001/* 002 * Copyright 2011 Anyware Services 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 */ 016package org.ametys.plugins.blog.posts; 017 018import java.util.ArrayList; 019import java.util.List; 020 021import org.apache.commons.lang.StringUtils; 022 023import org.ametys.cms.contenttype.ContentTypeExtensionPoint; 024import org.ametys.cms.tag.TagProviderExtensionPoint; 025import org.ametys.plugins.repository.AmetysObjectResolver; 026import org.ametys.plugins.repository.query.expression.Expression; 027import org.ametys.plugins.repository.query.expression.Expression.Operator; 028import org.ametys.plugins.repository.query.expression.OrExpression; 029import org.ametys.plugins.repository.query.expression.StringExpression; 030import org.ametys.web.filter.DefaultWebContentFilter; 031import org.ametys.web.repository.content.jcr.DefaultWebContent; 032import org.ametys.web.repository.site.Site; 033import org.ametys.web.repository.site.SiteManager; 034 035/** 036 * Post filter: able to search posts in blog sites. 037 */ 038public class PostFilter extends DefaultWebContentFilter 039{ 040 041 /** The blog site type. */ 042 public static final String BLOG_SITE_TYPE = "org.ametys.plugins.blog.sitetype.Blog"; 043 044 /** The site name or blank to search in all sites. */ 045 protected String _site; 046 047 /** 048 * Create a new filter. 049 */ 050 public PostFilter() 051 { 052 super(); 053 } 054 055 /** 056 * Create a new filter. 057 * @param id The filter unique identifier 058 * @param resolver The ametys object resolver 059 * @param contentTypeExtensionPoint The extension point for content types 060 * @param siteManager the site manager. 061 * @param tagProviderEP The tag provider extension point 062 */ 063 public PostFilter(String id, AmetysObjectResolver resolver, ContentTypeExtensionPoint contentTypeExtensionPoint, SiteManager siteManager, TagProviderExtensionPoint tagProviderEP) 064 { 065 super(id, resolver, contentTypeExtensionPoint, siteManager, tagProviderEP); 066 } 067 068 /** 069 * Get the site name. 070 * @return the site name or blank to search in all sites. 071 */ 072 public String getSite() 073 { 074 return this._site; 075 } 076 077 /** 078 * Set the site name. 079 * @param site the site name or blank to search in all sites. 080 */ 081 public void setSite(String site) 082 { 083 this._site = site; 084 } 085 086 @Override 087 public FilterSearchContext createSeachContext() 088 { 089 return new PostFilterSearchContext(_siteManager); 090 } 091 092 /** 093 * FilterSearchContext specific to the post filter. 094 */ 095 public class PostFilterSearchContext extends DefaultFilterSearchContext 096 { 097 098 /** 099 * Build a PostFilterSearchContext. 100 * @param siteManager the site manager. 101 */ 102 public PostFilterSearchContext(SiteManager siteManager) 103 { 104 super(siteManager); 105 } 106 107 @Override 108 protected Expression getContextExpression(String siteName) 109 { 110 Expression expr = null; 111 112 if (StringUtils.isBlank(_site)) 113 { 114 // Get one expression for all the blog sites. 115 List<Expression> siteExpressions = new ArrayList<>(); 116 117 for (Site site : _siteManager.getSites()) 118 { 119 if (site.getType().equals(BLOG_SITE_TYPE)) 120 { 121 siteExpressions.add(new StringExpression(DefaultWebContent.METADATA_SITE, Operator.EQ, site.getName())); 122 } 123 } 124 125 expr = new OrExpression(siteExpressions.toArray(new Expression[siteExpressions.size()])); 126 } 127 else 128 { 129 expr = new StringExpression(DefaultWebContent.METADATA_SITE, Operator.EQ, _site); 130 } 131 132 return expr; 133 } 134 } 135 136}