import com.sun.org.apache.xml.internal.security.utils.HelperNodeList; //导入依赖的package包/类
/**
 * Method newInstances
 *
 * @param doc
 * @param params
 * @return the nodelist with the data
 */
public static NodeList newInstances(Document doc, String[][] params) {
    HelperNodeList nl = new HelperNodeList();

    XMLUtils.addReturnToElement(doc, nl);

    for (int i = 0; i < params.length; i++) {
        String type = params[i][0];
        String xpath = params[i][1];

        if (!(type.equals(XPath2FilterContainer._ATT_FILTER_VALUE_INTERSECT)
            || type.equals(XPath2FilterContainer._ATT_FILTER_VALUE_SUBTRACT)
            || type.equals(XPath2FilterContainer._ATT_FILTER_VALUE_UNION))){
            throw new IllegalArgumentException("The type(" + i + ")=\"" + type
                                               + "\" is illegal");
        }

        XPath2FilterContainer c = new XPath2FilterContainer(doc, xpath, type);

        nl.appendChild(c.getElement());
        XMLUtils.addReturnToElement(doc, nl);
    }

    return nl;
}
 

import com.sun.org.apache.xml.internal.security.utils.HelperNodeList; //导入依赖的package包/类
/**
 * Method newInstances
 *
 * @param doc
 * @param params
 * @return the nodelist with the data
 */
public static NodeList newInstances(Document doc, String[][] params) {

   HelperNodeList nl = new HelperNodeList();

   XMLUtils.addReturnToElement(doc, nl);

   for (int i = 0; i < params.length; i++) {
      String type = params[i][0];
      String xpath = params[i][1];

      if (!(type.equals(XPath2FilterContainer
              ._ATT_FILTER_VALUE_INTERSECT) || type
                 .equals(XPath2FilterContainer
                 ._ATT_FILTER_VALUE_SUBTRACT) || type
                    .equals(XPath2FilterContainer
                       ._ATT_FILTER_VALUE_UNION))) {
         throw new IllegalArgumentException("The type(" + i + ")=\"" + type
                                            + "\" is illegal");
      }

      XPath2FilterContainer c = new XPath2FilterContainer(doc, xpath, type);

      nl.appendChild(c.getElement());
      XMLUtils.addReturnToElement(doc, nl);
   }

   return nl;
}
 

import com.sun.org.apache.xml.internal.security.utils.HelperNodeList; //导入依赖的package包/类
/**
 * Generates a Transform object that implements the specified
 * <code>Transform algorithm</code> URI.
 *
 * @param algorithmURI <code>Transform algorithm</code> URI representation,
 * such as specified in
 * <a href=http://www.w3.org/TR/xmldsig-core/#sec-TransformAlg>Transform algorithm </a>
 * @param contextChild the child element of <code>Transform</code> element
 * @param doc the proxy {@link Document}
 * @return <code>{@link Transform}</code> object
 * @throws InvalidTransformException
 */
public static Transform getInstance(
    Document doc, String algorithmURI, Element contextChild)
    throws InvalidTransformException {

    HelperNodeList contextNodes = new HelperNodeList();

    XMLUtils.addReturnToElement(doc, contextNodes);
    contextNodes.appendChild(contextChild);
    XMLUtils.addReturnToElement(doc, contextNodes);

    return getInstance(doc, algorithmURI, contextNodes);
}