the.bytecode.club.bytecodeviewer

Class JarUtils

java.lang.Object

the.bytecode.club.bytecodeviewer.JarUtils

public class JarUtils
extends java.lang.Object

Loading and saving jars

Author:

Konloch, WaterWolf

Constructor Summary

Constructors

Constructor and Description
JarUtils()

Method Summary

Modifier and Type	Method and Description
static byte[]	getBytes(java.io.InputStream is) Reads an InputStream and returns the read byte[]
static org.objectweb.asm.tree.ClassNode	getNode(byte[] bytez) Creates a new ClassNode instances from the provided byte[]
static void	loadResources(java.io.File zipFile) Loads resources only, just for .APK
static void	put(java.io.File jarFile, java.util.HashMap<java.lang.String,org.objectweb.asm.tree.ClassNode> clazzList) Loads the classes and resources from the input jar file
static void	saveAsJar(java.util.ArrayList<org.objectweb.asm.tree.ClassNode> nodeList, java.lang.String path) Saves a jar without the manifest
static void	saveAsJar(java.util.ArrayList<org.objectweb.asm.tree.ClassNode> nodeList, java.lang.String path, java.lang.String manifest) Saves as jar with manifest

Methods inherited from class java.lang.Object

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

Constructor Detail

JarUtils

public JarUtils()

Method Detail

put

public static void put(java.io.File jarFile,
                       java.util.HashMap<java.lang.String,org.objectweb.asm.tree.ClassNode> clazzList)
                throws java.io.IOException

Loads the classes and resources from the input jar file

Parameters:

jarFile - the input jar file

clazzList - the existing map of loaded classes

Throws:

java.io.IOException

loadResources

public static void loadResources(java.io.File zipFile)
                          throws java.io.IOException

Loads resources only, just for .APK

Parameters:

zipFile - the input zip file

Throws:

java.io.IOException

getBytes

public static byte[] getBytes(java.io.InputStream is)
                       throws java.io.IOException

Reads an InputStream and returns the read byte[]

Parameters:

the - InputStream

Returns:

the read byte[]

Throws:

java.io.IOException

getNode

public static org.objectweb.asm.tree.ClassNode getNode(byte[] bytez)

Creates a new ClassNode instances from the provided byte[]

Parameters:

bytez - the class file's byte[]

Returns:

the ClassNode instance

saveAsJar

public static void saveAsJar(java.util.ArrayList<org.objectweb.asm.tree.ClassNode> nodeList,
                             java.lang.String path,
                             java.lang.String manifest)

Saves as jar with manifest

Parameters:

nodeList - the loaded ClassNodes

path - the exact path of the output jar file

manifest - the manifest contents

saveAsJar

public static void saveAsJar(java.util.ArrayList<org.objectweb.asm.tree.ClassNode> nodeList,
                             java.lang.String path)

Saves a jar without the manifest

Parameters:

nodeList - The loaded ClassNodes

path - the exact jar output path