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.
Author:
John Hewson

  • Constructor Details

    • DefaultResourceCache

      public DefaultResourceCache()

  • Method Details

    • getFont

      public PDFont getFont(COSObject indirect) throws IOException
      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 object
      Returns:
      the font resource of the given indirect object.
      Throws:
      IOException - if something went wrong.

    • put

      public void put(COSObject indirect, PDFont font) throws IOException
      Description copied from interface: ResourceCache
      Puts the given indirect font resource in the cache.
      Specified by:
      put in interface ResourceCache
      Parameters:
      indirect - the indirect object of the resource.
      font - the font resource.
      Throws:
      IOException - if something went wrong.

    • getColorSpace

      public PDColorSpace getColorSpace(COSObject indirect) throws IOException
      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 object
      Returns:
      the color space resource of the given indirect object.
      Throws:
      IOException - if something went wrong.

    • put

      public void put(COSObject indirect, PDColorSpace colorSpace) throws IOException
      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 object of the resource.
      colorSpace - the color space resource.
      Throws:
      IOException - if something went wrong.

    • 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 object
      Returns:
      the extended graphics resource of the given indirect object.

    • 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 object of the resource.
      extGState - the extended graphics state resource.

    • getShading

      public PDShading getShading(COSObject indirect) throws IOException
      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 object
      Returns:
      the shading resource of the given indirect object.
      Throws:
      IOException - if something went wrong.

    • put

      public void put(COSObject indirect, PDShading shading) throws IOException
      Description copied from interface: ResourceCache
      Puts the given indirect shading resource in the cache.
      Specified by:
      put in interface ResourceCache
      Parameters:
      indirect - the indirect object of the resource.
      shading - the shading resource.
      Throws:
      IOException - if something went wrong.

    • getPattern

      public PDAbstractPattern getPattern(COSObject indirect) throws IOException
      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 object
      Returns:
      the pattern resource of the given indirect object.
      Throws:
      IOException - if something went wrong.

    • put

      public void put(COSObject indirect, PDAbstractPattern pattern) throws IOException
      Description copied from interface: ResourceCache
      Puts the given indirect pattern resource in the cache.
      Specified by:
      put in interface ResourceCache
      Parameters:
      indirect - the indirect object of the resource.
      pattern - the pattern resource.
      Throws:
      IOException - if something went wrong.

    • 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 object
      Returns:
      the property list resource of the given indirect object.

    • 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 object of the resource.
      propertyList - the property list resource.

    • getXObject

      public PDXObject getXObject(COSObject indirect) throws IOException
      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 object
      Returns:
      the XObject resource of the given indirect object.
      Throws:
      IOException - if something went wrong.

    • put

      public void put(COSObject indirect, PDXObject xobject) throws IOException
      Description copied from interface: ResourceCache
      Puts the given indirect XObject resource in the cache.
      Specified by:
      put in interface ResourceCache
      Parameters:
      indirect - the indirect object of the resource.
      xobject - the XObject resource.
      Throws:
      IOException - if something went wrong.