resourcepermissiondelegationform.java

这是linux下ssl vpn的实现程序

/*
 *  SSL-Explorer
 *
 *  Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2 of
 *  the License, or (at your option) any later version.
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
			
package com.sslexplorer.policyframework.wizards.forms;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionMapping;

import com.sslexplorer.core.CoreServlet;
import com.sslexplorer.input.MultiSelectDataSource;
import com.sslexplorer.policyframework.ResourcePermissionDelegatedPoliciesDatasource;
import com.sslexplorer.policyframework.forms.AbstractWizardPolicySelectionForm;
import com.sslexplorer.wizard.AbstractWizardSequence;

public class ResourcePermissionDelegationForm extends AbstractWizardPolicySelectionForm {
    // Statics for sequence attributes
    public final static String ATTR_DELEGATED_POLICIES = "delegatedPolicies";
    public final static String ATTR_ONWARD_DELEGATION = "onwardDelegation";
    
    //
    private boolean onwardDelegation;

    public ResourcePermissionDelegationForm() {
        super(true, true, "/WEB-INF/jsp/content/policyframework/resourcePermissionDelegation.jspf", 
            "", true, false, "resourcePermissionDelegation", "policyframework", "resourcePermissionWizard.resourceDelegation", 4);
    }

    protected String getAttributeKey() {
        return ATTR_DELEGATED_POLICIES;
    }

    public void apply(AbstractWizardSequence sequence) throws Exception {
        super.apply(sequence);
        sequence.putAttribute(ATTR_ONWARD_DELEGATION, Boolean.valueOf(getOnwardDelegation()));
    }

    public void init(AbstractWizardSequence wizardSequence, HttpServletRequest request) throws Exception {
        super.init(wizardSequence, request);
        onwardDelegation = Boolean.TRUE.equals(wizardSequence.getAttribute(ATTR_ONWARD_DELEGATION, null));
    }
    
    public boolean getOnwardDelegation() {
        return onwardDelegation;
    }

    public void setOnwardDelegation(boolean onwardDelegation) {
        this.onwardDelegation = onwardDelegation;
    }

    public ActionErrors validate(ActionMapping mapping, HttpServletRequest request) {
        return null;
    }

    public MultiSelectDataSource createDatasource(ActionMapping mapping, HttpServletRequest request) {
        try {
            int parent = ((Integer) getWizardSequence(request).getAttribute(ResourcePermissionDetailsForm.ATTR_PARENT_RESOURCE_PERMISSION, null)).intValue(); 
            return new ResourcePermissionDelegatedPoliciesDatasource(parent == 0 ? null : CoreServlet.getServlet().getPolicyDatabase().getResourcePermission(
                parent));
        } catch (Exception e) {
            throw new Error("Failed to create datasource for list of available policies.", e);
        }
    }
}