Package proguard.examples

Class JarUtil

  • public class JarUtil
extends java.lang.Object
    This utility class provides methods to read and write the classes in jars.

    • Constructor Summary

      Constructors 
      Constructor Description
      JarUtil()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static ClassPool readJar​(java.lang.String jarFileName, boolean isLibrary)
      Reads the classes from the specified jar file and returns them as a class pool.
      static ClassPool readJar​(java.lang.String jarFileName, java.lang.String classNameFilter, boolean isLibrary)
      Reads the classes from the specified jar file and returns them as a class pool.
      static void writeJar​(ClassPool programClassPool, java.lang.String outputJarFileName)
      Writes the classes from the given class pool to a specified jar.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • JarUtil

        public JarUtil()

    • Method Detail

      • readJar

        public static ClassPool readJar​(java.lang.String jarFileName,
                                boolean isLibrary)
                         throws java.io.IOException
        Reads the classes from the specified jar file and returns them as a class pool.
        Parameters:
        jarFileName - the name of the jar file or jmod file.
        isLibrary - specifies whether classes should be represented as ProgramClass instances (for processing) or LibraryClass instances (more compact).
        Returns:
        a new class pool with the read classes.
        Throws:
        java.io.IOException

      • readJar

        public static ClassPool readJar​(java.lang.String jarFileName,
                                java.lang.String classNameFilter,
                                boolean isLibrary)
                         throws java.io.IOException
        Reads the classes from the specified jar file and returns them as a class pool.
        Parameters:
        jarFileName - the name of the jar file or jmod file.
        isLibrary - specifies whether classes should be represented as ProgramClass instances (for processing) or LibraryClass instances (more compact).
        Returns:
        a new class pool with the read classes.
        Throws:
        java.io.IOException

      • writeJar

        public static void writeJar​(ClassPool programClassPool,
                            java.lang.String outputJarFileName)
                     throws java.io.IOException
        Writes the classes from the given class pool to a specified jar.
        Parameters:
        programClassPool - the classes to write.
        outputJarFileName - the name of the output jar file.
        Throws:
        java.io.IOException