1 /* 2 * Copyright (c) 2002-2023, City of Paris 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice 10 * and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice 13 * and the following disclaimer in the documentation and/or other materials 14 * provided with the distribution. 15 * 16 * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its 17 * contributors may be used to endorse or promote products derived from 18 * this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 * 32 * License 1.0 33 */ 34 package fr.paris.lutece.plugins.document.web; 35 36 import fr.paris.lutece.plugins.document.business.DocumentHome; 37 import fr.paris.lutece.plugins.document.business.DocumentResource; 38 import fr.paris.lutece.plugins.document.utils.IntegerUtils; 39 40 import javax.servlet.http.HttpServletRequest; 41 42 43 /** 44 * JSP Bean for document file resource management 45 */ 46 public class ResourceJspBean 47 { 48 ////////////////////////////////////////////////////////////////////////////// 49 // Constants 50 51 // Parameters 52 private static final String PARAMETER_DOCUMENT_ID = "id_document"; 53 private static final String PARAMETER_ATTRIBUTE_ID = "id_attribute"; 54 private DocumentResource _resource; 55 56 /** 57 * Load a file resource corresponding to a file attribute of a document 58 * @param request The HTTP request 59 */ 60 public void loadResource( HttpServletRequest request ) 61 { 62 String strDocumentId = request.getParameter( PARAMETER_DOCUMENT_ID ); 63 int nDocumentId = IntegerUtils.convert( strDocumentId ); 64 65 String strAttributeId = request.getParameter( PARAMETER_ATTRIBUTE_ID ); 66 int nAttributeId = IntegerUtils.convert( strAttributeId ); 67 68 _resource = DocumentHome.getValidatedResource( nDocumentId, nAttributeId ); 69 } 70 71 /** 72 * Returns the content of the file resource 73 * @return The content of the file resource 74 */ 75 public byte[] getContent( ) 76 { 77 return _resource.getContent( ); 78 } 79 80 /** 81 * Returns the content type of the file resource 82 * @return The content type of the file resource 83 */ 84 public String getContentType( ) 85 { 86 return _resource.getContentType( ); 87 } 88 }