blueprint/blueprint-core/src/main/java/org/apache/aries/blueprint/ext/AbstractPropertyPlaceholderExt.java [111:187]:
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            } else if (metadata instanceof CollectionMetadata) {
                CollectionMetadata cmd = (CollectionMetadata) metadata;
                processingStack.add("Collection of type " + cmd.getCollectionClass() + "->");
                return processCollectionMetadata(cmd);
            } else if (metadata instanceof MapMetadata) {
                processingStack.add("Map->");
                return processMapMetadata((MapMetadata) metadata);
            } else if (metadata instanceof PropsMetadata) {
                processingStack.add("Properties->");
                return processPropsMetadata((PropsMetadata) metadata);
            } else if (metadata instanceof ValueMetadata) {
                processingStack.add("Value->");
                return processValueMetadata((ValueMetadata) metadata);
            } else {
                processingStack.add("Unknown Metadata " + metadata + "->");
                return metadata;
            }
        } finally {
            processingStack.removeLast();
        }
    }

    protected Metadata processBeanMetadata(BeanMetadata component) {
        for (BeanArgument arg :  component.getArguments()) {
            
            try {
                processingStack.add(
                    "Argument index " + arg.getIndex() + " and value type " + arg.getValueType() + "->");
                if(arg instanceof MutableBeanArgument) {
                    ((MutableBeanArgument) arg).setValue(processMetadata(arg.getValue()));
                } else {
                    //Say that we can't change this argument, but continue processing
                    //If the value is mutable then we may be ok!
                    printWarning(arg, "Constructor Argument");
                    processMetadata(arg.getValue());
                }
            } finally {
                processingStack.removeLast();
            }
        }
        for (BeanProperty prop : component.getProperties()) {
          
            try {
                processingStack.add("Property named " + prop.getName() + "->");
                if(prop instanceof MutableBeanProperty) {
                    ((MutableBeanProperty) prop).setValue(processMetadata(prop.getValue()));
                } else {
                    //Say that we can't change this property, but continue processing
                    //If the value is mutable then we may be ok!
                    printWarning(prop, "Injection Property");
                    processMetadata(prop.getValue());
                }
            } finally {
                processingStack.removeLast();
            }
        }
        
        Target factoryComponent = component.getFactoryComponent();
        if(factoryComponent != null) {
            
            try {
                
                if(component instanceof MutableBeanMetadata) {
                    processingStack.add("Factory Component->");
                    ((MutableBeanMetadata) component).setFactoryComponent(
                        (Target) processMetadata(factoryComponent));
                } else {
                    printWarning(component, "Factory Component");
                    processingStack.add("Factory Component->");
                    processMetadata(factoryComponent);
                }
            } finally {
                processingStack.removeLast();
            }
        }
        
        return component;
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blueprint/blueprint-noosgi/src/main/java/org/apache/aries/blueprint/ext/AbstractPropertyPlaceholder.java [119:195]:
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            } else if (metadata instanceof CollectionMetadata) {
                CollectionMetadata cmd = (CollectionMetadata) metadata;
                processingStack.add("Collection of type " + cmd.getCollectionClass() + "->");
                return processCollectionMetadata(cmd);
            } else if (metadata instanceof MapMetadata) {
                processingStack.add("Map->");
                return processMapMetadata((MapMetadata) metadata);
            } else if (metadata instanceof PropsMetadata) {
                processingStack.add("Properties->");
                return processPropsMetadata((PropsMetadata) metadata);
            } else if (metadata instanceof ValueMetadata) {
                processingStack.add("Value->");
                return processValueMetadata((ValueMetadata) metadata);
            } else {
                processingStack.add("Unknown Metadata " + metadata + "->");
                return metadata;
            }
        } finally {
            processingStack.removeLast();
        }
    }

    protected Metadata processBeanMetadata(BeanMetadata component) {
        for (BeanArgument arg :  component.getArguments()) {

            try {
                processingStack.add(
                        "Argument index " + arg.getIndex() + " and value type " + arg.getValueType() + "->");
                if(arg instanceof MutableBeanArgument) {
                    ((MutableBeanArgument) arg).setValue(processMetadata(arg.getValue()));
                } else {
                    //Say that we can't change this argument, but continue processing
                    //If the value is mutable then we may be ok!
                    printWarning(arg, "Constructor Argument");
                    processMetadata(arg.getValue());
                }
            } finally {
                processingStack.removeLast();
            }
        }
        for (BeanProperty prop : component.getProperties()) {

            try {
                processingStack.add("Property named " + prop.getName() + "->");
                if(prop instanceof MutableBeanProperty) {
                    ((MutableBeanProperty) prop).setValue(processMetadata(prop.getValue()));
                } else {
                    //Say that we can't change this property, but continue processing
                    //If the value is mutable then we may be ok!
                    printWarning(prop, "Injection Property");
                    processMetadata(prop.getValue());
                }
            } finally {
                processingStack.removeLast();
            }
        }

        Target factoryComponent = component.getFactoryComponent();
        if(factoryComponent != null) {

            try {

                if(component instanceof MutableBeanMetadata) {
                    processingStack.add("Factory Component->");
                    ((MutableBeanMetadata) component).setFactoryComponent(
                            (Target) processMetadata(factoryComponent));
                } else {
                    printWarning(component, "Factory Component");
                    processingStack.add("Factory Component->");
                    processMetadata(factoryComponent);
                }
            } finally {
                processingStack.removeLast();
            }
        }

        return component;
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