/**
* Copyright 2004-2016 Riccardo Solmi. All rights reserved.
* This file is part of the Whole Platform.
*
* The Whole Platform is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The Whole Platform 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the Whole Platform. If not, see <http://www.gnu.org/licenses/>.
*/
package org.whole.lang.reflect;
import java.util.Collection;
/**
* @author Riccardo Solmi
*/
public abstract class AbstractLanguageRequestHandler implements ILanguageRequestHandler {
protected ILanguageRequestHandler successor = NullLanguageRequestHandler.instance;
public int getPriority() {
return 0;
}
public void addLanguageRequestHandler(ILanguageRequestHandler handler) {
if (successor.getPriority() < handler.getPriority()) {
handler.addLanguageRequestHandler(successor);
successor = handler;
} else if (successor != handler)
successor.addLanguageRequestHandler(handler);
}
public ILanguageRequestHandler removeLanguageRequestHandler(ILanguageRequestHandler handler) {
if (handler != this) {
successor = successor.removeLanguageRequestHandler(handler);
return this;
} else
return successor;
}
public Collection<String> getLanguagesURIs(Collection<String> collection) {
return successor.getLanguagesURIs(collection);
}
public Collection<String> getLanguagesNames(Collection<String> collection) {
return successor.getLanguagesNames(collection);
}
public boolean containsLanguage(String languageURI) {
return successor.containsLanguage(languageURI);
}
public boolean deployLanguage(String languageURI) {
return successor.deployLanguage(languageURI);
}
public boolean undeployLanguage(String languageURI) {
return successor.undeployLanguage(languageURI);
}
}