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package com.sun.xml.xsom.impl;
import com.sun.xml.xsom.XSElementDecl;
import com.sun.xml.xsom.XSModelGroup;
import com.sun.xml.xsom.XSModelGroupDecl;
import com.sun.xml.xsom.XSTerm;
import com.sun.xml.xsom.XSWildcard;
import com.sun.xml.xsom.impl.parser.SchemaDocumentImpl;
import com.sun.xml.xsom.visitor.XSFunction;
import com.sun.xml.xsom.visitor.XSTermFunction;
import com.sun.xml.xsom.visitor.XSTermFunctionWithParam;
import com.sun.xml.xsom.visitor.XSTermVisitor;
import com.sun.xml.xsom.visitor.XSVisitor;
import com.sun.xml.xsom.visitor.XSWildcardFunction;
import com.sun.xml.xsom.visitor.XSWildcardVisitor;
import org.xml.sax.Locator;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
public abstract class WildcardImpl extends ComponentImpl implements XSWildcard, Ref.Term
{
protected WildcardImpl( SchemaDocumentImpl owner, AnnotationImpl _annon, Locator _loc, ForeignAttributesImpl _fa, int _mode ) {
super(owner,_annon,_loc,_fa);
this.mode = _mode;
}
private final int mode;
public int getMode() { return mode; }
// compute the union
public WildcardImpl union( SchemaDocumentImpl owner, WildcardImpl rhs ) {
if(this instanceof Any || rhs instanceof Any)
return new Any(owner,null,null,null,mode);
if(this instanceof Finite && rhs instanceof Finite) {
Set values = new HashSet();
values.addAll( ((Finite)this).names );
values.addAll( ((Finite)rhs ).names );
return new Finite(owner,null,null,null,values,mode);
}
if(this instanceof Other && rhs instanceof Other) {
if( ((Other)this).otherNamespace.equals(
((Other)rhs).otherNamespace) )
return new Other(owner,null,null,null, ((Other)this).otherNamespace, mode );
else
// this somewhat strange rule is indeed in the spec
return new Other(owner,null,null,null, "", mode );
}
Other o;
Finite f;
if( this instanceof Other ) {
o=(Other)this; f=(Finite)rhs;
} else {
o=(Other)rhs; f=(Finite)this;
}
if(f.names.contains(o.otherNamespace))
return new Any(owner,null,null,null,mode);
else
return new Other(owner,null,null,null,o.otherNamespace,mode);
}
public final static class Any extends WildcardImpl implements XSWildcard.Any {
public Any( SchemaDocumentImpl owner, AnnotationImpl _annon, Locator _loc, ForeignAttributesImpl _fa, int _mode ) {
super(owner,_annon,_loc,_fa,_mode);
}
public boolean acceptsNamespace( String namespaceURI ) {
return true;
}
public void visit( XSWildcardVisitor visitor ) {
visitor.any(this);
}
public Object apply( XSWildcardFunction function ) {
return function.any(this);
}
}
public final static class Other extends WildcardImpl implements XSWildcard.Other {
public Other( SchemaDocumentImpl owner, AnnotationImpl _annon, Locator _loc, ForeignAttributesImpl _fa,
String otherNamespace, int _mode ) {
super(owner,_annon,_loc,_fa,_mode);
this.otherNamespace = otherNamespace;
}
private final String otherNamespace;
public String getOtherNamespace() { return otherNamespace; }
public boolean acceptsNamespace( String namespaceURI ) {
return !namespaceURI.equals(otherNamespace);
}
public void visit( XSWildcardVisitor visitor ) {
visitor.other(this);
}
public Object apply( XSWildcardFunction function ) {
return function.other(this);
}
}
public final static class Finite extends WildcardImpl implements XSWildcard.Union {
public Finite( SchemaDocumentImpl owner, AnnotationImpl _annon, Locator _loc, ForeignAttributesImpl _fa,
Set ns, int _mode ) {
super(owner,_annon,_loc,_fa,_mode);
names = ns;
namesView = Collections.unmodifiableSet(names);
}
private final Set names;
private final Set namesView;
public Iterator iterateNamespaces() {
return names.iterator();
}
public Collection getNamespaces() {
return namesView;
}
public boolean acceptsNamespace( String namespaceURI ) {
return names.contains(namespaceURI);
}
public void visit( XSWildcardVisitor visitor ) {
visitor.union(this);
}
public Object apply( XSWildcardFunction function ) {
return function.union(this);
}
}
public final void visit( XSVisitor visitor ) {
visitor.wildcard(this);
}
public final void visit( XSTermVisitor visitor ) {
visitor.wildcard(this);
}
public Object apply( XSTermFunction function ) {
return function.wildcard(this);
}
public T apply(XSTermFunctionWithParam function, P param) {
return function.wildcard(this,param);
}
public Object apply( XSFunction function ) {
return function.wildcard(this);
}
public boolean isWildcard() { return true; }
public boolean isModelGroupDecl() { return false; }
public boolean isModelGroup() { return false; }
public boolean isElementDecl() { return false; }
public XSWildcard asWildcard() { return this; }
public XSModelGroupDecl asModelGroupDecl() { return null; }
public XSModelGroup asModelGroup() { return null; }
public XSElementDecl asElementDecl() { return null; }
// Ref.Term implementation
public XSTerm getTerm() { return this; }
}
