDExtendedGraphicsState getExtGState(COSObject indirect)
      Description copied from interface: ResourceCache
      Returns the extended graphics state resource for the given indirect object, if it is in the cache.
      Specified by:
      getExtGState in interface ResourceCache
      Parameters:
      indirect - the indirect reference of the extended graphics state to be returned
      Returns:
      the cached instance of the referenced extended graphics state, if available

    • put

      public void put(COSObject indirect, PDExtendedGraphicsState extGState)
      Description copied from interface: ResourceCache
      Puts the given indirect extended graphics state resource in the cache.
      Specified by:
      put in interface ResourceCache
      Parameters:
      indirect - the indirect reference of the extended graphics state to be cached
      extGState - the extended graphics state to be cached

    • getShading

      public PDShading getShading(COSObject indirect)
      Description copied from interface: ResourceCache
      Returns the shading resource for the given indirect object, if it is in the cache.
      Specified by:
      getShading in interface ResourceCache
      Parameters:
      indirect - the indirect reference of the shading to be returned
      Returns:
      the cached instance of the referenced shading, if available

    • put

      public void put(COSObject indirect, PDShading shading)
      Description copied from interface: ResourceCache
      Puts the given indirect shading resource in the cache.
      Specified by:
      put in interface ResourceCache
      Parameters:
      indirect - the indirect reference of the shading to be cached
      shading - the shading to be cached

    • getPattern

      public PDAbstractPattern getPattern(COSObject indirect)
      Description copied from interface: ResourceCache
      Returns the pattern resource for the given indirect object, if it is in the cache.
      Specified by:
      getPattern in interface ResourceCache
      Parameters:
      indirect - the indirect reference of the pattern to be returned
      Returns:
      the cached instance of the referenced pattern, if available

    • put

      public void put(COSObject indirect, PDAbstractPattern pattern)
      Description copied from interface: ResourceCache
      Puts the given indirect pattern resource in the cache.
      Specified by:
      put in interface ResourceCache
      Parameters:
      indirect - the indirect reference of the pattern to be cached
      pattern - the pattern to be cached

    • getProperties

      public PDPropertyList getProperties(COSObject indirect)
      Description copied from interface: ResourceCache
      Returns the property list resource for the given indirect object, if it is in the cache.
      Specified by:
      getProperties in interface ResourceCache
      Parameters:
      indirect - the indirect reference of the property list to be returned
      Returns:
      the cached instance of the referenced property list, if available

    • put

      public void put(COSObject indirect, PDPropertyList propertyList)
      Description copied from interface: ResourceCache
      Puts the given indirect property list resource in the cache.
      Specified by:
      put in interface ResourceCache
      Parameters:
      indirect - the indirect reference of the property list to be cached
      propertyList - the property list to be cached

    • getXObject

      public PDXObject getXObject(COSObject indirect)
      Description copied from interface: ResourceCache
      Returns the XObject resource for the given indirect object, if it is in the cache.
      Specified by:
      getXObject in interface ResourceCache
      Parameters:
      indirect - the indirect reference of the XObject to be returned
      Returns:
      the cached instance of the referenced XObject, if available

    • put

      public void put(COSObject indirect, PDXObject xobject)
      Description copied from interface: ResourceCache
      Puts the given indirect XObject resource in the cache.
      Specified by:
      put in interface ResourceCache
      Parameters:
      indirect - the indirect reference of the XObject to be cached
      xobject - the XObject to be cached