com.silverpeas.wiki.WikiInstanciator.java Source code

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Here is the source code for com.silverpeas.wiki.WikiInstanciator.java

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/**
 * Copyright (C) 2000 - 2013 Silverpeas
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * As a special exception to the terms and conditions of version 3.0 of
 * the GPL, you may redistribute this Program in connection with Free/Libre
 * Open Source Software ("FLOSS") applications as described in Silverpeas's
 * FLOSS exception.  You should have recieved a copy of the text describing
 * the FLOSS exception, and it is also available here:
 * "http://www.silverpeas.org/docs/core/legal/floss_exception.html"
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.silverpeas.wiki;

import com.silverpeas.admin.components.ComponentsInstanciatorIntf;
import com.silverpeas.admin.components.InstanciationException;
import com.silverpeas.util.ConfigurationClassLoader;
import com.silverpeas.util.FileUtil;
import com.silverpeas.wiki.control.WikiException;
import com.silverpeas.wiki.control.WikiPageDAO;
import com.silverpeas.wiki.control.model.PageDetail;
import com.stratelia.silverpeas.silvertrace.SilverTrace;
import com.stratelia.webactiv.util.FileRepositoryManager;
import org.apache.commons.io.FileUtils;
import org.silverpeas.attachment.SimpleDocumentInstanciator;

import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.sql.Connection;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class WikiInstanciator implements ComponentsInstanciatorIntf {

    private WikiPageDAO wikiDAO;
    private ClassLoader loader;

    public WikiInstanciator() {
        this(new WikiPageDAO());
    }

    public WikiInstanciator(WikiPageDAO dao) {
        wikiDAO = dao;
        loader = new ConfigurationClassLoader(WikiInstanciator.class.getClassLoader());
    }

    @Override
    public void create(Connection con, String spaceId, String componentId, String userId)
            throws InstanciationException {
        SilverTrace.info("wiki", "WikiInstanciator.create()", "root.MSG_GEN_PARAM_VALUE",
                "spaceId = " + spaceId + " , componentId = " + componentId);
        try {
            File directory = getComponentDirectory(componentId);
            directory.mkdirs();
            createPages(directory, componentId);
        } catch (WikiException e) {
            SilverTrace.error("wiki", "WikiInstanciator.create()", "root.EX_RECORD_INSERT_FAILED",
                    "componentId " + componentId, e);
            throw new InstanciationException("root.EX_RECORD_INSERT_FAILED");
        } catch (IOException e) {
            SilverTrace.error("wiki", "WikiInstanciator.create()", "root.EX_RECORD_INSERT_FAILED",
                    "componentId " + componentId, e);
            throw new InstanciationException("root.EX_RECORD_INSERT_FAILED");
        }
    }

    @Override
    public void delete(Connection con, String spaceId, String componentId, String userId)
            throws InstanciationException {
        SilverTrace.info("wiki", "WikiInstanciator.delete()", "root.MSG_GEN_PARAM_VALUE",
                "spaceId = " + spaceId + " , componentId = " + componentId);
        try {
            wikiDAO.deleteAllPages(componentId);
        } catch (Exception e) {
            SilverTrace.info("wiki", "WikiInstanciator.delete()", "root.EX_RECORD_DELETE_FAILED",
                    "componentId " + componentId, e);
        }
        new SimpleDocumentInstanciator().delete(componentId);
        try {
            FileUtils.forceDelete(getComponentDirectory(componentId));
        } catch (Exception e) {
            SilverTrace.info("wiki", "WikiInstanciator.delete()", "root.EX_RECORD_DELETE_FAILED",
                    "componentId " + componentId, e);
        }
    }

    protected File getComponentDirectory(String componentId) {
        return new File(FileRepositoryManager.getAbsolutePath(componentId));
    }

    protected void createPages(File directory, String componentId) throws IOException, WikiException {
        ZipInputStream zipFile = new ZipInputStream(loader.getResourceAsStream("pages.zip"));
        ZipEntry page = zipFile.getNextEntry();
        while (page != null) {
            String pageName = page.getName();
            File newPage = new File(directory, pageName);
            if (page.isDirectory()) {
                newPage.mkdirs();
            } else {
                FileUtil.writeFile(newPage, new InputStreamReader(zipFile, "UTF-8"));
                PageDetail newPageDetail = new PageDetail();
                newPageDetail.setInstanceId(componentId);
                newPageDetail.setPageName(pageName.substring(0, pageName.lastIndexOf('.')));
                wikiDAO.createPage(newPageDetail);
                zipFile.closeEntry();
                page = zipFile.getNextEntry();
            }
        }
    }
}