Package net.n3.nanoxml

Class StdXMLReader

java.lang.Object
net.n3.nanoxml.StdXMLReader
All Implemented Interfaces:
IXMLReader
public class StdXMLReader extends Object implements IXMLReader
StdXMLReader reads the data to be parsed.
Version:
$Name: RELEASE_2_2_1 $, $Revision: 1.4 $
Author:
Marc De Scheemaecker

  • Constructor Details

    • StdXMLReader

      public StdXMLReader(String publicID, String systemID) throws MalformedURLException, FileNotFoundException, IOException
      Initializes the reader from a system and public ID.
      Parameters:
      publicID - the public ID which may be null.
      systemID - the non-null system ID.
      Throws:
      MalformedURLException - if the system ID does not contain a valid URL
      FileNotFoundException - if the system ID refers to a local file which does not exist
      IOException - if an error occurred opening the stream

    • StdXMLReader

      public StdXMLReader(Reader reader)
      Initializes the XML reader.
      Parameters:
      reader - the input for the XML data.

    • StdXMLReader

      public StdXMLReader(InputStream stream) throws IOException
      Initializes the XML reader.
      Parameters:
      stream - the input for the XML data.
      Throws:
      IOException - if an I/O error occurred

  • Method Details

    • stringReader

      public static IXMLReader stringReader(String str)
      Creates a new reader using a string as input.
      Parameters:
      str - the string containing the XML data

    • fileReader

      public static IXMLReader fileReader(String filename) throws FileNotFoundException, IOException
      Creates a new reader using a file as input.
      Parameters:
      filename - the name of the file containing the XML data
      Throws:
      FileNotFoundException - if the file could not be found
      IOException - if an I/O error occurred

    • finalize

      protected void finalize() throws Throwable
      Cleans up the object when it's destroyed.
      Overrides:
      finalize in class Object
      Throws:
      Throwable

    • getEncoding

      protected String getEncoding(String str)
      Scans the encoding from an <?xml...?> tag.
      Parameters:
      str - the first tag in the XML data.
      Returns:
      the encoding, or null if no encoding has been specified.

    • stream2reader

      protected Reader stream2reader(InputStream stream, StringBuffer charsRead) throws IOException
      Converts a stream to a reader while detecting the encoding.
      Parameters:
      stream - the input for the XML data.
      charsRead - buffer where to put characters that have been read
      Throws:
      IOException - if an I/O error occurred

    • read

      public char read() throws IOException
      Reads a character.
      Specified by:
      read in interface IXMLReader
      Returns:
      the character
      Throws:
      IOException - if no character could be read

    • atEOFOfCurrentStream

      public boolean atEOFOfCurrentStream() throws IOException
      Returns true if the current stream has no more characters left to be read.
      Specified by:
      atEOFOfCurrentStream in interface IXMLReader
      Throws:
      IOException - if an I/O error occurred

    • atEOF

      public boolean atEOF() throws IOException
      Returns true if there are no more characters left to be read.
      Specified by:
      atEOF in interface IXMLReader
      Throws:
      IOException - if an I/O error occurred

    • unread

      public void unread(char ch) throws IOException
      Pushes the last character read back to the stream.
      Specified by:
      unread in interface IXMLReader
      Parameters:
      ch - the character to push back.
      Throws:
      IOException - if an I/O error occurred

    • openStream

      public Reader openStream(String publicID, String systemID) throws MalformedURLException, FileNotFoundException, IOException
      Opens a stream from a public and system ID.
      Specified by:
      openStream in interface IXMLReader
      Parameters:
      publicID - the public ID, which may be null
      systemID - the system ID, which is never null
      Throws:
      MalformedURLException - if the system ID does not contain a valid URL
      FileNotFoundException - if the system ID refers to a local file which does not exist
      IOException - if an error occurred opening the stream

    • startNewStream

      public void startNewStream(Reader reader)
      Starts a new stream from a Java reader. The new stream is used temporary to read data from. If that stream is exhausted, control returns to the parent stream.
      Specified by:
      startNewStream in interface IXMLReader
      Parameters:
      reader - the non-null reader to read the new data from

    • startNewStream

      public void startNewStream(Reader reader, boolean isInternalEntity)
      Starts a new stream from a Java reader. The new stream is used temporary to read data from. If that stream is exhausted, control returns to the parent stream.
      Specified by:
      startNewStream in interface IXMLReader
      Parameters:
      reader - the non-null reader to read the new data from
      isInternalEntity - true if the reader is produced by resolving an internal entity

    • getStreamLevel

      public int getStreamLevel()
      Returns the current "level" of the stream on the stack of streams.
      Specified by:
      getStreamLevel in interface IXMLReader

    • getLineNr

      public int getLineNr()
      Returns the line number of the data in the current stream.
      Specified by:
      getLineNr in interface IXMLReader

    • setSystemID

      public void setSystemID(String systemID) throws MalformedURLException
      Sets the system ID of the current stream.
      Specified by:
      setSystemID in interface IXMLReader
      Parameters:
      systemID - the system ID
      Throws:
      MalformedURLException - if the system ID does not contain a valid URL

    • setPublicID

      public void setPublicID(String publicID)
      Sets the public ID of the current stream.
      Specified by:
      setPublicID in interface IXMLReader
      Parameters:
      publicID - the public ID

    • getSystemID

      public String getSystemID()
      Returns the current system ID.
      Specified by:
      getSystemID in interface IXMLReader

    • getPublicID

      public String getPublicID()
      Returns the current public ID.
      Specified by:
      getPublicID in interface IXMLReader