Package org.idpf.epubcheck.util.css

Class CssInputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable
    public class CssInputStream
extends java.io.PushbackInputStream
    An InputStream for CSS files that detects and skips past BOMs, and peeks for @charset rules.

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      private static class  CssInputStream.Endian  

    • Field Summary

      Fields 
      Modifier and Type Field Description
      (package private) com.google.common.base.Optional<java.lang.String> bom  
      private static java.util.Map<java.lang.String,​byte[]> boms  
      (package private) com.google.common.base.Optional<java.lang.String> charset  
      private boolean debug  
      private static int MAX_PUSHBACK  

      • Fields inherited from class java.io.PushbackInputStream

        buf, pos

      • Fields inherited from class java.io.FilterInputStream

        in

    • Constructor Summary

      Constructors 
      Constructor Description
      CssInputStream​(java.io.InputStream in)  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      private java.lang.String getBOM()  
      com.google.common.base.Optional<java.lang.String> getBomCharset()
      Get the character set as detected from a BOM.
      com.google.common.base.Optional<java.lang.String> getCssCharset()
      Get the value of the CSS @charset rule, if present.
      private java.lang.String getCssCharset​(java.lang.String bom)  
      private static java.lang.String map​(byte[] data)  

      • Methods inherited from class java.io.PushbackInputStream

        available, close, mark, markSupported, read, read, reset, skip, unread, unread, unread

      • Methods inherited from class java.io.FilterInputStream

        read

      • Methods inherited from class java.io.InputStream

        nullInputStream, readAllBytes, readNBytes, readNBytes, transferTo

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • bom

        com.google.common.base.Optional<java.lang.String> bom

      • charset

        com.google.common.base.Optional<java.lang.String> charset

      • boms

        private static final java.util.Map<java.lang.String,​byte[]> boms

      • debug

        private boolean debug

    • Constructor Detail

      • CssInputStream

        public CssInputStream​(java.io.InputStream in)
               throws java.io.IOException
        Throws:
        java.io.IOException

    • Method Detail

      • getBOM

        private java.lang.String getBOM()
                         throws java.io.IOException
        Throws:
        java.io.IOException

      • getCssCharset

        private java.lang.String getCssCharset​(java.lang.String bom)
                                throws java.io.IOException
        Throws:
        java.io.IOException

      • map

        private static java.lang.String map​(byte[] data)

      • getBomCharset

        public final com.google.common.base.Optional<java.lang.String> getBomCharset()
        Get the character set as detected from a BOM. If present, the returned string is one of 'UTF-32BE', 'UTF-32LE", 'UTF-8", 'UTF-16BE' or 'UTF-16LE".

      • getCssCharset

        public final com.google.common.base.Optional<java.lang.String> getCssCharset()
        Get the value of the CSS @charset rule, if present.