Java tutorial
/** * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. */ package com.liferay.trash.web.internal.display.context; import com.liferay.petra.string.StringPool; import com.liferay.portal.kernel.dao.search.SearchContainer; import com.liferay.portal.kernel.exception.PortalException; import com.liferay.portal.kernel.language.LanguageUtil; import com.liferay.portal.kernel.model.ContainerModel; import com.liferay.portal.kernel.portlet.LiferayPortletRequest; import com.liferay.portal.kernel.portlet.LiferayPortletResponse; import com.liferay.portal.kernel.theme.ThemeDisplay; import com.liferay.portal.kernel.trash.TrashHandler; import com.liferay.portal.kernel.trash.TrashHandlerRegistryUtil; import com.liferay.portal.kernel.trash.TrashRenderer; import com.liferay.portal.kernel.util.HtmlUtil; import com.liferay.portal.kernel.util.ListUtil; import com.liferay.portal.kernel.util.ParamUtil; import com.liferay.portal.kernel.util.PortalUtil; import com.liferay.portal.kernel.util.Validator; import com.liferay.portal.kernel.util.WebKeys; import java.util.List; import javax.portlet.PortletURL; import javax.servlet.http.HttpServletRequest; /** * Provides utility methods moved from the trash entry model container's JSP * file to reduce the complexity of that particular view. * * @author Jrgen Kappler */ public class TrashContainerModelDisplayContext { public TrashContainerModelDisplayContext(LiferayPortletRequest liferayPortletRequest, LiferayPortletResponse liferayPortletResponse) { _liferayPortletRequest = liferayPortletRequest; _liferayPortletResponse = liferayPortletResponse; _request = PortalUtil.getHttpServletRequest(liferayPortletRequest); } public String getBackURL() { if (Validator.isNotNull(_backURL)) { return _backURL; } _backURL = ParamUtil.getString(_request, "backURL", getRedirect()); return _backURL; } public String getClassName() { if (Validator.isNotNull(_className)) { return _className; } _className = PortalUtil.getClassName(getClassNameId()); return _className; } public long getClassNameId() { if (_classNameId != null) { return _classNameId; } _classNameId = ParamUtil.getLong(_request, "classNameId"); return _classNameId; } public long getClassPK() { if (_classPK != null) { return _classPK; } _classPK = ParamUtil.getLong(_request, "classPK"); return _classPK; } public String getContainerModelClassName() { if (Validator.isNotNull(_containerModelClassName)) { return _containerModelClassName; } _containerModelClassName = PortalUtil.getClassName(getContainerModelClassNameId()); return _containerModelClassName; } public long getContainerModelClassNameId() { if (_containerModelClassNameId != null) { return _containerModelClassNameId; } String containerModelClassName = StringPool.BLANK; TrashHandler trashHandler = getTrashHandler(); if (trashHandler != null) { containerModelClassName = trashHandler.getContainerModelClassName(getClassPK()); } _containerModelClassNameId = ParamUtil.getLong(_request, "containerModelClassNameId", PortalUtil.getClassNameId(containerModelClassName)); return _containerModelClassNameId; } public long getContainerModelId() { if (_containerModelId != null) { return _containerModelId; } _containerModelId = ParamUtil.getLong(_request, "containerModelId"); return _containerModelId; } public String getContainerModelName() { if (Validator.isNotNull(_containerModelName)) { return _containerModelName; } TrashHandler trashHandler = getTrashHandler(); if (trashHandler != null) { _containerModelName = trashHandler.getContainerModelName(); } return _containerModelName; } public List<ContainerModel> getContainerModels() throws PortalException { if (ListUtil.isNotEmpty(_containerModels)) { return _containerModels; } SearchContainer searchContainer = getSearchContainer(); TrashHandler trashHandler = getTrashHandler(); if ((searchContainer != null) && (trashHandler != null)) { _containerModels = trashHandler.getContainerModels(getClassPK(), getContainerModelId(), searchContainer.getStart(), searchContainer.getEnd()); } return _containerModels; } public int getContainerModelsCount() throws PortalException { if (_containerModelsCount != null) { return _containerModelsCount; } int containerModelsCount = 0; TrashHandler trashHandler = getTrashHandler(); if (trashHandler != null) { containerModelsCount = trashHandler.getContainerModelsCount(getClassPK(), getContainerModelId()); } _containerModelsCount = containerModelsCount; return _containerModelsCount; } public PortletURL getContainerURL() { String currentURL = (String) _request.getAttribute(WebKeys.CURRENT_URL); PortletURL containerURL = _liferayPortletResponse.createRenderURL(); containerURL.setParameter("mvcPath", "/view_container_model.jsp"); containerURL.setParameter("redirect", getRedirect()); containerURL.setParameter("backURL", currentURL); containerURL.setParameter("classNameId", String.valueOf(getClassNameId())); containerURL.setParameter("classPK", String.valueOf(getClassPK())); return containerURL; } public String getEventName() { if (Validator.isNotNull(_eventName)) { return _eventName; } _eventName = ParamUtil.getString(_request, "eventName", _liferayPortletResponse.getNamespace() + "selectContainer"); return _eventName; } public Object[] getMissingContainerMessageArguments() throws PortalException { if (Validator.isNotNull(_missingContainerMessageArguments)) { return _missingContainerMessageArguments; } ThemeDisplay themeDisplay = (ThemeDisplay) _request.getAttribute(WebKeys.THEME_DISPLAY); String trashRendererTitle = StringPool.BLANK; TrashRenderer trashRenderer = getTrashRenderer(); if (trashRenderer != null) { trashRendererTitle = trashRenderer.getTitle(themeDisplay.getLocale()); } _missingContainerMessageArguments = new Object[] { LanguageUtil.get(_request, getContainerModelName()), HtmlUtil.escape(trashRendererTitle) }; return _missingContainerMessageArguments; } public String getRedirect() { if (Validator.isNotNull(_redirect)) { return _redirect; } _redirect = ParamUtil.getString(_request, "redirect"); return _redirect; } public SearchContainer getSearchContainer() { if (_searchContainer != null) { return _searchContainer; } PortletURL containerURL = getContainerURL(); containerURL.setParameter("containerModelId", String.valueOf(getContainerModelId())); _searchContainer = new SearchContainer(_liferayPortletRequest, null, null, SearchContainer.DEFAULT_CUR_PARAM, SearchContainer.DEFAULT_DELTA, containerURL, null, null); return _searchContainer; } public TrashHandler getTrashHandler() { if (_trashHandler != null) { return _trashHandler; } _trashHandler = TrashHandlerRegistryUtil.getTrashHandler(getClassName()); return _trashHandler; } public TrashRenderer getTrashRenderer() throws PortalException { if (_trashRenderer != null) { return _trashRenderer; } TrashHandler trashHandler = getTrashHandler(); if (trashHandler != null) { _trashRenderer = trashHandler.getTrashRenderer(getClassPK()); } return _trashRenderer; } public boolean isShowBackIcon() throws PortalException { if (_showBackIcon != null) { return _showBackIcon; } TrashHandler containerTrashHandler = TrashHandlerRegistryUtil.getTrashHandler(getContainerModelClassName()); ContainerModel containerModel = null; if (getContainerModelId() > 0) { containerModel = containerTrashHandler.getContainerModel(getContainerModelId()); } boolean showBackIcon = false; if (containerModel != null) { showBackIcon = true; } _showBackIcon = showBackIcon; return _showBackIcon; } private String _backURL; private String _className; private Long _classNameId; private Long _classPK; private String _containerModelClassName; private Long _containerModelClassNameId; private Long _containerModelId; private String _containerModelName; private List<ContainerModel> _containerModels; private Integer _containerModelsCount; private String _eventName; private final LiferayPortletRequest _liferayPortletRequest; private final LiferayPortletResponse _liferayPortletResponse; private Object[] _missingContainerMessageArguments; private String _redirect; private final HttpServletRequest _request; private SearchContainer _searchContainer; private Boolean _showBackIcon; private TrashHandler _trashHandler; private TrashRenderer _trashRenderer; }