jease.cms.service.Relocator.java Source code

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Here is the source code for jease.cms.service.Relocator.java

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/*
Copyright (C) 2016 maik.jablonski@jease.org
    
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 3 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, see <http://www.gnu.org/licenses/>.
 */
package jease.cms.service;

import java.util.List;
import java.util.function.Predicate;

import jease.cmf.service.Nodes;
import jease.cms.domain.Content;
import jease.cms.domain.Content.PathChangeProcessor;
import jease.cms.domain.Trash;
import jfix.db4o.Database;

import org.apache.commons.lang3.ArrayUtils;

/**
 * Implements a PathChangeProcessor which automatically rewrites internal links
 * in content.
 */
public class Relocator implements PathChangeProcessor {

    public void process(String oldPath, String newPath) {
        if (!oldPath.equals(newPath) && ArrayUtils.isEmpty(Nodes.getByPath(newPath).getParents(Trash.class))) {
            final String target = "./~" + oldPath;
            final String replacement = "./~" + newPath;
            Database.write(new Runnable() {
                public void run() {
                    for (Content content : searchContent(target)) {
                        content.replace(target, replacement);
                        Database.save(content);
                    }
                }
            });
        }
    }

    private List<Content> searchContent(final String target) {
        return Database.query(Content.class, new Predicate<Content>() {
            public boolean test(Content obj) {
                return obj.getFulltext().indexOf(target) != -1;
            }
        });
    }
}