cvs commit: xml-xerces/java/src/org/apache/xerces/xinclude XIncludeNamespaceSupport.java

[mr...@apache.org]

mrglavas    2003/06/24 17:50:59

  Added:       java/src/org/apache/xerces/xinclude
                        XIncludeNamespaceSupport.java
  Log:
  Preliminary support for XInclude submitted by Peter McCracken. It supports: regular/text includes, fallbacks, namespace fix-up, etc...
  
  Revision  Changes    Path
  1.1                  xml-xerces/java/src/org/apache/xerces/xinclude/XIncludeNamespaceSupport.java
  
  Index: XIncludeNamespaceSupport.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright (c) 2001-2003 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, International
   * Business Machines, Inc., http://www.apache.org.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  package org.apache.xerces.xinclude;
  
  import org.apache.xerces.xni.NamespaceContext;
  
  /**
   * @author Peter McCracken, IBM
   */
  public class XIncludeNamespaceSupport extends MultipleScopeNamespaceSupport {
  
      private boolean[] fValidContext = new boolean[8];
  
      /**
       * 
       */
      public XIncludeNamespaceSupport() {
          super();
      }
  
      /**
       * @param context
       */
      public XIncludeNamespaceSupport(NamespaceContext context) {
          super(context);
      }
  
      public void pushContext() {
          super.pushContext();
          if (fCurrentContext + 1 == fValidContext.length) {
              boolean[] contextarray = new boolean[fValidContext.length * 2];
              System.arraycopy(fValidContext, 0, contextarray, 0, fValidContext.length);
              fValidContext = contextarray;
          }
  
          fValidContext[fCurrentContext] = true;
      }
  
      /**
       * This method is used to set a context invalid for XInclude namespace processing.
       * Any context defined by an &lt;include&gt; or &lt;fallback&gt; element is not
       * valid for processing the include parent's [in-scope namespaces]. Thus, contexts
       * defined by these elements are set to invalid by the XInclude processor using
       * this method.
       */    
      public void setContextInvalid() {
          fValidContext[fCurrentContext] = false;
      }
      
      public String getURIFromIncludeParent(String prefix) {
          int lastValidContext = fCurrentContext - 1;
          while (!fValidContext[lastValidContext]) {
              lastValidContext--;
          }
          return getURI(prefix, lastValidContext);
      }
  }
  
  

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