/*
* Copyright 2002-2007 the original author or authors.
*
* Licensed under the Apache license, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.internna.iwebmvc.core.xml;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.PostConstruct;
import javax.servlet.ServletContext;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.dom4j.Element;
import org.internna.iwebmvc.core.AbstractResourceLoader;
import org.internna.iwebmvc.core.crypto.Cipherer;
import org.internna.iwebmvc.model.core.Menu;
import org.internna.iwebmvc.model.core.MenuBar;
import org.internna.iwebmvc.model.core.MenuItem;
import org.internna.iwebmvc.utils.Dom4JUtils;
import org.internna.iwebmvc.utils.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import org.springframework.web.context.ServletContextAware;
/**
*
* @author Jose Noheda
* @since 1.0
*/
@Component
@Scope("session")
public class MenuManagerImpl extends AbstractResourceLoader implements MenuManager, ServletContextAware {
private static Log log = LogFactory.getLog(MenuManagerImpl.class);
private MenuBar menuBar;
private ServletContext servletContext;
@Autowired protected Cipherer cipherer;
protected String menuPath = "/WEB-INF/resources/menu/menu.xml";
public MenuBar getMenuBar() {
return menuBar;
}
public void setServletContext(ServletContext servletContext) {
this.servletContext = servletContext;
}
@PostConstruct
public void init() throws Exception {
InputStream in = getResource(servletContext, menuPath);
Element root = Dom4JUtils.parse(in).getRootElement();
menuBar = new MenuBar();
for (Object menu : root.elements("menu")) menuBar.addMenu(buildMenu((Element) menu));
}
protected Menu buildMenu(Element element) {
Menu m = null;
if (element != null) {
m = new Menu();
m.setKey(element.attributeValue("menukey"));
List<MenuItem> items = new ArrayList<MenuItem>();
for (Object item : element.elements("menuitem")) items.add(buildMenuItem((Element) item));
m.setAction(getAction(element));
if (items.size() > 0) m.setItems(items);
}
return m;
}
protected MenuItem buildMenuItem(Element element) {
MenuItem item = new MenuItem();
item.setKey(element.attributeValue("menukey"));
item.setMenu(buildMenu(element.element("menu")));
item.setAction(getAction(element));
return item;
}
protected String getAction(Element element) {
String action = element.elementText("jsaction");
if (action != null) action = action.replace("<context_path>", servletContext.getContextPath());
List<String> split = StringUtils.splitBetweenDelimiters(action, "{", "}");
return split.size() > 0 ? split.get(0) + cipherer.encrypt(split.get(1)) + split.get(2) : action;
}
}