001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.taglib.ui;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.log.Log;
019    import com.liferay.portal.kernel.log.LogFactoryUtil;
020    import com.liferay.portal.kernel.util.StringPool;
021    import com.liferay.portlet.asset.AssetRendererFactoryRegistryUtil;
022    import com.liferay.portlet.asset.model.AssetEntry;
023    import com.liferay.portlet.asset.model.AssetRenderer;
024    import com.liferay.portlet.asset.model.AssetRendererFactory;
025    import com.liferay.portlet.asset.service.AssetEntryLocalServiceUtil;
026    import com.liferay.taglib.util.IncludeTag;
027    
028    import javax.servlet.http.HttpServletRequest;
029    
030    /**
031     * @author Eudaldo Alonso
032     */
033    public class AssetMetadataTag extends IncludeTag {
034    
035            public String getClassName() {
036                    return _className;
037            }
038    
039            public long getClassPK() {
040                    return _classPK;
041            }
042    
043            public String[] getMetadataFields() {
044                    return _metadataFields;
045            }
046    
047            public boolean isFilterByMetadata() {
048                    return _filterByMetadata;
049            }
050    
051            public void setClassName(String className) {
052                    _className = className;
053            }
054    
055            public void setClassPK(long classPK) {
056                    _classPK = classPK;
057            }
058    
059            public void setFilterByMetadata(boolean filterByMetadata) {
060                    _filterByMetadata = filterByMetadata;
061            }
062    
063            public void setMetadataFields(String[] metadataFields) {
064                    _metadataFields = metadataFields;
065            }
066    
067            @Override
068            protected void cleanUp() {
069                    _className = StringPool.BLANK;
070                    _classPK = 0;
071                    _filterByMetadata = false;
072                    _metadataFields = null;
073            }
074    
075            @Override
076            protected String getPage() {
077                    return _PAGE;
078            }
079    
080            @Override
081            protected void setAttributes(HttpServletRequest request) {
082                    AssetEntry assetEntry = AssetEntryLocalServiceUtil.fetchEntry(
083                            _className, _classPK);
084    
085                    request.setAttribute(
086                            "liferay-ui:asset-metadata:assetEntry", assetEntry);
087    
088                    AssetRendererFactory<?> assetRendererFactory =
089                            AssetRendererFactoryRegistryUtil.getAssetRendererFactoryByClassName(
090                                    _className);
091    
092                    try {
093                            AssetRenderer<?> assetRenderer =
094                                    assetRendererFactory.getAssetRenderer(_classPK);
095    
096                            request.setAttribute(
097                                    "liferay-ui:asset-metadata:assetRenderer", assetRenderer);
098                    }
099                    catch (PortalException pe) {
100                            _log.error(pe, pe);
101                    }
102    
103                    request.setAttribute("liferay-ui:asset-metadata:className", _className);
104                    request.setAttribute("liferay-ui:asset-metadata:classPK", _classPK);
105                    request.setAttribute(
106                            "liferay-ui:asset-metadata:filterByMetadata", _filterByMetadata);
107                    request.setAttribute(
108                            "liferay-ui:asset-metadata:metadataFields", _metadataFields);
109            }
110    
111            private static final String _PAGE =
112                    "/html/taglib/ui/asset_metadata/page.jsp";
113    
114            private static final Log _log = LogFactoryUtil.getLog(
115                    AssetMetadataTag.class);
116    
117            private String _className = StringPool.BLANK;
118            private long _classPK;
119            private boolean _filterByMetadata;
120            private String[] _metadataFields;
121    
122    }