001/* 002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Anahide Tchertchian 018 */ 019package org.nuxeo.ecm.web.resources.jsf.component; 020 021import java.io.IOException; 022 023import javax.faces.component.UIComponentBase; 024import javax.faces.component.UIOutput; 025import javax.faces.context.FacesContext; 026import javax.faces.context.ResponseWriter; 027 028import org.apache.commons.lang3.StringUtils; 029 030import com.sun.faces.config.FaceletsConfiguration; 031import com.sun.faces.config.WebConfiguration; 032 033/** 034 * Component rendering a "meta" HTML tag. 035 * 036 * @since 7.4 037 */ 038public class UIMeta extends UIComponentBase { 039 040 public static final String COMPONENT_TYPE = UIMeta.class.getName(); 041 042 public static enum PropertyKeys { 043 charset, content, httpequiv, name 044 } 045 046 @Override 047 public String getFamily() { 048 return UIOutput.COMPONENT_FAMILY; 049 } 050 051 public String getCharset() { 052 return (String) getStateHelper().eval(PropertyKeys.charset); 053 } 054 055 public void setCharset(String charset) { 056 getStateHelper().put(PropertyKeys.charset, charset); 057 } 058 059 public String getContent() { 060 return (String) getStateHelper().eval(PropertyKeys.content); 061 } 062 063 public void setContent(String content) { 064 getStateHelper().put(PropertyKeys.content, content); 065 } 066 067 public String getHttpequiv() { 068 return (String) getStateHelper().eval(PropertyKeys.httpequiv); 069 } 070 071 public void setHttpequiv(String httpequiv) { 072 getStateHelper().put(PropertyKeys.httpequiv, httpequiv); 073 } 074 075 public String getName() { 076 return (String) getStateHelper().eval(PropertyKeys.name); 077 } 078 079 public void setName(String name) { 080 getStateHelper().put(PropertyKeys.name, name); 081 } 082 083 public String getRendererType() { 084 return null; 085 } 086 087 @Override 088 public void encodeEnd(FacesContext context) throws IOException { 089 if (context == null) { 090 throw new NullPointerException(); 091 } 092 if (!isRendered()) { 093 popComponentFromEL(context); 094 return; 095 } 096 097 ResponseWriter writer = context.getResponseWriter(); 098 writer.startElement("meta", this); 099 WebConfiguration webConfig = WebConfiguration.getInstance(context.getExternalContext()); 100 FaceletsConfiguration faceletsConfig = webConfig.getFaceletsConfiguration(); 101 if (faceletsConfig.isOutputHtml5Doctype(context.getViewRoot().getViewId())) { 102 String charset = getCharset(); 103 if (!StringUtils.isBlank(charset)) { 104 writer.writeAttribute("charset", charset, "charset"); 105 } 106 String httpEquiv = getHttpequiv(); 107 if (!StringUtils.isBlank(httpEquiv)) { 108 writer.writeAttribute("http-equiv", httpEquiv, "http-equiv"); 109 } 110 String content = getContent(); 111 if (!StringUtils.isBlank(content)) { 112 writer.writeAttribute("content", content, "content"); 113 } 114 } else { 115 writer.writeAttribute("http-equiv", "Content-Type", "http-equiv"); 116 writer.writeAttribute("content", "text/html;charset=" + getCharset(), "content"); 117 } 118 String name = getName(); 119 if (!StringUtils.isBlank(name)) { 120 writer.writeAttribute("name", name, "name"); 121 } 122 writer.endElement("meta"); 123 124 popComponentFromEL(context); 125 } 126 127}