package net.sf.saxon.xqj;
import net.sf.saxon.Configuration;
import net.sf.saxon.om.NamespaceConstant;
import net.sf.saxon.om.Validation;
import net.sf.saxon.query.StaticQueryContext;
import javax.xml.xquery.XQConstants;
import javax.xml.xquery.XQException;
import javax.xml.xquery.XQItemType;
import javax.xml.xquery.XQStaticContext;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/**
* Saxon implementation of the XQJ XQStaticContext interface
*/
public class SaxonXQStaticContext implements XQStaticContext {
private Configuration config;
private int bindingMode = XQConstants.BINDING_MODE_IMMEDIATE;
private int holdability = XQConstants.HOLDTYPE_HOLD_CURSORS_OVER_COMMIT;
private int scrollability = XQConstants.SCROLLTYPE_FORWARD_ONLY;
private Map namespaces = new HashMap();
private String baseURI = "";
boolean preserveBoundarySpace = false;
boolean constructionModeIsPreserve = false;
boolean inheritNamespaces = true;
boolean preserveNamespaces = true;
boolean emptyLeast = true;
boolean isOrdered = true;
SaxonXQItemType contextItemStaticType = null;
String defaultCollationName = NamespaceConstant.CODEPOINT_COLLATION_URI;
String defaultElementNamespace = "";
String defaultFunctionNamespace = NamespaceConstant.FN;
/**
* Create a SaxonXQStaticContext object, the Saxon implementation of XQStaticContext in XQJ
* @param config the Saxon configuration
*/
public SaxonXQStaticContext(Configuration config) {
this.config = config;
}
/**
* Get a new Saxon StaticQueryContext object holding the information held in this
* XQStaticContext
* @return a newly constructed StaticQueryContext object
*/
protected StaticQueryContext getSaxonStaticQueryContext() {
StaticQueryContext sqc = config.newStaticQueryContext();
sqc.getExecutable().setSchemaAware(config.isLicensedFeature(Configuration.LicenseFeature.SCHEMA_VALIDATION));
sqc.setBaseURI(baseURI);
sqc.setConstructionMode(constructionModeIsPreserve ? Validation.PRESERVE : Validation.STRIP);
sqc.setDefaultElementNamespace(defaultElementNamespace);
sqc.setDefaultFunctionNamespace(defaultFunctionNamespace);
sqc.setEmptyLeast(emptyLeast);
sqc.setInheritNamespaces(inheritNamespaces);
sqc.setPreserveBoundarySpace(preserveBoundarySpace);
sqc.setPreserveNamespaces(preserveNamespaces);
if (contextItemStaticType != null) {
sqc.setRequiredContextItemType(contextItemStaticType.getSaxonItemType());
}
for (Iterator iter = namespaces.keySet().iterator(); iter.hasNext();) {
String prefix = (String)iter.next();
String uri = (String)namespaces.get(prefix);
sqc.declareNamespace(prefix, uri);
}
return sqc;
}
public void declareNamespace(String prefix, String uri) throws XQException {
checkNotNull(prefix);
checkNotNull(uri);
if (uri.length() == 0) {
namespaces.remove(prefix);
} else {
namespaces.put(prefix, uri);
}
}
public String getBaseURI() {
return baseURI;
}
public int getBindingMode() {
return bindingMode;
}
public int getBoundarySpacePolicy() {
return preserveBoundarySpace
? XQConstants.BOUNDARY_SPACE_PRESERVE
: XQConstants.BOUNDARY_SPACE_STRIP;
}
public int getConstructionMode() {
return constructionModeIsPreserve
? XQConstants.CONSTRUCTION_MODE_PRESERVE
: XQConstants.CONSTRUCTION_MODE_STRIP;
}
public XQItemType getContextItemStaticType() {
return contextItemStaticType;
}
public int getCopyNamespacesModeInherit() {
return inheritNamespaces ?
XQConstants.COPY_NAMESPACES_MODE_INHERIT :
XQConstants.COPY_NAMESPACES_MODE_NO_INHERIT;
}
public int getCopyNamespacesModePreserve() {
return preserveNamespaces ?
XQConstants.COPY_NAMESPACES_MODE_PRESERVE :
XQConstants.COPY_NAMESPACES_MODE_NO_PRESERVE;
}
public String getDefaultCollation() {
return defaultCollationName;
}
public String getDefaultElementTypeNamespace() {
return defaultElementNamespace;
}
public String getDefaultFunctionNamespace() {
return defaultFunctionNamespace;
}
public int getDefaultOrderForEmptySequences() {
return emptyLeast ?
XQConstants.DEFAULT_ORDER_FOR_EMPTY_SEQUENCES_LEAST :
XQConstants.DEFAULT_ORDER_FOR_EMPTY_SEQUENCES_GREATEST;
}
public String[] getNamespacePrefixes() {
String[] result = new String[namespaces.size()];
Iterator iter = namespaces.keySet().iterator();
for (int i=0; i<result.length; i++) {
iter.hasNext();
result[i] = (String)iter.next();
}
return result;
}
public String getNamespaceURI(String prefix) throws XQException {
checkNotNull(prefix);
String uri = (String)namespaces.get(prefix);
if (uri == null) {
throw new XQException("Unknown prefix");
}
return uri;
}
public int getOrderingMode() {
return isOrdered
? XQConstants.ORDERING_MODE_ORDERED
: XQConstants.ORDERING_MODE_UNORDERED;
}
public int getHoldability() {
return holdability;
}
public int getQueryLanguageTypeAndVersion() {
return XQConstants.LANGTYPE_XQUERY;
}
public int getQueryTimeout() {
return 0;
}
public int getScrollability() {
return scrollability;
}
public void setBaseURI(String baseUri) throws XQException {
checkNotNull(baseUri);
this.baseURI = baseUri;
}
public void setBindingMode(int bindingMode) throws XQException {
switch (bindingMode) {
case XQConstants.BINDING_MODE_IMMEDIATE:
case XQConstants.BINDING_MODE_DEFERRED:
this.bindingMode = bindingMode;
break;
default:
throw new XQException("Invalid value for binding mode - " + bindingMode);
}
}
public void setBoundarySpacePolicy(int policy) throws XQException {
switch (policy) {
case XQConstants.BOUNDARY_SPACE_PRESERVE:
preserveBoundarySpace = true;
break;
case XQConstants.BOUNDARY_SPACE_STRIP:
preserveBoundarySpace = false;
break;
default:
throw new XQException("Invalid value for boundary space policy - " + policy);
}
}
public void setConstructionMode(int mode) throws XQException {
switch (mode) {
case XQConstants.CONSTRUCTION_MODE_PRESERVE:
constructionModeIsPreserve = true;
break;
case XQConstants.CONSTRUCTION_MODE_STRIP:
constructionModeIsPreserve = false;
break;
default:
throw new XQException("Invalid value for construction mode - " + mode);
}
}
public void setContextItemStaticType(XQItemType contextItemType) {
this.contextItemStaticType = (SaxonXQItemType)contextItemType;
}
public void setCopyNamespacesModeInherit(int mode) throws XQException {
switch (mode) {
case XQConstants.COPY_NAMESPACES_MODE_INHERIT:
inheritNamespaces = true;
break;
case XQConstants.COPY_NAMESPACES_MODE_NO_INHERIT:
inheritNamespaces = false;
break;
default:
throw new XQException("Invalid value for namespaces inherit mode - " + mode);
}
}
public void setCopyNamespacesModePreserve(int mode) throws XQException {
switch (mode) {
case XQConstants.COPY_NAMESPACES_MODE_PRESERVE:
preserveNamespaces = true;
break;
case XQConstants.COPY_NAMESPACES_MODE_NO_PRESERVE:
preserveNamespaces = false;
break;
default:
throw new XQException("Invalid value for namespaces preserve mode - " + mode);
}
}
public void setDefaultCollation(String uri) throws XQException {
checkNotNull(uri);
defaultCollationName = uri;
}
public void setDefaultElementTypeNamespace(String uri) throws XQException {
checkNotNull(uri);
defaultElementNamespace = uri;
}
public void setDefaultFunctionNamespace(String uri) throws XQException {
checkNotNull(uri);
defaultFunctionNamespace = uri;
}
public void setDefaultOrderForEmptySequences(int order) throws XQException {
switch (order) {
case XQConstants.DEFAULT_ORDER_FOR_EMPTY_SEQUENCES_GREATEST:
emptyLeast = false;
break;
case XQConstants.DEFAULT_ORDER_FOR_EMPTY_SEQUENCES_LEAST:
emptyLeast = true;
break;
default:
throw new XQException("Invalid value for default order for empty sequences - " + order);
}
}
public void setOrderingMode(int mode) throws XQException {
switch (mode) {
case XQConstants.ORDERING_MODE_ORDERED:
isOrdered = true;
break;
case XQConstants.ORDERING_MODE_UNORDERED:
isOrdered = false;
break;
default:
throw new XQException("Invalid ordering mode - " + mode);
}
}
public void setQueryTimeout(int seconds) throws XQException {
if (seconds < 0) {
throw new XQException("Query timeout must not be negative");
}
// no-op
}
public void setHoldability(int holdability) throws XQException {
switch (holdability) {
case XQConstants.HOLDTYPE_HOLD_CURSORS_OVER_COMMIT:
case XQConstants.HOLDTYPE_CLOSE_CURSORS_AT_COMMIT:
this.holdability = holdability;
break;
default:
throw new XQException("Invalid holdability value - " + holdability);
}
}
public void setQueryLanguageTypeAndVersion(int langtype) throws XQException {
if (langtype != XQConstants.LANGTYPE_XQUERY) {
throw new XQException("XQueryX is not supported");
}
}
public void setScrollability(int scrollability) throws XQException {
switch (scrollability) {
case XQConstants.SCROLLTYPE_FORWARD_ONLY:
case XQConstants.SCROLLTYPE_SCROLLABLE:
this.scrollability = scrollability;
break;
default:
throw new XQException("Invalid scrollability value - " + scrollability);
}
}
protected void checkNotNull(Object arg) throws XQException {
if (arg == null) {
throw new XQException("Argument is null");
}
}
}
//
// 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):
//