de.micromata.genome.gwiki.model.mpt.GWikiSessionMptIdSelector.java Source code

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Here is the source code for de.micromata.genome.gwiki.model.mpt.GWikiSessionMptIdSelector.java

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//
// Copyright (C) 2010-2016 Roger Rene Kommer & Micromata GmbH
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//  http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

package de.micromata.genome.gwiki.model.mpt;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang3.StringUtils;

import de.micromata.genome.gdbfs.FileSystem;
import de.micromata.genome.gdbfs.FsObject;
import de.micromata.genome.gdbfs.SubFileSystem;
import de.micromata.genome.gwiki.model.GWikiStorage;
import de.micromata.genome.gwiki.model.GWikiWeb;
import de.micromata.genome.gwiki.page.GWikiContext;
import de.micromata.genome.gwiki.web.GWikiServlet;

/**
 * MptSelector which stores current branch information in Session
 * 
 * @author Stefan Stuetzer (s.stuetzer@micromata.com)
 */
public class GWikiSessionMptIdSelector implements GWikiMptIdSelector {

    public static final String MPT_KEY = "mptkey";

    /*
     * (non-Javadoc)
     * 
     * @see de.micromata.genome.gwiki.model.mpt.GWikiMptSelector#getTenantId(de.micromata.genome.gwiki.web.GWikiServlet,
     * javax.servlet.http.HttpServletRequest)
     */
    public String getTenantId(GWikiServlet servlet, HttpServletRequest req) {
        String id = (String) req.getSession().getAttribute(MPT_KEY);
        return id;
    }

    public void setTenant(GWikiContext wikiContext, String tenantId) {
        if (StringUtils.isBlank(tenantId) == true) {
            wikiContext.removeSessionAttribute(MPT_KEY);
        } else {
            wikiContext.setSessionAttribute(MPT_KEY, tenantId);
        }
    }

    protected FileSystem getTenantMasterFileSystem(GWikiWeb rootWiki) {
        return rootWiki.getDaoContext().getBean("MptFileSystem", FileSystem.class);
    }

    public FileSystem getTenantFileSystem(GWikiWeb rootWiki, String tenantId) {
        FileSystem mptFs = getTenantMasterFileSystem(rootWiki);
        mptFs.mkdirs(tenantId);
        SubFileSystem mptFsSp = new SubFileSystem(mptFs, tenantId);
        return mptFsSp;

    }

    /*
     * (non-Javadoc)
     * 
     * @see de.micromata.genome.gwiki.model.mpt.GWikiMptIdSelector#getTenants(de.micromata.genome.gwiki.web.GWikiServlet)
     */
    public List<String> getTenants(GWikiWeb rootWiki) {
        FileSystem fs = getTenantMasterFileSystem(rootWiki);
        List<String> retl = new ArrayList<String>();
        for (FsObject fsl : fs.listFiles("", null, 'D', false)) {
            String n = fsl.getName();
            if (n.startsWith("/") == true) {
                n = n.substring(1);
            }
            retl.add(n);
        }
        return retl;
    }

    /*
     * (non-Javadoc)
     * 
     * @see de.micromata.genome.gwiki.model.mpt.GWikiMptIdSelector#idIsPartOfTenant(de.micromata.genome.gwiki.web.GWikiServlet,
     * java.lang.String)
     */
    public String idIsPartOfTenant(GWikiWeb rootWiki, String pageId) {
        List<String> tnl = getTenants(rootWiki);
        for (String tn : tnl) {
            FileSystem fs = getTenantFileSystem(rootWiki, tn);
            if (fs.exists(pageId + GWikiStorage.SETTINGS_SUFFIX) == true) {
                return tn;
            }
        }
        return null;
    }

}