aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.bind.v2.model.impl;
aoqi@0: 
aoqi@0: import java.util.Arrays;
aoqi@0: import java.util.Collection;
aoqi@0: import java.util.Map;
aoqi@0: 
aoqi@0: import javax.xml.bind.annotation.XmlElementWrapper;
aoqi@0: import javax.xml.namespace.QName;
aoqi@0: 
aoqi@0: import com.sun.xml.internal.bind.v2.model.core.MapPropertyInfo;
aoqi@0: import com.sun.xml.internal.bind.v2.model.core.NonElement;
aoqi@0: import com.sun.xml.internal.bind.v2.model.core.PropertyKind;
aoqi@0: import com.sun.xml.internal.bind.v2.model.core.TypeInfo;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * @author Kohsuke Kawaguchi
aoqi@0:  */
aoqi@0: class MapPropertyInfoImpl<T,C,F,M> extends PropertyInfoImpl<T,C,F,M> implements MapPropertyInfo<T,C> {
aoqi@0: 
aoqi@0:     private final QName xmlName;
aoqi@0:     private boolean nil;
aoqi@0:     private final T keyType;
aoqi@0:     private final T valueType;
aoqi@0: 
aoqi@0:     // laziy computed to handle cyclic references
aoqi@0:     private NonElement<T,C> keyTypeInfo;
aoqi@0:     private NonElement<T,C> valueTypeInfo;
aoqi@0: 
aoqi@0: 
aoqi@0:     public MapPropertyInfoImpl(ClassInfoImpl<T,C,F,M> ci, PropertySeed<T,C,F,M> seed) {
aoqi@0:         super(ci, seed);
aoqi@0: 
aoqi@0:         XmlElementWrapper xe = seed.readAnnotation(XmlElementWrapper.class);
aoqi@0:         xmlName = calcXmlName(xe);
aoqi@0:         nil = xe!=null && xe.nillable();
aoqi@0: 
aoqi@0:         T raw = getRawType();
aoqi@0:         T bt = nav().getBaseClass(raw, nav().asDecl(Map.class) );
aoqi@0:         assert bt!=null;    // Map property is only for Maps
aoqi@0: 
aoqi@0:         if(nav().isParameterizedType(bt)) {
aoqi@0:             keyType = nav().getTypeArgument(bt,0);
aoqi@0:             valueType = nav().getTypeArgument(bt,1);
aoqi@0:         } else {
aoqi@0:             keyType = valueType = nav().ref(Object.class);
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     public Collection<? extends TypeInfo<T,C>> ref() {
aoqi@0:         return Arrays.asList(getKeyType(),getValueType());
aoqi@0:     }
aoqi@0: 
aoqi@0:     public final PropertyKind kind() {
aoqi@0:         return PropertyKind.MAP;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public QName getXmlName() {
aoqi@0:         return xmlName;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean isCollectionNillable() {
aoqi@0:         return nil;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public NonElement<T,C> getKeyType() {
aoqi@0:         if(keyTypeInfo==null)
aoqi@0:             keyTypeInfo = getTarget(keyType);
aoqi@0:         return keyTypeInfo;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public NonElement<T,C> getValueType() {
aoqi@0:         if(valueTypeInfo==null)
aoqi@0:             valueTypeInfo = getTarget(valueType);
aoqi@0:         return valueTypeInfo;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public NonElement<T,C> getTarget(T type) {
aoqi@0:         assert parent.builder!=null : "this method must be called during the build stage";
aoqi@0:         return parent.builder.getTypeInfo(type,this);
aoqi@0:     }
aoqi@0: }