import com.sun.org.apache.xml.internal.security.keys.content.DEREncodedKeyValue; //导入依赖的package包/类
/** {@inheritDoc}. */
public PublicKey engineLookupAndResolvePublicKey(Element element, String baseURI, StorageResolver storage)
    throws KeyResolverException {

    if (log.isLoggable(java.util.logging.Level.FINE)) {
        log.log(java.util.logging.Level.FINE, "Can I resolve " + element.getTagName());
    }

    if (!engineCanResolve(element, baseURI, storage)) {
        return null;
    }

    try {
        DEREncodedKeyValue derKeyValue = new DEREncodedKeyValue(element, baseURI);
        return derKeyValue.getPublicKey();
    } catch (XMLSecurityException e) {
        if (log.isLoggable(java.util.logging.Level.FINE)) {
            log.log(java.util.logging.Level.FINE, "XMLSecurityException", e);
        }
    }

    return null;
}
 

import com.sun.org.apache.xml.internal.security.keys.content.DEREncodedKeyValue; //导入依赖的package包/类
/**
 * Method itemDEREncodedKeyValue
 *
 * @param i
 * @return the asked DEREncodedKeyValue element, null if the index is too big
 * @throws XMLSecurityException
 */
public DEREncodedKeyValue itemDEREncodedKeyValue(int i) throws XMLSecurityException {
    Element e =
        XMLUtils.selectDs11Node(
            this.constructionElement.getFirstChild(), Constants._TAG_DERENCODEDKEYVALUE, i);

    if (e != null) {
        return new DEREncodedKeyValue(e, this.baseURI);
    }
    return null;
}
 

import com.sun.org.apache.xml.internal.security.keys.content.DEREncodedKeyValue; //导入依赖的package包/类
/**
 * Method addDEREncodedKeyValue
 *
 * @param pk
 * @throws XMLSecurityException
 */
public void addDEREncodedKeyValue(PublicKey pk) throws XMLSecurityException {
    this.add(new DEREncodedKeyValue(this.doc, pk));
}
 

import com.sun.org.apache.xml.internal.security.keys.content.DEREncodedKeyValue; //导入依赖的package包/类
/**
 * Method add
 *
 * @param derEncodedKeyValue
 */
public void add(DEREncodedKeyValue derEncodedKeyValue) {
    this.constructionElement.appendChild(derEncodedKeyValue.getElement());
    XMLUtils.addReturnToElement(this.constructionElement);
}