/*
 * $Id$
 *
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2000 The Apache Software Foundation.  All rights 
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 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 end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:  
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Xerces" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written 
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``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 THE APACHE SOFTWARE FOUNDATION 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 1999, Sun Microsystems, Inc., 
 * http://www.sun.com.  For more information on the Apache Software 
 * Foundation, please see <http://www.apache.org/>.
 */


package org.apache.xerces.jaxp;

import java.io.IOException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.DOMImplementation;
import org.w3c.dom.DocumentType;

import org.xml.sax.XMLReader;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.EntityResolver;
import org.xml.sax.ErrorHandler;
import org.xml.sax.helpers.DefaultHandler;

import org.apache.xerces.parsers.DOMParser;
import org.apache.xerces.dom.DOMImplementationImpl;

/**
 * @author Rajiv Mordani
 * @author Edwin Goei
 * @version $Revision$
 */
public class DocumentBuilderImpl extends DocumentBuilder {
    /** Xerces features */
    static final String XERCES_FEATURE_PREFIX =
                                        "http://apache.org/xml/features/";
    static final String CREATE_ENTITY_REF_NODES_FEATURE =
                                        "dom/create-entity-ref-nodes";
    static final String INCLUDE_IGNORABLE_WHITESPACE =
                                        "dom/include-ignorable-whitespace";

    private DocumentBuilderFactory dbf;

    private EntityResolver er = null;
    private ErrorHandler eh = null;
    private DOMParser domParser = null;

    private boolean namespaceAware = false;
    private boolean validating = false;

    DocumentBuilderImpl(DocumentBuilderFactory dbf)
        throws ParserConfigurationException
    {
        this.dbf = dbf;

        domParser = new DOMParser();

        try {
            // Validation
            validating = dbf.isValidating();
            String validation = "http://xml.org/sax/features/validation";
            domParser.setFeature(validation, validating);

            // If validating, provide a default ErrorHandler that prints
            // validation errors with a warning telling the user to set an
            // ErrorHandler
            if (validating) {
                setErrorHandler(new DefaultValidationErrorHandler());
            }

            // XXX Ignore unimplemented features for now
            try {
                // Set various parameters obtained from DocumentBuilderFactory
                domParser.setFeature(XERCES_FEATURE_PREFIX +
                                     INCLUDE_IGNORABLE_WHITESPACE,
                                     !dbf.isIgnoringElementContentWhitespace());
                domParser.setFeature(XERCES_FEATURE_PREFIX +
                                     CREATE_ENTITY_REF_NODES_FEATURE,
                                     !dbf.isExpandEntityReferences());
                // XXX No way to control dbf.isIgnoringComments() or
                // dbf.isCoalescing()
            } catch (SAXException e) {
            }
        } catch (SAXException e) {
            // Handles both SAXNotSupportedException, SAXNotRecognizedException
            throw new ParserConfigurationException(e.getMessage());
        }
    }

    /**
     * Non-preferred: use the getDOMImplementation() method instead of this
     * one
     */
    public Document newDocument() {
        DOMImplementation di = getDOMImplementation();
        // XXX What should the root element be named???
        String qName = "root";
        DocumentType docType = di.createDocumentType(qName, null, null);
        return di.createDocument(null, qName, docType);
    }

    public DOMImplementation getDOMImplementation() {
        return DOMImplementationImpl.getDOMImplementation();
    }

    public Document parse(InputSource is) throws SAXException, IOException {
        if (is == null) {
            throw new IllegalArgumentException("InputSource cannot be null");
        }

        if (er != null) {
            domParser.setEntityResolver(er);
        }

        if (eh != null) {
            domParser.setErrorHandler(eh);      
        }

        domParser.parse(is);
        return domParser.getDocument();
    }

    public boolean isNamespaceAware() {
        return namespaceAware;
    }

    public boolean isValidating() {
        return validating;
    }

    public void setEntityResolver(org.xml.sax.EntityResolver er) {
        this.er = er;
    }

    public void setErrorHandler(org.xml.sax.ErrorHandler eh) {
        // If app passes in a ErrorHandler of null, then ignore all errors
        // and warnings
        this.eh = (eh == null) ? new DefaultHandler() : eh;
    }
}

@@ -4816,72 +4816,231 @@
  // 
-XXX Ignore unimplemented features for now%0A            try %7B%0A    
+%22namespaceAware%22 ==  SAX Namespaces feature%0A            namespaceAware = dbf.isNamespaceAware();%0A            domParser.setFeature(%22http://xml.org/sax/features/namespaces%22,%0A                                 namespaceAware);%0A%0A
     
@@ -5114,36 +5114,32 @@
 ory%0A            
-    
 domParser.setFea
@@ -5200,20 +5200,16 @@
         
- 
-   
 INCLUDE_
@@ -5230,20 +5230,16 @@
 ESPACE,%0A
-    
         
@@ -5311,36 +5311,32 @@
 ));%0A            
-  
-  
 domParser.setFea
@@ -5397,20 +5397,16 @@
         
-    
 CREATE_E
@@ -5459,28 +5459,24 @@
             
-   
- 
 !dbf.isExpan
@@ -5493,28 +5493,25 @@
 erences());%0A
-    
+%0A
             
@@ -5575,20 +5575,16 @@
         
-   
- 
 // dbf.i
@@ -5601,61 +5601,8 @@
 g()%0A
-            %7D catch (SAXException e) %7B%0A            %7D%0A
     

Fix "namespaceAware" attribute