org.ikasan.dashboard.ui.framework.group.VisibilityGroup.java Source code

Introduction

Here is the source code for org.ikasan.dashboard.ui.framework.group.VisibilityGroup.java

Source

/*
* $Id$
* $URL$
*
* ====================================================================
* Ikasan Enterprise Integration Platform
*
* Distributed under the Modified BSD License.
* Copyright notice: The copyright for this software and a full listing
* of individual contributors are as shown in the packaged copyright.txt
* file.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
*  - Redistributions of source code must retain the above copyright notice,
*    this list of conditions and the following disclaimer.
*
*  - Redistributions in binary form must reproduce the above copyright notice,
*    this list of conditions and the following disclaimer in the documentation
*    and/or other materials provided with the distribution.
*
*  - Neither the name of the ORGANIZATION nor the names of its contributors may
*    be used to endorse or promote products derived from this software without
*    specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
package org.ikasan.dashboard.ui.framework.group;

import java.util.ArrayList;
import java.util.HashMap;

import org.apache.log4j.Logger;
import org.ikasan.dashboard.ui.framework.constants.SecurityConstants;
import org.ikasan.dashboard.ui.framework.util.DashboardSessionValueConstants;
import org.ikasan.security.service.authentication.IkasanAuthentication;

import com.vaadin.server.VaadinService;
import com.vaadin.ui.Component;
import com.vaadin.ui.Table;

/**
 * @author Ikasan Development Team
 *
 */
public class VisibilityGroup {
    private static Logger logger = Logger.getLogger(VisibilityGroup.class);

    private HashMap<Component, String> components = new HashMap<Component, String>();
    private ArrayList<Table> refreshableTables = new ArrayList<Table>();

    /**
     * Method to set if the components are visible.
     * 
     * @param visible
     */
    public void setVisible() {
        final IkasanAuthentication authentication = (IkasanAuthentication) VaadinService.getCurrentRequest()
                .getWrappedSession().getAttribute(DashboardSessionValueConstants.USER);

        for (Component component : components.keySet()) {
            String policyName = this.components.get(component);

            if (authentication != null && (authentication.hasGrantedAuthority(SecurityConstants.ALL_AUTHORITY)
                    || authentication.hasGrantedAuthority(policyName))) {
                component.setVisible(true);
            } else {
                component.setVisible(false);
            }
        }

        for (Table table : refreshableTables) {
            table.refreshRowCache();
        }
    }

    /**
     * Method to set if the components are visible.
     * 
     * @param visible
     */
    public void setVisible(String linkedItemType, Long linkedItemId) {
        final IkasanAuthentication authentication = (IkasanAuthentication) VaadinService.getCurrentRequest()
                .getWrappedSession().getAttribute(DashboardSessionValueConstants.USER);

        for (Component component : components.keySet()) {
            String policyName = this.components.get(component);

            if (authentication != null
                    && (authentication.hasGrantedAuthority(SecurityConstants.ALL_AUTHORITY)
                            || authentication.hasGrantedAuthority(policyName))
                    || authentication.canAccessLinkedItem(linkedItemType, linkedItemId)) {
                component.setVisible(true);
            } else {
                component.setVisible(false);
            }
        }

        for (Table table : refreshableTables) {
            table.refreshRowCache();
        }
    }

    /**
     * Register a component with this group.
     * @param component
     */
    public void registerComponent(String policyName, Component component) {
        this.components.put(component, policyName);
    }

    /**
     * Register a table with this group.
     * @param table
     */
    public void registerRefreshableTable(Table table) {
        this.refreshableTables.add(table);
    }

    /**
     * @return the components
     */
    public HashMap<Component, String> getComponents() {
        return components;
    }

    /**
     * @param components the components to set
     */
    public void setComponents(HashMap<Component, String> components) {
        this.components = components;
    }
}