org.springframework.javassist.bytecode

类 CtClassBuilder

java.lang.Object

org.springframework.javassist.bytecode.CtClassBuilder

所有已实现的接口:

org.apache.commons.lang3.builder.Builder<javassist.CtClass>

直接已知子类:

EndpointApiCtClassBuilder, ReactiveHandlerCtClassBuilder

public class CtClassBuilder
extends Object
implements org.apache.commons.lang3.builder.Builder<javassist.CtClass>

动态构建对象

字段概要

字段

限定符和类型	字段和说明
protected javassist.bytecode.ClassFile	classFile
protected javassist.CtClass	declaring
protected javassist.ClassPool	pool

构造器概要

构造器

构造器和说明
CtClassBuilder(javassist.ClassPool pool, String classname, Class<?> superclass)
CtClassBuilder(String classname)
CtClassBuilder(String classname, Class<?> superclass)

方法概要

限定符和类型	方法和说明
<T> CtClassBuilder	autowired(Class<T> type, String name, boolean required) 添加字段注解 @Autowired 实现对象注入
<T> CtClassBuilder	autowired(Class<T> type, String name, boolean required, String qualifier) 添加字段注解 @Autowired @Qualifier 实现对象注入
CtClassBuilder	autowiredHandler(boolean required, String qualifier) 添加字段注解 @Autowired 实现对象注入
CtClassBuilder	bind(MvcBound bound) 通过给动态类增加 @WebBound注解实现，数据的绑定
CtClassBuilder	bind(String uid, String json) 通过给动态类增加 @WebBound注解实现，数据的绑定
javassist.CtClass	build()
CtClassBuilder	makeField(String src) Compiles the given source code and creates a field.
CtClassBuilder	makeMethod(String src) Compiles the given source code and creates a method.
<T> CtClassBuilder	newField(Class<T> fieldClass, String fieldName, String fieldValue)
CtClassBuilder	removeField(String fieldName)
Class<?>	toClass() javassist在加载类时会用Hashtable将类信息缓存到内存中，这样随着类的加载，内存会越来越大，甚至导致内存溢出。
Object	toInstance(InvocationHandler handler)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

pool

protected javassist.ClassPool pool

declaring

protected javassist.CtClass declaring

classFile

protected javassist.bytecode.ClassFile classFile

构造器详细资料

CtClassBuilder

public CtClassBuilder(String classname)
               throws javassist.CannotCompileException,
                      javassist.NotFoundException

抛出:

javassist.CannotCompileException

javassist.NotFoundException

CtClassBuilder

public CtClassBuilder(String classname,
                      Class<?> superclass)
               throws javassist.CannotCompileException,
                      javassist.NotFoundException

抛出:

javassist.CannotCompileException

javassist.NotFoundException

CtClassBuilder

public CtClassBuilder(javassist.ClassPool pool,
                      String classname,
                      Class<?> superclass)
               throws javassist.CannotCompileException,
                      javassist.NotFoundException

抛出:

javassist.CannotCompileException

javassist.NotFoundException

方法详细资料

autowired

public <T> CtClassBuilder autowired(Class<T> type,
                                    String name,
                                    boolean required)
                             throws javassist.CannotCompileException,
                                    javassist.NotFoundException

添加字段注解 @Autowired 实现对象注入

类型参数:

T - ： 参数泛型

参数:

type - ： The type attribute value of @Autowired

name - ： The name attribute value of @Autowired

required - ： Declares whether the annotated dependency is required.

返回:

CtClassBuilder instance

抛出:

javassist.CannotCompileException - if can't compile

javassist.NotFoundException - if not found

autowiredHandler

public CtClassBuilder autowiredHandler(boolean required,
                                       String qualifier)
                                throws javassist.CannotCompileException,
                                       javassist.NotFoundException

添加字段注解 @Autowired 实现对象注入

参数:

required - ： Declares whether the annotated dependency is required.

qualifier - ： The qualifier attribute value of @Autowired

返回:

CtClassBuilder instance

抛出:

javassist.CannotCompileException - if can't compile

javassist.NotFoundException - if not found

autowired

public <T> CtClassBuilder autowired(Class<T> type,
                                    String name,
                                    boolean required,
                                    String qualifier)
                             throws javassist.CannotCompileException,
                                    javassist.NotFoundException

添加字段注解 @Autowired @Qualifier 实现对象注入

类型参数:

T - ： 参数泛型

参数:

type - ： The type attribute value of @Autowired

name - ： The name attribute value of @Autowired

required - ： Declares whether the annotated dependency is required.

qualifier - ： The qualifier attribute value of @Autowired

返回:

CtClassBuilder instance

抛出:

javassist.CannotCompileException - if can't compile

javassist.NotFoundException - if not found

bind

public CtClassBuilder bind(String uid,
                           String json)

通过给动态类增加 @WebBound注解实现，数据的绑定

参数:

uid - : The value of uid

json - : The value of json

返回:

CtClassBuilder instance

bind

public CtClassBuilder bind(MvcBound bound)

通过给动态类增加 @WebBound注解实现，数据的绑定

参数:

bound - : The MvcBound instance

返回:

CtClassBuilder instance

makeField

public CtClassBuilder makeField(String src)
                         throws javassist.CannotCompileException

Compiles the given source code and creates a field. Examples of the source code are:

 "public String name;"
 "public int k = 3;"

Note that the source code ends with ';' (semicolon).

参数:

src - the source text.

返回:

CtClassBuilder instance

抛出:

javassist.CannotCompileException - if can't compile

newField

public <T> CtClassBuilder newField(Class<T> fieldClass,
                                   String fieldName,
                                   String fieldValue)
                            throws javassist.CannotCompileException,
                                   javassist.NotFoundException

抛出:

javassist.CannotCompileException

javassist.NotFoundException

removeField

public CtClassBuilder removeField(String fieldName)
                           throws javassist.NotFoundException

抛出:

javassist.NotFoundException

makeMethod

public CtClassBuilder makeMethod(String src)
                          throws javassist.CannotCompileException

Compiles the given source code and creates a method. The source code must include not only the method body but the whole declaration, for example,

"public Object id(Object obj) { return obj; }"

参数:

src - the source text.

返回:

CtClassBuilder instance

抛出:

javassist.CannotCompileException - if can't compile

build

public javassist.CtClass build()

指定者:

build 在接口中 org.apache.commons.lang3.builder.Builder<javassist.CtClass>

toClass

public Class<?> toClass()
                 throws javassist.CannotCompileException

javassist在加载类时会用Hashtable将类信息缓存到内存中，这样随着类的加载，内存会越来越大，甚至导致内存溢出。 如果应用中要加载的类比较多，建议在使用完CtClass之后删除缓存

返回:

The Class

抛出:

javassist.CannotCompileException - if can't compile

toInstance

public Object toInstance(InvocationHandler handler)
                  throws javassist.CannotCompileException,
                         javassist.NotFoundException,
                         InstantiationException,
                         IllegalAccessException,
                         IllegalArgumentException,
                         InvocationTargetException,
                         NoSuchMethodException,
                         SecurityException

抛出:

javassist.CannotCompileException

javassist.NotFoundException

InstantiationException

IllegalAccessException

IllegalArgumentException

InvocationTargetException

NoSuchMethodException

SecurityException