Plan/Plan/common/src/main/java/com/djrapitops/plan/delivery/webserver/pages/TreePageHandler.java

98 lines
3.5 KiB
Java

/*
* This file is part of Player Analytics (Plan).
*
* Plan is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License v3 as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Plan 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 Plan. If not, see <https://www.gnu.org/licenses/>.
*/
package com.djrapitops.plan.delivery.webserver.pages;
import com.djrapitops.plan.delivery.webserver.Request;
import com.djrapitops.plan.delivery.webserver.RequestTarget;
import com.djrapitops.plan.delivery.webserver.auth.Authentication;
import com.djrapitops.plan.delivery.webserver.response.Response;
import com.djrapitops.plan.delivery.webserver.response.ResponseFactory;
import com.djrapitops.plan.exceptions.WebUserAuthException;
import com.djrapitops.plan.exceptions.connection.WebException;
import java.util.HashMap;
import java.util.Map;
/**
* Abstract PageHandler that allows Tree-like target deduction.
*
* @author Rsl1122
*/
public abstract class TreePageHandler implements PageHandler {
protected final ResponseFactory responseFactory;
private final Map<String, PageHandler> pages;
public TreePageHandler(ResponseFactory responseFactory) {
this.responseFactory = responseFactory;
pages = new HashMap<>();
}
public void registerPage(String targetPage, PageHandler handler) {
pages.put(targetPage, handler);
}
public void registerPage(String targetPage, PageHandler handler, int requiredPerm) {
pages.put(targetPage, new PageHandler() {
@Override
public Response getResponse(Request request, RequestTarget target) throws WebException {
return handler.getResponse(request, target);
}
@Override
public boolean isAuthorized(Authentication auth, RequestTarget target) throws WebUserAuthException {
return auth.getWebUser().getPermLevel() <= requiredPerm;
}
});
}
public void registerPage(String targetPage, Response response, int requiredPerm) {
pages.put(targetPage, new PageHandler() {
@Override
public Response getResponse(Request request, RequestTarget target) {
return response;
}
@Override
public boolean isAuthorized(Authentication auth, RequestTarget target) throws WebUserAuthException {
return auth.getWebUser().getPermLevel() <= requiredPerm;
}
});
}
@Override
public Response getResponse(Request request, RequestTarget target) throws WebException {
PageHandler pageHandler = getPageHandler(target);
return pageHandler != null
? pageHandler.getResponse(request, target)
: responseFactory.pageNotFound404();
}
public PageHandler getPageHandler(RequestTarget target) {
if (target.isEmpty()) {
return pages.get("");
}
String targetPage = target.get(0);
target.removeFirst();
return pages.get(targetPage);
}
public PageHandler getPageHandler(String targetPage) {
return pages.get(targetPage);
}
}