Package org.apache.tapestry.ioc.util

Examples of org.apache.tapestry.ioc.util.BodyBuilder.begin()

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        boolean isVoid = returnType.equals(void.class);

        // We'll see how well Javassist handles void methods with this setup

        BodyBuilder builder = new BodyBuilder();
        builder.begin();
        builder.addln("boolean debug = _logger.isDebugEnabled();");

        builder.addln("if (debug)");
        builder.addln("  _logger.entry(%s, $args);", name);
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        builder.addln("if (debug)");
        builder.addln("  _logger.entry(%s, $args);", name);

        builder.addln("try");
        builder.begin();

        if (!isVoid)
            builder.add("%s result = ", toJavaClassName(returnType));

        builder.addln("_delegate.%s($$);", signature.getName());
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    }

    private void addDelegateGetter(ClassFab cf, Class serviceInterface, String serviceId)
    {
        BodyBuilder builder = new BodyBuilder();
        builder.begin();

        // Check to see if the registry has shutdown. The registryShutdown() method
        // throws IllegalStateException.

        builder.addln("if (_shutdown) %s.registryShutdown(\"%s\");", IOCProxyUtilities.class
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                .getName(), serviceId);

        // We can release the creator after invoking it, we only create the service once.

        builder.addln("if (_delegate == null)");
        builder.begin();
        builder.addln("_delegate = (%s) _creator.createObject();", serviceInterface.getName());
        builder.addln("_creator = null;");
        builder.end();

        builder.addln("return _delegate;");
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        }

        String defaultValue = defaultForReturnType(returnType);

        BodyBuilder builder = new BodyBuilder();
        builder.begin();

        builder.addln("%s result = %s;", ClassFabUtils.toJavaClassName(returnType), defaultValue);
        builder.addln("for (int i = 0; i < _commands.length; i++)");

        builder.begin();
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        builder.begin();

        builder.addln("%s result = %s;", ClassFabUtils.toJavaClassName(returnType), defaultValue);
        builder.addln("for (int i = 0; i < _commands.length; i++)");

        builder.begin();
        builder.addln("result = _commands[i].%s($$);", sig.getName());

        builder.addln("if (result != %s) break;", defaultValue);

        builder.end();
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    private void addVoidMethod(ClassFab cf, Class commandInterface, MethodSignature sig)
    {
        BodyBuilder builder = new BodyBuilder();

        builder.begin();

        builder.addln("for (int i = 0; i < _commands.length; i++)");
        builder.addln("  _commands[i].%s($$);", sig.getName());

        builder.end();
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        boolean isVoid = returnType.equals(void.class);

        // We'll see how well Javassist handles void methods with this setup

        BodyBuilder builder = new BodyBuilder();
        builder.begin();
        builder.addln("boolean debug = _logger.isDebugEnabled();");

        builder.addln("if (debug)");
        builder.addln("  _logger.entry(%s, $args);", name);
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        builder.addln("if (debug)");
        builder.addln("  _logger.entry(%s, $args);", name);

        builder.addln("try");
        builder.begin();

        if (!isVoid) builder.add("%s result = ", toJavaClassName(returnType));

        builder.addln("_delegate.%s($$);", signature.getName());
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        // No methods, no work.

        if (methods.isEmpty()) return;

        BodyBuilder builder = new BodyBuilder();
        builder.begin();

        builder.addln("if ($1.isAborted()) return $_;");

        for (MethodSignature method : methods)
            addCodeForMethod(builder, method, transformation);
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