Examples of javassist.ClassPool.makeClassIfNew()

javassist.ClassPool.makeClassIfNew()
Creates a new class (or interface) from the given class file. If there already exists a class with the same name, this method returns the existing class; a new class is never created from the given class file.
This method is used for creating a CtClass object directly from a class file. The qualified class name is obtained from the class file; you do not have to explicitly give the name. @param classfile the class file. @see #makeClass(InputStream) @see javassist.ByteArrayClassPath @since 3.9

    cp.appendSystemPath();
    cp.appendClassPath( new ClassClassPath( this.getClass() ) );
    cp.appendClassPath( new ClassClassPath( classfile.getClass() ) );


    try {
      cp.makeClassIfNew( new ByteArrayInputStream( classfileBuffer ) );
    }
    catch (IOException e) {
      throw new RuntimeException( e.getMessage(), e );
    }

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    ClassPool cp = new ClassPool();
    cp.appendSystemPath();
    cp.appendClassPath(new ClassClassPath(this.getClass()));
    cp.appendClassPath(new ClassClassPath(classfile.getClass()));
    try {
      cp.makeClassIfNew(new ByteArrayInputStream(classfileBuffer));
    } catch (IOException e) {
      throw new RuntimeException(e.getMessage(), e);
    }
    FieldTransformer transformer = getFieldTransformer( classfile, cp );
    if ( transformer != null ) {

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    cp.appendSystemPath();
    cp.appendClassPath( new ClassClassPath( this.getClass() ) );
    cp.appendClassPath( new ClassClassPath( classfile.getClass() ) );


    try {
      cp.makeClassIfNew( new ByteArrayInputStream( classfileBuffer ) );
    }
    catch (IOException e) {
      throw new RuntimeException( e.getMessage(), e );
    }

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            MigrationResult result = new MigrationResult();


            ClassPool pool = new ClassPool();


            CtClass clazz = pool.makeClassIfNew(new ByteArrayInputStream(oldClassFile));


            clazz.replaceClassName(oldClassName, newClassName);


            @SuppressWarnings("unchecked")
            Class<Serializable> migratedClass = (Class<Serializable>) clazz.toClass();

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