/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.superbiz.moviefun.util;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.model.SelectItem;
import java.util.List;
public class JsfUtil {
/** Hidden utility class constructor. */
private JsfUtil() {
}
public static SelectItem[] getSelectItems(List<?> entities, boolean selectOne) {
int size = selectOne ? entities.size() + 1 : entities.size();
SelectItem[] items = new SelectItem[size];
int i = 0;
if (selectOne) {
items[0] = new SelectItem("", "---");
i++;
}
for (Object x : entities) {
items[i++] = new SelectItem(x, x.toString());
}
return items;
}
public static void addErrorMessage(Exception ex, String defaultMsg) {
String msg = ex.getLocalizedMessage();
if (msg != null && msg.length() > 0) {
addErrorMessage(msg);
}
else {
addErrorMessage(defaultMsg);
}
}
public static void addErrorMessages(List<String> messages) {
for (String message : messages) {
addErrorMessage(message);
}
}
public static void addErrorMessage(String msg) {
FacesMessage facesMsg = new FacesMessage(FacesMessage.SEVERITY_ERROR, msg, msg);
FacesContext.getCurrentInstance().addMessage(null, facesMsg);
}
public static void addSuccessMessage(String msg) {
FacesMessage facesMsg = new FacesMessage(FacesMessage.SEVERITY_INFO, msg, msg);
FacesContext.getCurrentInstance().addMessage("successInfo", facesMsg);
}
public static String getRequestParameter(String key) {
return FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap()
.get(key);
}
public static Object getObjectFromRequestParameter(String requestParameterName,
Converter converter, UIComponent component) {
String theId = JsfUtil.getRequestParameter(requestParameterName);
return converter.getAsObject(FacesContext.getCurrentInstance(), component, theId);
}
}