/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2001-2004 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) 2003, International
* Business Machines, Inc., http://www.apache.org. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package com.sun.org.apache.xerces.internal.xinclude;
import com.sun.org.apache.xerces.internal.xni.NamespaceContext;
/**
* This is an implementation of NamespaceContext which is intended to be used for
* XInclude processing. It enables each context to be marked as invalid, if necessary,
* to indicate that the namespaces recorded on those contexts won't be apparent in the
* resulting infoset.
*
* @author Peter McCracken, IBM
*
* @version $Id: XIncludeNamespaceSupport.java,v 1.4 2004/01/22 16:08:58 mrglavas Exp $
*/
public class XIncludeNamespaceSupport extends MultipleScopeNamespaceSupport {
/**
* This stores whether or not the context at the matching depth was valid.
*/
private boolean[] fValidContext = new boolean[8];
/**
*
*/
public XIncludeNamespaceSupport() {
super();
}
/**
* @param context
*/
public XIncludeNamespaceSupport(NamespaceContext context) {
super(context);
}
/**
* Pushes a new context onto the stack.
*/
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 <include> or <fallback> 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;
}
/**
* This returns the namespace URI which was associated with the given pretext, in
* the context that existed at the include parent of the current element. The
* include parent is the last element, before the current one, which was not set
* to an invalid context using setContextInvalid()
*
* @param prefix the prefix of the desired URI
* @return the URI corresponding to the prefix in the context of the include parent
*/
public String getURIFromIncludeParent(String prefix) {
int lastValidContext = fCurrentContext - 1;
while (!fValidContext[lastValidContext]) {
lastValidContext--;
}
return getURI(prefix, lastValidContext);
}
}
|