Example usage for org.springframework.beans.factory.parsing ConstructorArgumentEntry ConstructorArgumentEntry

Introduction

In this page you can find the example usage for org.springframework.beans.factory.parsing ConstructorArgumentEntry ConstructorArgumentEntry.

Prototype

public ConstructorArgumentEntry(int index) 

Source Link

Document

Creates a new instance of the ConstructorArgumentEntry class representing a constructor argument at the supplied index .

Usage

From source file:org.eclipse.gemini.blueprint.blueprint.config.internal.BlueprintParser.java

private void parseConstructorArgElement(Element ele, AbstractBeanDefinition beanDefinition) {

    String indexAttr = ele.getAttribute(BeanDefinitionParserDelegate.INDEX_ATTRIBUTE);
    String typeAttr = ele.getAttribute(BeanDefinitionParserDelegate.TYPE_ATTRIBUTE);

    boolean hasIndex = false;
    int index = -1;

    if (StringUtils.hasLength(indexAttr)) {
        hasIndex = true;//ww w.jav  a 2s .com
        try {
            index = Integer.parseInt(indexAttr);
        } catch (NumberFormatException ex) {
            error("Attribute 'index' of tag 'constructor-arg' must be an integer", ele);
        }

        if (index < 0) {
            error("'index' cannot be lower than 0", ele);
        }
    }

    try {
        this.parseState.push(hasIndex ? new ConstructorArgumentEntry(index) : new ConstructorArgumentEntry());

        ConstructorArgumentValues values = beanDefinition.getConstructorArgumentValues();
        // Blueprint failure (index duplication)
        Integer indexInt = Integer.valueOf(index);
        if (values.getIndexedArgumentValues().containsKey(indexInt)) {
            error("duplicate 'index' with value=[" + index + "] specified", ele);
        }

        Object value = parsePropertyValue(ele, beanDefinition, null);
        ConstructorArgumentValues.ValueHolder valueHolder = new ConstructorArgumentValues.ValueHolder(value);
        if (StringUtils.hasLength(typeAttr)) {
            valueHolder.setType(typeAttr);
        }
        valueHolder.setSource(extractSource(ele));

        if (hasIndex) {
            values.addIndexedArgumentValue(index, valueHolder);
        } else {
            values.addGenericArgumentValue(valueHolder);
        }
        // Blueprint failure (mixed index/non-indexed arguments)
        if (!values.getGenericArgumentValues().isEmpty() && !values.getIndexedArgumentValues().isEmpty()) {
            error("indexed and non-indexed constructor arguments are not supported by Blueprint; "
                    + "consider using the Spring namespace instead", ele);
        }
    } finally {
        this.parseState.pop();
    }
}

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From source file:org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.java

/**
 * Parse a constructor-arg element.//from w ww .  j  a  v  a  2s .  co  m
 */
public void parseConstructorArgElement(Element ele, BeanDefinition bd) {
    String indexAttr = ele.getAttribute(INDEX_ATTRIBUTE);
    String typeAttr = ele.getAttribute(TYPE_ATTRIBUTE);
    String nameAttr = ele.getAttribute(NAME_ATTRIBUTE);
    if (StringUtils.hasLength(indexAttr)) {
        try {
            int index = Integer.parseInt(indexAttr);
            if (index < 0) {
                error("'index' cannot be lower than 0", ele);
            } else {
                try {
                    this.parseState.push(new ConstructorArgumentEntry(index));
                    Object value = parsePropertyValue(ele, bd, null);
                    ConstructorArgumentValues.ValueHolder valueHolder = new ConstructorArgumentValues.ValueHolder(
                            value);
                    if (StringUtils.hasLength(typeAttr)) {
                        valueHolder.setType(typeAttr);
                    }
                    if (StringUtils.hasLength(nameAttr)) {
                        valueHolder.setName(nameAttr);
                    }
                    valueHolder.setSource(extractSource(ele));
                    if (bd.getConstructorArgumentValues().hasIndexedArgumentValue(index)) {
                        error("Ambiguous constructor-arg entries for index " + index, ele);
                    } else {
                        bd.getConstructorArgumentValues().addIndexedArgumentValue(index, valueHolder);
                    }
                } finally {
                    this.parseState.pop();
                }
            }
        } catch (NumberFormatException ex) {
            error("Attribute 'index' of tag 'constructor-arg' must be an integer", ele);
        }
    } else {
        try {
            this.parseState.push(new ConstructorArgumentEntry());
            Object value = parsePropertyValue(ele, bd, null);
            ConstructorArgumentValues.ValueHolder valueHolder = new ConstructorArgumentValues.ValueHolder(
                    value);
            if (StringUtils.hasLength(typeAttr)) {
                valueHolder.setType(typeAttr);
            }
            if (StringUtils.hasLength(nameAttr)) {
                valueHolder.setName(nameAttr);
            }
            valueHolder.setSource(extractSource(ele));
            bd.getConstructorArgumentValues().addGenericArgumentValue(valueHolder);
        } finally {
            this.parseState.pop();
        }
    }
}

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