com.sun.tools.xjc.model.CReferencePropertyInfo Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2021 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.tools.xjc.model;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.Map;
import javax.activation.MimeType;
import javax.xml.bind.annotation.W3CDomHandler;
import javax.xml.namespace.QName;
import com.sun.tools.xjc.model.nav.NClass;
import com.sun.tools.xjc.model.nav.NType;
import com.sun.tools.xjc.model.nav.NavigatorImpl;
import com.sun.xml.bind.v2.model.core.ID;
import com.sun.xml.bind.v2.model.core.PropertyKind;
import com.sun.xml.bind.v2.model.core.ReferencePropertyInfo;
import com.sun.xml.bind.v2.model.core.WildcardMode;
import com.sun.xml.xsom.XSComponent;
import org.xml.sax.Locator;
/**
* {@link ReferencePropertyInfo} for the compiler.
*
* @author Kohsuke Kawaguchi
*/
public final class CReferencePropertyInfo extends CPropertyInfo implements ReferencePropertyInfo {
/**
* True if this property can never be absent legally.
*/
private final boolean required;
/**
* List of referenced elements.
*/
private final Set elements = new LinkedHashSet();
private final boolean isMixed;
private WildcardMode wildcard;
private boolean dummy;
private boolean content;
private boolean isMixedExtendedCust = false;
public CReferencePropertyInfo(String name, boolean collection, boolean required, boolean isMixed, XSComponent source,
CCustomizations customizations, Locator locator, boolean dummy, boolean content, boolean isMixedExtended) { // 'dummy' and 'content' here for NHIN fix - a hack in order to be able to handle extended mixed types better
super(name, (collection||isMixed) && (!dummy), source, customizations, locator);
this.isMixed = isMixed;
this.required = required;
this.dummy = dummy;
this.content = content;
this.isMixedExtendedCust = isMixedExtended;
}
public Set ref() {
// if(wildcard==null && !isMixed())
// return getElements();
// ugly hack to get the signature right for substitution groups
// when a class is generated for elements,they don't form a nice type hierarchy,
// so the Java types of the substitution members need to be taken into account
// when computing the signature
final class RefList extends LinkedHashSet {
RefList() {
super(elements.size());
addAll(elements);
}
@Override
public boolean addAll( Collection col ) {
boolean r = false;
for (CTypeInfo e : col) {
if(e instanceof CElementInfo) {
// UGLY. element substitution is implemented in a way that
// the derived elements are not assignable to base elements.
// so when we compute the signature, we have to take derived types
// into account
r |= addAll( ((CElementInfo)e).getSubstitutionMembers());
}
r |= add(e);
}
return r;
}
}
RefList r = new RefList();
if(wildcard!=null) {
if(wildcard.allowDom)
r.add(CWildcardTypeInfo.INSTANCE);
if(wildcard.allowTypedObject)
// we aren't really adding an AnyType.
// this is a kind of hack to generate Object as a signature
r.add(CBuiltinLeafInfo.ANYTYPE);
}
if(isMixed())
r.add(CBuiltinLeafInfo.STRING);
return r;
}
public Set getElements() {
return elements;
}
public boolean isMixed() {
return isMixed;
}
public boolean isDummy() {
return dummy;
}
public boolean isContent() {
return content;
}
public boolean isMixedExtendedCust() {
return isMixedExtendedCust;
}
/**
* We'll never use a wrapper element in XJC. Always return null.
*/
@Deprecated
public QName getXmlName() {
return null;
}
/**
* Reference properties refer to elements, and none of the Java primitive type
* maps to an element. Thus a reference property is always unboxable.
*/
@Override
public boolean isUnboxable() {
return false;
}
// the same as above
@Override
public boolean isOptionalPrimitive() {
return false;
}
public V accept(CPropertyVisitor visitor) {
return visitor.onReference(this);
}
@Override
public R accept(CPropertyVisitor2 visitor, P p) {
return visitor.visit(this, p);
}
public CAdapter getAdapter() {
return null;
}
public final PropertyKind kind() {
return PropertyKind.REFERENCE;
}
/**
* A reference property can never be ID/IDREF because they always point to
* other element classes.
*/
public ID id() {
return ID.NONE;
}
public WildcardMode getWildcard() {
return wildcard;
}
public void setWildcard(WildcardMode mode) {
this.wildcard = mode;
}
public NClass getDOMHandler() {
// TODO: support other DOM handlers
if(getWildcard()!=null)
return NavigatorImpl.create(W3CDomHandler.class);
else
return null;
}
public MimeType getExpectedMimeType() {
return null;
}
public boolean isCollectionNillable() {
// in XJC, we never recognize a nillable collection pattern, so this is always false.
return false;
}
public boolean isCollectionRequired() {
// in XJC, we never recognize a nillable collection pattern, so this is always false.
return false;
}
// reference property cannot have a type.
public QName getSchemaType() {
return null;
}
public boolean isRequired() {
return required;
}
@Override
public QName collectElementNames(Map table) {
for (CElement e : elements) {
QName n = e.getElementName();
if(table.containsKey(n))
return n;
table.put(n,this);
}
return null;
}
}