Class URLs


  • public class URLs
    extends java.lang.Object
    Utility methods related to URLs.
    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private URLs()  
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      private static void checkArgumentCharsetIsSupported​(java.lang.String charsetName)  
      static java.lang.String contentOf​(java.net.URL url, java.lang.String charsetName)
      Loads the text content of a URL into a character string.
      static java.lang.String contentOf​(java.net.URL url, java.nio.charset.Charset charset)
      Loads the text content of a URL into a character string.
      static java.util.List<java.lang.String> linesOf​(java.net.URL url, java.lang.String charsetName)
      Loads the text content of a URL into a list of strings, each string corresponding to a line.
      static java.util.List<java.lang.String> linesOf​(java.net.URL url, java.nio.charset.Charset charset)
      Loads the text content of a URL into a list of strings, each string corresponding to a line.
      private static java.lang.String loadContents​(java.io.InputStream stream, java.nio.charset.Charset charset)  
      private static java.util.List<java.lang.String> loadLines​(java.io.InputStream stream, java.nio.charset.Charset charset)  
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • URLs

        private URLs()
    • Method Detail

      • contentOf

        public static java.lang.String contentOf​(java.net.URL url,
                                                 java.lang.String charsetName)
        Loads the text content of a URL into a character string.
        Parameters:
        url - the URL.
        charsetName - the name of the character set to use.
        Returns:
        the content of the file.
        Throws:
        java.lang.IllegalArgumentException - if the given character set is not supported on this platform.
        java.io.UncheckedIOException - if an I/O exception occurs.
      • contentOf

        public static java.lang.String contentOf​(java.net.URL url,
                                                 java.nio.charset.Charset charset)
        Loads the text content of a URL into a character string.
        Parameters:
        url - the URL.
        charset - the character set to use.
        Returns:
        the content of the URL.
        Throws:
        java.lang.NullPointerException - if the given charset is null.
        java.io.UncheckedIOException - if an I/O exception occurs.
      • linesOf

        public static java.util.List<java.lang.String> linesOf​(java.net.URL url,
                                                               java.nio.charset.Charset charset)
        Loads the text content of a URL into a list of strings, each string corresponding to a line. The line endings are either \n, \r or \r\n.
        Parameters:
        url - the URL.
        charset - the character set to use.
        Returns:
        the content of the URL.
        Throws:
        java.lang.NullPointerException - if the given charset is null.
        java.io.UncheckedIOException - if an I/O exception occurs.
      • linesOf

        public static java.util.List<java.lang.String> linesOf​(java.net.URL url,
                                                               java.lang.String charsetName)
        Loads the text content of a URL into a list of strings, each string corresponding to a line. The line endings are either \n, \r or \r\n.
        Parameters:
        url - the URL.
        charsetName - the name of the character set to use.
        Returns:
        the content of the URL.
        Throws:
        java.lang.NullPointerException - if the given charset is null.
        java.io.UncheckedIOException - if an I/O exception occurs.
      • loadContents

        private static java.lang.String loadContents​(java.io.InputStream stream,
                                                     java.nio.charset.Charset charset)
                                              throws java.io.IOException
        Throws:
        java.io.IOException
      • loadLines

        private static java.util.List<java.lang.String> loadLines​(java.io.InputStream stream,
                                                                  java.nio.charset.Charset charset)
                                                           throws java.io.IOException
        Throws:
        java.io.IOException
      • checkArgumentCharsetIsSupported

        private static void checkArgumentCharsetIsSupported​(java.lang.String charsetName)