org.wicketopia.domdrides.component.link.UpdateEntityLink.java Source code

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Here is the source code for org.wicketopia.domdrides.component.link.UpdateEntityLink.java

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/*
 * Copyright (c) 2011 Carman Consulting, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.wicketopia.domdrides.component.link;

import org.apache.wicket.markup.html.form.SubmitLink;
import org.apache.wicket.model.IModel;
import org.domdrides.entity.Entity;
import org.domdrides.repository.Repository;

import java.io.Serializable;

/**
 * @since 1.0
 */
public abstract class UpdateEntityLink<E extends Entity<I>, I extends Serializable> extends SubmitLink {
    //----------------------------------------------------------------------------------------------------------------------
    // Fields
    //----------------------------------------------------------------------------------------------------------------------

    private final Repository<E, I> repository;

    //----------------------------------------------------------------------------------------------------------------------
    // Constructors
    //----------------------------------------------------------------------------------------------------------------------

    protected UpdateEntityLink(String id, Repository<E, I> repository, IModel<E> model) {
        super(id);
        setDefaultModel(model);
        this.repository = repository;
    }

    //----------------------------------------------------------------------------------------------------------------------
    // Abstract Methods
    //----------------------------------------------------------------------------------------------------------------------

    protected abstract void afterUpdate(E entity);

    //----------------------------------------------------------------------------------------------------------------------
    // IFormSubmittingComponent Implementation
    //----------------------------------------------------------------------------------------------------------------------

    @Override
    @SuppressWarnings("unchecked")
    public void onSubmit() {
        E entity = (E) getDefaultModelObject();
        entity = repository.update(entity);
        setDefaultModelObject(entity);
        afterUpdate(entity);
    }
}