import com.sun.xml.internal.bind.v2.schemagen.xmlschema.ContentModelContainer; //导入依赖的package包/类
/**
 * Generate the proper schema fragment for the given map property into the
 * specified schema compositor.
 *
 * @param mp the map property
 */
private Tree handleMapProp(final MapPropertyInfo<T,C> mp) {
    return new Tree.Term() {
        protected void write(ContentModelContainer parent, boolean isOptional, boolean repeated) {
            QName ename = mp.getXmlName();

            LocalElement e = parent.element();
            elementFormDefault.writeForm(e,ename);
            if(mp.isCollectionNillable())
                e.nillable(true);

            e = e.name(ename.getLocalPart());
            writeOccurs(e,isOptional,repeated);
            ComplexType p = e.complexType();

            // TODO: entry, key, and value are always unqualified. that needs to be fixed, too.
            // TODO: we need to generate the corresponding element declaration, if they are qualified
            e = p.sequence().element();
            e.name("entry").minOccurs(0).maxOccurs("unbounded");

            ExplicitGroup seq = e.complexType().sequence();
            writeKeyOrValue(seq, "key", mp.getKeyType());
            writeKeyOrValue(seq, "value", mp.getValueType());
        }
    };
}
 

import com.sun.xml.internal.bind.v2.schemagen.xmlschema.ContentModelContainer; //导入依赖的package包/类
/**
 * Writes inside the given complex type.
 */
protected void write(TypeDefParticle ct) {
    if(canBeTopLevel())
        write(ct._cast(ContentModelContainer.class), false, false);
    else
        // need a dummy wrapper
        new Group(GroupKind.SEQUENCE,this).write(ct);
}