Package org.apache.tomcat.util.bcel.classfile

# Class ClassParser

java.lang.Object
org.apache.tomcat.util.bcel.classfile.ClassParser

public final class ClassParser extends Object
Wrapper class that parses a given Java .class file. The method parse returns a JavaClass object on success. When an I/O error or an inconsistency occurs an appropriate exception is propagated back to the caller. The structure and the names comply, except for a few conveniences, exactly with the JVM specification 1.0. See this paper for further details about the structure of a bytecode file.

## Constructor Summary

Constructors
Constructor
Description
`ClassParser(InputStream inputStream)`
Parses class from the given stream.

## Method Summary

Modifier and Type
Method
Description
`JavaClass`
`parse()`
Parses the given Java class file and return an object that represents the contained data, i.e., constants, methods, fields and commands.

### Methods inherited from class java.lang.Object

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

## Constructor Details

### ClassParser

public ClassParser(InputStream inputStream)
Parses class from the given stream.

Parameters:
  `inputStream` - Input stream

## Method Details

### parse

public JavaClass parse() throws IOException, ClassFormatException
Parses the given Java class file and return an object that represents the contained data, i.e., constants, methods, fields and commands. A ClassFormatException is raised, if the file is not a valid .class file. (This does not include verification of the byte code as it is performed by the Java interpreter).

Returns:
  Class object representing the parsed class file
Throws:
  `IOException` - if an I/O error occurs.
  `ClassFormatException` - if a class is malformed or cannot be interpreted as a class file