Package com.itextpdf.styledxmlparser.resolver.resource

Class DefaultResourceRetriever

java.lang.Object
com.itextpdf.styledxmlparser.resolver.resource.DefaultResourceRetriever
All Implemented Interfaces:
IResourceRetriever
public class DefaultResourceRetriever extends Object implements IResourceRetriever
Default implementation of the IResourceRetriever interface, which can set a limit on the size of retrieved resources using input stream with a limit on the number of bytes read.

  • Constructor Details

    • DefaultResourceRetriever

      public DefaultResourceRetriever()
      Creates a new DefaultResourceRetriever instance. The limit on the size of retrieved resources is by default equal to Long.MAX_VALUE bytes.

  • Method Details

    • getResourceSizeByteLimit

      public long getResourceSizeByteLimit()
      Gets the resource size byte limit. The resourceSizeByteLimit is used to create input stream with a limit on the number of bytes read.
      Returns:
      the resource size byte limit

    • setResourceSizeByteLimit

      public IResourceRetriever setResourceSizeByteLimit (long resourceSizeByteLimit)
      Sets the resource size byte limit. The resourceSizeByteLimit is used to create input stream with a limit on the number of bytes read.
      Parameters:
      resourceSizeByteLimit - the resource size byte limit
      Returns:
      the IResourceRetriever instance

    • getInputStreamByUrl

      public InputStream getInputStreamByUrl (URL url) throws IOException
      Gets the input stream with current limit on the number of bytes read, that connect with source URL for retrieving data from that connection.
      Specified by:
      getInputStreamByUrl in interface IResourceRetriever
      Parameters:
      url - the source URL
      Returns:
      the limited input stream or null if the URL was filtered
      Throws:
      IOException - if any input/output issue occurs

    • getByteArrayByUrl

      public byte[] getByteArrayByUrl (URL url) throws IOException
      Gets the byte array that are retrieved from the source URL.
      Specified by:
      getByteArrayByUrl in interface IResourceRetriever
      Parameters:
      url - the source URL
      Returns:
      the byte array or null if the retrieving failed or the URL was filtered or the resourceSizeByteLimit was violated
      Throws:
      IOException - if any input/output issue occurs

    • urlFilter

      protected boolean urlFilter (URL url)
      Method for filtering resources by URL. The default implementation allows for all URLs. Override this method if want to set filtering.
      Parameters:
      url - the source URL
      Returns:
      true if the resource can be retrieved and false otherwise