/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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package com.sun.xml.internal.ws.spi.db;

import java.lang.reflect.Array;

import java.lang.reflect.Field;

import java.lang.reflect.GenericArrayType;

import java.lang.reflect.Method;

import java.lang.reflect.ParameterizedType;

import java.lang.reflect.Type;

import java.security.AccessController;

import java.security.PrivilegedActionException;

import java.security.PrivilegedExceptionAction;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.HashMap;

import java.util.HashSet;

import java.util.List;

import javax.xml.bind.JAXBElement;

import javax.xml.bind.annotation.XmlElement;

import javax.xml.bind.annotation.XmlElementRef;

import javax.xml.bind.annotation.XmlElementWrapper;

import javax.xml.namespace.QName;

/**

 * JAXBWrapperAccessor

 *

 * @author shih-chang.chen@oracle.com

 */

@SuppressWarnings({ "unchecked", "rawtypes" })

public class JAXBWrapperAccessor extends WrapperAccessor {

    protected Class<?> contentClass;

    protected HashMap<Object, Class> elementDeclaredTypes;

    public JAXBWrapperAccessor(Class<?> wrapperBean) {

        contentClass = (Class<?>) wrapperBean;

        HashMap<Object, PropertySetter> setByQName = new HashMap<Object, PropertySetter>();

        HashMap<Object, PropertySetter> setByLocalpart = new HashMap<Object, PropertySetter>();

        HashMap<String, Method> publicSetters = new HashMap<String, Method>();

        HashMap<Object, PropertyGetter> getByQName = new HashMap<Object, PropertyGetter>();

        HashMap<Object, PropertyGetter> getByLocalpart = new HashMap<Object, PropertyGetter>();

        HashMap<String, Method> publicGetters = new HashMap<String, Method>();

        HashMap<Object, Class> elementDeclaredTypesByQName = new HashMap<Object, Class>();

        HashMap<Object, Class> elementDeclaredTypesByLocalpart = new HashMap<Object, Class>();

        for (Method method : contentClass.getMethods()) {

            if (PropertySetterBase.setterPattern(method)) {

                String key = method.getName()

                        .substring(3, method.getName().length()).toLowerCase();

                publicSetters.put(key, method);

            }

            if (PropertyGetterBase.getterPattern(method)) {

                String methodName = method.getName();

                String key = methodName.startsWith("is") ? methodName

                        .substring(2, method.getName().length()).toLowerCase()

                        : methodName.substring(3, method.getName().length())

                                .toLowerCase();

                publicGetters.put(key, method);

            }

        }

        HashSet<String> elementLocalNames = new HashSet<String>();

        for (Field field : getAllFields(contentClass)) {

            XmlElementWrapper xmlElemWrapper = field.getAnnotation(XmlElementWrapper.class);

            XmlElement xmlElem = field.getAnnotation(XmlElement.class);

            XmlElementRef xmlElemRef = field.getAnnotation(XmlElementRef.class);

            String fieldName = field.getName().toLowerCase();

            String namespace = "";

            String localName = field.getName();

            if (xmlElemWrapper != null) {

                namespace = xmlElemWrapper.namespace();

                if (xmlElemWrapper.name() != null && !xmlElemWrapper.name().equals("")

                        && !xmlElemWrapper.name().equals("##default")) {

                    localName = xmlElemWrapper.name();

                }

            }else if (xmlElem != null) {

                namespace = xmlElem.namespace();

                if (xmlElem.name() != null && !xmlElem.name().equals("")

                        && !xmlElem.name().equals("##default")) {

                    localName = xmlElem.name();

                }

            } else if (xmlElemRef != null) {

                namespace = xmlElemRef.namespace();

                if (xmlElemRef.name() != null && !xmlElemRef.name().equals("")

                        && !xmlElemRef.name().equals("##default")) {

                    localName = xmlElemRef.name();

                }

            }

            if (elementLocalNames.contains(localName)) {

                this.elementLocalNameCollision = true;

            } else {

                elementLocalNames.add(localName);

            }

            QName qname = new QName(namespace, localName);

            if (field.getType().equals(JAXBElement.class)) {

                if (field.getGenericType() instanceof ParameterizedType) {

                    Type arg = ((ParameterizedType) field.getGenericType())

                            .getActualTypeArguments()[0];

                    if (arg instanceof Class) {

                        elementDeclaredTypesByQName.put(qname, (Class) arg);

                        elementDeclaredTypesByLocalpart.put(localName,

                                (Class) arg);

                    } else if (arg instanceof GenericArrayType) {

                        Type componentType = ((GenericArrayType) arg)

                                .getGenericComponentType();

                        if (componentType instanceof Class) {

                            Class arrayClass = Array.newInstance(

                                    (Class) componentType, 0).getClass();

                            elementDeclaredTypesByQName.put(qname, arrayClass);

                            elementDeclaredTypesByLocalpart.put(localName,

                                    arrayClass);

                        }

                    }

                }

            }

            }

        }

        if (this.elementLocalNameCollision) {

            this.propertySetters = setByQName;

            this.propertyGetters = getByQName;

            elementDeclaredTypes = elementDeclaredTypesByQName;

        } else {

            this.propertySetters = setByLocalpart;

            this.propertyGetters = getByLocalpart;

            elementDeclaredTypes = elementDeclaredTypesByLocalpart;

        }

    }

        List<Field> list = new ArrayList<Field>();

        while (!Object.class.equals(clz)) {

            list.addAll(Arrays.asList(getDeclaredFields(clz)));

            clz = clz.getSuperclass();

        }

        return list;

    }

        try {

                        @Override

                        public Field[] run() throws IllegalAccessException {

                            return clz.getDeclaredFields();

                        }

                    });

        } catch (PrivilegedActionException e) {

        }

    }

        if (!field.isAccessible()) {

            if (getMethod != null) {

                MethodGetter methodGetter = new MethodGetter(getMethod);

                if (methodGetter.getType().toString().equals(field.getType().toString())) {

                    return methodGetter;

                }

            }

        }

    }

            Method setter) {

        if (!field.isAccessible()) {

            if (setter != null) {

                MethodSetter injection = new MethodSetter(setter);

                if (injection.getType().toString().equals(field.getType().toString())) {

                    return injection;

                }

            }

        }

    }

    private Class getElementDeclaredType(QName name) {

        Object key = (this.elementLocalNameCollision) ? name : name

                .getLocalPart();

        return elementDeclaredTypes.get(key);

    }

    @Override

    public PropertyAccessor getPropertyAccessor(String ns, String name) {

        final QName n = new QName(ns, name);

        final PropertySetter setter = getPropertySetter(n);

        final PropertyGetter getter = getPropertyGetter(n);

        final boolean isJAXBElement = setter.getType()

                .equals(JAXBElement.class);

        final boolean isListType = java.util.List.class.isAssignableFrom(setter

                .getType());

        final Class elementDeclaredType = isJAXBElement ? getElementDeclaredType(n)

                : null;

        return new PropertyAccessor() {

            @Override

            public Object get(Object bean) throws DatabindingException {

                Object val;

                if (isJAXBElement) {

                    val = (jaxbElement == null) ? null : jaxbElement.getValue();

                } else {

                }

                if (val == null && isListType) {

                    val = new java.util.ArrayList();

                    set(bean, val);

                }

                return val;

            }

            @Override

            public void set(Object bean, Object value) throws DatabindingException {

                if (isJAXBElement) {

                    JAXBElement<Object> jaxbElement = new JAXBElement<Object>(

                            n, elementDeclaredType, contentClass, value);

                } else {

                }

            }

        };

    }

}