Images.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2012 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.util;
 
import org.turro.elephant.context.ElephantContext;
import org.turro.elephant.impl.util.Files;
 
public class Images {
 
  public static final String 
          PATH_TO_IMAGES = "/_zul/images/",
          PATH_TO_12IMAGES = "/_zul/images/12/",
          PATH_TO_64IMAGES = "/_zul/images/64/",
          IMAGE_EXTENSION = ".png";
  
  public static String getImage(String image) {
    return PATH_TO_IMAGES + image + IMAGE_EXTENSION;
  }
  
  public static String get12Image(String image) {
    return PATH_TO_12IMAGES + image + IMAGE_EXTENSION;
  }
 
  public static String get64Image(String image) {
    return PATH_TO_64IMAGES + image + IMAGE_EXTENSION;
  }
 
  public static String getBlankImage() {
    return PATH_TO_IMAGES + "no_img" + IMAGE_EXTENSION;
  }
  
  public static String getImageOrDefault(String image) {
    return getImageOrDefault(image, "/_zul/images/bg/default.png");
  }
  
  public static String getImageOrDefault(String image, String defaultImage) {
    return Files.exists(image) ? image : defaultImage;
  }
  
  public static String getImageOrNull(String image) {
    return Files.exists(image) ? image : null;
  }
  
  public static String removeAppContext(String path) {
    if(path.startsWith(ElephantContext.getRootWebPath())) {
      path = path.substring(ElephantContext.getRootWebPath().length());
    }
    return path;
  }
  
  private Images() {
  }
  
}