AbstractFileGenerationModel.java

package fr.openwide.core.wicket.more.export.model;

import java.io.File;

import org.apache.wicket.model.AbstractReadOnlyModel;
import org.apache.wicket.model.IModel;
import org.javatuples.LabelValue;

public abstract class AbstractFileGenerationModel extends AbstractReadOnlyModel<LabelValue<String, File>> {

	private static final long serialVersionUID = -2527766488833656503L;

	private final IModel<String> fileNameModel;

	public AbstractFileGenerationModel(IModel<String> fileNameModel) {
		this.fileNameModel = fileNameModel;
	}

	@Override
	public LabelValue<String, File> getObject() {
		return LabelValue.with(
				fileNameModel.getObject(),
				generateFile()
		);
	}

	protected abstract File generateFile();

}