Module org.openjdk.nashorn
Package org.openjdk.nashorn.api.scripting

Class URLReader

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable, java.lang.Readable
    public final class URLReader
extends java.io.Reader
    A Reader that reads from a URL. Used to make sure that the reader reads content from given URL and can be trusted to do so.
    Since:
    1.8u40

    • Field Summary

      • Fields inherited from class java.io.Reader

        lock

    • Constructor Summary

      Constructors 
      Constructor Description
      URLReader​(java.net.URL url)
      Constructor
      URLReader​(java.net.URL url, java.lang.String charsetName)
      Constructor
      URLReader​(java.net.URL url, java.nio.charset.Charset cs)
      Constructor

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()  
      java.nio.charset.Charset getCharset()
      Charset used by this reader
      java.net.URL getURL()
      URL of this reader
      int read​(char[] cbuf, int off, int len)  

      • Methods inherited from class java.io.Reader

        mark, markSupported, nullReader, read, read, read, ready, reset, skip, transferTo

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • URLReader

        public URLReader​(java.net.URL url)
        Constructor
        Parameters:
        url - URL for this URLReader
        Throws:
        java.lang.NullPointerException - if url is null

      • URLReader

        public URLReader​(java.net.URL url,
                 java.lang.String charsetName)
        Constructor
        Parameters:
        url - URL for this URLReader
        charsetName - Name of the Charset used to convert bytes to chars
        Throws:
        java.lang.NullPointerException - if url is null

      • URLReader

        public URLReader​(java.net.URL url,
                 java.nio.charset.Charset cs)
        Constructor
        Parameters:
        url - URL for this URLReader
        cs - Charset used to convert bytes to chars
        Throws:
        java.lang.NullPointerException - if url is null

    • Method Detail

      • read

        public int read​(char[] cbuf,
                int off,
                int len)
         throws java.io.IOException
        Specified by:
        read in class java.io.Reader
        Throws:
        java.io.IOException

      • close

        public void close()
           throws java.io.IOException
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Specified by:
        close in class java.io.Reader
        Throws:
        java.io.IOException

      • getURL

        public java.net.URL getURL()
        URL of this reader
        Returns:
        the URL from which this reader reads.

      • getCharset

        public java.nio.charset.Charset getCharset()
        Charset used by this reader
        Returns:
        the Charset used to convert bytes to chars