NodeFilter.java

package folioxml.xml;

import folioxml.core.InvalidMarkupException;
import folioxml.core.TokenUtils;

public class NodeFilter implements IFilter {

    public NodeFilter() {
    }


    public NodeFilter(String tagName) {
        tagNameRegex = tagName;
    }

    public NodeFilter(String attrName, String attrValRegex) {
        this.attrName = attrName;
        this.attrValRegex = attrValRegex;
    }

    public NodeFilter(String tagName, String attrName, String attrValRegex) {
        tagNameRegex = tagName;
        this.attrName = attrName;
        this.attrValRegex = attrValRegex;
    }

    String tagNameRegex = null;
    String attrName = null;
    String attrValRegex = null;


    public boolean matches(Node n) throws InvalidMarkupException {
        if (tagNameRegex != null) {
            if (!TokenUtils.fastMatches(tagNameRegex, n.getTagNameSilent())) return false;
        }
        if (attrName != null) {
            String val = n.get(attrName);
            if (val == null) return false;
            if (attrValRegex != null) {
                if (!TokenUtils.fastMatches(attrValRegex, val)) return false;
            }
        }
        return true;
    }

}