package net.sf.saxon.xqj;
import net.sf.saxon.om.Validation;
import net.sf.saxon.query.QueryModule;
import net.sf.saxon.query.XQueryExpression;
import javax.xml.xquery.XQConstants;
import javax.xml.xquery.XQException;
import javax.xml.xquery.XQItemType;
import javax.xml.xquery.XQStaticContext;
import java.util.ArrayList;
import java.util.Iterator;
/**
* This is a read-only implementation of the XQStaticContext interface that provides information about
* the static context options selected within the query prolog of a compiled expression.
*
* <p>Note that it only provides information about the main module of the query, library modules have
* a different static context and this is not available via the XQJ API.</p>
*/
public class SaxonXQExpressionContext implements XQStaticContext {
private QueryModule main;
public SaxonXQExpressionContext(XQueryExpression expression) {
main = expression.getStaticContext();
}
public void declareNamespace(String prefix, String uri) throws XQException {
readOnly();
}
public String getBaseURI() {
return main.getBaseURI();
}
public int getBindingMode() {
return XQConstants.BINDING_MODE_IMMEDIATE;
}
public int getBoundarySpacePolicy() {
return main.isPreserveBoundarySpace() ?
XQConstants.BOUNDARY_SPACE_PRESERVE :
XQConstants.BOUNDARY_SPACE_STRIP;
}
public int getConstructionMode() {
return main.getConstructionMode() == Validation.PRESERVE ?
XQConstants.CONSTRUCTION_MODE_PRESERVE :
XQConstants.CONSTRUCTION_MODE_STRIP;
}
public XQItemType getContextItemStaticType() {
return new SaxonXQItemType(main.getUserQueryContext().getRequiredContextItemType(),
main.getConfiguration());
}
public int getCopyNamespacesModeInherit() {
return (main.isInheritNamespaces() ?
XQConstants.COPY_NAMESPACES_MODE_INHERIT :
XQConstants.COPY_NAMESPACES_MODE_NO_INHERIT);
}
public int getCopyNamespacesModePreserve() {
return (main.isPreserveNamespaces() ?
XQConstants.COPY_NAMESPACES_MODE_PRESERVE :
XQConstants.COPY_NAMESPACES_MODE_NO_PRESERVE);
}
public String getDefaultCollation() {
return main.getDefaultCollationName();
}
public String getDefaultElementTypeNamespace() {
return main.getDefaultElementNamespace();
}
public String getDefaultFunctionNamespace() {
return main.getDefaultFunctionNamespace();
}
public int getDefaultOrderForEmptySequences() {
return main.isEmptyLeast() ?
XQConstants.DEFAULT_ORDER_FOR_EMPTY_SEQUENCES_LEAST :
XQConstants.DEFAULT_ORDER_FOR_EMPTY_SEQUENCES_GREATEST;
}
public int getHoldability() {
return XQConstants.HOLDTYPE_HOLD_CURSORS_OVER_COMMIT;
}
public String[] getNamespacePrefixes() {
Iterator iter = main.getUserQueryContext().iterateDeclaredPrefixes();
ArrayList list = new ArrayList(20);
while (iter.hasNext()) {
list.add(iter.next());
}
String[] result = new String[list.size()];
for (int i=0; i<result.length; i++) {
result[i] = (String)list.get(i);
}
return result;
}
public String getNamespaceURI(String prefix) throws XQException {
String uri = main.checkURIForPrefix(prefix);
if (uri == null) {
throw new XQException("Unknown prefix");
}
return uri;
}
public int getOrderingMode() {
return XQConstants.ORDERING_MODE_ORDERED;
}
public int getQueryLanguageTypeAndVersion() {
return XQConstants.LANGTYPE_XQUERY;
}
public int getQueryTimeout() {
return 0;
}
public int getScrollability() {
return XQConstants.SCROLLTYPE_SCROLLABLE;
}
public void setBaseURI(String baseUri) throws XQException {
readOnly();
}
public void setBindingMode(int bindingMode) throws XQException {
readOnly();
}
public void setBoundarySpacePolicy(int policy) throws XQException {
readOnly();
}
public void setConstructionMode(int mode) throws XQException {
readOnly();
}
public void setContextItemStaticType(XQItemType contextItemType) {
//readOnly();
}
public void setCopyNamespacesModeInherit(int mode) throws XQException {
readOnly();
}
public void setCopyNamespacesModePreserve(int mode) throws XQException {
readOnly();
}
public void setDefaultCollation(String uri) throws XQException {
readOnly();
}
public void setDefaultElementTypeNamespace(String uri) throws XQException {
readOnly();
}
public void setDefaultFunctionNamespace(String uri) throws XQException {
readOnly();
}
public void setDefaultOrderForEmptySequences(int order) throws XQException {
readOnly();
}
public void setHoldability(int holdability) throws XQException {
readOnly();
}
public void setOrderingMode(int mode) throws XQException {
readOnly();
}
public void setQueryLanguageTypeAndVersion(int langType) throws XQException {
readOnly();
}
public void setQueryTimeout(int seconds) throws XQException {
readOnly();
}
public void setScrollability(int scrollability) throws XQException {
readOnly();
}
private void readOnly() throws XQException {
throw new XQException("This XQStaticContext object is read-only");
}
}
//
// The contents of this file are subject to the Mozilla Public License Version 1.0 (the "License");
// you may not use this file except in compliance with the License. You may obtain a copy of the
// License at http://www.mozilla.org/MPL/
//
// Software distributed under the License is distributed on an "AS IS" basis,
// WITHOUT WARRANTY OF ANY KIND, either express or implied.
// See the License for the specific language governing rights and limitations under the License.
//
// The Original Code is: all this file
//
// The Initial Developer of the Original Code is Michael H. Kay.
//
// Contributor(s):
//