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/*
* Copyright (c) 1997, 2022 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.xsom.impl.util;
import com.sun.xml.xsom.XSAnnotation;
import com.sun.xml.xsom.XSAttGroupDecl;
import com.sun.xml.xsom.XSAttributeDecl;
import com.sun.xml.xsom.XSAttributeUse;
import com.sun.xml.xsom.XSComplexType;
import com.sun.xml.xsom.XSContentType;
import com.sun.xml.xsom.XSElementDecl;
import com.sun.xml.xsom.XSFacet;
import com.sun.xml.xsom.XSIdentityConstraint;
import com.sun.xml.xsom.XSListSimpleType;
import com.sun.xml.xsom.XSModelGroup;
import com.sun.xml.xsom.XSModelGroupDecl;
import com.sun.xml.xsom.XSNotation;
import com.sun.xml.xsom.XSParticle;
import com.sun.xml.xsom.XSRestrictionSimpleType;
import com.sun.xml.xsom.XSSchema;
import com.sun.xml.xsom.XSSchemaSet;
import com.sun.xml.xsom.XSSimpleType;
import com.sun.xml.xsom.XSType;
import com.sun.xml.xsom.XSUnionSimpleType;
import com.sun.xml.xsom.XSWildcard;
import com.sun.xml.xsom.XSXPath;
import com.sun.xml.xsom.XSWildcard.Any;
import com.sun.xml.xsom.XSWildcard.Other;
import com.sun.xml.xsom.XSWildcard.Union;
import com.sun.xml.xsom.impl.Const;
import com.sun.xml.xsom.visitor.XSSimpleTypeVisitor;
import com.sun.xml.xsom.visitor.XSTermVisitor;
import com.sun.xml.xsom.visitor.XSVisitor;
import com.sun.xml.xsom.visitor.XSWildcardFunction;
import java.io.IOException;
import java.io.Writer;
import java.math.BigInteger;
import java.text.MessageFormat;
import java.util.Iterator;
/**
* Generates approximated XML Schema representation from
* a schema component. This is not intended to be a fully-fledged
* round-trippable schema writer.
*
*
Usage of this class
*
*
Create a new instance with whatever Writer
* you'd like to send the output to.
*
Call one of the overloaded dump methods.
* You can repeat this process as many times as you want.
*
*
* @author Kohsuke Kawaguchi ([email protected])
* @author Kirill Grouchnikov ([email protected])
*/
public class SchemaWriter implements XSVisitor, XSSimpleTypeVisitor {
public SchemaWriter( Writer _out ) {
this.out=_out;
}
/** output is sent to this object. */
private final Writer out;
/** indentation. */
private int indent;
private void println(String s) {
try {
for( int i=0; i", s.getTargetNamespace()));
indent++;
Iterator itr;
itr = s.iterateAttGroupDecls();
while(itr.hasNext())
attGroupDecl( (XSAttGroupDecl)itr.next() );
itr = s.iterateAttributeDecls();
while(itr.hasNext())
attributeDecl( (XSAttributeDecl)itr.next() );
itr = s.iterateComplexTypes();
while(itr.hasNext())
complexType( (XSComplexType)itr.next() );
itr = s.iterateElementDecls();
while(itr.hasNext())
elementDecl( (XSElementDecl)itr.next() );
itr = s.iterateModelGroupDecls();
while(itr.hasNext())
modelGroupDecl( (XSModelGroupDecl)itr.next() );
itr = s.iterateSimpleTypes();
while(itr.hasNext())
simpleType( (XSSimpleType)itr.next() );
indent--;
println("");
}
public void attGroupDecl( XSAttGroupDecl decl ) {
Iterator itr;
println(MessageFormat.format("", decl.getName()));
indent++;
// TODO: wildcard
itr = decl.iterateAttGroups();
while(itr.hasNext())
dumpRef( (XSAttGroupDecl)itr.next() );
itr = decl.iterateDeclaredAttributeUses();
while(itr.hasNext())
attributeUse( (XSAttributeUse)itr.next() );
indent--;
println("");
}
public void dumpRef( XSAttGroupDecl decl ) {
println(MessageFormat.format("", decl.getTargetNamespace(), decl.getName()));
}
public void attributeUse( XSAttributeUse use ) {
XSAttributeDecl decl = use.getDecl();
String additionalAtts="";
if(use.isRequired())
additionalAtts += " use=\"required\"";
if(use.getFixedValue()!=null && use.getDecl().getFixedValue()==null)
additionalAtts += " fixed=\""+use.getFixedValue()+'\"';
if(use.getDefaultValue()!=null && use.getDecl().getDefaultValue()==null)
additionalAtts += " default=\""+use.getDefaultValue()+'\"';
if(decl.isLocal()) {
// this is anonymous attribute use
dump(decl,additionalAtts);
} else {
// reference to a global one
println(MessageFormat.format("",
decl.getTargetNamespace(), decl.getName(), additionalAtts));
}
}
public void attributeDecl( XSAttributeDecl decl ) {
dump(decl,"");
}
private void dump( XSAttributeDecl decl, String additionalAtts ) {
XSSimpleType type=decl.getType();
println(MessageFormat.format("",
decl.getName(),
additionalAtts,
type.isLocal()?"":
MessageFormat.format(" type=\"'{'{0}'}'{1}\"", type.getTargetNamespace(), type.getName()),
decl.getFixedValue()==null ?
"":" fixed=\""+decl.getFixedValue()+'\"',
decl.getDefaultValue()==null ?
"":" default=\""+decl.getDefaultValue()+'\"',
type.isLocal()?"":" /"));
if(type.isLocal()) {
indent++;
simpleType(type);
indent--;
println("");
}
}
public void simpleType( XSSimpleType type ) {
println(MessageFormat.format("", type.isLocal()?"":" name=\""+type.getName()+'\"'));
indent++;
type.visit((XSSimpleTypeVisitor)this);
indent--;
println("");
}
public void listSimpleType( XSListSimpleType type ) {
XSSimpleType itemType = type.getItemType();
if(itemType.isLocal()) {
println("");
indent++;
simpleType(itemType);
indent--;
println("");
} else {
// global type
println(MessageFormat.format("",
itemType.getTargetNamespace(), itemType.getName()));
}
}
public void unionSimpleType( XSUnionSimpleType type ) {
final int len = type.getMemberSize();
StringBuilder ref = new StringBuilder();
for( int i=0; i");
else
println("");
indent++;
for( int i=0; i");
}
public void restrictionSimpleType( XSRestrictionSimpleType type ) {
if(type.getBaseType()==null) {
// don't print anySimpleType
if(!type.getName().equals("anySimpleType"))
throw new InternalError();
if(!Const.schemaNamespace.equals(type.getTargetNamespace()))
throw new InternalError();
return;
}
XSSimpleType baseType = type.getSimpleBaseType();
println(MessageFormat.format("",
baseType.isLocal()?"":" base=\"{"+
baseType.getTargetNamespace()+'}'+
baseType.getName()+'\"'));
indent++;
if(baseType.isLocal())
simpleType(baseType);
Iterator itr = type.iterateDeclaredFacets();
while(itr.hasNext())
facet( (XSFacet)itr.next() );
indent--;
println("");
}
public void facet( XSFacet facet ) {
println(MessageFormat.format("<{0} value=\"{1}\"/>",
facet.getName(), facet.getValue()));
}
public void notation( XSNotation notation ) {
println(MessageFormat.format("");
indent++;
XSType baseType = type.getBaseType();
if(type.getDerivationMethod()==XSType.RESTRICTION) {
// restriction
println(MessageFormat.format("{1}\">",
baseType.getTargetNamespace(), baseType.getName()));
indent++;
dumpComplexTypeAttribute(type);
indent--;
println("");
} else {
// extension
println(MessageFormat.format("{1}\">",
baseType.getTargetNamespace(), baseType.getName()));
// check if have redefine tag - Kirill
if( type.isGlobal()
&& type.getTargetNamespace().equals(baseType.getTargetNamespace())
&& type.getName().equals(baseType.getName())) {
indent++;
println("");
indent++;
baseType.visit(this);
indent--;
println("");
indent--;
}
indent++;
dumpComplexTypeAttribute(type);
indent--;
println("");
}
indent--;
println("");
} else {
// complex content
println("");
indent++;
XSComplexType baseType = type.getBaseType().asComplexType();
if(type.getDerivationMethod()==XSType.RESTRICTION) {
// restriction
println(MessageFormat.format("",
baseType.getTargetNamespace(), baseType.getName()));
indent++;
type.getContentType().visit(this);
dumpComplexTypeAttribute(type);
indent--;
println("");
} else {
// extension
println(MessageFormat.format("",
baseType.getTargetNamespace(), baseType.getName()));
// check if have redefine - Kirill
if( type.isGlobal()
&& type.getTargetNamespace().equals(baseType.getTargetNamespace())
&& type.getName().equals(baseType.getName())) {
indent++;
println("");
indent++;
baseType.visit(this);
indent--;
println("");
indent--;
}
indent++;
type.getExplicitContent().visit(this);
dumpComplexTypeAttribute(type);
indent--;
println("");
}
indent--;
println("");
}
indent--;
println("");
}
private void dumpComplexTypeAttribute( XSComplexType type ) {
Iterator itr;
itr = type.iterateAttGroups();
while(itr.hasNext())
dumpRef( (XSAttGroupDecl)itr.next() );
itr = type.iterateDeclaredAttributeUses();
while(itr.hasNext())
attributeUse( (XSAttributeUse)itr.next() );
XSWildcard awc = type.getAttributeWildcard();
if(awc!=null)
wildcard("anyAttribute",awc,"");
}
public void elementDecl( XSElementDecl decl ) {
elementDecl(decl,"");
}
private void elementDecl( XSElementDecl decl, String extraAtts ) {
XSType type = decl.getType();
// TODO: various other attributes
// qualified attr; Issue
if(decl.getForm() != null) {
extraAtts += " form=\"" + (decl.getForm() ? "qualified" : "unqualified" ) + "\"";
}
println(MessageFormat.format("",
decl.getName(),
type.isLocal()?"":" type=\"{"+
type.getTargetNamespace()+'}'+
type.getName()+'\"',
extraAtts,
type.isLocal()?"":"/"));
if(type.isLocal()) {
indent++;
if(type.isLocal()) type.visit(this);
indent--;
println("");
}
}
public void modelGroupDecl( XSModelGroupDecl decl ) {
println(MessageFormat.format("", decl.getName()));
indent++;
modelGroup(decl.getModelGroup());
indent--;
println("");
}
public void modelGroup( XSModelGroup group ) {
modelGroup(group,"");
}
private void modelGroup( XSModelGroup group, String extraAtts ) {
println(MessageFormat.format("<{0}{1}>", group.getCompositor(), extraAtts));
indent++;
final int len = group.getSize();
for( int i=0; i", group.getCompositor()));
}
public void particle( XSParticle part ) {
BigInteger i;
StringBuilder buf = new StringBuilder();
i = part.getMaxOccurs();
if(i.equals(BigInteger.valueOf(XSParticle.UNBOUNDED)))
buf.append(" maxOccurs=\"unbounded\"");
else if(!i.equals(BigInteger.ONE))
buf.append(" maxOccurs=\"").append(i).append('\"');
i = part.getMinOccurs();
if(!i.equals(BigInteger.ONE))
buf.append(" minOccurs=\"").append(i).append('\"');
final String extraAtts = buf.toString();
part.getTerm().visit(new XSTermVisitor(){
public void elementDecl( XSElementDecl decl ) {
if(decl.isLocal())
SchemaWriter.this.elementDecl(decl,extraAtts);
else {
// reference
println(MessageFormat.format("",
decl.getTargetNamespace(),
decl.getName(),
extraAtts));
}
}
public void modelGroupDecl( XSModelGroupDecl decl ) {
// reference
println(MessageFormat.format("",
decl.getTargetNamespace(),
decl.getName(),
extraAtts));
}
public void modelGroup( XSModelGroup group ) {
SchemaWriter.this.modelGroup(group,extraAtts);
}
public void wildcard( XSWildcard wc ) {
SchemaWriter.this.wildcard("any",wc,extraAtts);
}
});
}
public void wildcard( XSWildcard wc ) {
wildcard("any",wc,"");
}
private void wildcard( String tagName, XSWildcard wc, String extraAtts ) {
final String proessContents;
switch(wc.getMode()) {
case XSWildcard.LAX:
proessContents = " processContents='lax'";break;
case XSWildcard.STRTICT:
proessContents = "";break;
case XSWildcard.SKIP:
proessContents = " processContents='skip'";break;
default:
throw new AssertionError();
}
println(MessageFormat.format("<{0}{1}{2}{3}/>",tagName, proessContents, wc.apply(WILDCARD_NS), extraAtts));
}
private static final XSWildcardFunction WILDCARD_NS = new XSWildcardFunction<>() {
public String any(Any wc) {
return ""; // default
}
public String other(Other wc) {
return " namespace='##other'";
}
public String union(Union wc) {
StringBuilder buf = new StringBuilder(" namespace='");
boolean first = true;
for (String s : wc.getNamespaces()) {
if (first) first = false;
else buf.append(' ');
buf.append(s);
}
return buf.append('\'').toString();
}
};
public void annotation( XSAnnotation ann ) {
// TODO: it would be nice even if we just put
}
public void identityConstraint(XSIdentityConstraint decl) {
// TODO
}
public void xpath(XSXPath xp) {
// TODO
}
public void empty( XSContentType t ) {}
}
