/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 1999-2003 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 com.sun.org.apache.xerces.internal.impl.xs.traversers;
import java.util.Stack;
import java.util.Vector;
import com.sun.org.apache.xerces.internal.impl.validation.ValidationState;
import com.sun.org.apache.xerces.internal.impl.xs.SchemaNamespaceSupport;
import com.sun.org.apache.xerces.internal.impl.xs.SchemaSymbols;
import com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaException;
import com.sun.org.apache.xerces.internal.impl.xs.util.XInt;
import com.sun.org.apache.xerces.internal.util.DOMUtil;
import com.sun.org.apache.xerces.internal.util.SymbolTable;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/*
* Objects of this class hold all information pecular to a
* particular XML Schema document. This is needed because
* namespace bindings and other settings on the <schema/> element
* affect the contents of that schema document alone.
*
* @author Neil Graham, IBM
* @version $Id: XSDocumentInfo.java,v 1.17 2003/07/03 15:17:16 neilg Exp $
*/
class XSDocumentInfo {
// Data
protected SchemaNamespaceSupport fNamespaceSupport;
protected SchemaNamespaceSupport fNamespaceSupportRoot;
protected Stack SchemaNamespaceSupportStack = new Stack();
// schema's attributeFormDefault
protected boolean fAreLocalAttributesQualified;
// elementFormDefault
protected boolean fAreLocalElementsQualified;
// [block | final]Default
protected short fBlockDefault;
protected short fFinalDefault;
// targetNamespace
String fTargetNamespace;
// represents whether this is a chameleon schema (i.e., whether its TNS is natural or comes from without)
protected boolean fIsChameleonSchema;
// the root of the schema Document tree itself
protected Document fSchemaDoc;
// all namespaces that this document can refer to
Vector fImportedNS = new Vector();
protected ValidationState fValidationContext = new ValidationState();
SymbolTable fSymbolTable = null;
// attribute checker to which we'll return the attributes
// once we've been told that we're done with them
protected XSAttributeChecker fAttrChecker;
// array of objects on the schema's root element. This is null
// once returnSchemaAttrs has been called.
protected Object [] fSchemaAttrs;
// note that the caller must ensure to call returnSchemaAttrs()
// to avoid memory leaks!
XSDocumentInfo (Document schemaDoc, XSAttributeChecker attrChecker, SymbolTable symbolTable)
throws XMLSchemaException {
fSchemaDoc = schemaDoc;
fNamespaceSupport = new SchemaNamespaceSupport();
fNamespaceSupport.reset();
fIsChameleonSchema = false;
fSymbolTable = symbolTable;
fAttrChecker = attrChecker;
if(schemaDoc != null) {
Element root = DOMUtil.getRoot(schemaDoc);
fSchemaAttrs = attrChecker.checkAttributes(root, true, this);
// schemaAttrs == null means it's not an <xsd:schema> element
// throw an exception, but we don't know the document systemId,
// so we leave that to the caller.
if (fSchemaAttrs == null) {
throw new XMLSchemaException(null, null);
}
fAreLocalAttributesQualified =
((XInt)fSchemaAttrs[XSAttributeChecker.ATTIDX_AFORMDEFAULT]).intValue() == SchemaSymbols.FORM_QUALIFIED;
fAreLocalElementsQualified =
((XInt)fSchemaAttrs[XSAttributeChecker.ATTIDX_EFORMDEFAULT]).intValue() == SchemaSymbols.FORM_QUALIFIED;
fBlockDefault =
((XInt)fSchemaAttrs[XSAttributeChecker.ATTIDX_BLOCKDEFAULT]).shortValue();
fFinalDefault =
((XInt)fSchemaAttrs[XSAttributeChecker.ATTIDX_FINALDEFAULT]).shortValue();
fTargetNamespace =
(String)fSchemaAttrs[XSAttributeChecker.ATTIDX_TARGETNAMESPACE];
if (fTargetNamespace != null)
fTargetNamespace = symbolTable.addSymbol(fTargetNamespace);
fNamespaceSupportRoot = new SchemaNamespaceSupport(fNamespaceSupport);
//set namespace support
fValidationContext.setNamespaceSupport(fNamespaceSupport);
fValidationContext.setSymbolTable(symbolTable);
// pass null as the schema document, so that the namespace
// context is not popped.
// don't return the attribute array yet!
//attrChecker.returnAttrArray(schemaAttrs, null);
}
}
// backup the current ns support, and use the one passed-in.
// if no ns support is passed-in, use the one for <schema> element
void backupNSSupport(SchemaNamespaceSupport nsSupport) {
SchemaNamespaceSupportStack.push(fNamespaceSupport);
if (nsSupport == null)
nsSupport = fNamespaceSupportRoot;
fNamespaceSupport = new SchemaNamespaceSupport(nsSupport);
fValidationContext.setNamespaceSupport(fNamespaceSupport);
}
void restoreNSSupport() {
fNamespaceSupport = (SchemaNamespaceSupport)SchemaNamespaceSupportStack.pop();
fValidationContext.setNamespaceSupport(fNamespaceSupport);
}
// some Object methods
public String toString() {
return fTargetNamespace == null?"no targetNamspace":"targetNamespace is " + fTargetNamespace;
}
public void addAllowedNS(String namespace) {
fImportedNS.addElement(namespace == null ? "" : namespace);
}
public boolean isAllowedNS(String namespace) {
return fImportedNS.contains(namespace == null ? "" : namespace);
}
// store whether we have reported an error about that this document
// can't access components from the given namespace
private Vector fReportedTNS = null;
// check whether we need to report an error against the given uri.
// if we have reported an error, then we don't need to report again;
// otherwise we reported the error, and remember this fact.
final boolean needReportTNSError(String uri) {
if (fReportedTNS == null)
fReportedTNS = new Vector();
else if (fReportedTNS.contains(uri))
return false;
fReportedTNS.addElement(uri);
return true;
}
// return the attributes on the schema element itself:
Object [] getSchemaAttrs () {
return fSchemaAttrs;
}
// deallocate the storage set aside for the schema element's
// attributes
void returnSchemaAttrs () {
fAttrChecker.returnAttrArray (fSchemaAttrs, null);
fSchemaAttrs = null;
}
} // XSDocumentInfo
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