001/* 002 * (C) Copyright 2014 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.platform.ui.web.component.file; 020 021import java.io.IOException; 022import java.util.Collection; 023import java.util.Map; 024 025import javax.faces.FacesException; 026import javax.faces.component.UIComponent; 027import javax.faces.context.ExternalContext; 028import javax.faces.context.FacesContext; 029import javax.servlet.ServletException; 030import javax.servlet.http.HttpServletRequest; 031import javax.servlet.http.Part; 032 033import org.apache.commons.fileupload.FileUploadBase.InvalidContentTypeException; 034import org.nuxeo.ecm.core.api.Blobs; 035import org.nuxeo.ecm.platform.ui.web.util.files.FileUtils; 036 037import com.sun.faces.renderkit.html_basic.FileRenderer; 038 039/** 040 * Renderer for file input. 041 * <p> 042 * Overrides the base JSF renderer for files to ignore error when submitting file inside a non multipart form. 043 * <p> 044 * Component {@link UIInputFile} will handle error message management in UI, if validation phase occurs. 045 * 046 * @since 7.1 047 */ 048public class NXFileRenderer extends FileRenderer { 049 050 public static final String RENDERER_TYPE = "javax.faces.NXFile"; 051 052 @Override 053 public void decode(FacesContext context, UIComponent component) { 054 055 rendererParamsNotNull(context, component); 056 057 if (!shouldDecode(component)) { 058 return; 059 } 060 061 String clientId = decodeBehaviors(context, component); 062 063 if (clientId == null) { 064 clientId = component.getClientId(context); 065 } 066 067 assert (clientId != null); 068 ExternalContext externalContext = context.getExternalContext(); 069 Map<String, String> requestMap = externalContext.getRequestParameterMap(); 070 071 if (requestMap.containsKey(clientId)) { 072 setSubmittedValue(component, requestMap.get(clientId)); 073 } 074 075 HttpServletRequest request = (HttpServletRequest) externalContext.getRequest(); 076 try { 077 Collection<Part> parts = request.getParts(); 078 for (Part cur : parts) { 079 if (clientId.equals(cur.getName())) { 080 // Nuxeo patch: transform into serializable blob right away, and do not set component transient 081 // component.setTransient(true); 082 // setSubmittedValue(component, cur); 083 setSubmittedValue(component, FileUtils.createBlob(cur)); 084 } 085 } 086 } catch (IOException ioe) { 087 throw new FacesException(ioe); 088 } catch (ServletException se) { 089 Throwable cause = se.getCause(); 090 // Nuxeo specific error management 091 if ((cause instanceof InvalidContentTypeException) 092 || (cause != null && cause.getClass().getName().contains("InvalidContentTypeException"))) { 093 setSubmittedValue(component, Blobs.createBlob("")); 094 } else { 095 throw new FacesException(se); 096 } 097 } 098 } 099}