Metacat

/**

 *    Purpose: A Class that represents an XML element and its contents,

 *             and can build itself from a database connection

 *  Copyright: 2000 Regents of the University of California and the

 *             National Center for Ecological Analysis and Synthesis

 *    Authors: Matt Jones

 *     '$Date$'

 * '$Revision$'

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import java.sql.*;

import java.io.IOException;

import java.util.Iterator;

import java.util.TreeSet;

 * A Class that represents an XML element and its contents,

 * and can build itself from a database connection

 */

   * Construct a new ElementNode instance, and recursively create its children

   *

   * @param nodeRecordList the nodedata to use to initialize, which is a

   *        TreeSet of NodeRecord objects

   * @param nodeid the identifier for the node to be created

   */

  public ElementNode (TreeSet nodeRecordList, long nodeid) {

    Iterator it = nodeRecordList.iterator();

    while (it.hasNext()) {

      NodeRecord currentNode = (NodeRecord)it.next();

        logMetacat.info("Got Node ID: " + currentNode.getNodeId() +

                          " (" + currentNode.getParentNodeId() +

                          ", " + currentNode.getNodeIndex() +

                          ", " + currentNode.getNodeType() + ")");

        setNodeID(currentNode.getNodeId());

        setParentID(currentNode.getParentNodeId());

        setTagName(currentNode.getNodeName());

        // Process the children nodes

        	logMetacat.info("  Processing child: " + currentNode.getNodeId() +

                          " (" + currentNode.getParentNodeId() +

                          ", " + currentNode.getNodeIndex() +

                          ", " + currentNode.getNodeType() + ")");

        	logMetacat.info("Creating child node: " + currentNode.getNodeId());

            setAttribute(currentNode.getNodeName(),currentNode.getNodeData());

          } else if (currentNode.getNodeType().equals("TEXT")) {

            TextNode child = new TextNode(currentNode.getNodeId(),

                                          currentNode.getParentNodeId(),

                                          currentNode.getNodeData());

            CommentNode child = new CommentNode(currentNode.getNodeId(),

                                                currentNode.getParentNodeId(),

                                                currentNode.getNodeData());

            PINode child = new PINode(currentNode.getNodeId(),

                                      currentNode.getParentNodeId(),

                                      currentNode.getNodeName(),

                                      currentNode.getNodeData());

          }

                          " (" + currentNode.getParentNodeId() +

                          ", " + currentNode.getNodeIndex() +

                          ", " + currentNode.getNodeType() + ")");

      }

    }

   * String representation for display purposes (recursively descends through

   * children to create an XML subtree)

   */

  public String toString () {

    String nodetype = getNodeType();

      value.append('<');

      value.append(getTagName());

      value.append(getAttributes().toString());

      value.append('>');

    }

    BasicNode child = null;

    Enumeration e = getChildren();

    while (e.hasMoreElements()) {

      child = (BasicNode)e.nextElement();

      value.append(child);

    }

      value.append("</");

      value.append(getTagName());

      value.append('>');

  }