ByteCodeHelper (hibernate-core JavaDocs)

java.lang.Object
- org.hibernate.bytecode.spi.ByteCodeHelper

```
public class ByteCodeHelper
extends java.lang.Object
```
A helper for reading byte code from various input sources.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static byte[]`	`readByteCode(java.io.File file)`	Read class definition from a file.
`static byte[]`	`readByteCode(java.io.InputStream inputStream)`	Reads class byte array info from the given input stream.
`static byte[]`	`readByteCode(java.util.zip.ZipInputStream zip)`	Read class definition a zip (jar) file entry.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - readByteCode
```
public static byte[] readByteCode(java.io.InputStream inputStream)
                           throws java.io.IOException
```
    Reads class byte array info from the given input stream. The stream is closed within this method!
    
    Parameters:
    
    inputStream - The stream containing the class binary; null will lead to an IOException
    
    Returns:
    
    The read bytes
    
    Throws:
    
    java.io.IOException - Indicates a problem accessing the given stream.
  - readByteCode
```
public static byte[] readByteCode(java.io.File file)
                           throws java.io.IOException
```
    Read class definition from a file.
    
    Parameters:
    
    file - The file to read.
    
    Returns:
    
    The class bytes
    
    Throws:
    
    java.io.IOException - Indicates a problem accessing the given stream.
  - readByteCode
```
public static byte[] readByteCode(java.util.zip.ZipInputStream zip)
                           throws java.io.IOException
```
    Read class definition a zip (jar) file entry.
    
    Parameters:
    
    zip - The zip entry stream.
    
    Returns:
    
    The class bytes
    
    Throws:
    
    java.io.IOException - Indicates a problem accessing the given stream.