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JMockit is a Java toolkit for automated developer testing.
It contains mocking/faking APIs and a code coverage tool, supporting both JUnit and TestNG.
The mocking APIs allow all kinds of Java code, without testability restrictions, to be tested
in isolation from selected dependencies.
package mockit.external.asm;
import javax.annotation.*;
/**
* Same as {@link ClassVisitor}, except it wraps another {@code ClassVisitor}.
*/
public class WrappingClassVisitor extends ClassVisitor
{
/**
* The class visitor to which this visitor must delegate method calls.
*/
@Nonnull protected final ClassVisitor cv;
/**
* Constructs a new {@link WrappingClassVisitor}.
*
* @param cv the class visitor to which this visitor must delegate method calls.
*/
protected WrappingClassVisitor(@Nonnull ClassVisitor cv) { this.cv = cv; }
/**
* Visits the header of the class.
*
* @param version
* the class version.
* @param access
* the class's access flags (see {@link Opcodes}). This parameter
* also indicates if the class is deprecated.
* @param name
* the internal name of the class (see
* {@link Type#getInternalName() getInternalName}).
* @param signature
* the signature of this class. May be null if the class
* is not a generic one, and does not extend or implement generic
* classes or interfaces.
* @param superName
* the internal of name of the super class (see
* {@link Type#getInternalName() getInternalName}). For
* interfaces, the super class is {@link Object}. May be
* null, but only for the {@link Object} class.
* @param interfaces
* the internal names of the class's interfaces (see
* {@link Type#getInternalName() getInternalName}). May be
* null.
*/
@Override
public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
cv.visit(version, access, name, signature, superName, interfaces);
}
/**
* Visits the source of the class.
*
* @param source
* the name of the source file from which the class was compiled.
* May be null.
* @param debug
* additional debug information to compute the correspondence
* between source and compiled elements of the class. May be
* null.
*/
@Override
public void visitSource(String source, String debug) {
cv.visitSource(source, debug);
}
/**
* Visits the enclosing class of the class. This method must be called only
* if the class has an enclosing class.
*
* @param owner
* internal name of the enclosing class of the class.
* @param name
* the name of the method that contains the class, or
* null if the class is not enclosed in a method of its
* enclosing class.
* @param desc
* the descriptor of the method that contains the class, or
* null if the class is not enclosed in a method of its
* enclosing class.
*/
@Override
public void visitOuterClass(String owner, String name, String desc) {
cv.visitOuterClass(owner, name, desc);
}
/**
* Visits an annotation of the class.
*
* @param desc the class descriptor of the annotation class.
* @param visible true if the annotation is visible at runtime.
* @return a visitor to visit the annotation values, or null if
* this visitor is not interested in visiting this annotation.
*/
@Override
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
return cv.visitAnnotation(desc, visible);
}
/**
* Visits a non standard attribute of the class.
*
* @param attr
* an attribute.
*/
@Override
public void visitAttribute(Attribute attr) {
cv.visitAttribute(attr);
}
/**
* Visits information about an inner class. This inner class is not
* necessarily a member of the class being visited.
*
* @param name
* the internal name of an inner class (see
* {@link Type#getInternalName() getInternalName}).
* @param outerName
* the internal name of the class to which the inner class
* belongs (see {@link Type#getInternalName() getInternalName}).
* May be null for not member classes.
* @param innerName
* the (simple) name of the inner class inside its enclosing
* class. May be null for anonymous inner classes.
* @param access
* the access flags of the inner class as originally declared in
* the enclosing class.
*/
@Override
public void visitInnerClass(String name, String outerName, String innerName, int access) {
cv.visitInnerClass(name, outerName, innerName, access);
}
/**
* Visits a field of the class.
*
* @param access
* the field's access flags (see {@link Opcodes}). This parameter
* also indicates if the field is synthetic and/or deprecated.
* @param name
* the field's name.
* @param desc
* the field's descriptor (see {@link Type Type}).
* @param signature
* the field's signature. May be null if the field's
* type does not use generic types.
* @param value
* the field's initial value. This parameter, which may be
* null if the field does not have an initial value,
* must be an {@link Integer}, a {@link Float}, a {@link Long}, a
* {@link Double} or a {@link String} (for int,
* float, long or String fields
* respectively). This parameter is only used for static
* fields. Its value is ignored for non static fields, which
* must be initialized through bytecode instructions in
* constructors or methods.
* @return a visitor to visit field annotations and attributes, or
* null if this class visitor is not interested in visiting
* these annotations and attributes.
*/
@Override
public FieldVisitor visitField(int access, String name, String desc, String signature, Object value) {
return cv.visitField(access, name, desc, signature, value);
}
/**
* Visits a method of the class. This method must return a new
* {@link MethodVisitor} instance (or null) each time it is called,
* i.e., it should not return a previously returned visitor.
*
* @param access
* the method's access flags (see {@link Opcodes}). This
* parameter also indicates if the method is synthetic and/or
* deprecated.
* @param name
* the method's name.
* @param desc
* the method's descriptor (see {@link Type Type}).
* @param signature
* the method's signature. May be null if the method
* parameters, return type and exceptions do not use generic
* types.
* @param exceptions
* the internal names of the method's exception classes (see
* {@link Type#getInternalName() getInternalName}). May be
* null.
* @return an object to visit the byte code of the method, or null
* if this class visitor is not interested in visiting the code of
* this method.
*/
@Override
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
return cv.visitMethod(access, name, desc, signature, exceptions);
}
/**
* Visits the end of the class. This method, which is the last one to be
* called, is used to inform the visitor that all the fields and methods of
* the class have been visited.
*/
@Override
public void visitEnd() {
cv.visitEnd();
}
@Override
public final byte[] toByteArray() { return cv.toByteArray(); }
}