import com.sun.xml.internal.bind.v2.runtime.AssociationMap; //导入依赖的package包/类
public UnmarshallerImpl( JAXBContextImpl context, AssociationMap assoc ) {
    this.context = context;
    this.coordinator = new UnmarshallingContext( this, assoc );

    try {
        setEventHandler(this);
    } catch (JAXBException e) {
        throw new AssertionError(e);    // impossible
    }
}
 

import com.sun.xml.internal.bind.v2.runtime.AssociationMap; //导入依赖的package包/类
public DOMOutput(Node node, AssociationMap assoc) {
    super(new SAX2DOMEx(node));
    this.assoc = assoc;
    assert assoc!=null;
}
 

import com.sun.xml.internal.bind.v2.runtime.AssociationMap; //导入依赖的package包/类
public InPlaceDOMOutput(Node node, AssociationMap assoc) {
    super(new SAX2DOMEx(node));
    this.assoc = assoc;
    assert assoc!=null;
}
 

import com.sun.xml.internal.bind.v2.runtime.AssociationMap; //导入依赖的package包/类
/**
 * Creates a new unmarshaller.
 *
 * @param assoc
 *      Must be both non-null when the unmarshaller does the
 *      in-place unmarshalling. Otherwise must be both null.
 */
public UnmarshallingContext( UnmarshallerImpl _parent, AssociationMap assoc) {
    this.parent = _parent;
    this.assoc = assoc;
    this.root = this.current = new State(null);
    allocateMoreStates();
}
 

import com.sun.xml.internal.bind.v2.runtime.AssociationMap; //导入依赖的package包/类
/**
 * Creates a new unmarshaller.
 *
 * @param assoc
 *      Must be both non-null when the unmarshaller does the
 *      in-place unmarshalling. Otherwise must be both null.
 */
public UnmarshallingContext( UnmarshallerImpl _parent, AssociationMap assoc) {
    this.parent = _parent;
    this.assoc = assoc;
    this.root = this.current = new State(null);
}