intarsys runtime library

de.intarsys.tools.reader
Class DirectTagReader

java.lang.Object
  extended by java.io.Reader
      extended by java.io.FilterReader
          extended by de.intarsys.tools.reader.DirectTagReader
All Implemented Interfaces:
Closeable, Readable
Direct Known Subclasses:
EntityDecoder

public class DirectTagReader
extends FilterReader

A Reader that is aware of embedded tags. An example is processing a JSP page, where java is embededd using "<%...%>". After recognizing such a tag, the associated IDirectTagHandler is informed to handle the tag. After handling, the result of the IDirectTagHandler is streamd as a replacement for the tag itself. After streaming the processed tag content, reading the input continues as normal.


Field Summary
static Map DefaultEscapeMap
           
static char ESCAPE_CHARACTER
           
 
Constructor Summary
DirectTagReader(Reader pReader, IDirectTagHandler handler, Object context)
           
DirectTagReader(Reader pReader, IDirectTagHandler handler, Object context, boolean escape)
           
 
Method Summary
 int read()
          Read a character until we encounter a tag.
 int read(char[] cbuf, int off, int len)
           
 void setEndTag(String tag)
           
 void setStartTag(String tag)
           
 
Methods inherited from class java.io.FilterReader
close, mark, markSupported, ready, reset, skip
 
Methods inherited from class java.io.Reader
read, read
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

ESCAPE_CHARACTER

public static final char ESCAPE_CHARACTER
See Also:
Constant Field Values

DefaultEscapeMap

public static final Map DefaultEscapeMap
Constructor Detail

DirectTagReader

public DirectTagReader(Reader pReader,
                       IDirectTagHandler handler,
                       Object context)

DirectTagReader

public DirectTagReader(Reader pReader,
                       IDirectTagHandler handler,
                       Object context,
                       boolean escape)
Method Detail

read

public int read()
         throws IOException
Read a character until we encounter a tag.

Overrides:
read in class FilterReader
Throws:
IOException
See Also:
Reader.read()

read

public int read(char[] cbuf,
                int off,
                int len)
         throws IOException
Overrides:
read in class FilterReader
Throws:
IOException

setEndTag

public void setEndTag(String tag)

setStartTag

public void setStartTag(String tag)

intarsys runtime library

Copyright © 2008 intarsys consulting GmbH. All Rights Reserved.