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.portal.template;
016    
017    import com.liferay.portal.kernel.security.pacl.NotPrivileged;
018    import com.liferay.portal.kernel.template.Template;
019    import com.liferay.portal.kernel.template.TemplateManager;
020    import com.liferay.portal.kernel.template.TemplateResource;
021    
022    import java.security.AccessController;
023    import java.security.PrivilegedAction;
024    
025    import java.util.Map;
026    
027    /**
028     * @author Raymond Aug??
029     */
030    public abstract class BaseTemplateManager implements TemplateManager {
031    
032            @NotPrivileged
033            @Override
034            public Template getTemplate(
035                    TemplateResource templateResource, boolean restricted) {
036    
037                    return getTemplate(templateResource, null, restricted);
038            }
039    
040            @NotPrivileged
041            @Override
042            public Template getTemplate(
043                    TemplateResource templateResource,
044                    TemplateResource errorTemplateResource, boolean restricted) {
045    
046                    TemplateContextHelper templateContextHelper =
047                            getTemplateContextHelper();
048    
049                    Map<String, Object> helperUtilities =
050                            templateContextHelper.getHelperUtilities(restricted);
051    
052                    return AccessController.doPrivileged(
053                            new DoGetTemplatePrivilegedAction(
054                                    templateResource, errorTemplateResource, restricted,
055                                    helperUtilities));
056            }
057    
058            protected abstract Template doGetTemplate(
059                    TemplateResource templateResource,
060                    TemplateResource errorTemplateResource, boolean restricted,
061                    Map<String, Object> helperUtilities);
062    
063            protected abstract TemplateContextHelper getTemplateContextHelper();
064    
065            private class DoGetTemplatePrivilegedAction
066                    implements PrivilegedAction<Template> {
067    
068                    public DoGetTemplatePrivilegedAction(
069                            TemplateResource templateResource,
070                            TemplateResource errorTemplateResource, boolean restricted,
071                            Map<String, Object> helperUtilities) {
072    
073                            _templateResource = templateResource;
074                            _errorTemplateResource = errorTemplateResource;
075                            _restricted = restricted;
076                            _helperUtilities = helperUtilities;
077                    }
078    
079                    @Override
080                    public Template run() {
081                            return doGetTemplate(
082                                    _templateResource, _errorTemplateResource, _restricted,
083                                    _helperUtilities);
084                    }
085    
086                    private TemplateResource _errorTemplateResource;
087                    private Map<String, Object> _helperUtilities;
088                    private boolean _restricted;
089                    private TemplateResource _templateResource;
090    
091            }
092    
093    }