Java DynamicAttributes类代码示例

import javax.servlet.jsp.tagext.DynamicAttributes; //导入依赖的package包/类
public CustomTag(String qName, String prefix, String localName, String uri, Attributes attrs,
		Attributes nonTaglibXmlnsAttrs, Attributes taglibAttrs, Mark start, Node parent, TagInfo tagInfo,
		Class<?> tagHandlerClass) {
	super(qName, localName, attrs, nonTaglibXmlnsAttrs, taglibAttrs, start, parent);

	this.uri = uri;
	this.prefix = prefix;
	this.tagInfo = tagInfo;
	this.tagHandlerClass = tagHandlerClass;
	this.customNestingLevel = makeCustomNestingLevel();
	this.childInfo = new ChildInfo();

	this.implementsIterationTag = IterationTag.class.isAssignableFrom(tagHandlerClass);
	this.implementsBodyTag = BodyTag.class.isAssignableFrom(tagHandlerClass);
	this.implementsTryCatchFinally = TryCatchFinally.class.isAssignableFrom(tagHandlerClass);
	this.implementsSimpleTag = SimpleTag.class.isAssignableFrom(tagHandlerClass);
	this.implementsDynamicAttributes = DynamicAttributes.class.isAssignableFrom(tagHandlerClass);
	this.implementsJspIdConsumer = JspIdConsumer.class.isAssignableFrom(tagHandlerClass);
}
 

import javax.servlet.jsp.tagext.DynamicAttributes; //导入依赖的package包/类
public CustomTag(String qName, String prefix, String localName,
        String uri, Attributes attrs, Attributes nonTaglibXmlnsAttrs,
        Attributes taglibAttrs, Mark start, Node parent,
        TagInfo tagInfo, Class<?> tagHandlerClass) {
    super(qName, localName, attrs, nonTaglibXmlnsAttrs, taglibAttrs,
            start, parent);

    this.uri = uri;
    this.prefix = prefix;
    this.tagInfo = tagInfo;
    this.tagHandlerClass = tagHandlerClass;
    this.customNestingLevel = makeCustomNestingLevel();
    this.childInfo = new ChildInfo();

    this.implementsIterationTag = IterationTag.class
            .isAssignableFrom(tagHandlerClass);
    this.implementsBodyTag = BodyTag.class
            .isAssignableFrom(tagHandlerClass);
    this.implementsTryCatchFinally = TryCatchFinally.class
            .isAssignableFrom(tagHandlerClass);
    this.implementsSimpleTag = SimpleTag.class
            .isAssignableFrom(tagHandlerClass);
    this.implementsDynamicAttributes = DynamicAttributes.class
            .isAssignableFrom(tagHandlerClass);
    this.implementsJspIdConsumer = JspIdConsumer.class
            .isAssignableFrom(tagHandlerClass);
}
 

import javax.servlet.jsp.tagext.DynamicAttributes; //导入依赖的package包/类
public CustomTag(String qName, String prefix, String localName,
        String uri, Attributes attrs, Attributes nonTaglibXmlnsAttrs,
        Attributes taglibAttrs, Mark start, Node parent,
        TagInfo tagInfo, Class tagHandlerClass) {
    super(qName, localName, attrs, nonTaglibXmlnsAttrs, taglibAttrs,
            start, parent);

    this.uri = uri;
    this.prefix = prefix;
    this.tagInfo = tagInfo;
    this.tagHandlerClass = tagHandlerClass;
    this.customNestingLevel = makeCustomNestingLevel();
    this.childInfo = new ChildInfo();

    this.implementsIterationTag = IterationTag.class
            .isAssignableFrom(tagHandlerClass);
    this.implementsBodyTag = BodyTag.class
            .isAssignableFrom(tagHandlerClass);
    this.implementsTryCatchFinally = TryCatchFinally.class
            .isAssignableFrom(tagHandlerClass);
    this.implementsSimpleTag = SimpleTag.class
            .isAssignableFrom(tagHandlerClass);
    this.implementsDynamicAttributes = DynamicAttributes.class
            .isAssignableFrom(tagHandlerClass);
    this.implementsJspIdConsumer = JspIdConsumer.class
            .isAssignableFrom(tagHandlerClass);
}
 

import javax.servlet.jsp.tagext.DynamicAttributes; //导入依赖的package包/类
public CustomTag(String jspVersion, String qName, String prefix,
                        String localName,
		 String uri, Attributes attrs,
		 Attributes nonTaglibXmlnsAttrs,
		 Attributes taglibAttrs,
		 Mark start, Node parent, TagInfo tagInfo,
		 Class tagHandlerClass) {
           super(qName, localName, attrs, nonTaglibXmlnsAttrs, taglibAttrs,
                 start, parent);

           this.jspVersion = Double.valueOf(jspVersion).doubleValue();
    this.uri = uri;
    this.prefix = prefix;
    this.tagInfo = tagInfo;
    this.tagHandlerClass = tagHandlerClass;
    this.customNestingLevel = makeCustomNestingLevel();
           this.childInfo = new ChildInfo();

    this.implementsIterationTag = 
	IterationTag.class.isAssignableFrom(tagHandlerClass);
    this.implementsBodyTag =
	BodyTag.class.isAssignableFrom(tagHandlerClass);
    this.implementsTryCatchFinally = 
	TryCatchFinally.class.isAssignableFrom(tagHandlerClass);
    this.implementsSimpleTag = 
	SimpleTag.class.isAssignableFrom(tagHandlerClass);
    this.implementsDynamicAttributes = 
	DynamicAttributes.class.isAssignableFrom(tagHandlerClass);
}
 

import javax.servlet.jsp.tagext.DynamicAttributes; //导入依赖的package包/类
/**
 * @param customTag
 */
private void setupDynamicAttributes(Tag customTag) {
    Class custamTagClass = getTagClass(customTag);
    if ((DynamicAttributes.class.isAssignableFrom(custamTagClass)) == false) {
        String message =
            StringUtil.getMessage(
                    JspProcessor.class, 0,
                    custamTagClass.getName(),
                    DynamicAttributes.class.getName());
        throw new IllegalArgumentException(message);
    }

    // 明示的に指定されている属性を列挙
    Set definedQNames = new HashSet();
    for (Iterator it = iterateProperties(); it.hasNext();) {
        ProcessorProperty property = (ProcessorProperty) it.next();
        definedQNames.add(property.getName().getQName());
    }

    for (Iterator it = getInjectedNode().iterateAttribute(); it.hasNext();) {
        NodeAttribute attr = (NodeAttribute) it.next();
        QName qName = attr.getQName();

        // 明示されている属性、ネームスペースがMayaaの属性は処理が決まっているため動的属性として扱わない
        if (definedQNames.contains(qName)
                || CONST_IMPL.URI_MAYAA.equals(qName.getNamespaceURI())) {
            continue;
        }

        try {
            // 式を実行してからsetDynamicAttribute
            CompiledScript script =
                ScriptUtil.compile(attr.getValue(), Object.class);
            Object execValue = script.execute(null);

            toDynamicAttributes(customTag).setDynamicAttribute(
                         qName.getNamespaceURI().getValue(),
                         qName.getLocalName(),
                         execValue);
        } catch (JspException e) {
            throw createJspRuntimeException(
                    getOriginalNode(), getInjectedNode(), e);
        }
    }
}
 

import javax.servlet.jsp.tagext.DynamicAttributes; //导入依赖的package包/类
/**
 * customTagのDynamicAttributesを取得します。
 * customTagがSimpleTagWrapperの場合、実体となるSimpleTagオブジェクトの
 * DynamicAttributesを取得します。
 *
 * @param customTag DynamicAttributesを取得するカスタムタグインスタンス
 * @return customTagのDynamicAttributes
 */
private DynamicAttributes toDynamicAttributes(Tag customTag) {
    if (customTag instanceof SimpleTagWrapper) {
        return (DynamicAttributes) ((SimpleTagWrapper) customTag).getSimpleTag();
    }
    return (DynamicAttributes) customTag;
}