org.springframework.cglib.core.ReflectUtils Java Examples
The following examples show how to use
org.springframework.cglib.core.ReflectUtils.
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Example #1
Source Project: spring-analysis-note Author: Vip-Augus File: Enhancer.java License: MIT License | 6 votes |
public EnhancerFactoryData(Class generatedClass, Class[] primaryConstructorArgTypes, boolean classOnly) { this.generatedClass = generatedClass; try { setThreadCallbacks = getCallbacksSetter(generatedClass, SET_THREAD_CALLBACKS_NAME); if (classOnly) { this.primaryConstructorArgTypes = null; this.primaryConstructor = null; } else { this.primaryConstructorArgTypes = primaryConstructorArgTypes; this.primaryConstructor = ReflectUtils.getConstructor(generatedClass, primaryConstructorArgTypes); } } catch (NoSuchMethodException e) { throw new CodeGenerationException(e); } }
Example #2
Source Project: spring-analysis-note Author: Vip-Augus File: Enhancer.java License: MIT License | 6 votes |
/** * Creates proxy instance for given argument types, and assigns the callbacks. * Ideally, for each proxy class, just one set of argument types should be used, * otherwise it would have to spend time on constructor lookup. * Technically, it is a re-implementation of {@link Enhancer#createUsingReflection(Class)}, * with "cache {@link #setThreadCallbacks} and {@link #primaryConstructor}" * @param argumentTypes constructor argument types * @param arguments constructor arguments * @param callbacks callbacks to set for the new instance * @return newly created proxy * @see #createUsingReflection(Class) */ public Object newInstance(Class[] argumentTypes, Object[] arguments, Callback[] callbacks) { setThreadCallbacks(callbacks); try { // Explicit reference equality is added here just in case Arrays.equals does not have one if (primaryConstructorArgTypes == argumentTypes || Arrays.equals(primaryConstructorArgTypes, argumentTypes)) { // If we have relevant Constructor instance at hand, just call it // This skips "get constructors" machinery return ReflectUtils.newInstance(primaryConstructor, arguments); } // Take a slow path if observing unexpected argument types return ReflectUtils.newInstance(generatedClass, argumentTypes, arguments); } finally { // clear thread callbacks to allow them to be gc'd setThreadCallbacks(null); } }
Example #3
Source Project: spring-analysis-note Author: Vip-Augus File: Enhancer.java License: MIT License | 6 votes |
private static void getMethods(Class superclass, Class[] interfaces, List methods, List interfaceMethods, Set forcePublic) { ReflectUtils.addAllMethods(superclass, methods); List target = (interfaceMethods != null) ? interfaceMethods : methods; if (interfaces != null) { for (int i = 0; i < interfaces.length; i++) { if (interfaces[i] != Factory.class) { ReflectUtils.addAllMethods(interfaces[i], target); } } } if (interfaceMethods != null) { if (forcePublic != null) { forcePublic.addAll(MethodWrapper.createSet(interfaceMethods)); } methods.addAll(interfaceMethods); } CollectionUtils.filter(methods, new RejectModifierPredicate(Constants.ACC_STATIC)); CollectionUtils.filter(methods, new VisibilityPredicate(superclass, true)); CollectionUtils.filter(methods, new DuplicatesPredicate()); CollectionUtils.filter(methods, new RejectModifierPredicate(Constants.ACC_FINAL)); }
Example #4
Source Project: spring-analysis-note Author: Vip-Augus File: Enhancer.java License: MIT License | 6 votes |
/** * Instantiates a proxy instance and assigns callback values. * Implementation detail: java.lang.reflect instances are not cached, so this method should not * be used on a hot path. * This method is used when {@link #setUseCache(boolean)} is set to {@code false}. * @param type class to instantiate * @return newly created instance */ private Object createUsingReflection(Class type) { setThreadCallbacks(type, callbacks); try { if (argumentTypes != null) { return ReflectUtils.newInstance(type, argumentTypes, arguments); } else { return ReflectUtils.newInstance(type); } } finally { // clear thread callbacks to allow them to be gc'd setThreadCallbacks(type, null); } }
Example #5
Source Project: java-technology-stack Author: codeEngraver File: Enhancer.java License: MIT License | 6 votes |
public EnhancerFactoryData(Class generatedClass, Class[] primaryConstructorArgTypes, boolean classOnly) { this.generatedClass = generatedClass; try { setThreadCallbacks = getCallbacksSetter(generatedClass, SET_THREAD_CALLBACKS_NAME); if (classOnly) { this.primaryConstructorArgTypes = null; this.primaryConstructor = null; } else { this.primaryConstructorArgTypes = primaryConstructorArgTypes; this.primaryConstructor = ReflectUtils.getConstructor(generatedClass, primaryConstructorArgTypes); } } catch (NoSuchMethodException e) { throw new CodeGenerationException(e); } }
Example #6
Source Project: java-technology-stack Author: codeEngraver File: Enhancer.java License: MIT License | 6 votes |
/** * Creates proxy instance for given argument types, and assigns the callbacks. * Ideally, for each proxy class, just one set of argument types should be used, * otherwise it would have to spend time on constructor lookup. * Technically, it is a re-implementation of {@link Enhancer#createUsingReflection(Class)}, * with "cache {@link #setThreadCallbacks} and {@link #primaryConstructor}" * @param argumentTypes constructor argument types * @param arguments constructor arguments * @param callbacks callbacks to set for the new instance * @return newly created proxy * @see #createUsingReflection(Class) */ public Object newInstance(Class[] argumentTypes, Object[] arguments, Callback[] callbacks) { setThreadCallbacks(callbacks); try { // Explicit reference equality is added here just in case Arrays.equals does not have one if (primaryConstructorArgTypes == argumentTypes || Arrays.equals(primaryConstructorArgTypes, argumentTypes)) { // If we have relevant Constructor instance at hand, just call it // This skips "get constructors" machinery return ReflectUtils.newInstance(primaryConstructor, arguments); } // Take a slow path if observing unexpected argument types return ReflectUtils.newInstance(generatedClass, argumentTypes, arguments); } finally { // clear thread callbacks to allow them to be gc'd setThreadCallbacks(null); } }
Example #7
Source Project: java-technology-stack Author: codeEngraver File: Enhancer.java License: MIT License | 6 votes |
private static void getMethods(Class superclass, Class[] interfaces, List methods, List interfaceMethods, Set forcePublic) { ReflectUtils.addAllMethods(superclass, methods); List target = (interfaceMethods != null) ? interfaceMethods : methods; if (interfaces != null) { for (int i = 0; i < interfaces.length; i++) { if (interfaces[i] != Factory.class) { ReflectUtils.addAllMethods(interfaces[i], target); } } } if (interfaceMethods != null) { if (forcePublic != null) { forcePublic.addAll(MethodWrapper.createSet(interfaceMethods)); } methods.addAll(interfaceMethods); } CollectionUtils.filter(methods, new RejectModifierPredicate(Constants.ACC_STATIC)); CollectionUtils.filter(methods, new VisibilityPredicate(superclass, true)); CollectionUtils.filter(methods, new DuplicatesPredicate()); CollectionUtils.filter(methods, new RejectModifierPredicate(Constants.ACC_FINAL)); }
Example #8
Source Project: java-technology-stack Author: codeEngraver File: Enhancer.java License: MIT License | 6 votes |
/** * Instantiates a proxy instance and assigns callback values. * Implementation detail: java.lang.reflect instances are not cached, so this method should not * be used on a hot path. * This method is used when {@link #setUseCache(boolean)} is set to {@code false}. * @param type class to instantiate * @return newly created instance */ private Object createUsingReflection(Class type) { setThreadCallbacks(type, callbacks); try { if (argumentTypes != null) { return ReflectUtils.newInstance(type, argumentTypes, arguments); } else { return ReflectUtils.newInstance(type); } } finally { // clear thread callbacks to allow them to be gc'd setThreadCallbacks(type, null); } }
Example #9
Source Project: spring-analysis-note Author: Vip-Augus File: Enhancer.java License: MIT License | 5 votes |
private Object createHelper() { preValidate(); Object key = KEY_FACTORY.newInstance((superclass != null) ? superclass.getName() : null, ReflectUtils.getNames(interfaces), filter == ALL_ZERO ? null : new WeakCacheKey<CallbackFilter>(filter), callbackTypes, useFactory, interceptDuringConstruction, serialVersionUID); this.currentKey = key; Object result = super.create(key); return result; }
Example #10
Source Project: spring-analysis-note Author: Vip-Augus File: Enhancer.java License: MIT License | 5 votes |
@Override protected Class generate(ClassLoaderData data) { validate(); if (superclass != null) { setNamePrefix(superclass.getName()); } else if (interfaces != null) { setNamePrefix(interfaces[ReflectUtils.findPackageProtected(interfaces)].getName()); } return super.generate(data); }
Example #11
Source Project: spring-analysis-note Author: Vip-Augus File: Enhancer.java License: MIT License | 5 votes |
protected ProtectionDomain getProtectionDomain() { if (superclass != null) { return ReflectUtils.getProtectionDomain(superclass); } else if (interfaces != null) { return ReflectUtils.getProtectionDomain(interfaces[0]); } else { return null; } }
Example #12
Source Project: java-technology-stack Author: codeEngraver File: Enhancer.java License: MIT License | 5 votes |
private Object createHelper() { preValidate(); Object key = KEY_FACTORY.newInstance((superclass != null) ? superclass.getName() : null, ReflectUtils.getNames(interfaces), filter == ALL_ZERO ? null : new WeakCacheKey<CallbackFilter>(filter), callbackTypes, useFactory, interceptDuringConstruction, serialVersionUID); this.currentKey = key; Object result = super.create(key); return result; }
Example #13
Source Project: java-technology-stack Author: codeEngraver File: Enhancer.java License: MIT License | 5 votes |
@Override protected Class generate(ClassLoaderData data) { validate(); if (superclass != null) { setNamePrefix(superclass.getName()); } else if (interfaces != null) { setNamePrefix(interfaces[ReflectUtils.findPackageProtected(interfaces)].getName()); } return super.generate(data); }
Example #14
Source Project: java-technology-stack Author: codeEngraver File: Enhancer.java License: MIT License | 5 votes |
protected ProtectionDomain getProtectionDomain() { if (superclass != null) { return ReflectUtils.getProtectionDomain(superclass); } else if (interfaces != null) { return ReflectUtils.getProtectionDomain(interfaces[0]); } else { return null; } }
Example #15
Source Project: rebuild Author: getrebuild File: ApiGateway.java License: GNU General Public License v3.0 | 5 votes |
/** * @param apiName * @return */ protected BaseApi createApi(String apiName) { if (!API_CLASSES.containsKey(apiName)) { throw new ApiInvokeException(ApiInvokeException.ERR_BADAPI, "Unknown API : " + apiName); } return (BaseApi) ReflectUtils.newInstance(API_CLASSES.get(apiName)); }
Example #16
Source Project: rebuild Author: getrebuild File: ApiGateway.java License: GNU General Public License v3.0 | 5 votes |
/** * @param clazz */ public static void registerApi(Class<? extends BaseApi> clazz) { BaseApi api = (BaseApi) ReflectUtils.newInstance(clazz); String apiName = api.getApiName(); if (API_CLASSES.containsKey(apiName)) { LOG.error("Replaced API : " + apiName); } API_CLASSES.put(apiName, clazz); LOG.info("New API registered : " + apiName + " : " + clazz.getName()); }
Example #17
Source Project: mica Author: lets-mica File: MicaBeanMap.java License: GNU Lesser General Public License v3.0 | 4 votes |
@Override protected ProtectionDomain getProtectionDomain() { return ReflectUtils.getProtectionDomain(beanClass); }
Example #18
Source Project: mica Author: lets-mica File: MicaBeanMap.java License: GNU Lesser General Public License v3.0 | 4 votes |
@Override protected Object firstInstance(Class type) { return ((BeanMap)ReflectUtils.newInstance(type)).newInstance(bean); }
Example #19
Source Project: spring-analysis-note Author: Vip-Augus File: Enhancer.java License: MIT License | 4 votes |
public void generateClass(ClassVisitor v) throws Exception { Class sc = (superclass == null) ? Object.class : superclass; if (TypeUtils.isFinal(sc.getModifiers())) throw new IllegalArgumentException("Cannot subclass final class " + sc.getName()); List constructors = new ArrayList(Arrays.asList(sc.getDeclaredConstructors())); filterConstructors(sc, constructors); // Order is very important: must add superclass, then // its superclass chain, then each interface and // its superinterfaces. List actualMethods = new ArrayList(); List interfaceMethods = new ArrayList(); final Set forcePublic = new HashSet(); getMethods(sc, interfaces, actualMethods, interfaceMethods, forcePublic); List methods = CollectionUtils.transform(actualMethods, new Transformer() { public Object transform(Object value) { Method method = (Method) value; int modifiers = Constants.ACC_FINAL | (method.getModifiers() & ~Constants.ACC_ABSTRACT & ~Constants.ACC_NATIVE & ~Constants.ACC_SYNCHRONIZED); if (forcePublic.contains(MethodWrapper.create(method))) { modifiers = (modifiers & ~Constants.ACC_PROTECTED) | Constants.ACC_PUBLIC; } return ReflectUtils.getMethodInfo(method, modifiers); } }); ClassEmitter e = new ClassEmitter(v); if (currentData == null) { e.begin_class(Constants.V1_2, Constants.ACC_PUBLIC, getClassName(), Type.getType(sc), (useFactory ? TypeUtils.add(TypeUtils.getTypes(interfaces), FACTORY) : TypeUtils.getTypes(interfaces)), Constants.SOURCE_FILE); } else { e.begin_class(Constants.V1_2, Constants.ACC_PUBLIC, getClassName(), null, new Type[]{FACTORY}, Constants.SOURCE_FILE); } List constructorInfo = CollectionUtils.transform(constructors, MethodInfoTransformer.getInstance()); e.declare_field(Constants.ACC_PRIVATE, BOUND_FIELD, Type.BOOLEAN_TYPE, null); e.declare_field(Constants.ACC_PUBLIC | Constants.ACC_STATIC, FACTORY_DATA_FIELD, OBJECT_TYPE, null); if (!interceptDuringConstruction) { e.declare_field(Constants.ACC_PRIVATE, CONSTRUCTED_FIELD, Type.BOOLEAN_TYPE, null); } e.declare_field(Constants.PRIVATE_FINAL_STATIC, THREAD_CALLBACKS_FIELD, THREAD_LOCAL, null); e.declare_field(Constants.PRIVATE_FINAL_STATIC, STATIC_CALLBACKS_FIELD, CALLBACK_ARRAY, null); if (serialVersionUID != null) { e.declare_field(Constants.PRIVATE_FINAL_STATIC, Constants.SUID_FIELD_NAME, Type.LONG_TYPE, serialVersionUID); } for (int i = 0; i < callbackTypes.length; i++) { e.declare_field(Constants.ACC_PRIVATE, getCallbackField(i), callbackTypes[i], null); } // This is declared private to avoid "public field" pollution e.declare_field(Constants.ACC_PRIVATE | Constants.ACC_STATIC, CALLBACK_FILTER_FIELD, OBJECT_TYPE, null); if (currentData == null) { emitMethods(e, methods, actualMethods); emitConstructors(e, constructorInfo); } else { emitDefaultConstructor(e); } emitSetThreadCallbacks(e); emitSetStaticCallbacks(e); emitBindCallbacks(e); if (useFactory || currentData != null) { int[] keys = getCallbackKeys(); emitNewInstanceCallbacks(e); emitNewInstanceCallback(e); emitNewInstanceMultiarg(e, constructorInfo); emitGetCallback(e, keys); emitSetCallback(e, keys); emitGetCallbacks(e); emitSetCallbacks(e); } e.end_class(); }
Example #20
Source Project: java-technology-stack Author: codeEngraver File: Enhancer.java License: MIT License | 4 votes |
public void generateClass(ClassVisitor v) throws Exception { Class sc = (superclass == null) ? Object.class : superclass; if (TypeUtils.isFinal(sc.getModifiers())) throw new IllegalArgumentException("Cannot subclass final class " + sc.getName()); List constructors = new ArrayList(Arrays.asList(sc.getDeclaredConstructors())); filterConstructors(sc, constructors); // Order is very important: must add superclass, then // its superclass chain, then each interface and // its superinterfaces. List actualMethods = new ArrayList(); List interfaceMethods = new ArrayList(); final Set forcePublic = new HashSet(); getMethods(sc, interfaces, actualMethods, interfaceMethods, forcePublic); List methods = CollectionUtils.transform(actualMethods, new Transformer() { public Object transform(Object value) { Method method = (Method) value; int modifiers = Constants.ACC_FINAL | (method.getModifiers() & ~Constants.ACC_ABSTRACT & ~Constants.ACC_NATIVE & ~Constants.ACC_SYNCHRONIZED); if (forcePublic.contains(MethodWrapper.create(method))) { modifiers = (modifiers & ~Constants.ACC_PROTECTED) | Constants.ACC_PUBLIC; } return ReflectUtils.getMethodInfo(method, modifiers); } }); ClassEmitter e = new ClassEmitter(v); if (currentData == null) { e.begin_class(Constants.V1_2, Constants.ACC_PUBLIC, getClassName(), Type.getType(sc), (useFactory ? TypeUtils.add(TypeUtils.getTypes(interfaces), FACTORY) : TypeUtils.getTypes(interfaces)), Constants.SOURCE_FILE); } else { e.begin_class(Constants.V1_2, Constants.ACC_PUBLIC, getClassName(), null, new Type[]{FACTORY}, Constants.SOURCE_FILE); } List constructorInfo = CollectionUtils.transform(constructors, MethodInfoTransformer.getInstance()); e.declare_field(Constants.ACC_PRIVATE, BOUND_FIELD, Type.BOOLEAN_TYPE, null); e.declare_field(Constants.ACC_PUBLIC | Constants.ACC_STATIC, FACTORY_DATA_FIELD, OBJECT_TYPE, null); if (!interceptDuringConstruction) { e.declare_field(Constants.ACC_PRIVATE, CONSTRUCTED_FIELD, Type.BOOLEAN_TYPE, null); } e.declare_field(Constants.PRIVATE_FINAL_STATIC, THREAD_CALLBACKS_FIELD, THREAD_LOCAL, null); e.declare_field(Constants.PRIVATE_FINAL_STATIC, STATIC_CALLBACKS_FIELD, CALLBACK_ARRAY, null); if (serialVersionUID != null) { e.declare_field(Constants.PRIVATE_FINAL_STATIC, Constants.SUID_FIELD_NAME, Type.LONG_TYPE, serialVersionUID); } for (int i = 0; i < callbackTypes.length; i++) { e.declare_field(Constants.ACC_PRIVATE, getCallbackField(i), callbackTypes[i], null); } // This is declared private to avoid "public field" pollution e.declare_field(Constants.ACC_PRIVATE | Constants.ACC_STATIC, CALLBACK_FILTER_FIELD, OBJECT_TYPE, null); if (currentData == null) { emitMethods(e, methods, actualMethods); emitConstructors(e, constructorInfo); } else { emitDefaultConstructor(e); } emitSetThreadCallbacks(e); emitSetStaticCallbacks(e); emitBindCallbacks(e); if (useFactory || currentData != null) { int[] keys = getCallbackKeys(); emitNewInstanceCallbacks(e); emitNewInstanceCallback(e); emitNewInstanceMultiarg(e, constructorInfo); emitGetCallback(e, keys); emitSetCallback(e, keys); emitGetCallbacks(e); emitSetCallbacks(e); } e.end_class(); }