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StackTrace.Parser (JBoss/Common API) - JBoss 4.0.1 sp1 common API Documentation 英文版文档

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org.jboss.util
Class StackTrace.Parser

java.lang.Object
  org.jboss.util.StackTrace.Parser

Enclosing class:

StackTrace

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public static class StackTrace.Parser

extends Object

A parser which takes a standard Throwable and produces StackTrace.Entry objects.

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Constructor Summary

StackTrace.Parser()

 

Method Summary
protected  StackTrace.Entry	createEntry(String raw)           Create a stack trace entry for the given raw trace entry.
protected  BufferedReader	createReader(Throwable detail)           Create a reader for the trace of the given Throwable.
static StackTrace.Parser	getInstance()           Get the stack trace parser for this virtual machine.
List	parse(Throwable detail, int level, int limit)           Parse a Throwable stack trace.
protected  byte[]	readBytes(Throwable detail)           Read a throwable stack trace as an array of bytes.
protected  void	setLevel(BufferedReader reader, int level)           Skip to the correct level of the stack (going down into the stack).
protected  void	skipDescription(BufferedReader reader)           Skip the throwable description of the trace.

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

StackTrace.Parser

public StackTrace.Parser()

Method Detail

skipDescription

protected void skipDescription(BufferedReader reader)
                        throws IOException

Skip the throwable description of the trace.

Parameters:

reader - Reader representing the trace.

Throws:

IOException

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setLevel

protected void setLevel(BufferedReader reader,
                        int level)
                 throws IOException

Skip to the correct level of the stack (going down into the stack).

Parameters:

reader - Reader representing the stack trace.

level - Number of levels to go down.

Throws:

IOException

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readBytes

protected byte[] readBytes(Throwable detail)
                    throws IOException

Read a throwable stack trace as an array of bytes.

Parameters:

detail - Throwable to get trace from.

Returns:

Throwable stack trace as an array of bytes.

Throws:

IOException

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createReader

protected BufferedReader createReader(Throwable detail)
                               throws IOException

Create a reader for the trace of the given Throwable.

Parameters:

detail - Thorwable to get trace from.

Returns:

Reader for the throwable stack trace.

Throws:

IOException

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parse

public List parse(Throwable detail,
                  int level,
                  int limit)
           throws IOException

Parse a Throwable stack trace.

Parameters:

detail - Throwable to get trace from.

level - Number of levels down to begin parsing.

limit - The maximum number of entries to parse (does not include skipped levels or the description). A value <= zero results in all entries being parsed.

Returns:

List of StackTrace.Entry objects.

Throws:

IOException

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createEntry

protected StackTrace.Entry createEntry(String raw)
                                throws IOException

Create a stack trace entry for the given raw trace entry.

Parameters:

raw - Raw stack trace entry.

Returns:

Stack trace entry.

Throws:

IOException

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getInstance

public static final StackTrace.Parser getInstance()
                                           throws InstantiationException

Get the stack trace parser for this virtual machine.

Returns:

Stack trace parser

Throws:

InstantiationException

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