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Java ClassFile.addMethod方法代码示例

本文整理汇总了Java中javassist.bytecode.ClassFile.addMethod方法的典型用法代码示例。如果您正苦于以下问题：Java ClassFile.addMethod方法的具体用法？Java ClassFile.addMethod怎么用？Java ClassFile.addMethod使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javassist.bytecode.ClassFile的用法示例。


在下文中一共展示了ClassFile.addMethod方法的14个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: addDefaultConstructor

import javassist.bytecode.ClassFile; //导入方法依赖的package包/类
/**
 * Declares a constructor that takes no parameter.
 *
 * @param classfile The class descriptor
 *
 * @throws CannotCompileException Indicates trouble with the underlying Javassist calls
 */
private void addDefaultConstructor(ClassFile classfile) throws CannotCompileException {
	final ConstPool constPool = classfile.getConstPool();
	final String constructorSignature = "()V";
	final MethodInfo constructorMethodInfo = new MethodInfo( constPool, MethodInfo.nameInit, constructorSignature );

	final Bytecode code = new Bytecode( constPool, 0, 1 );
	// aload_0
	code.addAload( 0 );
	// invokespecial
	code.addInvokespecial( BulkAccessor.class.getName(), MethodInfo.nameInit, constructorSignature );
	// return
	code.addOpcode( Opcode.RETURN );

	constructorMethodInfo.setCodeAttribute( code.toCodeAttribute() );
	constructorMethodInfo.setAccessFlags( AccessFlag.PUBLIC );
	classfile.addMethod( constructorMethodInfo );
}
开发者ID:lamsfoundation，项目名称:lams，代码行数:25，代码来源:BulkAccessorFactory.java

示例2: addDefaultConstructor

import javassist.bytecode.ClassFile; //导入方法依赖的package包/类
/**
 * Declares a constructor that takes no parameter.
 *
 * @param classfile
 * @throws CannotCompileException
 */
private void addDefaultConstructor(ClassFile classfile) throws CannotCompileException {
	ConstPool cp = classfile.getConstPool();
	String cons_desc = "()V";
	MethodInfo mi = new MethodInfo( cp, MethodInfo.nameInit, cons_desc );

	Bytecode code = new Bytecode( cp, 0, 1 );
	// aload_0
	code.addAload( 0 );
	// invokespecial
	code.addInvokespecial( BulkAccessor.class.getName(), MethodInfo.nameInit, cons_desc );
	// return
	code.addOpcode( Opcode.RETURN );

	mi.setCodeAttribute( code.toCodeAttribute() );
	mi.setAccessFlags( AccessFlag.PUBLIC );
	classfile.addMethod( mi );
}
开发者ID:cacheonix，项目名称:cacheonix-core，代码行数:24，代码来源:BulkAccessorFactory.java

示例3: addGetFieldHandlerMethod

import javassist.bytecode.ClassFile; //导入方法依赖的package包/类
private void addGetFieldHandlerMethod(ClassFile classfile)
		throws CannotCompileException {
	ConstPool cp = classfile.getConstPool();
	int this_class_index = cp.getThisClassInfo();
	MethodInfo minfo = new MethodInfo(cp, GETFIELDHANDLER_METHOD_NAME,
	                                  GETFIELDHANDLER_METHOD_DESCRIPTOR);
	/* local variable | this | */
	Bytecode code = new Bytecode(cp, 2, 1);
	// aload_0 // load this
	code.addAload(0);
	// getfield // get field "$JAVASSIST_CALLBACK" defined already
	code.addOpcode(Opcode.GETFIELD);
	int field_index = cp.addFieldrefInfo(this_class_index,
	                                     HANDLER_FIELD_NAME, HANDLER_FIELD_DESCRIPTOR);
	code.addIndex(field_index);
	// areturn // return the value of the field
	code.addOpcode(Opcode.ARETURN);
	minfo.setCodeAttribute(code.toCodeAttribute());
	minfo.setAccessFlags(AccessFlag.PUBLIC);
	classfile.addMethod(minfo);
}
开发者ID:cacheonix，项目名称:cacheonix-core，代码行数:22，代码来源:FieldTransformer.java

示例4: addSetFieldHandlerMethod

import javassist.bytecode.ClassFile; //导入方法依赖的package包/类
private void addSetFieldHandlerMethod(ClassFile classfile)
		throws CannotCompileException {
	ConstPool cp = classfile.getConstPool();
	int this_class_index = cp.getThisClassInfo();
	MethodInfo minfo = new MethodInfo(cp, SETFIELDHANDLER_METHOD_NAME,
	                                  SETFIELDHANDLER_METHOD_DESCRIPTOR);
	/* local variables | this | callback | */
	Bytecode code = new Bytecode(cp, 3, 3);
	// aload_0 // load this
	code.addAload(0);
	// aload_1 // load callback
	code.addAload(1);
	// putfield // put field "$JAVASSIST_CALLBACK" defined already
	code.addOpcode(Opcode.PUTFIELD);
	int field_index = cp.addFieldrefInfo(this_class_index,
	                                     HANDLER_FIELD_NAME, HANDLER_FIELD_DESCRIPTOR);
	code.addIndex(field_index);
	// return
	code.addOpcode(Opcode.RETURN);
	minfo.setCodeAttribute(code.toCodeAttribute());
	minfo.setAccessFlags(AccessFlag.PUBLIC);
	classfile.addMethod(minfo);
}
开发者ID:cacheonix，项目名称:cacheonix-core，代码行数:24，代码来源:FieldTransformer.java

示例5: addGetFieldHandlerMethod

import javassist.bytecode.ClassFile; //导入方法依赖的package包/类
private void addGetFieldHandlerMethod(ClassFile classfile) throws CannotCompileException, BadBytecode {
	final ConstPool constPool = classfile.getConstPool();
	final int thisClassInfo = constPool.getThisClassInfo();
	final MethodInfo getterMethodInfo = new MethodInfo(
			constPool,
			GETFIELDHANDLER_METHOD_NAME,
			GETFIELDHANDLER_METHOD_DESCRIPTOR
	);

	/* local variable | this | */
	final Bytecode code = new Bytecode( constPool, 2, 1 );
	// aload_0 // load this
	code.addAload( 0 );
	// getfield // get field "$JAVASSIST_CALLBACK" defined already
	code.addOpcode( Opcode.GETFIELD );
	final int fieldIndex = constPool.addFieldrefInfo( thisClassInfo, HANDLER_FIELD_NAME, HANDLER_FIELD_DESCRIPTOR );
	code.addIndex( fieldIndex );
	// areturn // return the value of the field
	code.addOpcode( Opcode.ARETURN );
	getterMethodInfo.setCodeAttribute( code.toCodeAttribute() );
	getterMethodInfo.setAccessFlags( AccessFlag.PUBLIC );
	final CodeAttribute codeAttribute = getterMethodInfo.getCodeAttribute();
	if ( codeAttribute != null ) {
		final StackMapTable smt = MapMaker.make( classPool, getterMethodInfo );
		codeAttribute.setAttribute( smt );
	}
	classfile.addMethod( getterMethodInfo );
}
开发者ID:lamsfoundation，项目名称:lams，代码行数:29，代码来源:FieldTransformer.java

示例6: addSetFieldHandlerMethod

import javassist.bytecode.ClassFile; //导入方法依赖的package包/类
private void addSetFieldHandlerMethod(ClassFile classfile) throws CannotCompileException, BadBytecode {
	final ConstPool constPool = classfile.getConstPool();
	final int thisClassInfo = constPool.getThisClassInfo();
	final MethodInfo methodInfo = new MethodInfo(
			constPool,
			SETFIELDHANDLER_METHOD_NAME,
			SETFIELDHANDLER_METHOD_DESCRIPTOR
	);

	/* local variables | this | callback | */
	final Bytecode code = new Bytecode(constPool, 3, 3);
	// aload_0 : load this
	code.addAload( 0 );
	// aload_1 : load callback
	code.addAload( 1 );
	// putfield // put field "$JAVASSIST_CALLBACK" defined already
	code.addOpcode( Opcode.PUTFIELD );
	final int fieldIndex = constPool.addFieldrefInfo( thisClassInfo, HANDLER_FIELD_NAME, HANDLER_FIELD_DESCRIPTOR );
	code.addIndex( fieldIndex );
	// return
	code.addOpcode( Opcode.RETURN );
	methodInfo.setCodeAttribute( code.toCodeAttribute() );
	methodInfo.setAccessFlags( AccessFlag.PUBLIC );
	final CodeAttribute codeAttribute = methodInfo.getCodeAttribute();
	if ( codeAttribute != null ) {
		final StackMapTable smt = MapMaker.make( classPool, methodInfo );
		codeAttribute.setAttribute( smt );
	}
	classfile.addMethod( methodInfo );
}
开发者ID:lamsfoundation，项目名称:lams，代码行数:31，代码来源:FieldTransformer.java

示例7: addConstructors

import javassist.bytecode.ClassFile; //导入方法依赖的package包/类
private void addConstructors(ClassFile cfile, Class<?> clazz) {
	final Constructor<?>[] ctors = clazz.getDeclaredConstructors();
	if (null != ctors && 0 < ctors.length) {
		for (Constructor<?> c : ctors) {
			final MethodInfo mi = new MethodInfo(cfile.getConstPool(), "<init>", Descriptor.ofConstructor(c.getParameterTypes()));
			buildMethodInfo(cfile.getConstPool(), mi, c);
			try {
				cfile.addMethod(mi);
			} catch (DuplicateMemberException e) {
				e.printStackTrace();
			}
		}
	}
}
开发者ID:AndreJCL，项目名称:JCL，代码行数:15，代码来源:DalvikClassClassPath.java

示例8: addMethods

import javassist.bytecode.ClassFile; //导入方法依赖的package包/类
private void addMethods(ClassFile cfile, Class<?> clazz) {
	final Method[] methods = clazz.getDeclaredMethods();
	if (null != methods && 0 < methods.length) {
		for (Method m : methods) {
			final MethodInfo mi = new MethodInfo(cfile.getConstPool(), m.getName(), Descriptor.ofMethod(m.getReturnType(), m.getParameterTypes()));
			buildMethodInfo(cfile.getConstPool(), mi, m);
			try {
				cfile.addMethod(mi);
			} catch (DuplicateMemberException e) {
				e.printStackTrace();
			}
		}
	}
}
开发者ID:AndreJCL，项目名称:JCL，代码行数:15，代码来源:DalvikClassClassPath.java

示例9: addGetter

import javassist.bytecode.ClassFile; //导入方法依赖的package包/类
private void addGetter(ClassFile classfile, final Method[] getters) throws CannotCompileException {
	ConstPool cp = classfile.getConstPool();
	int target_type_index = cp.addClassInfo( this.targetBean.getName() );
	String desc = GET_SETTER_DESC;
	MethodInfo mi = new MethodInfo( cp, GENERATED_GETTER_NAME, desc );

	Bytecode code = new Bytecode( cp, 6, 4 );
	/* | this | bean | args | raw bean | */
	if ( getters.length >= 0 ) {
		// aload_1 // load bean
		code.addAload( 1 );
		// checkcast // cast bean
		code.addCheckcast( this.targetBean.getName() );
		// astore_3 // store bean
		code.addAstore( 3 );
		for ( int i = 0; i < getters.length; ++i ) {
			if ( getters[i] != null ) {
				Method getter = getters[i];
				// aload_2 // args
				code.addAload( 2 );
				// iconst_i // continue to aastore
				code.addIconst( i ); // growing stack is 1
				Class returnType = getter.getReturnType();
				int typeIndex = -1;
				if ( returnType.isPrimitive() ) {
					typeIndex = FactoryHelper.typeIndex( returnType );
					// new
					code.addNew( FactoryHelper.wrapperTypes[typeIndex] );
					// dup
					code.addOpcode( Opcode.DUP );
				}

				// aload_3 // load the raw bean
				code.addAload( 3 );
				String getter_desc = RuntimeSupport.makeDescriptor( getter );
				String getterName = getter.getName();
				if ( this.targetBean.isInterface() ) {
					// invokeinterface
					code.addInvokeinterface( target_type_index, getterName, getter_desc, 1 );
				}
				else {
					// invokevirtual
					code.addInvokevirtual( target_type_index, getterName, getter_desc );
				}

				if ( typeIndex >= 0 ) {       // is a primitive type
					// invokespecial
					code.addInvokespecial(
							FactoryHelper.wrapperTypes[typeIndex],
					        MethodInfo.nameInit,
					        FactoryHelper.wrapperDesc[typeIndex]
					);
				}

				// aastore // args
				code.add( Opcode.AASTORE );
				code.growStack( -3 );
			}
		}
	}
	// return
	code.addOpcode( Opcode.RETURN );

	mi.setCodeAttribute( code.toCodeAttribute() );
	mi.setAccessFlags( AccessFlag.PUBLIC );
	classfile.addMethod( mi );
}
开发者ID:cacheonix，项目名称:cacheonix-core，代码行数:68，代码来源:BulkAccessorFactory.java

示例10: addGetter

import javassist.bytecode.ClassFile; //导入方法依赖的package包/类
private void addGetter(ClassFile classfile, final Method[] getters) throws CannotCompileException {
	final ConstPool constPool = classfile.getConstPool();
	final int targetBeanConstPoolIndex = constPool.addClassInfo( this.targetBean.getName() );
	final String desc = GET_SETTER_DESC;
	final MethodInfo getterMethodInfo = new MethodInfo( constPool, GENERATED_GETTER_NAME, desc );

	final Bytecode code = new Bytecode( constPool, 6, 4 );
	/* | this | bean | args | raw bean | */
	if ( getters.length >= 0 ) {
		// aload_1 // load bean
		code.addAload( 1 );
		// checkcast // cast bean
		code.addCheckcast( this.targetBean.getName() );
		// astore_3 // store bean
		code.addAstore( 3 );
		for ( int i = 0; i < getters.length; ++i ) {
			if ( getters[i] != null ) {
				final Method getter = getters[i];
				// aload_2 // args
				code.addAload( 2 );
				// iconst_i // continue to aastore
				// growing stack is 1
				code.addIconst( i );
				final Class returnType = getter.getReturnType();
				int typeIndex = -1;
				if ( returnType.isPrimitive() ) {
					typeIndex = FactoryHelper.typeIndex( returnType );
					// new
					code.addNew( FactoryHelper.wrapperTypes[typeIndex] );
					// dup
					code.addOpcode( Opcode.DUP );
				}

				// aload_3 // load the raw bean
				code.addAload( 3 );
				final String getterSignature = RuntimeSupport.makeDescriptor( getter );
				final String getterName = getter.getName();
				if ( this.targetBean.isInterface() ) {
					// invokeinterface
					code.addInvokeinterface( targetBeanConstPoolIndex, getterName, getterSignature, 1 );
				}
				else {
					// invokevirtual
					code.addInvokevirtual( targetBeanConstPoolIndex, getterName, getterSignature );
				}

				if ( typeIndex >= 0 ) {
					// is a primitive type
					// invokespecial
					code.addInvokespecial(
							FactoryHelper.wrapperTypes[typeIndex],
							MethodInfo.nameInit,
							FactoryHelper.wrapperDesc[typeIndex]
					);
				}

				// aastore // args
				code.add( Opcode.AASTORE );
				code.growStack( -3 );
			}
		}
	}
	// return
	code.addOpcode( Opcode.RETURN );

	getterMethodInfo.setCodeAttribute( code.toCodeAttribute() );
	getterMethodInfo.setAccessFlags( AccessFlag.PUBLIC );
	classfile.addMethod( getterMethodInfo );
}
开发者ID:lamsfoundation，项目名称:lams，代码行数:70，代码来源:BulkAccessorFactory.java

示例11: addReadMethod

import javassist.bytecode.ClassFile; //导入方法依赖的package包/类
private void addReadMethod(ClassFile classfile, FieldInfo finfo) throws CannotCompileException, BadBytecode {
	final ConstPool constPool = classfile.getConstPool();
	final int thisClassInfo = constPool.getThisClassInfo();
	final String readMethodDescriptor = "()" + finfo.getDescriptor();
	final MethodInfo readMethodInfo = new MethodInfo(
			constPool,
			EACH_READ_METHOD_PREFIX + finfo.getName(),
			readMethodDescriptor
	);

	/* local variables | target obj | each oldvalue | */
	final Bytecode code = new Bytecode(constPool, 5, 3);
	// aload_0
	code.addAload( 0 );
	// getfield // get each field
	code.addOpcode( Opcode.GETFIELD );
	final int baseFieldIndex = constPool.addFieldrefInfo( thisClassInfo, finfo.getName(), finfo.getDescriptor() );
	code.addIndex( baseFieldIndex );
	// aload_0
	code.addAload( 0 );
	// invokeinterface : invoke Enabled.getInterceptFieldCallback()
	final int enabledClassIndex = constPool.addClassInfo( FIELD_HANDLED_TYPE_NAME );
	code.addInvokeinterface(
			enabledClassIndex,
			GETFIELDHANDLER_METHOD_NAME,
			GETFIELDHANDLER_METHOD_DESCRIPTOR,
			1
	);
	// ifnonnull
	code.addOpcode( Opcode.IFNONNULL );
	code.addIndex( 4 );
	// *return // each type
	addTypeDependDataReturn( code, finfo.getDescriptor() );
	// *store_1 // each type
	addTypeDependDataStore( code, finfo.getDescriptor(), 1 );
	// aload_0
	code.addAload( 0 );
	// invokeinterface // invoke Enabled.getInterceptFieldCallback()
	code.addInvokeinterface(
			enabledClassIndex,
			GETFIELDHANDLER_METHOD_NAME, GETFIELDHANDLER_METHOD_DESCRIPTOR,
			1
	);
	// aload_0
	code.addAload( 0 );
	// ldc // name of the field
	code.addLdc( finfo.getName() );
	// *load_1 // each type
	addTypeDependDataLoad( code, finfo.getDescriptor(), 1 );
	// invokeinterface // invoke Callback.read*() // each type
	addInvokeFieldHandlerMethod(
			classfile, code, finfo.getDescriptor(),
			true
	);
	// *return // each type
	addTypeDependDataReturn( code, finfo.getDescriptor() );

	readMethodInfo.setCodeAttribute( code.toCodeAttribute() );
	readMethodInfo.setAccessFlags( AccessFlag.PUBLIC );
	final CodeAttribute codeAttribute = readMethodInfo.getCodeAttribute();
	if ( codeAttribute != null ) {
		final StackMapTable smt = MapMaker.make( classPool, readMethodInfo );
		codeAttribute.setAttribute( smt );
	}
	classfile.addMethod( readMethodInfo );
}
开发者ID:lamsfoundation，项目名称:lams，代码行数:67，代码来源:FieldTransformer.java

示例12: addWriteMethod

import javassist.bytecode.ClassFile; //导入方法依赖的package包/类
private void addWriteMethod(ClassFile classfile, FieldInfo finfo) throws CannotCompileException, BadBytecode {
	final ConstPool constPool = classfile.getConstPool();
	final int thisClassInfo = constPool.getThisClassInfo();
	final String writeMethodDescriptor = "(" + finfo.getDescriptor() + ")V";
	final MethodInfo writeMethodInfo = new MethodInfo(
			constPool,
			EACH_WRITE_METHOD_PREFIX+ finfo.getName(),
			writeMethodDescriptor
	);

	/* local variables | target obj | each oldvalue | */
	final Bytecode code = new Bytecode(constPool, 6, 3);
	// aload_0
	code.addAload( 0 );
	// invokeinterface : enabled.getInterceptFieldCallback()
	final int enabledClassIndex = constPool.addClassInfo( FIELD_HANDLED_TYPE_NAME );
	code.addInvokeinterface(
			enabledClassIndex,
			GETFIELDHANDLER_METHOD_NAME, GETFIELDHANDLER_METHOD_DESCRIPTOR,
			1
	);
	// ifnonnull (label1)
	code.addOpcode( Opcode.IFNONNULL );
	code.addIndex( 9 );
	// aload_0
	code.addAload( 0 );
	// *load_1
	addTypeDependDataLoad( code, finfo.getDescriptor(), 1 );
	// putfield
	code.addOpcode( Opcode.PUTFIELD );
	final int baseFieldIndex = constPool.addFieldrefInfo( thisClassInfo, finfo.getName(), finfo.getDescriptor() );
	code.addIndex( baseFieldIndex );
	code.growStack( -Descriptor.dataSize( finfo.getDescriptor() ) );
	// return ;
	code.addOpcode( Opcode.RETURN );
	// aload_0
	code.addAload( 0 );
	// dup
	code.addOpcode( Opcode.DUP );
	// invokeinterface // enabled.getInterceptFieldCallback()
	code.addInvokeinterface(
			enabledClassIndex,
			GETFIELDHANDLER_METHOD_NAME,
			GETFIELDHANDLER_METHOD_DESCRIPTOR,
			1
	);
	// aload_0
	code.addAload( 0 );
	// ldc // field name
	code.addLdc( finfo.getName() );
	// aload_0
	code.addAload( 0 );
	// getfield // old value of the field
	code.addOpcode( Opcode.GETFIELD );
	code.addIndex( baseFieldIndex );
	code.growStack( Descriptor.dataSize( finfo.getDescriptor() ) - 1 );
	// *load_1
	addTypeDependDataLoad( code, finfo.getDescriptor(), 1 );
	// invokeinterface // callback.write*(..)
	addInvokeFieldHandlerMethod( classfile, code, finfo.getDescriptor(), false );
	// putfield // new value of the field
	code.addOpcode( Opcode.PUTFIELD );
	code.addIndex( baseFieldIndex );
	code.growStack( -Descriptor.dataSize( finfo.getDescriptor() ) );
	// return
	code.addOpcode( Opcode.RETURN );

	writeMethodInfo.setCodeAttribute( code.toCodeAttribute() );
	writeMethodInfo.setAccessFlags( AccessFlag.PUBLIC );
	final CodeAttribute codeAttribute = writeMethodInfo.getCodeAttribute();
	if ( codeAttribute != null ) {
		final StackMapTable smt = MapMaker.make( classPool, writeMethodInfo );
		codeAttribute.setAttribute( smt );
	}
	classfile.addMethod( writeMethodInfo );
}
开发者ID:lamsfoundation，项目名称:lams，代码行数:77，代码来源:FieldTransformer.java

示例13: addReadMethod

import javassist.bytecode.ClassFile; //导入方法依赖的package包/类
private void addReadMethod(ClassFile classfile, FieldInfo finfo)
		throws CannotCompileException {
	ConstPool cp = classfile.getConstPool();
	int this_class_index = cp.getThisClassInfo();
	String desc = "()" + finfo.getDescriptor();
	MethodInfo minfo = new MethodInfo(cp, EACH_READ_METHOD_PREFIX
	                                      + finfo.getName(), desc);
	/* local variables | target obj | each oldvalue | */
	Bytecode code = new Bytecode(cp, 5, 3);
	// aload_0
	code.addAload(0);
	// getfield // get each field
	code.addOpcode(Opcode.GETFIELD);
	int base_field_index = cp.addFieldrefInfo(this_class_index, finfo
			.getName(), finfo.getDescriptor());
	code.addIndex(base_field_index);
	// aload_0
	code.addAload(0);
	// invokeinterface // invoke Enabled.getInterceptFieldCallback()
	int enabled_class_index = cp.addClassInfo(FIELD_HANDLED_TYPE_NAME);
	code.addInvokeinterface(enabled_class_index,
	                        GETFIELDHANDLER_METHOD_NAME, GETFIELDHANDLER_METHOD_DESCRIPTOR,
	                        1);
	// ifnonnull
	code.addOpcode(Opcode.IFNONNULL);
	code.addIndex(4);
	// *return // each type
	addTypeDependDataReturn(code, finfo.getDescriptor());
	// *store_1 // each type
	addTypeDependDataStore(code, finfo.getDescriptor(), 1);
	// aload_0
	code.addAload(0);
	// invokeinterface // invoke Enabled.getInterceptFieldCallback()
	code.addInvokeinterface(enabled_class_index,
	                        GETFIELDHANDLER_METHOD_NAME, GETFIELDHANDLER_METHOD_DESCRIPTOR,
	                        1);
	// aload_0
	code.addAload(0);
	// ldc // name of the field
	code.addLdc(finfo.getName());
	// *load_1 // each type
	addTypeDependDataLoad(code, finfo.getDescriptor(), 1);
	// invokeinterface // invoke Callback.read*() // each type
	addInvokeFieldHandlerMethod(classfile, code, finfo.getDescriptor(),
	                            true);
	// *return // each type
	addTypeDependDataReturn(code, finfo.getDescriptor());

	minfo.setCodeAttribute(code.toCodeAttribute());
	minfo.setAccessFlags(AccessFlag.PUBLIC);
	classfile.addMethod(minfo);
}
开发者ID:cacheonix，项目名称:cacheonix-core，代码行数:53，代码来源:FieldTransformer.java

示例14: addWriteMethod

import javassist.bytecode.ClassFile; //导入方法依赖的package包/类
private void addWriteMethod(ClassFile classfile, FieldInfo finfo)
		throws CannotCompileException {
	ConstPool cp = classfile.getConstPool();
	int this_class_index = cp.getThisClassInfo();
	String desc = "(" + finfo.getDescriptor() + ")V";
	MethodInfo minfo = new MethodInfo(cp, EACH_WRITE_METHOD_PREFIX
	                                      + finfo.getName(), desc);
	/* local variables | target obj | each oldvalue | */
	Bytecode code = new Bytecode(cp, 6, 3);
	// aload_0
	code.addAload(0);
	// invokeinterface // enabled.getInterceptFieldCallback()
	int enabled_class_index = cp.addClassInfo(FIELD_HANDLED_TYPE_NAME);
	code.addInvokeinterface(enabled_class_index,
	                        GETFIELDHANDLER_METHOD_NAME, GETFIELDHANDLER_METHOD_DESCRIPTOR,
	                        1);
	// ifnonnull (label1)
	code.addOpcode(Opcode.IFNONNULL);
	code.addIndex(9);
	// aload_0
	code.addAload(0);
	// *load_1
	addTypeDependDataLoad(code, finfo.getDescriptor(), 1);
	// putfield
	code.addOpcode(Opcode.PUTFIELD);
	int base_field_index = cp.addFieldrefInfo(this_class_index, finfo
			.getName(), finfo.getDescriptor());
	code.addIndex(base_field_index);
	code.growStack(-Descriptor.dataSize(finfo.getDescriptor()));
	// return ;
	code.addOpcode(Opcode.RETURN);
	// aload_0
	code.addAload(0);
	// dup
	code.addOpcode(Opcode.DUP);
	// invokeinterface // enabled.getInterceptFieldCallback()
	code.addInvokeinterface(enabled_class_index,
	                        GETFIELDHANDLER_METHOD_NAME, GETFIELDHANDLER_METHOD_DESCRIPTOR,
	                        1);
	// aload_0
	code.addAload(0);
	// ldc // field name
	code.addLdc(finfo.getName());
	// aload_0
	code.addAload(0);
	// getfield // old value of the field
	code.addOpcode(Opcode.GETFIELD);
	code.addIndex(base_field_index);
	code.growStack(Descriptor.dataSize(finfo.getDescriptor()) - 1);
	// *load_1
	addTypeDependDataLoad(code, finfo.getDescriptor(), 1);
	// invokeinterface // callback.write*(..)
	addInvokeFieldHandlerMethod(classfile, code, finfo.getDescriptor(),
	                            false);
	// putfield // new value of the field
	code.addOpcode(Opcode.PUTFIELD);
	code.addIndex(base_field_index);
	code.growStack(-Descriptor.dataSize(finfo.getDescriptor()));
	// return
	code.addOpcode(Opcode.RETURN);

	minfo.setCodeAttribute(code.toCodeAttribute());
	minfo.setAccessFlags(AccessFlag.PUBLIC);
	classfile.addMethod(minfo);
}
开发者ID:cacheonix，项目名称:cacheonix-core，代码行数:66，代码来源:FieldTransformer.java


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