Author: mukulg
Date: Tue Aug 10 13:52:03 2010
New Revision: 984009
URL: http://svn.apache.org/viewvc?rev=984009&view=rev
Log:
providing few more configurations to the XSSerializer (user's may now select
their own XSD language URI prefix during serialization), with other minor
improvements.
Modified:
xerces/java/branches/xml-schema-1.1-dev/samples/xs/XSSerializer.java
Modified: xerces/java/branches/xml-schema-1.1-dev/samples/xs/XSSerializer.java
URL:
http://svn.apache.org/viewvc/xerces/java/branches/xml-schema-1.1-dev/samples/xs/XSSerializer.java?rev=984009&r1=984008&r2=984009&view=diff
==============================================================================
--- xerces/java/branches/xml-schema-1.1-dev/samples/xs/XSSerializer.java
(original)
+++ xerces/java/branches/xml-schema-1.1-dev/samples/xs/XSSerializer.java Tue
Aug 10 13:52:03 2010
@@ -25,6 +25,7 @@ import javax.xml.parsers.DocumentBuilder
import org.apache.xerces.impl.Constants;
import org.apache.xerces.impl.dv.xs.XSSimpleTypeDecl;
+import org.apache.xerces.impl.xs.SchemaSymbols;
import org.apache.xerces.impl.xs.XMLSchemaLoader;
import org.apache.xerces.impl.xs.XSAnnotationImpl;
import org.apache.xerces.impl.xs.XSAttributeDecl;
@@ -75,12 +76,13 @@ import org.xml.sax.InputSource;
*/
public class XSSerializer {
- private static final String XSD_LANGUAGE_URI =
"http://www.w3.org/2001/XMLSchema";;
- private static final String XSD_LANGUAGE_PREFIX = "xs:";
- private static final String XML_SCHEMA_VERSION =
- Constants.XERCES_PROPERTY_PREFIX +
- Constants.XML_SCHEMA_VERSION_PROPERTY;
+ private static final String XSD_LANGUAGE_URI =
SchemaSymbols.URI_SCHEMAFORSCHEMA;
+ private static final String XML_SCHEMA_VERSION =
+ Constants.XERCES_PROPERTY_PREFIX +
+ Constants.XML_SCHEMA_VERSION_PROPERTY;
+ private static String XSD_LANGUAGE_PREFIX = "xs:";
+
/*
* "Main method"
*
@@ -92,45 +94,76 @@ public class XSSerializer {
*/
public static void main(String[] args) {
- if (args.length == 0 || args.length > 2) {
+ if (args.length == 0 || args.length > 5) {
printUsage();
System.exit(-1);
}
- XMLSchemaLoader xsLoader = new XMLSchemaLoader();
+ // the last command line argument must be a schema URI
+ String schemaUri = args[args.length - 1];
- String schemaUri = "";
- if (args.length == 1) {
- schemaUri = args[0];
- }
- else {
- schemaUri = args[1];
- if (args[0].equals("-xsd11")) {
- xsLoader.setProperty(XML_SCHEMA_VERSION,
- Constants.W3C_XML_SCHEMA11_NS_URI);
+ // iterate other command line arguments
+ String schemaVersion = null;
+ String schemaPrefix = null;
+ for (int argIndx = 0; argIndx < args.length - 1; argIndx += 2) {
+ if (args[argIndx].equals("-version")) {
+ schemaVersion = args[argIndx + 1];
+ }
+ else if (args[argIndx].equals("-prefix")) {
+ if (argIndx + 1 < args.length - 1) {
+ schemaPrefix = args[argIndx + 1];
+ }
}
}
- XSModel xsModel = xsLoader.loadURI(schemaUri);
+ XMLSchemaLoader xsLoader = new XMLSchemaLoader();
+ if ("1.1".equals(schemaVersion)) {
+ xsLoader.setProperty(XML_SCHEMA_VERSION,
+ Constants.W3C_XML_SCHEMA11_NS_URI);
+ }
+ else if (schemaVersion != null && !"1.0".equals(schemaVersion)) {
+ printUsage();
+ System.exit(-1);
+ }
+
+ if (schemaPrefix != null) {
+ XSD_LANGUAGE_PREFIX = schemaPrefix + ":";
+ }
+
+ // construct the XSModel object from a schema document
+ XSModel xsModel = xsLoader.loadURI(schemaUri);
+
try {
- XSSerializer xsSerializer = new XSSerializer();
- xsSerializer.serialize(xsModel);
+ // instantiate the serializer and invoke serialization method
+ XSSerializer xsSerializer = new XSSerializer();
+ xsSerializer.serialize(xsModel);
}
catch(Exception ex) {
- ex.printStackTrace();
- }
- }
+ ex.printStackTrace();
+ }
+
+ } // main
+
+ /*
+ * Print a diagnostic message, explaining how to invoke this sample.
+ */
private static void printUsage() {
+
System.err.println("Usage:");
- System.err.println("java xs.XSSerializer [-xsd11] schema.xsd");
- System.err.println("-xsd11 Turn on XSD 1.1 support");
- }
+ System.err.println("java xs.XSSerializer [options] schema.xsd");
+ System.err.println("\nOptions:");
+ System.err.println("-version [1.0|1.1] XSD language level
(default level is 1.0)");
+ System.err.println("-prefix <prefix> XSD language URI prefix
(for e.g 'xs' or 'xsd'), for the serialized output");
+
+ } // printUsage
+
/*
* Serialize an XML Schema, XSModel object to the standard output.
*/
public void serialize(XSModel xsModel) throws Exception {
+
//get DOM after conversion, from XSModel
Document xsdDocument = transformXSModelToDOM(xsModel);
@@ -142,13 +175,16 @@ public class XSSerializer {
LSOutput output = impl.createLSOutput();
output.setEncoding("UTF-8");
output.setByteStream(System.out);
- writer.write(xsdDocument, output);
- }
+ writer.write(xsdDocument, output);
+
+ } // serialize
+
/*
* Transform an XML Schema, XSModel object into DOM document.
*/
public Document transformXSModelToDOM(XSModel xsModel) throws Exception {
+
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbf.newDocumentBuilder();
Document document = dBuilder.newDocument();
@@ -190,7 +226,9 @@ public class XSSerializer {
processGlobalGroupDecl(globalGroupDecls, document, schemaDeclDomNode);
return document;
- } // end of, transformXSModelToDOM
+
+ } // transformXSModelToDOM
+
/*
* Process global attribute group declarations.
@@ -198,6 +236,7 @@ public class XSSerializer {
private void processGlobalAttrGroupDecl(XSNamedMap globalAttrGpDecls,
Document document,
Element schemaDeclDomNode) {
+
// iterating global attribute group declarations in the Schema
for (int attrGpIdx = 0; attrGpIdx < globalAttrGpDecls.size();
attrGpIdx++) {
XSAttributeGroupDecl attrGpDecl = (XSAttributeGroupDecl)
@@ -246,8 +285,9 @@ public class XSSerializer {
schemaDeclDomNode.appendChild(attrGpDomNode);
}
- } // end of, processGlobalAttrGroupDecl
+ } // processGlobalAttrGroupDecl
+
/*
* Process global element declarations.
*/
@@ -255,14 +295,17 @@ public class XSSerializer {
Document document,
Element schemaDeclDomNode)
throws DOMException {
+
// iterating global element declarations in the Schema
for (int elemIdx = 0; elemIdx < globalElemDecls.size(); elemIdx++) {
XSElementDecl elemDecl = (XSElementDecl)
globalElemDecls.item(elemIdx);
addElementDeclToSchemaComponent(document, schemaDeclDomNode,
elemDecl, null, null, true);
}
- } // end of, processGolabElementDecl
+
+ } // processGolabElementDecl
+
/*
* Adding an element declaration to Schema component.
*/
@@ -273,6 +316,7 @@ public class XSSerializer {
String maxOccurs,
boolean isGlobal)
throws DOMException {
+
String elemName = elemDecl.getName();
Element elemDeclDomNode = document.createElementNS(XSD_LANGUAGE_URI,
XSD_LANGUAGE_PREFIX
@@ -348,10 +392,12 @@ public class XSSerializer {
parentDomNode.appendChild(elemDeclDomNode);
- } // end of, addElementDeclToSchemaComponent
+ } // addElementDeclToSchemaComponent
+
// construct value of the, "block" attribute for an element declaration
private String getElementBlockAttrValue(XSElementDecl elemDecl) {
+
String blockVal = "";
boolean blockExt = false;
@@ -384,8 +430,9 @@ public class XSSerializer {
return blockVal;
- } // end of, getElementBlockValue
+ } // getElementBlockAttrValue
+
/*
* Add identity constraints to element declaration.
*/
@@ -393,6 +440,7 @@ public class XSSerializer {
XSElementDecl elemDecl,
Element elemDeclDomNode)
throws DOMException {
+
XSNamedMap idConstraintsMap = elemDecl.getIdentityConstraints();
// iterate all identity constraints on an element declaration
@@ -452,8 +500,10 @@ public class XSSerializer {
elemDeclDomNode.appendChild(idConsDomNode);
}
- } // end of, addIDConstraintsToElementDecl
+
+ } // addIDConstraintsToElementDecl
+
/*
* Process global complex type declarations.
*/
@@ -461,6 +511,7 @@ public class XSSerializer {
Document document,
Element schemaDeclDomNode)
throws DOMException {
+
// iterating global complex types in the Schema
// leaving out built-in Schema type, "anyType" from iteration
for (int ctIdx = 0; ctIdx < globalComplexTypeDecls.size() - 1;
ctIdx++) {
@@ -475,7 +526,8 @@ public class XSSerializer {
// add annotation to complex type
XSAnnotationImpl complexTypeAnnot = (XSAnnotationImpl)
-
complexTypeDecl.getAnnotations().item(0);
+ complexTypeDecl.
+ getAnnotations().item(0);
if (complexTypeAnnot != null) {
addAnnotationToSchemaComponent(document,
complxTypeDomNode,
@@ -486,8 +538,10 @@ public class XSSerializer {
schemaDeclDomNode,
complexTypeDecl,
complxTypeDomNode);
- }
- } // end of, processGlobalComplexTypeDecl
+ }
+
+ } // processGlobalComplexTypeDecl
+
/*
* Process global simple type declarations.
@@ -496,6 +550,7 @@ public class XSSerializer {
Document document,
Element schemaDeclDomNode)
throws DOMException {
+
// iterating global simple types in the Schema
for (int stIdx = 0; stIdx < globalSimpleTypeDecls.size(); stIdx++) {
XSSimpleTypeDecl simpleTypeDecl = (XSSimpleTypeDecl)
@@ -508,8 +563,10 @@ public class XSSerializer {
simpleTypeDecl, stName);
}
}
- } // end of, processGlobalSimpleTypeDecl
+
+ } // processGlobalSimpleTypeDecl
+
/*
* Processing Simple Type contents.
*/
@@ -518,6 +575,7 @@ public class XSSerializer {
XSSimpleTypeDecl simpleTypeDecl,
String stName)
throws DOMException {
+
Element simpleTypeDomNode = document.createElementNS(
XSD_LANGUAGE_URI,
XSD_LANGUAGE_PREFIX +
@@ -557,8 +615,10 @@ public class XSSerializer {
XSObjectList unionMemberTypes = simpleTypeDecl.getMemberTypes();
addUnionDeclToSimpleType(document, simpleTypeDomNode,
unionMemberTypes);
}
- } // end of, processSimpleTypeContents
+
+ } // processSimpleTypeContents
+
/*
* Add children to "xs:restriction" for simple contents.
*/
@@ -568,6 +628,7 @@ public class XSSerializer {
Element restrictionDomNode,
XSTypeDefinition baseType)
throws DOMException {
+
if (XMLConstants.W3C_XML_SCHEMA_NS_URI.
equals(baseType.getNamespace())) {
restrictionDomNode.setAttributeNS(null, "base",
@@ -637,8 +698,9 @@ public class XSSerializer {
parentDomNode.appendChild(restrictionDomNode);
- } // end of, addRestrictionToSimpleContent
+ } // addRestrictionToSimpleContent
+
/*
* Process global attribute declarations.
*/
@@ -646,6 +708,7 @@ public class XSSerializer {
Document document,
Element schemaDeclDomNode)
throws DOMException {
+
// iterating global attribute declarations in the Schema
for (int attrIdx = 0; attrIdx < globalAttrDecls.size(); attrIdx++) {
XSAttributeDecl attrDecl = (XSAttributeDecl)
@@ -662,7 +725,9 @@ public class XSSerializer {
attrDecl, constraintName,
constraintVal, null);
}
- } // end of, processGlobalAttrDecl
+
+ } // processGlobalAttrDecl
+
/*
* Process global group declarations.
@@ -670,6 +735,7 @@ public class XSSerializer {
private void processGlobalGroupDecl(XSNamedMap globalGroupDecls,
Document document,
Element schemaDeclDomNode) {
+
// iterating global group declarations in the Schema
for (int groupIdx = 0; groupIdx < globalGroupDecls.size(); groupIdx++)
{
XSGroupDecl groupDecl = (XSGroupDecl)
@@ -678,8 +744,9 @@ public class XSSerializer {
groupDecl, true);
}
- } // end of, processGlobalGroupDecl
+ } // processGlobalGroupDecl
+
/*
* Add xs:group child to a Schema component.
*/
@@ -687,6 +754,7 @@ public class XSSerializer {
Element parentDomNode,
XSGroupDecl groupDecl,
boolean isGlobal) {
+
Element groupDeclDomNode = document.createElementNS(XSD_LANGUAGE_URI,
XSD_LANGUAGE_PREFIX
+ "group");
@@ -715,14 +783,12 @@ public class XSSerializer {
modelGroup, "1", "1");
}
}
- else {
- // TO DO ...
- }
parentDomNode.appendChild(groupDeclDomNode);
- } // end of, addGroupToSchemaComponent
+ } // addGroupChildToSchemaComponent
+
/*
* Add attribute declaration to a Schema component (like xs:schema,
* xs:complexType etc).
@@ -734,6 +800,7 @@ public class XSSerializer {
String constraintVal,
String requiredVal)
throws DOMException {
+
String attrName = attrDecl.getName();
Element attrDeclDomNode = document.createElementNS(XSD_LANGUAGE_URI,
XSD_LANGUAGE_PREFIX
@@ -778,9 +845,11 @@ public class XSSerializer {
attrDeclDomNode,
simpleTypeDecl,
simpleTypeDecl.getName());
- }
- } // end of, addAttributeToSchemaComponent
+ }
+
+ } // addAttributeToSchemaComponent
+
/*
* Processing an "anonymous" complex type declaration, on an element.
*/
@@ -807,8 +876,9 @@ public class XSSerializer {
complexTypeDecl,
complexTypeDomNode);
- } // end of, processAnonComplexTypeOnElement
+ } // processAnonComplexTypeOnElement
+
/*
* Add child content to complex type declaration.
*/
@@ -902,7 +972,8 @@ public class XSSerializer {
}
}
- } // end of, addChildrenToComplexType
+ } // addChildrenToComplexType
+
/*
* Add xs:simpleContent as child of xs:complexType.
@@ -910,6 +981,7 @@ public class XSSerializer {
private void addSimpleContentToComplexType(Document document,
Element complexTypeDomNode,
XSComplexTypeDecl
complexTypeDecl) {
+
Element simpleContentDomNode =
document.createElementNS(XSD_LANGUAGE_URI,
XSD_LANGUAGE_PREFIX +
"simpleContent");
@@ -965,7 +1037,8 @@ public class XSSerializer {
complexTypeDomNode.appendChild(simpleContentDomNode);
- } // end of, addSimpleContentToComplexType
+ } // addSimpleContentToComplexType
+
/*
* Add xs:complexContent as child of xs:complexType.
@@ -974,6 +1047,7 @@ public class XSSerializer {
Element complexTypeDomNode,
XSComplexTypeDecl complexTypeDecl,
short derivationMethod) {
+
Element complexContentDomNode =
document.createElementNS(XSD_LANGUAGE_URI,
XSD_LANGUAGE_PREFIX +
"complexContent");
@@ -1029,8 +1103,9 @@ public class XSSerializer {
complexTypeDomNode.appendChild(complexContentDomNode);
- } // end of, addComplexContentToComplexType
+ } // addComplexContentToComplexType
+
/*
* Add attributes to the complex type.
*/
@@ -1074,8 +1149,9 @@ public class XSSerializer {
}
}
- } // end of, addAttributesToComplexType
+ } // addAttributesToComplexType
+
/*
* Processing a "particle" from a complex type.
*/
@@ -1083,6 +1159,7 @@ public class XSSerializer {
Element parentDomNode,
XSParticle particle)
throws DOMException {
+
XSTerm particleTerm = particle.getTerm();
if (particleTerm instanceof XSModelGroup) {
@@ -1109,8 +1186,9 @@ public class XSSerializer {
}
}
- } // end of, processParticleFromComplexType
+ } // processParticleFromComplexType
+
/*
* Adding a "sequence" or "choice" compositor on a complex type.
*/
@@ -1180,7 +1258,8 @@ public class XSSerializer {
parentDomNode.appendChild(compositorDomNode);
- } // end of, addCompositorOnComplexType
+ } // addCompositorOnSchemaComponent
+
/*
* Processing an "all" declaration on a complex type.
@@ -1233,15 +1312,17 @@ public class XSSerializer {
complxTypeDomNode.appendChild(allDeclDomNode);
- } // end of, addAllCompositorOnComplexType
+ } // addAllCompositorOnComplexType
+
/*
- * Adding wild card to a Schema component.
+ * Adding wild-card to a Schema component.
*/
private void addWildcardToSchemaComponent(Document document,
Element parentNode,
XSWildcardDecl wildCardDecl,
String wildCardType) {
+
Element wildCardDomNode = document.createElementNS(XSD_LANGUAGE_URI,
XSD_LANGUAGE_PREFIX
+ wildCardType);
@@ -1253,7 +1334,8 @@ public class XSSerializer {
}
parentNode.appendChild(wildCardDomNode);
- } // end of, addWildcardToSchemaComponent
+ } // addWildcardToSchemaComponent
+
/*
* Add xs:list as child of xs:simpleType
@@ -1261,6 +1343,7 @@ public class XSSerializer {
private void addListDeclToSimpleType(Document document,
Element simpleTypeDomNode,
XSSimpleTypeDefinition listType) {
+
Element listDomNode = document.createElementNS(
XSD_LANGUAGE_URI,
XSD_LANGUAGE_PREFIX
@@ -1285,7 +1368,9 @@ public class XSSerializer {
simpleTypeDeclOfList.getName());
}
}
- } // end of, addListDeclToSimpleType
+
+ } // addListDeclToSimpleType
+
/*
* Add xs:union as child of xs:simpleType.
@@ -1293,6 +1378,7 @@ public class XSSerializer {
private void addUnionDeclToSimpleType(Document document,
Element simpleTypeDomNode,
XSObjectList unionMemberTypes) {
+
Element unionDomNode = document.createElementNS(
XSD_LANGUAGE_URI,
XSD_LANGUAGE_PREFIX
@@ -1331,7 +1417,9 @@ public class XSSerializer {
"memberTypes",
memberTypesStr);
}
- } // end of, addUnionDeclToSimpleType
+
+ } // addUnionDeclToSimpleType
+
/*
* Add annotation to a schema component.
@@ -1340,6 +1428,7 @@ public class XSSerializer {
Element parentDomNode,
XSAnnotationImpl annotation)
throws DOMException {
+
String annotString = annotation.getAnnotationString();
StringReader annotationReader = new StringReader(annotString);
InputSource annotationInputSrc = new InputSource(annotationReader);
@@ -1355,13 +1444,16 @@ public class XSSerializer {
ex.printStackTrace();
}
- parentDomNode.appendChild(annotationElement);
- }
+ parentDomNode.appendChild(annotationElement);
+
+ } // addAnnotationToSchemaComponent
+
/*
* Get name of a facet given it's kind.
*/
private String getFacetName(short facetKind) {
+
if (facetKind == XSSimpleTypeDefinition.FACET_MINEXCLUSIVE) {
return "minExclusive";
}
@@ -1395,26 +1487,32 @@ public class XSSerializer {
// unreach
return null;
- } // end of, getFacetName
+
+ } // getFacetName
+
/*
* Given an XSD particle, get it's minOccurs value as a String.
*/
private String getMinOccursVal(XSParticle particle) {
- String minOccursStr = null;
+
+ String minOccursStr = null;
int minOccurs = particle.getMinOccurs();
if (minOccurs != 1) {
minOccursStr = String.valueOf(minOccurs);
}
- return minOccursStr;
- } // end of, getMinOccursVal
+ return minOccursStr;
+
+ } // getMinOccursVal
+
/*
* Given an XSD particle, get it's maxOccurs value as a String.
*/
private String getMaxOccursVal(XSParticle particle) {
+
String maxOccursStr = null;
int maxOccurs = particle.getMaxOccurs();
@@ -1427,7 +1525,8 @@ public class XSSerializer {
}
}
- return maxOccursStr;
- } // end of, getMaxOccursVal
+ return maxOccursStr;
+
+ } // getMaxOccursVal
}
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