Example usage for org.apache.commons.jelly TagSupport findAncestorWithClass

Introduction

In this page you can find the example usage for org.apache.commons.jelly TagSupport findAncestorWithClass.

Prototype

public static Tag findAncestorWithClass(Tag from, Class[] tagClasses) 

Source Link

Document

Searches up the parent hierarchy from the given tag for a Tag matching one or more of given types.

Usage

From source file:hudson.Functions.java

/**
 * Used to assist form databinding. Given the "attrs" object,
 * find the ancestor tag file of the given name.
 *//*from   w  w  w.  ja va 2  s  . c o m*/
public Tag findAncestorTag(Map attributes, String nsUri, String local) {
    Tag tag = (Tag) attributes.get("ownerTag");
    if (tag == null)
        return null;

    while (true) {
        tag = TagSupport.findAncestorWithClass(tag.getParent(), StaplerDynamicTag.class);
        if (tag == null)
            return null;
        StaplerDynamicTag stag = (StaplerDynamicTag) tag;
        if (stag.getLocalName().equals(local) && stag.getNsUri().equals(nsUri))
            return tag;
    }
}

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