Examples of BCMethod

com.techtrader.modules.tools.bytecode.BCMethod
serp.bytecode.BCMethod
A method of a class. @author Abe White

Examples of serp.bytecode.BCMethod

        // calendar copy
        Constructor cons = findCopyConstructor(type);
        Class[] params = (cons == null) ? new Class[0] 
            : cons.getParameterTypes();


        BCMethod m = bc.declareMethod("copy", Object.class, 
            new Class[] {Object.class});
        m.makePublic();
        Code code = m.getCode(true);


        code.anew().setType(type);
        code.dup();
        if (params.length == 1) {
            code.aload().setParam(0);
            code.checkcast().setType(params[0]);
        }
        code.invokespecial().setMethod(type, "<init>", void.class, params);
        if (params.length == 0) {
            code.dup();
            code.aload().setParam(0);
            code.checkcast().setType(Calendar.class);
            code.invokevirtual().setMethod(Calendar.class, "getTimeInMillis", 
                long.class, null);
            code.invokevirtual().setMethod(type, "setTimeInMillis", void.class,
                new Class[] { long.class });


            code.dup();
            code.aload().setParam(0);
            code.checkcast().setType(Calendar.class);
            code.invokevirtual().setMethod(Calendar.class, "isLenient", 
                boolean.class, null);
            code.invokevirtual().setMethod(type, "setLenient", void.class,
                new Class[] { boolean.class });


            code.dup();
            code.aload().setParam(0);
            code.checkcast().setType(Calendar.class);
            code.invokevirtual().setMethod(Calendar.class, "getFirstDayOfWeek", 
                int.class, null);
            code.invokevirtual().setMethod(type, "setFirstDayOfWeek", 
                void.class, new Class[] { int.class });


            code.dup();
            code.aload().setParam(0);
            code.checkcast().setType(Calendar.class);
            code.invokevirtual().setMethod(Calendar.class, 
                "getMinimalDaysInFirstWeek", int.class, null);
            code.invokevirtual().setMethod(type, "setMinimalDaysInFirstWeek", 
                void.class, new Class[] { int.class });


            code.dup();
            code.aload().setParam(0);
            code.checkcast().setType(Calendar.class);
            code.invokevirtual().setMethod(Calendar.class, "getTimeZone", 
                TimeZone.class, null);
            code.invokevirtual().setMethod(type, "setTimeZone", void.class,
                new Class[] { TimeZone.class });
        }
        code.areturn();
        code.calculateMaxStack();
        code.calculateMaxLocals();


        // new instance factory
        m = bc.declareMethod("newInstance", ProxyCalendar.class, null); 
        m.makePublic();
        code = m.getCode(true);
        code.anew().setType(bc); 
        code.dup();
        code.invokespecial().setMethod("<init>", void.class, null);
        code.areturn();
        code.calculateMaxStack();
        code.calculateMaxLocals();


        // proxy the protected computeFields method b/c it is called on
        // mutate, and some setters are final and therefore not proxyable
        m = bc.declareMethod("computeFields", void.class, null);
        m.makeProtected();
        code = m.getCode(true);
        code.aload().setThis();
        code.constant().setValue(true);
        code.invokestatic().setMethod(Proxies.class, "dirty", void.class,
            new Class[] { Proxy.class, boolean.class });
        code.aload().setThis();

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Examples of serp.bytecode.BCMethod

    /**
     * Implement the methods in the {@link ProxyBean} interface.
     */
    private void addProxyBeanMethods(BCClass bc, Class type, Constructor cons) {
        // bean copy
        BCMethod m = bc.declareMethod("copy", Object.class, 
            new Class[] { Object.class });
        m.makePublic();
        Code code = m.getCode(true);


        code.anew().setType(type);
        code.dup();
        Class[] params = cons.getParameterTypes();
        if (params.length == 1) {
            code.aload().setParam(0);
            code.checkcast().setType(params[0]);
        }
        code.invokespecial().setMethod(cons);
        if (params.length == 0)
            copyProperties(type, code);
        code.areturn();
        code.calculateMaxStack();
        code.calculateMaxLocals();


        // new instance factory
        m = bc.declareMethod("newInstance", ProxyBean.class, 
            new Class[] { Object.class }); 
        m.makePublic();
        code = m.getCode(true);
        code.anew().setType(bc); 
        code.dup();
        if (params.length == 1) {
            code.aload().setParam(0);
            code.checkcast().setType(params[0]);

View Full Code Here

Examples of serp.bytecode.BCMethod

     * Proxy the given method with one that overrides it by calling into the
     * given helper.
     */
    private void proxyOverrideMethod(BCClass bc, Method meth, 
        Method helper, Class[] params) {
        BCMethod m = bc.declareMethod(meth.getName(), meth.getReturnType(),
            meth.getParameterTypes());
        m.makePublic();
        Code code = m.getCode(true);


        code.aload().setThis();
        for (int i = 1; i < params.length; i++)
            code.xload().setParam(i - 1).setType(params[i]);
        code.invokestatic().setMethod(helper);

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Examples of serp.bytecode.BCMethod

     * Proxy the given method with one that overrides it by calling into the
     * given helper.
     */
    private void proxyBeforeAfterMethod(BCClass bc, Class type, Method meth, 
        Method before, Class[] params, Method after, Class[] afterParams) {
        BCMethod m = bc.declareMethod(meth.getName(), meth.getReturnType(),
            meth.getParameterTypes());
        m.makePublic();
        Code code = m.getCode(true);


        // invoke before
        int beforeRet = -1;
        if (before != null) {
            code.aload().setThis();

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Examples of serp.bytecode.BCMethod

     * Proxy the given setter method to dirty the proxy owner.
     */
    private void proxySetter(BCClass bc, Class type, Method meth) {
        Class[] params = meth.getParameterTypes();
        Class ret = meth.getReturnType();
        BCMethod m = bc.declareMethod(meth.getName(), ret, params);
        m.makePublic();
        Code code = m.getCode(true);
        code.aload().setThis();
        code.constant().setValue(true);
        code.invokestatic().setMethod(Proxies.class, "dirty", void.class,
            new Class[] { Proxy.class, boolean.class });
        code.aload().setThis();

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Examples of serp.bytecode.BCMethod

    /**
     * Add a writeReplace implementation that serializes to a non-proxy type
     * unless detached and this is a build-time generated class.
     */
    private void addWriteReplaceMethod(BCClass bc, boolean runtime) {
        BCMethod m = bc.declareMethod("writeReplace", Object.class, null);
        m.makeProtected();
        m.getExceptions(true).addException(ObjectStreamException.class);
        Code code = m.getCode(true);
        code.aload().setThis();
        code.constant().setValue(!runtime);
        code.invokestatic().setMethod(Proxies.class, "writeReplace", 
            Object.class, new Class[] { Proxy.class, boolean.class });
        code.areturn();

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Examples of serp.bytecode.BCMethod

                AccessController.doPrivileged(
                    J2DoPrivHelper.getDeclaredMethodAction(
                        SMTYPE, "dirty", new Class[]{ String.class })), false);
    
            // pcGetStateManager
            BCMethod meth = _pc.declareMethod(PRE + "GetStateManager",
                StateManager.class, null);
            Code code = meth.getCode(true);
            loadManagedInstance(code, false);
            code.getfield().setField(SM, StateManager.class);
            code.areturn();
            code.calculateMaxStack();
            code.calculateMaxLocals();

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Examples of serp.bytecode.BCMethod

        String name = PRE + StringUtils.capitalize(m.getName());
        Class[] params = m.getParameterTypes();
        Class returnType = m.getReturnType();


        // add the method to the pc
        BCMethod method = _pc.declareMethod(name, returnType, params);
        Code code = method.getCode(true);


        // if (pcStateManager == null) return <default>;
        loadManagedInstance(code, false);
        code.getfield().setField(SM, SMTYPE);
        JumpInstruction ifins = code.ifnonnull();

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Examples of serp.bytecode.BCMethod

    /**
     * Adds the {@link PersistenceCapable#pcGetVersion} method to the bytecode.
     */
    private void addGetVersionMethod()
        throws NoSuchMethodException {
        BCMethod method = _pc.declareMethod(PRE + "GetVersion", Object.class,
            null);
        Code code = method.getCode(true);


        // if (pcStateManager == null)
        loadManagedInstance(code, false);
        code.getfield().setField(SM, SMTYPE);
        JumpInstruction ifins = code.ifnonnull();

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Examples of serp.bytecode.BCMethod

     * Adds the {@link PersistenceCapable#pcReplaceStateManager}
     * method to the bytecode.
     */
    private void addReplaceStateManagerMethod() {
        // public void pcReplaceStateManager (StateManager sm)
        BCMethod method = _pc.declareMethod(PRE + "ReplaceStateManager",
            void.class, new Class[]{ SMTYPE });
        method.getExceptions(true).addException(SecurityException.class);
        Code code = method.getCode(true);


        // if (pcStateManager != null)
        //  pcStateManager = pcStateManager.replaceStateManager(sm);
        loadManagedInstance(code, false);
        code.getfield().setField(SM, SMTYPE);

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