com.jaeksoft.searchlib.replication.ReplicationMerge.java Source code

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Here is the source code for com.jaeksoft.searchlib.replication.ReplicationMerge.java

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/**   
 * License Agreement for OpenSearchServer
 *
 * Copyright (C) 2014-2015 Emmanuel Keller / Jaeksoft
 * 
 * http://www.open-search-server.com
 * 
 * This file is part of OpenSearchServer.
 *
 * OpenSearchServer 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.
 *
 * OpenSearchServer 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 OpenSearchServer. 
 *  If not, see <http://www.gnu.org/licenses/>.
 **/

package com.jaeksoft.searchlib.replication;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;

import com.jaeksoft.searchlib.SearchLibException;
import com.jaeksoft.searchlib.util.RecursiveDirectoryBrowser;

public class ReplicationMerge implements RecursiveDirectoryBrowser.CallBack {

    private final int prefixSize;
    private final File destRoot;

    public ReplicationMerge(File srcRoot, File destRoot) throws SearchLibException {
        this.prefixSize = srcRoot.getAbsolutePath().length();
        this.destRoot = destRoot;
        new RecursiveDirectoryBrowser(srcRoot, this);
    }

    @Override
    public void file(File file) throws SearchLibException {
        File dest = new File(destRoot, file.getAbsolutePath().substring(prefixSize));
        if (dest.exists()) {
            if (!dest.delete())
                throw new SearchLibException("Unable to delete the file: " + dest.getAbsolutePath());
        } else {
            File parent = dest.getParentFile();
            if (!parent.exists())
                if (!parent.mkdirs())
                    throw new SearchLibException("Unable to create the directory: " + parent.getAbsolutePath());
        }
        if (!file.isFile())
            throw new SearchLibException("Unsupported file type: " + file.getAbsolutePath());
        try {
            FileUtils.moveFile(file, dest);
        } catch (IOException e) {
            throw new SearchLibException("File move failed on " + file.getAbsolutePath());
        }
    }
}