001    /**
002     * Copyright (c) 2000-2013 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.servlet.taglib.TagSupport;
018    import com.liferay.portal.kernel.util.GetterUtil;
019    import com.liferay.portal.kernel.util.ListUtil;
020    import com.liferay.portal.kernel.util.ServerDetector;
021    import com.liferay.portal.kernel.util.StringPool;
022    import com.liferay.portal.kernel.util.UnicodeProperties;
023    import com.liferay.portal.kernel.util.Validator;
024    import com.liferay.portal.kernel.util.WebKeys;
025    import com.liferay.portal.security.permission.ActionKeys;
026    import com.liferay.portal.security.permission.PermissionChecker;
027    import com.liferay.portal.theme.ThemeDisplay;
028    import com.liferay.portlet.expando.model.ExpandoBridge;
029    import com.liferay.portlet.expando.model.ExpandoColumnConstants;
030    import com.liferay.portlet.expando.model.ExpandoTableConstants;
031    import com.liferay.portlet.expando.service.permission.ExpandoColumnPermissionUtil;
032    import com.liferay.portlet.expando.util.ExpandoBridgeFactoryUtil;
033    
034    import java.io.Serializable;
035    
036    import java.util.Collections;
037    import java.util.List;
038    
039    import javax.servlet.http.HttpServletRequest;
040    import javax.servlet.jsp.JspException;
041    
042    /**
043     * @author Brian Wing Shun Chan
044     */
045    public class CustomAttributesAvailableTag extends TagSupport {
046    
047            @Override
048            public int doStartTag() throws JspException {
049                    try {
050                            HttpServletRequest request =
051                                    (HttpServletRequest)pageContext.getRequest();
052    
053                            ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
054                                    WebKeys.THEME_DISPLAY);
055    
056                            long companyId = _companyId;
057    
058                            if (companyId == 0) {
059                                    companyId = themeDisplay.getCompanyId();
060                            }
061    
062                            ExpandoBridge expandoBridge = null;
063    
064                            if (_classPK == 0) {
065                                    expandoBridge = ExpandoBridgeFactoryUtil.getExpandoBridge(
066                                            companyId, _className);
067                            }
068                            else {
069                                    expandoBridge = ExpandoBridgeFactoryUtil.getExpandoBridge(
070                                            companyId, _className, _classPK);
071                            }
072    
073                            List<String> attributeNames = ListUtil.remove(
074                                    Collections.list(expandoBridge.getAttributeNames()),
075                                    ListUtil.fromString(_ignoreAttributeNames, StringPool.COMMA));
076    
077                            if (attributeNames.isEmpty()) {
078                                    return SKIP_BODY;
079                            }
080    
081                            if (_classPK == 0) {
082                                    return EVAL_BODY_INCLUDE;
083                            }
084    
085                            PermissionChecker permissionChecker =
086                                    themeDisplay.getPermissionChecker();
087    
088                            for (String attributeName : attributeNames) {
089                                    Serializable value = expandoBridge.getAttribute(attributeName);
090    
091                                    if (Validator.isNull(value)) {
092                                            continue;
093                                    }
094    
095                                    UnicodeProperties properties =
096                                            expandoBridge.getAttributeProperties(attributeName);
097    
098                                    boolean propertyHidden = GetterUtil.getBoolean(
099                                            properties.get(ExpandoColumnConstants.PROPERTY_HIDDEN));
100                                    boolean propertyVisibleWithUpdatePermission =
101                                            GetterUtil.getBoolean(
102                                                    properties.get(
103                                                            ExpandoColumnConstants.
104                                                                    PROPERTY_VISIBLE_WITH_UPDATE_PERMISSION));
105    
106                                    if (_editable && propertyVisibleWithUpdatePermission) {
107                                            if (ExpandoColumnPermissionUtil.contains(
108                                                            permissionChecker, companyId, _className,
109                                                            ExpandoTableConstants.DEFAULT_TABLE_NAME,
110                                                            attributeName, ActionKeys.UPDATE)) {
111    
112                                                    propertyHidden = false;
113                                            }
114                                            else {
115                                                    propertyHidden = true;
116                                            }
117                                    }
118    
119                                    if (!propertyHidden &&
120                                            ExpandoColumnPermissionUtil.contains(
121                                                    permissionChecker, companyId, _className,
122                                                    ExpandoTableConstants.DEFAULT_TABLE_NAME, attributeName,
123                                                    ActionKeys.VIEW)) {
124    
125                                            return EVAL_BODY_INCLUDE;
126                                    }
127                            }
128    
129                            return SKIP_BODY;
130                    }
131                    catch (Exception e) {
132                            throw new JspException(e);
133                    }
134                    finally {
135                            if (!ServerDetector.isResin()) {
136                                    _className = null;
137                                    _classPK = 0;
138                                    _companyId = 0;
139                                    _editable = false;
140                                    _ignoreAttributeNames = null;
141                            }
142                    }
143            }
144    
145            public void setClassName(String className) {
146                    _className = className;
147            }
148    
149            public void setClassPK(long classPK) {
150                    _classPK = classPK;
151            }
152    
153            public void setCompanyId(long companyId) {
154                    _companyId = companyId;
155            }
156    
157            public void setEditable(boolean editable) {
158                    _editable = editable;
159            }
160    
161            public void setIgnoreAttributeNames(String ignoreAttributeNames) {
162                    _ignoreAttributeNames = ignoreAttributeNames;
163            }
164    
165            private String _className;
166            private long _classPK;
167            private long _companyId;
168            private boolean _editable;
169            private String _ignoreAttributeNames;
170    
171    }