/*

 * 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

 * or visit www.oracle.com if you need additional information or have any

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 */

package com.sun.xml.internal.bind.v2.model.impl;

import java.lang.annotation.Annotation;

import java.beans.Introspector;

import com.sun.xml.internal.bind.v2.model.annotation.Locatable;

import com.sun.xml.internal.bind.v2.model.core.PropertyInfo;

import com.sun.xml.internal.bind.v2.runtime.Location;

/**

 * {@link PropertyInfo} implementation backed by a getter and a setter.

 *

 * We allow the getter or setter to be null, in which case the bean

 * can only participate in unmarshalling (or marshalling)

 */

class GetterSetterPropertySeed<TypeT,ClassDeclT,FieldT,MethodT> implements

        PropertySeed<TypeT,ClassDeclT,FieldT,MethodT> {

    protected final MethodT getter;

    protected final MethodT setter;

    private ClassInfoImpl<TypeT,ClassDeclT,FieldT,MethodT> parent;

    GetterSetterPropertySeed(ClassInfoImpl<TypeT,ClassDeclT,FieldT,MethodT> parent, MethodT getter, MethodT setter) {

        this.parent = parent;

        this.getter = getter;

        this.setter = setter;

        if(getter==null && setter==null)

            throw new IllegalArgumentException();

    }

    public TypeT getRawType() {

        if(getter!=null)

            return parent.nav().getReturnType(getter);

        else

            return parent.nav().getMethodParameters(setter)[0];

    }

    public <A extends Annotation> A readAnnotation(Class<A> annotation) {

        return parent.reader().getMethodAnnotation(annotation, getter,setter,this);

    }

    public boolean hasAnnotation(Class<? extends Annotation> annotationType) {

        return parent.reader().hasMethodAnnotation(annotationType,getName(),getter,setter,this);

    }

    public String getName() {

        if(getter!=null)

            return getName(getter);

        else

            return getName(setter);

    }

    private String getName(MethodT m) {

        String seed = parent.nav().getMethodName(m);

        String lseed = seed.toLowerCase();

        if(lseed.startsWith("get") || lseed.startsWith("set"))

            return camelize(seed.substring(3));

        if(lseed.startsWith("is"))

            return camelize(seed.substring(2));

        return seed;

    }

    private static String camelize(String s) {

        return Introspector.decapitalize(s);

    }

    /**

     * Use the enclosing class as the upsream {@link Location}.

     */

    public Locatable getUpstream() {

        return parent;

    }

    public Location getLocation() {

        if(getter!=null)

            return parent.nav().getMethodLocation(getter);

        else

            return parent.nav().getMethodLocation(setter);

    }

}