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The core XML data binding framework with support for marshalling Java objects to and unmarshalling from XML documents.

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/**
 * Redistribution and use of this software and associated documentation ("Software"), with or
 * without modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain copyright statements and notices. Redistributions
 * must also contain a copy of this document.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided with
 * the distribution.
 *
 * 3. The name "Exolab" must not be used to endorse or promote products derived from this Software
 * without prior written permission of Intalio, Inc. For written permission, please contact
 * [email protected].
 *
 * 4. Products derived from this Software may not be called "Exolab" nor may "Exolab" appear in
 * their names without prior written permission of Intalio, Inc. Exolab is a registered trademark of
 * Intalio, Inc.
 *
 * 5. Due credit should be given to the Exolab Project (http://www.exolab.org/).
 *
 * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESSED OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTALIO, INC. OR ITS
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Copyright 1999 (C) Intalio, Inc. All Rights Reserved.
 *
 * $Id$
 */

package org.exolab.castor.dsml.jndi;

import javax.naming.NamingException;
import javax.naming.NamingEnumeration;
import javax.naming.directory.Attribute;
import javax.naming.directory.Attributes;
import javax.naming.directory.SearchResult;
import org.xml.sax.DocumentHandler;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributeListImpl;
import org.castor.core.util.Base64Encoder;
import org.exolab.castor.dsml.XML;
import org.exolab.castor.dsml.Producer;
import org.exolab.castor.dsml.ImportExportException;

/**
 * @author Assaf Arkin
 * @version $Revision$ $Date: 2005-08-05 13:58:36 -0600 (Fri, 05 Aug 2005) $
 */
public class JNDIProducer extends Producer {
  public JNDIProducer(final DocumentHandler docHandler, final boolean namespace) {
    super(docHandler, namespace);
  }

  public void produce(final String name, final Attributes attrs)
      throws SAXException, NamingException {
    AttributeListImpl attrList;
    Attribute attr;

    leaveSchema();
    enterDirectory();

    // dsml:entry dn
    attrList = new AttributeListImpl();
    attrList.addAttribute(XML.Entries.Attributes.DN, "CDATA", name);
    // dsml:entry
    _docHandler.startElement(prefix(XML.Entries.Elements.ENTRY), attrList);

    if (attrs != null) {
      attr = attrs.get("objectclass");
      if (attr != null) {
        // dsml:objectclass
        attrList = new AttributeListImpl();
        _docHandler.startElement(prefix(XML.Entries.Elements.OBJECT_CLASS), attrList);
        NamingEnumeration values = attr.getAll();
        while (values.hasMore()) {
          char[] chars;

          // dsml:oc-value
          Object value = values.next();
          if (value != null) {
            chars = value.toString().toCharArray();
          } else {
            chars = new char[0];
          }
          attrList = new AttributeListImpl();
          _docHandler.startElement(prefix(XML.Entries.Elements.OBJECT_CLASS_VALUE), attrList);
          _docHandler.characters(chars, 0, chars.length);
          _docHandler.endElement(prefix(XML.Entries.Elements.OBJECT_CLASS_VALUE));
        }
        _docHandler.endElement(prefix(XML.Entries.Elements.OBJECT_CLASS));
      }

      NamingEnumeration enumeration = attrs.getAll();
      while (enumeration.hasMore()) {
        // dsml:attr
        attr = enumeration.next();
        if (attr.getID().equals("objectclass")) {
          continue;
        }
        attrList = new AttributeListImpl();
        attrList.addAttribute(XML.Entries.Attributes.NAME, "CDATA", attr.getID());
        _docHandler.startElement(prefix(XML.Entries.Elements.ATTRIBUTE), attrList);

        NamingEnumeration values = attr.getAll();
        while (values.hasMore()) {
          char[] chars = null;
          byte[] bytes = null;

          attrList = new AttributeListImpl();

          // dsml:value
          Object value = values.next();
          if (value == null) {
            chars = new char[0];
          } else if (value instanceof String) {
            chars = ((String) value).toCharArray();
          } else if (value instanceof byte[]) {
            bytes = (byte[]) value;
          } else {
            chars = value.toString().toCharArray();
          }
          if (chars != null) {
            boolean encode = false;
            boolean wchar = false;
            int i = 0;
            while (i < chars.length && !wchar) {
              char c = chars[i++];
              if (c >= '\u0100') {
                encode = true;
                wchar = true;
              } else if (c >= '\u0080' || (c < ' ' && c != '\n' && c != '\t')) {
                encode = true;
              }
            }
            if (encode) {
              if (wchar) {
                bytes = new byte[chars.length << 1];
                int j = 0;
                // big endian
                for (i = 0; i < chars.length; i++) {
                  bytes[j++] = (byte) (chars[i] >> 8);
                  bytes[j++] = (byte) (0xff & chars[i]);
                }
              } else {
                bytes = new byte[chars.length];
                for (i = 0; i < chars.length; i++) {
                  bytes[i] = (byte) chars[i];
                }
              }
            }
          }

          if (bytes != null) {
            chars = Base64Encoder.encode(bytes);
            attrList.addAttribute(XML.Entries.Attributes.ENCODING, "NMTOKEN",
                XML.Entries.Attributes.Encodings.BASE64);
          }
          _docHandler.startElement(prefix(XML.Entries.Elements.VALUE), attrList);
          _docHandler.characters(chars, 0, chars.length);
          _docHandler.endElement(prefix(XML.Entries.Elements.VALUE));
        }
        _docHandler.endElement(prefix(XML.Entries.Elements.ATTRIBUTE));
      }
    }
    _docHandler.endElement(prefix(XML.Entries.Elements.ENTRY));
  }

  public void produce(final SearchResult result) throws SAXException {
    try {
      produce(result.getName(), result.getAttributes());
    } catch (NamingException except) {
      throw new SAXException(except.toString());
    }
  }

  public void produce(final NamingEnumeration results)
      throws ImportExportException, SAXException {
    try {
      while (results.hasMore()) {
        SearchResult result = results.next();
        produce(result.getName(), result.getAttributes());
      }
    } catch (NamingException except) {
      throw new ImportExportException(except);
    }
  }
}




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