/** * Visits a zero operand instruction. * * @param opcode * the opcode of the instruction to be visited. This opcode is * either NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, * ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, * FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, * LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, * IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, * SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, * DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, * IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, * FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, * IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D, * L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S, * LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN, * DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER, * or MONITOREXIT. */ public void visitInsn(int opcode) { if (mv != null) { mv.visitInsn(opcode); } }
switch (ClassWriter.TYPE[opcode]) { case ClassWriter.NOARG_INSN: mv.visitInsn(opcode); u += 1; break;
switch (ClassWriter.TYPE[opcode]) { case ClassWriter.NOARG_INSN: mv.visitInsn(opcode); u += 1; break;
/** * Visits a zero operand instruction. * * @param opcode * the opcode of the instruction to be visited. This opcode is * either NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, * ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, * FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, * LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, * IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, * SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, * DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, * IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, * FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, * IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D, * L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S, * LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN, * DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER, * or MONITOREXIT. */ public void visitInsn(int opcode) { if (mv != null) { mv.visitInsn(opcode); } }
switch (ClassWriter.TYPE[opcode]) { case ClassWriter.NOARG_INSN: mv.visitInsn(opcode); u += 1; break;
/** * Visits a zero operand instruction. * * @param opcode * the opcode of the instruction to be visited. This opcode is * either NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, * ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, * FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, * LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, * IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, * SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, * DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, * IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, * FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, * IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D, * L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S, * LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN, * DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER, * or MONITOREXIT. */ public void visitInsn(int opcode) { if (mv != null) { mv.visitInsn(opcode); } }
switch (ClassWriter.TYPE[opcode]) { case ClassWriter.NOARG_INSN: mv.visitInsn(opcode); u += 1; break;
/** * Visits a zero operand instruction. * * @param opcode * the opcode of the instruction to be visited. This opcode is * either NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, * ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, * FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, * LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, * IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, * SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, * DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, * IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, * FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, * IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D, * L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S, * LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN, * DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER, * or MONITOREXIT. */ public void visitInsn(int opcode) { if (mv != null) { mv.visitInsn(opcode); } }
switch (ClassWriter.TYPE[opcode]) { case ClassWriter.NOARG_INSN: mv.visitInsn(opcode); u += 1; break;
/** * Visits a zero operand instruction. * * @param opcode * the opcode of the instruction to be visited. This opcode is * either NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, * ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, * FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, * LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, * IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, * SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, * DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, * IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, * FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, * IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D, * L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S, * LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN, * DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER, * or MONITOREXIT. */ public void visitInsn(int opcode) { if (mv != null) { mv.visitInsn(opcode); } }
switch (ClassWriter.TYPE[opcode]) { case ClassWriter.NOARG_INSN: mv.visitInsn(opcode); u += 1; break;
/** * Visits a zero operand instruction. * * @param opcode * the opcode of the instruction to be visited. This opcode is * either NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, * ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, * FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, * LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, * IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, * SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, * DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, * IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, * FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, * IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D, * L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S, * LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN, * DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER, * or MONITOREXIT. */ public void visitInsn(int opcode) { if (mv != null) { mv.visitInsn(opcode); } }
switch (ClassWriter.TYPE[opcode]) { case ClassWriter.NOARG_INSN: mv.visitInsn(opcode); u += 1; break;
/** * Visits a zero operand instruction. * * @param opcode * the opcode of the instruction to be visited. This opcode is * either NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, * ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, * FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, * LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, * IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, * SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, * DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, * IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, * FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, * IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D, * L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S, * LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN, * DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER, * or MONITOREXIT. */ public void visitInsn(int opcode) { if (mv != null) { mv.visitInsn(opcode); } }
Class<?> createBeanClass() { ClassWriter writer = new ClassWriter(0); String name = prefix + Integer.toString(generatedClassCounter.addAndGet(1)); writer.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC, name, null, "java/lang/Object", null); MethodVisitor methodVisitor = writer.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V"); methodVisitor.visitInsn(Opcodes.RETURN); methodVisitor.visitMaxs(1, 1); methodVisitor.visitEnd(); writer.visitEnd(); byte[] bytecode = writer.toByteArray(); ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); try { Class<?> result = (Class<?>) defineClassMethod.invoke(classLoader, name.replace("/", "."), bytecode, 0, bytecode.length); LOGGER.fine("Created class " + result.getName()); return result; } catch (Throwable t) { LOGGER.log(Level.SEVERE, "error calling ClassLoader.defineClass", t); return null; } } }
Class<?> createBeanClass() { ClassWriter writer = new ClassWriter(0); String name = prefix + Integer.toString(generatedClassCounter.addAndGet(1)); writer.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC, name, null, "java/lang/Object", null); MethodVisitor methodVisitor = writer.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V"); methodVisitor.visitInsn(Opcodes.RETURN); methodVisitor.visitMaxs(1, 1); methodVisitor.visitEnd(); writer.visitEnd(); byte[] bytecode = writer.toByteArray(); ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); try { Class<?> result = (Class<?>) defineClassMethod.invoke(classLoader, name.replace("/", "."), bytecode, 0, bytecode.length); LOGGER.fine("Created class " + result.getName()); return result; } catch (Throwable t) { LOGGER.log(Level.SEVERE, "error calling ClassLoader.defineClass", t); return null; } } }
Class<?> createBeanClass() { ClassWriter writer = new ClassWriter(0); String name = prefix + Integer.toString(generatedClassCounter.addAndGet(1)); writer.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC, name, null, "java/lang/Object", null); MethodVisitor methodVisitor = writer.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V"); methodVisitor.visitInsn(Opcodes.RETURN); methodVisitor.visitMaxs(1, 1); methodVisitor.visitEnd(); writer.visitEnd(); byte[] bytecode = writer.toByteArray(); ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); try { Class<?> result = (Class<?>) defineClassMethod.invoke(classLoader, name.replace("/", "."), bytecode, 0, bytecode.length); LOGGER.fine("Created class " + result.getName()); return result; } catch (Throwable t) { LOGGER.log(Level.SEVERE, "error calling ClassLoader.defineClass", t); return null; } } }