EntityWebUrls.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2018 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.jpa.entity;
 
import org.turro.elephant.db.ElephantPU;
import org.turro.elephant.db.WhereClause;
import org.turro.elephant.entities.db.EntityWebUrl;
import org.turro.entities.Entities;
import org.turro.jpa.Dao;
import org.turro.util.CompareUtil;
 
public class EntityWebUrls {
  
  public static Object getEntity(String entityRoot, String url) {
    return Entities.getController(getEntityPath(entityRoot, url)).getEntity();
  }
 
  public static String getEntityPath(String entityRoot, String url) {
    if(url.contains("?")) {
      url = url.substring(0, url.indexOf("?"));
    }
    Dao dao = new ElephantPU();
    WhereClause wc = new WhereClause();
    wc.addClause("select w.entityPath from EntityWebUrl w");
    wc.addClause("where w.entityUrl = :url");
    wc.addNamedValue("url", url);
    wc.addClause("and w.entityPath like :path");
    wc.addNamedValue("path", entityRoot + "%");
    return (String) dao.getSingleResultOrNull(wc);
  }
 
  public static String getUrlFromEntity(Object entity) {
    return getUrl(Entities.getController(entity).getPath());
  }
  
  public static String getUrl(String entityPath) {
    Dao dao = new ElephantPU();
    WhereClause wc = new WhereClause();
    wc.addClause("select w.entityUrl from EntityWebUrl w");
    wc.addClause("where w.entityPath = :path");
    wc.addNamedValue("path", entityPath);
    return (String) dao.getSingleResultOrNull(wc);
  }
  
  public static EntityWebUrl addWebUrl(String entityPath, String url) {
    removeEntityUrl(entityPath);
    EntityWebUrl ewu = new EntityWebUrl();
    ewu.setEntityPath(entityPath);
    ewu.setEntityUrl(url);
    return new ElephantPU().saveObject(ewu);
  }
 
  public static void removeEntityUrl(String entityPath) {
    Dao dao = new ElephantPU();
    WhereClause wc = new WhereClause();
    wc.addClause("delete from EntityWebUrl");
    wc.addClause("where entityPath = :path");
    wc.addNamedValue("path", entityPath);
    dao.executeUpdate(wc);
  }
  
  public static boolean existsEntity(String entityPath) {
    Dao dao = new ElephantPU();
    WhereClause wc = new WhereClause();
    wc.addClause("select w from EntityWebUrl w");
    wc.addClause("where w.entityPath = :path");
    wc.addNamedValue("path", entityPath);
    return !dao.getResultList(wc).isEmpty();
  }
  
  public static boolean existsAnyOf(String entityPath) {
    Dao dao = new ElephantPU();
    WhereClause wc = new WhereClause();
    wc.addClause("select count(w) from EntityWebUrl w");
    wc.addClause("where w.entityPath like :path");
    wc.addNamedValue("path", entityPath + "%");
    return ((Long) dao.getSingleResultOrNull(wc)) > 0;
  }
  
  public static boolean sameURL(String url1, String url2) {
    if(url1.endsWith("/")) url1 = url1.substring(0, url1.length() - 1);
    if(url2.endsWith("/")) url2 = url2.substring(0, url2.length() - 1);
    return CompareUtil.compare(url1, url2) == 0;
  }
 
  private EntityWebUrls() {
  }  
 
}