org.melati.util
Class ThrowingPrintWriter

java.lang.Object
  java.io.Writer
      java.io.PrintWriter
          org.melati.util.ThrowingPrintWriter

All Implemented Interfaces:

Closeable, Flushable, Appendable

public final class ThrowingPrintWriter
extends PrintWriter

A PrintWriter which can throw an Exception.

Nested Class Summary

static class	ThrowingPrintWriter.SuperUseException Thrown when a programmer attempts to use super.out.
class	ThrowingPrintWriter.TroubleException Thrown if there is a problem writing to this ThowingPrintWriter.

Field Summary

String

description Description of this PrintWriter.

Fields inherited from class java.io.PrintWriter

out

Fields inherited from class java.io.Writer

lock

Constructor Summary

ThrowingPrintWriter(PrintWriter pw, String description)
Constructor.

Method Summary

boolean	checkError() Delegated method.
void	close() Delegated method.
void	flush() Delegated method.
void	println() Delegated method.
void	throwOnTrouble() Check for problem and throw it if found.
void	write(char[] buf, int off, int len) Delegated method.
void	write(int c) Delegated method.
void	write(String buf, int off, int len) Delegated method.

Methods inherited from class java.io.PrintWriter

append, append, append, clearError, format, format, print, print, print, print, print, print, print, print, print, printf, printf, println, println, println, println, println, println, println, println, println, setError, write, write

Methods inherited from class java.lang.Object

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

Field Detail

description

public final String description

Description of this PrintWriter.

Constructor Detail

ThrowingPrintWriter

public ThrowingPrintWriter(PrintWriter pw,
                           String description)

Constructor.

Parameters:

pw - Preint writer to write to

description - A description

Method Detail

throwOnTrouble

public void throwOnTrouble()

Check for problem and throw it if found.

flush

public void flush()

Delegated method.

Specified by:

flush in interface Flushable

Overrides:

flush in class PrintWriter

See Also:

PrintWriter.flush()

close

public void close()

Delegated method.

Specified by:

close in interface Closeable

Overrides:

close in class PrintWriter

See Also:

PrintWriter.close()

checkError

public boolean checkError()

Delegated method.

Overrides:

checkError in class PrintWriter

See Also:

PrintWriter.checkError()

write

public void write(int c)

Delegated method.

Overrides:

write in class PrintWriter

See Also:

PrintWriter.write(int)

write

public void write(char[] buf,
                  int off,
                  int len)

Delegated method.

Overrides:

write in class PrintWriter

See Also:

PrintWriter.write(char[], int, int)

write

public void write(String buf,
                  int off,
                  int len)

Delegated method.

Overrides:

write in class PrintWriter

See Also:

PrintWriter.write(java.lang.String, int, int)

println

public void println()

Delegated method.

Overrides:

println in class PrintWriter

See Also:

PrintWriter.println()