java.fedora.client.bmech.xml.DSInputSpecGenerator Maven / Gradle / Ivy

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The Fedora Client is a Java Library that allows API access to a Fedora Repository. The client is typically one part of a full Fedora installation.

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/*
 * -----------------------------------------------------------------------------
 *
 * License and Copyright: The contents of this file are subject to the
 * Apache License, Version 2.0 (the "License"); you may not use 
 * this file except in compliance with the License. You may obtain a copy of 
 * the License at 
 * http://www.fedora-commons.org/licenses.
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
 * the specific language governing rights and limitations under the License.
 *
 * The entire file consists of original code.
 * Copyright © 2008 Fedora Commons, Inc.

 * 
Copyright © 2002-2007 The Rector and Visitors of the University of 
 * Virginia and Cornell University
 
 * All rights reserved.
 *
 * -----------------------------------------------------------------------------
 */
package fedora.client.bmech.xml;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import javax.xml.transform.dom.DOMResult;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.ParserConfigurationException;

import fedora.client.bmech.data.*;
import fedora.client.bmech.BMechBuilderException;

/**
 *
 * Title: DSInputSpecGenerator.java
 * Description: 
 *
 * @author [email protected]
 * @version $Id: DSInputSpecGenerator.java 4984 2006-07-17 16:59:13Z rlw $
 */
public class DSInputSpecGenerator
{
  private static final String FBS =
    "http://fedora.comm.nsdlib.org/service/bindspec";

  private static final String XMLNS = "http://www.w3.org/2000/xmlns/";

  private Document document;

  public DSInputSpecGenerator(BMechTemplate newBMech) throws BMechBuilderException
  {
    createDOM();
    genDSInputSpec(newBMech);
  }

  private void createDOM() throws BMechBuilderException
  {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    try
    {
        DocumentBuilder builder =   factory.newDocumentBuilder();
        document = builder.newDocument();

    }
    catch (ParserConfigurationException pce)
    {
      // Parser with specified options can't be built
      pce.printStackTrace();
      throw new BMechBuilderException("DSInputSpecGenerator: error configuring parser."
        + "Underlying exception: " + pce.getMessage());
    }
  }

  private void genDSInputSpec(BMechTemplate newBMech)
  {
    DSInputRule[] rules = newBMech.getDSInputSpec();

    Element root = (Element)document.createElementNS(FBS, "fbs:DSInputSpec");
    root.setAttributeNS(XMLNS, "xmlns:fbs", FBS);
    String bmlabel = (newBMech.getbObjLabel() == null) ? "" : newBMech.getbObjLabel();
    root.setAttribute("label", ("Datastream Input Specification for " + bmlabel));
    String bDefPID = (newBMech.getbDefContractPID() == null) ? "" : newBMech.getbDefContractPID();
    root.setAttribute("bDefPID", bDefPID);
    document.appendChild(root);

    for (int i=0; i