Java 类com.alibaba.fastjson.asm.ASMException 实例源码

public static Class<?> getCollectionItemClass(Type fieldType) {
    if (fieldType instanceof ParameterizedType) {
        Class<?> itemClass;
        Type actualTypeArgument = ((ParameterizedType) fieldType).getActualTypeArguments()[0];

        if (actualTypeArgument instanceof Class) {
            itemClass = (Class<?>) actualTypeArgument;
            if (!Modifier.isPublic(itemClass.getModifiers())) {
                throw new ASMException("can not create ASMParser");
            }
        } else {
            throw new ASMException("can not create ASMParser");
        }
        return itemClass;
    }

    return Object.class;
}

private Class<?> getCollectionItemClass(Type fieldType) {
    if (fieldType instanceof ParameterizedType) {
        Class<?> itemClass;
        Type actualTypeArgument = ((ParameterizedType) fieldType).getActualTypeArguments()[0];

        if (actualTypeArgument instanceof Class) {
            itemClass = (Class<?>) actualTypeArgument;
            if (!Modifier.isPublic(itemClass.getModifiers())) {
                throw new ASMException("can not create ASMParser");
            }
        } else {
            throw new ASMException("can not create ASMParser");
        }
        return itemClass;
    }

    return Object.class;
}

private Class<?> getCollectionItemClass(Type fieldType) {
    if (!(fieldType instanceof ParameterizedType)) {
        return Object.class;
    }
    Type actualTypeArgument = ((ParameterizedType) fieldType).getActualTypeArguments()[0];
    if (actualTypeArgument instanceof Class) {
        Class<?> cls = (Class) actualTypeArgument;
        if (Modifier.isPublic(cls.getModifiers())) {
            return cls;
        }
        throw new ASMException("can not create ASMParser");
    }
    throw new ASMException("can not create ASMParser");
}

public ObjectDeserializer createJavaBeanDeserializer(Class<?> clazz, Type type) {
    boolean asmEnable = this.asmEnable;
    if (asmEnable) {
        Class<?> superClass = clazz;
        while (Modifier.isPublic(superClass.getModifiers())) {
            superClass = superClass.getSuperclass();
            if (superClass != Object.class) {
                if (superClass == null) {
                    break;
                }
            }
            break;
        }
        asmEnable = false;
    }
    if (clazz.getTypeParameters().length != 0) {
        asmEnable = false;
    }
    if (asmEnable && this.asmFactory != null && this.asmFactory.isExternalClass(clazz)) {
        asmEnable = false;
    }
    if (asmEnable) {
        asmEnable = ASMUtils.checkName(clazz.getName());
    }
    if (asmEnable) {
        if (clazz.isInterface()) {
            asmEnable = false;
        }
        DeserializeBeanInfo beanInfo = DeserializeBeanInfo.computeSetters(clazz, type);
        if (beanInfo.getFieldList().size() > 200) {
            asmEnable = false;
        }
        if (beanInfo.getDefaultConstructor() == null && !clazz.isInterface()) {
            asmEnable = false;
        }
        for (FieldInfo fieldInfo : beanInfo.getFieldList()) {
            if (fieldInfo.isGetOnly()) {
                asmEnable = false;
                break;
            }
            Class<?> fieldClass = fieldInfo.getFieldClass();
            if (!Modifier.isPublic(fieldClass.getModifiers())) {
                asmEnable = false;
                break;
            }
            if (fieldClass.isMemberClass() && !Modifier.isStatic(fieldClass.getModifiers())) {
                asmEnable = false;
            }
            if (!ASMUtils.checkName(fieldInfo.getMember().getName())) {
                asmEnable = false;
            }
        }
    }
    if (asmEnable && clazz.isMemberClass() && !Modifier.isStatic(clazz.getModifiers())) {
        asmEnable = false;
    }
    if (!asmEnable) {
        return new JavaBeanDeserializer(this, clazz, type);
    }
    try {
        return this.asmFactory.createJavaBeanDeserializer(this, clazz, type);
    } catch (NoSuchMethodException e) {
        return new JavaBeanDeserializer(this, clazz, type);
    } catch (ASMException e2) {
        return new JavaBeanDeserializer(this, clazz, type);
    } catch (Exception e3) {
        throw new JSONException("create asm deserializer error, " + clazz.getName(), e3);
    }
}

public ObjectDeserializer createJavaBeanDeserializer(Class<?> clazz, Type type) {
    boolean asmEnable = this.asmEnable;
    if (asmEnable) {
        Class<?> superClass = clazz;

        for (;;) {
            if (!Modifier.isPublic(superClass.getModifiers())) {
                asmEnable = false;
                break;
            }

            superClass = superClass.getSuperclass();
            if (superClass == Object.class || superClass == null) {
                break;
            }
        }
    }

    if (clazz.getTypeParameters().length != 0) {
        asmEnable = false;
    }

    if (asmFactory.isExternalClass(clazz)) {
        asmEnable = false;
    }

    if (asmEnable) {
        if (clazz.isInterface()) {
            asmEnable = false;
        }
        DeserializeBeanInfo beanInfo = DeserializeBeanInfo.computeSetters(clazz, type);
        if (beanInfo.getFieldList().size() > 200) {
            asmEnable = false;
        }

        Constructor<?> defaultConstructor = beanInfo.getDefaultConstructor();
        if (defaultConstructor == null && !clazz.isInterface()) {
            asmEnable = false;
        }

        for (FieldInfo fieldInfo : beanInfo.getFieldList()) {
            if (fieldInfo.isGetOnly()) {
                asmEnable = false;
                break;
            }

            Class<?> fieldClass = fieldInfo.getFieldClass();
            if (!Modifier.isPublic(fieldClass.getModifiers())) {
                asmEnable = false;
                break;
            }

            if (fieldClass.isMemberClass() && !Modifier.isStatic(fieldClass.getModifiers())) {
                asmEnable = false;
            }
        }
    }

    if (asmEnable) {
        if (clazz.isMemberClass() && !Modifier.isStatic(clazz.getModifiers())) {
            asmEnable = false;
        }
    }

    if (!asmEnable) {
        return new JavaBeanDeserializer(this, clazz, type);
    }

    try {
        return asmFactory.createJavaBeanDeserializer(this, clazz, type);
        // } catch (VerifyError e) {
        // e.printStackTrace();
        // return new JavaBeanDeserializer(this, clazz, type);
    } catch (NoSuchMethodException ex) {
        return new JavaBeanDeserializer(this, clazz, type);
    } catch (ASMException asmError) {
        return new JavaBeanDeserializer(this, clazz, type);
    } catch (Exception e) {
        throw new JSONException("create asm deserializer error, " + clazz.getName(), e);
    }
}