WebResourceParts.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2021 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.elephant.web.context;
 
import java.io.File;
import java.nio.file.Path;
import java.util.Date;
import java.util.List;
import org.turro.string.ObjectString;
import org.turro.string.Strings;
import org.turro.action.Contacts;
import org.turro.plugin.contacts.IContact;
 
public class WebResourceParts {
 
  private static final String 
          RESOURCE_EXT = "\\.(jsp|html|htm|txt|zul|zhtml)$",
          EDITABLE_EXT = "\\.(wiki)$",
          LOCALE = "((?:_[a-zA-Z]{2})?(?:_[a-zA-Z]{2})?(?:_[a-zA-Z]{2})?)",
          BASE = "^([^\\.\\_]+)",
          MODIFIED = "\\.([0-9]+)",
          AUTHOR = "\\.([^\\.\\_]+)",
          RESOURCE = BASE + LOCALE + RESOURCE_EXT,
          RESOURCE_GLOBAL = BASE + RESOURCE_EXT,
          EDITABLE = BASE + MODIFIED + AUTHOR + LOCALE + EDITABLE_EXT;
  
  private String base, locale, extension, author, modified;
  private Date modifiedDate;
 
  public WebResourceParts(File file) {
    matchFile(file);
  }
 
  public String getBase() {
    return base;
  }
 
  public String getLocale() {
    return locale;
  }
 
  public String getExtension() {
    return extension;
  }
 
  public String getAuthor() {
    return author;
  }
 
  public String getModified() {
    return modified;
  }
 
  public Date getModifiedDate() {
    return modifiedDate;
  }
  
  /* Utils */
  
  public boolean isEmpty() {
    return Strings.isBlank(base);
  }
  
  public boolean isResource() {
    return !isEmpty() && Strings.isBlank(modified);
  }
 
  public boolean isEditable() {
    return !isEmpty() && !Strings.isBlank(modified);
  }
  
  public String nameAsResource() {
    return base + locale + ".html";
  }
  
  public String nameAsEditable(IContact contact) {
    return base + "." + modified + "." + contact.getId() + locale + ".wiki";
  }
  
  public File getEditableFile(Path folder, IContact contact) {
    return Path.of(folder.toString(), nameAsEditable(contact)).toFile();
  }
  
  public File getResourceFile(Path folder) {
    return Path.of(folder.toString(), nameAsResource()).toFile();
  }
  
  public IContact getUser() {
    return Contacts.getContactById(author);
  }
 
  public static WebResourceParts editable(IContact contact, String base, String locale) {
    WebResourceParts wrp = new WebResourceParts(null);
    if(Strings.isBlank(base)) {
      wrp.base = "000" + ObjectString.formatObject(new Date(),                 
                ObjectString.COMPRESSED_DATE_PATTERN, false);
    } else {
      wrp.base = base;
    }
    wrp.modified = ObjectString.formatObject(new Date(),                 
                ObjectString.COMPRESSED_DATE_PATTERN, false);
    wrp.author = contact.getId();
    wrp.locale = locale;
    wrp.extension = "wiki";
    return wrp;
  }
 
  private void matchFile(File file) {
    if(file == null) return;
    String fileName = file.getName();
    if(fileName.matches(RESOURCE)) {
      List<String> parts = Strings.extractAllGroups(fileName, RESOURCE);
      if(parts.size() == 3) {
        base = parts.get(0);
        locale = parts.get(1);
        extension = parts.get(2);
      }
    } else if(fileName.matches(RESOURCE_GLOBAL)) {
      List<String> parts = Strings.extractAllGroups(fileName, RESOURCE_GLOBAL);
      if(parts.size() == 2) {
        base = parts.get(0);
        locale = "";
        extension = parts.get(1);
      }
    } else if(fileName.matches(EDITABLE)) {
      List<String> parts = Strings.extractAllGroups(fileName, EDITABLE);
      if(parts.size() == 5) {
        base = parts.get(0);
        modified = parts.get(1);
        author = parts.get(2);
        locale = parts.get(3);
        extension = parts.get(4);
        modifiedDate = (Date) ObjectString.parseString(modified,                 
                ObjectString.COMPRESSED_DATE_PATTERN, Date.class, false);        
      }
    }
  }
 
}