Package net.sf.cglib.core

Examples of net.sf.cglib.core.CodeEmitter

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/*     */     });
/* 187 */     e.end_method();
/*     */   }
/*     */
/*     */   private void setField(String[] names) throws Exception {
/* 191 */     CodeEmitter e = begin_method(1, PROVIDER_SET, null, null);
/* 192 */     e.load_this();
/* 193 */     e.load_arg(1);
/* 194 */     e.load_arg(0);
/* 195 */     EmitUtils.string_switch(e, names, 1, new ObjectSwitchCallback(e) {
/*     */       public void processCase(Object key, Label end) {
/* 197 */         Type type = (Type)FieldProviderTransformer.this.fields.get(key);
/* 198 */         this.val$e.unbox(type);
/* 199 */         this.val$e.putfield((String)key);
/* 200 */         this.val$e.return_value();
/*     */       }
/*     */       public void processDefault() {
/* 203 */         this.val$e.throw_exception(FieldProviderTransformer.ILLEGAL_ARGUMENT_EXCEPTION, "Unknown field name");
/*     */       }
/*     */     });
/* 206 */     e.end_method();
/*     */   }
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/* 37 */     super.declare_field(access, name, type, value, attrs);
/*    */
/* 39 */     String property = TypeUtils.upperFirst(this.callback.getPropertyName(getClassType(), name));
/* 40 */     if (property != null)
/*    */     {
/* 42 */       CodeEmitter e = begin_method(1, new Signature("get" + property, type, Constants.TYPES_EMPTY), null, null);
/*    */
/* 48 */       e.load_this();
/* 49 */       e.getfield(name);
/* 50 */       e.return_value();
/* 51 */       e.end_method();
/*    */
/* 53 */       e = begin_method(1, new Signature("set" + property, Type.VOID_TYPE, new Type[] { type }), null, null);
/*    */
/* 59 */       e.load_this();
/* 60 */       e.load_arg(0);
/* 61 */       e.putfield(name);
/* 62 */       e.return_value();
/* 63 */       e.end_method();
/*    */     }
/*    */   }
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/*    */     }
/*    */   }
/*    */
/*    */   protected void init() {
/* 43 */     if (!TypeUtils.isInterface(getAccess())) {
/* 44 */       CodeEmitter e = getStaticHook();
/* 45 */       EmitUtils.load_class_this(e);
/* 46 */       e.invoke(this.info);
/*    */     }
/*    */   }
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/*     */   private String[] getNames(Map propertyMap) {
/*  88 */     return (String[])propertyMap.keySet().toArray(new String[propertyMap.size()]);
/*     */   }
/*     */
/*     */   private void generateConstructor() {
/*  92 */     CodeEmitter e = begin_method(1, CSTRUCT_OBJECT, null, null);
/*  93 */     e.load_this();
/*  94 */     e.load_arg(0);
/*  95 */     e.super_invoke_constructor(CSTRUCT_OBJECT);
/*  96 */     e.return_value();
/*  97 */     e.end_method();
/*     */   }
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/*  96 */     e.return_value();
/*  97 */     e.end_method();
/*     */   }
/*     */
/*     */   private void generateGet(Class type, Map getters) {
/* 101 */     CodeEmitter e = begin_method(1, BEAN_MAP_GET, null, null);
/* 102 */     e.load_arg(0);
/* 103 */     e.checkcast(Type.getType(type));
/* 104 */     e.load_arg(1);
/* 105 */     e.checkcast(Constants.TYPE_STRING);
/* 106 */     EmitUtils.string_switch(e, getNames(getters), 1, new ObjectSwitchCallback(getters, e) {
/*     */       public void processCase(Object key, Label end) {
/* 108 */         PropertyDescriptor pd = (PropertyDescriptor)this.val$getters.get(key);
/* 109 */         MethodInfo method = ReflectUtils.getMethodInfo(pd.getReadMethod());
/* 110 */         this.val$e.invoke(method);
/* 111 */         this.val$e.box(method.getSignature().getReturnType());
/* 112 */         this.val$e.return_value();
/*     */       }
/*     */       public void processDefault() {
/* 115 */         this.val$e.aconst_null();
/* 116 */         this.val$e.return_value();
/*     */       }
/*     */     });
/* 119 */     e.end_method();
/*     */   }
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/*  95 */       Type targetType = Type.getType(this.target);
/*  96 */       ClassEmitter ce = new ClassEmitter(v);
/*  97 */       ce.begin_class(46, 1, getClassName(), BeanCopier.BEAN_COPIER, null, "<generated>");
/*     */
/* 104 */       EmitUtils.null_constructor(ce);
/* 105 */       CodeEmitter e = ce.begin_method(1, BeanCopier.COPY, null, null);
/* 106 */       PropertyDescriptor[] getters = ReflectUtils.getBeanGetters(this.source);
/* 107 */       PropertyDescriptor[] setters = ReflectUtils.getBeanGetters(this.target);
/*     */
/* 109 */       Map names = new HashMap();
/* 110 */       for (int i = 0; i < getters.length; i++) {
/* 111 */         names.put(getters[i].getName(), getters[i]);
/*     */       }
/* 113 */       Local targetLocal = e.make_local();
/* 114 */       Local sourceLocal = e.make_local();
/* 115 */       if (this.useConverter) {
/* 116 */         e.load_arg(1);
/* 117 */         e.checkcast(targetType);
/* 118 */         e.store_local(targetLocal);
/* 119 */         e.load_arg(0);
/* 120 */         e.checkcast(sourceType);
/* 121 */         e.store_local(sourceLocal);
/*     */       } else {
/* 123 */         e.load_arg(1);
/* 124 */         e.checkcast(targetType);
/* 125 */         e.load_arg(0);
/* 126 */         e.checkcast(sourceType);
/*     */       }
/* 128 */       for (int i = 0; i < setters.length; i++) {
/* 129 */         PropertyDescriptor setter = setters[i];
/* 130 */         PropertyDescriptor getter = (PropertyDescriptor)names.get(setter.getName());
/* 131 */         if (getter != null) {
/* 132 */           MethodInfo read = ReflectUtils.getMethodInfo(getter.getReadMethod());
/* 133 */           MethodInfo write = ReflectUtils.getMethodInfo(setter.getWriteMethod());
/* 134 */           if (this.useConverter) {
/* 135 */             Type setterType = write.getSignature().getArgumentTypes()[0];
/* 136 */             e.load_local(targetLocal);
/* 137 */             e.load_arg(2);
/* 138 */             e.load_local(sourceLocal);
/* 139 */             e.invoke(read);
/* 140 */             e.box(read.getSignature().getReturnType());
/* 141 */             EmitUtils.load_class(e, setterType);
/* 142 */             e.push(write.getSignature().getName());
/* 143 */             e.invoke_interface(BeanCopier.CONVERTER, BeanCopier.CONVERT);
/* 144 */             e.unbox_or_zero(setterType);
/* 145 */             e.invoke(write);
/* 146 */           } else if (compatible(getter, setter)) {
/* 147 */             e.dup2();
/* 148 */             e.invoke(read);
/* 149 */             e.invoke(write);
/*     */           }
/*     */         }
/*     */       }
/* 153 */       e.return_value();
/* 154 */       e.end_method();
/* 155 */       ce.end_class();
/*     */     }
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/*  77 */     e.end_method();
/*     */   }
/*     */
/*     */   private void generateSet(Class target, Method[] setters)
/*     */   {
/*  82 */     CodeEmitter e = begin_method(1, SET_PROPERTY_VALUES, null, null);
/*  83 */     if (setters.length > 0) {
/*  84 */       Local index = e.make_local(Type.INT_TYPE);
/*  85 */       e.push(0);
/*  86 */       e.store_local(index);
/*  87 */       e.load_arg(0);
/*  88 */       e.checkcast(Type.getType(target));
/*  89 */       e.load_arg(1);
/*  90 */       Block handler = e.begin_block();
/*  91 */       int lastIndex = 0;
/*  92 */       for (int i = 0; i < setters.length; i++) {
/*  93 */         if (setters[i] != null) {
/*  94 */           MethodInfo setter = ReflectUtils.getMethodInfo(setters[i]);
/*  95 */           int diff = i - lastIndex;
/*  96 */           if (diff > 0) {
/*  97 */             e.iinc(index, diff);
/*  98 */             lastIndex = i;
/*     */           }
/* 100 */           e.dup2();
/* 101 */           e.aaload(i);
/* 102 */           e.unbox(setter.getSignature().getArgumentTypes()[0]);
/* 103 */           e.invoke(setter);
/*     */         }
/*     */       }
/* 106 */       handler.end();
/* 107 */       e.return_value();
/* 108 */       e.catch_exception(handler, Constants.TYPE_THROWABLE);
/* 109 */       e.new_instance(BULK_BEAN_EXCEPTION);
/* 110 */       e.dup_x1();
/* 111 */       e.swap();
/* 112 */       e.load_local(index);
/* 113 */       e.invoke_constructor(BULK_BEAN_EXCEPTION, CSTRUCT_EXCEPTION);
/* 114 */       e.athrow();
/*     */     } else {
/* 116 */       e.return_value();
/*     */     }
/* 118 */     e.end_method();
/*     */   }
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/* 34 */       MethodInfo method = (MethodInfo)it.next();
/* 35 */       if (!TypeUtils.isProtected(method.getModifiers()))
/*    */       {
/* 38 */         int index = context.getIndex(method);
/* 39 */         indexes.add(new Integer(index));
/* 40 */         CodeEmitter e = context.beginMethod(ce, method);
/* 41 */         e.load_this();
/* 42 */         e.dup();
/* 43 */         e.invoke_virtual_this(loadMethod(index));
/* 44 */         e.checkcast(method.getClassInfo().getType());
/* 45 */         e.load_args();
/* 46 */         e.invoke(method);
/* 47 */         e.return_value();
/* 48 */         e.end_method();
/*    */       }
/*    */     }
/*    */
/* 52 */     for (Iterator it = indexes.iterator(); it.hasNext(); ) {
/* 53 */       int index = ((Integer)it.next()).intValue();
/*    */
/* 55 */       String delegate = "CGLIB$LAZY_LOADER_" + index;
/* 56 */       ce.declare_field(2, delegate, Constants.TYPE_OBJECT, null, null);
/*    */
/* 58 */       CodeEmitter e = ce.begin_method(50, loadMethod(index), null, null);
/*    */
/* 64 */       e.load_this();
/* 65 */       e.getfield(delegate);
/* 66 */       e.dup();
/* 67 */       Label end = e.make_label();
/* 68 */       e.ifnonnull(end);
/* 69 */       e.pop();
/* 70 */       e.load_this();
/* 71 */       context.emitCallback(e, index);
/* 72 */       e.invoke_interface(LAZY_LOADER, LOAD_OBJECT);
/* 73 */       e.dup_x1();
/* 74 */       e.putfield(delegate);
/* 75 */       e.mark(end);
/* 76 */       e.return_value();
/* 77 */       e.end_method();
/*    */     }
/*    */   }
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/*    */   public void generate(ClassEmitter ce, CallbackGenerator.Context context, List methods) {
/* 28 */     for (Iterator it = methods.iterator(); it.hasNext(); ) {
/* 29 */       MethodInfo method = (MethodInfo)it.next();
/* 30 */       if ((TypeUtils.isProtected(context.getOriginalModifiers(method))) && (TypeUtils.isPublic(method.getModifiers())))
/*    */       {
/* 32 */         CodeEmitter e = EmitUtils.begin_method(ce, method);
/* 33 */         e.load_this();
/* 34 */         e.load_args();
/* 35 */         e.super_invoke();
/* 36 */         e.return_value();
/* 37 */         e.end_method();
/*    */       }
/*    */     }
/*    */   }
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/* 37 */     for (Iterator it = methods.iterator(); it.hasNext(); ) {
/* 38 */       MethodInfo method = (MethodInfo)it.next();
/* 39 */       Signature impl = context.getImplSignature(method);
/* 40 */       ce.declare_field(26, impl.getName(), METHOD, null, null);
/*    */
/* 42 */       CodeEmitter e = context.beginMethod(ce, method);
/* 43 */       Block handler = e.begin_block();
/* 44 */       context.emitCallback(e, context.getIndex(method));
/* 45 */       e.load_this();
/* 46 */       e.getfield(impl.getName());
/* 47 */       e.create_arg_array();
/* 48 */       e.invoke_interface(INVOCATION_HANDLER, INVOKE);
/* 49 */       e.unbox(method.getSignature().getReturnType());
/* 50 */       e.return_value();
/* 51 */       handler.end();
/* 52 */       EmitUtils.wrap_undeclared_throwable(e, handler, method.getExceptionTypes(), UNDECLARED_THROWABLE_EXCEPTION);
/* 53 */       e.end_method();
/*    */     }
/*    */   }
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Related Classes of net.sf.cglib.core.CodeEmitter

  • net.sf.cglib.asm.Label
  • net.sf.cglib.asm.Type
  • net.sf.cglib.beans.BeanCopier$Generator
  • net.sf.cglib.beans.BeanMapEmitter
  • net.sf.cglib.beans.BulkBeanEmitter
  • net.sf.cglib.beans.ImmutableBean$Generator
  • net.sf.cglib.proxy.DispatcherGenerator
  • net.sf.cglib.proxy.Enhancer
  • net.sf.cglib.proxy.FixedValueGenerator
  • net.sf.cglib.proxy.InvocationHandlerGenerator
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