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/** * This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. * If a copy of the MPL was not distributed with this file, You can obtain one at * http://mozilla.org/MPL/2.0/. * * This Source Code Form is also subject to the terms of the Health-Related Additional * Disclaimer of Warranty and Limitation of Liability available at * http://www.carewebframework.org/licensing/disclaimer. */ package org.carewebframework.shell.layout; import java.util.Collections; import java.util.List; import org.apache.commons.lang.StringUtils; import org.carewebframework.api.property.IPropertyService; /** * Default layout service implementation using property service for persistence. */ public class LayoutService implements ILayoutService { private final IPropertyService propertyService; public LayoutService(IPropertyService propertyService) { this.propertyService = propertyService; } /** * Validates a layout name. * * @param name Layout name to validate. * @return True if the name is valid. */ @Override public boolean validateName(String name) { return name != null && !name.isEmpty() && StringUtils.isAlphanumericSpace(name.replace('_', ' ')); } /** * Returns true if the specified layout exists. * * @param layout The layout identifier. * @return True if layout exists. */ @Override public boolean layoutExists(LayoutIdentifier layout) { return getLayouts(layout.shared).contains(layout.name); } /** * Saves a layout with the specified name and content. * * @param layout The layout identifier. * @param content The layout content. */ @Override public void saveLayout(LayoutIdentifier layout, String content) { propertyService.saveValue(getPropertyName(layout.shared), layout.name, layout.shared, content); } /** * Rename a layout. * * @param layout The original layout identifier. * @param newName The new layout name. */ @Override public void renameLayout(LayoutIdentifier layout, String newName) { String text = getLayoutContent(layout); saveLayout(new LayoutIdentifier(newName, layout.shared), text); deleteLayout(layout); } /** * Clone a layout. * * @param layout The original layout identifier. * @param layout2 The new layout identifier. */ @Override public void cloneLayout(LayoutIdentifier layout, LayoutIdentifier layout2) { String text = getLayoutContent(layout); saveLayout(layout2, text); } /** * Delete a layout. * * @param layout The layout identifier. */ @Override public void deleteLayout(LayoutIdentifier layout) { saveLayout(layout, null); } /** * Returns the layout content. * * @param layout The layout identifier. * @return The layout content. */ @Override public String getLayoutContent(LayoutIdentifier layout) { return propertyService.getValue(getPropertyName(layout.shared), layout.name); } /** * Load the layout associated with the specified application id. * * @param appId An application id. * @return The layout content. */ @Override public String getLayoutContentByAppId(String appId) { String value = propertyService.getValue(LayoutConstants.PROPERTY_LAYOUT_ASSOCIATION, appId); return value == null ? null : getLayoutContent(new LayoutIdentifier(value, true)); } /** * Returns a list of saved layouts. * * @param shared If true, return shared layouts; otherwise, return personal layouts. * @return List of saved layouts. */ @Override public List<String> getLayouts(boolean shared) { List<String> layouts = propertyService.getInstances(getPropertyName(shared), shared); Collections.sort(layouts, String.CASE_INSENSITIVE_ORDER); return layouts; } /** * Returns the name of the property to use. * * @param shared Shared or personal layout. * @return Name of property for storing layouts. */ private String getPropertyName(boolean shared) { return shared ? LayoutConstants.PROPERTY_LAYOUT_SHARED : LayoutConstants.PROPERTY_LAYOUT_PRIVATE; } }