Package org.apache.xbean.asm4.shade.commons

Examples of org.apache.xbean.asm4.shade.commons.EmptyVisitor

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    private void createSelectMethod(Method selectMethod) {
        Class<?> returnType = selectMethod.getReturnType();
       
        Method executeMethod = EjbSelect.getSelectMethod(returnType);
       
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, selectMethod.getName(), Type.getMethodDescriptor(selectMethod), null, getExceptionTypes(selectMethod));
        mv.visitCode();

        // push deploymentInfo
        mv.visitFieldInsn(GETSTATIC, implClassName, "deploymentInfo", "Ljava/lang/Object;");

        // push method signature
        mv.visitLdcInsn(getSelectMethodSignature(selectMethod));

        // push return type, but only if the executeMethod is not going to be for void or
        // one of the primitives.
        if (!returnType.isPrimitive()) {
            mv.visitLdcInsn(returnType.getName());
        }

        // new Object[]
        mv.visitIntInsn(BIPUSH, selectMethod.getParameterTypes().length);
        mv.visitTypeInsn(ANEWARRAY, "java/lang/Object");

        // object[i] = arg${i}
        int i = 0;
        for (Class<?> parameterType : selectMethod.getParameterTypes()) {
            // push arguement i on stack
            mv.visitInsn(DUP);
            bipush(mv, i);
            mv.visitVarInsn(Type.getType(parameterType).getOpcode(ILOAD), i + 1);

            // convert argument on stack to an Object
            Convert.toObjectFrom(mv, parameterType);

            // store it into the array
            mv.visitInsn(AASTORE);

            if (long.class.equals(parameterType) || double.class.equals(parameterType)) {
                // longs and doubles are double wide
                i = i + 2;
            } else {
                i++;
            }
        }

        // EjbSelect.execute_xxxx(deploymentInfo, signature, [returnType.] args[]);
        mv.visitMethodInsn(INVOKESTATIC,
                Type.getInternalName(executeMethod.getDeclaringClass()),
                executeMethod.getName(),
                Type.getMethodDescriptor(executeMethod));

        // if this is a void type, we just return.  Otherwise, the return type
        // needs to match the type returned from the method call
        if (!Void.TYPE.equals(returnType)) {
            // if this is a non-primitive return type, then the returned
            // object will need to be cast to the appropriate return type for
            // the verifier.  The primitive types all have the proper type on the
            // stack already
            if (!returnType.isPrimitive()) {
                // convert return type
                Convert.fromObjectTo(mv, returnType);
            }
           
            // And generate the appropriate return for the type
            mv.visitInsn(Type.getReturnType(selectMethod).getOpcode(IRETURN));
        } else {
            // void return is just a RETURN.
            mv.visitInsn(RETURN);
        }

        // close method
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
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        }

    }

    public void createEjbActivate() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "ejbActivate", "()V", null, null);
        mv.visitCode();
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 1);
        mv.visitEnd();
    }
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        mv.visitMaxs(0, 1);
        mv.visitEnd();
    }

    public void createEjbLoad() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "ejbLoad", "()V", null, null);
        mv.visitCode();
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 1);
        mv.visitEnd();
    }
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        mv.visitMaxs(0, 1);
        mv.visitEnd();
    }

    public void createEjbPassivate() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "ejbPassivate", "()V", null, null);
        mv.visitCode();
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 1);
        mv.visitEnd();
    }
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        mv.visitMaxs(0, 1);
        mv.visitEnd();
    }

    public void createEjbRemove() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "ejbRemove", "()V", null, null);
        mv.visitCode();
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 1);
        mv.visitEnd();
    }
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        mv.visitMaxs(0, 1);
        mv.visitEnd();
    }

    public void createEjbStore() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "ejbStore", "()V", null, null);
        mv.visitCode();
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 1);
        mv.visitEnd();
    }
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        mv.visitMaxs(0, 1);
        mv.visitEnd();
    }

    public void createSetEntityContext() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "setEntityContext", "(Ljavax/ejb/EntityContext;)V", null, null);
        mv.visitCode();
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 2);
        mv.visitEnd();
    }
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        mv.visitMaxs(0, 2);
        mv.visitEnd();
    }

    public void createUnsetEntityContext() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "unsetEntityContext", "()V", null, null);
        mv.visitCode();
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 1);
        mv.visitEnd();
    }
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        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

    private void createOpenEJB_removeCmr() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "OpenEJB_removeCmr", "(Ljava/lang/String;Ljava/lang/Object;)V", null, null);
        mv.visitCode();

        // if (deleted) return;
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, implClassName, DELETED, "Z");
        Label notDeleted = new Label();
        mv.visitJumpInsn(IFEQ, notDeleted);
        mv.visitInsn(RETURN);
        mv.visitLabel(notDeleted);

        for (CmrField cmrField : cmrFields) {
            // if ("${cmrField.name}".equals(name)) {
            //     ${cmrField.name}.remove(value);
            //     return;
            // }
            //
            // OR
            //
            // if ("${cmrField.name}".equals(name)) {
            //     ${cmrField.name} = null;
            //     return;
            // }
            createOpenEJB_removeCmr(mv, cmrField);
        }

        // throw new IllegalArgumentException("Unknown cmr field " + name + " on entity bean of type " + getClass().getName());
        mv.visitTypeInsn(NEW, "java/lang/IllegalArgumentException");
        mv.visitInsn(DUP);
        mv.visitTypeInsn(NEW, "java/lang/StringBuilder");
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V");
        mv.visitLdcInsn("Unknown cmr field ");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
        mv.visitLdcInsn(" on entity bean of type ");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getName", "()Ljava/lang/String;");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;");
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/IllegalArgumentException", "<init>", "(Ljava/lang/String;)V");
        mv.visitInsn(ATHROW);

        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
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     *
     * @param cmpField The CMP field backing this getter method.
     */
    private void createGetter(CmpField cmpField) {
        String methodName = cmpField.getGetterMethod().getName();
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, methodName, "()" + cmpField.getDescriptor(), null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, implClassName, cmpField.getName(), cmpField.getDescriptor());
        mv.visitInsn(cmpField.getType().getOpcode(IRETURN));
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
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Related Classes of org.apache.xbean.asm4.shade.commons.EmptyVisitor

  • org.apache.commons.weaver.Finder
  • org.apache.commons.weaver.Finder$Visitor
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  • org.apache.openejb.config.PersistenceContextAnnFactory$PersistenceContextReader
  • org.apache.openejb.config.PersistenceContextAnnFactory$PersistenceContextVisitor
  • org.apache.openejb.config.rules.KeysAnnotationVisitor
  • org.apache.openejb.config.rules.ValidationKeysAuditorTest
  • org.apache.openejb.core.cmp.cmp2.Cmp1Generator
  • org.apache.openejb.core.cmp.cmp2.Cmp2Generator
  • org.apache.openejb.core.cmp.cmp2.CmrField
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