/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.generator.rm;

import java.util.Date;

import org.openflexo.foundation.DataModification;
import org.openflexo.foundation.FlexoObservable;
import org.openflexo.foundation.FlexoObserver;
import org.openflexo.foundation.dkv.Language;
import org.openflexo.foundation.rm.FlexoComponentResource;
import org.openflexo.foundation.rm.FlexoProject;
import org.openflexo.foundation.rm.FlexoProjectBuilder;
import org.openflexo.foundation.rm.FlexoResource;
import org.openflexo.foundation.rm.cg.TextFileResource;
import org.openflexo.generator.TemplateLocator;
import org.openflexo.generator.cg.CGTextFile;
import org.openflexo.generator.utils.LocalizedFileGenerator;
import org.openflexo.toolbox.FileFormat;

public class LocalizationFileResource extends TextFileResource<LocalizedFileGenerator, CGTextFile> implements
		GenerationAvailableFileResource, FlexoObserver {

	private final boolean isObserverRegistered = false;

	public LocalizationFileResource(FlexoProjectBuilder builder) {
		super(builder);
		setResourceFormat(FileFormat.TEXT);
	}

	public LocalizationFileResource(FlexoProject aProject) {
		super(aProject);
		setResourceFormat(FileFormat.TEXT);
	}

	@Override
	protected LocalizationFile createGeneratedResourceData() {
		return new LocalizationFile(getFile(), this);
	}

	public void registerObserverWhenRequired() {
	}

	/**
	 * Overrides update
	 * 
	 * @see org.openflexo.foundation.FlexoObserver#update(org.openflexo.foundation.FlexoObservable,
	 *      org.openflexo.foundation.DataModification)
	 */
	@Override
	public void update(FlexoObservable observable, DataModification dataModification) {

	}

	public Language getLanguage() {
		if (getGenerator() != null) {
			return getGenerator().getLanguage();
		}
		return null;
	}

	@Override
	public LocalizationFile getGeneratedResourceData() {
		return (LocalizationFile) super.getGeneratedResourceData();
	}

	/**
	 * Return dependancy computing between this resource, and an other resource, asserting that this resource is contained in this
	 * resource's dependant resources
	 * 
	 * @param resource
	 * @param dependancyScheme
	 * @return
	 */
	@Override
	public boolean optimisticallyDependsOf(FlexoResource resource, Date requestDate) {
		if (resource instanceof TemplateLocator) {
			return ((TemplateLocator) resource).needsUpdateForResource(this);
		}
		return super.optimisticallyDependsOf(resource, requestDate);
	}

	/**
	 * Rebuild resource dependancies for this resource
	 */
	@Override
	public void rebuildDependancies() {
		super.rebuildDependancies();
		addToDependentResources(getProject().getFlexoDKVResource());
		for (FlexoComponentResource componentResource : getProject().getResourcesOfClass(FlexoComponentResource.class)) {
			addToDependentResources(componentResource);
		}
	}

	static String getDefaultFileName(Language lg) {
		return lg.getIsoCode() + ".strings";
	}

}