source: trunk/gli/src/org/greenstone/gatherer/remote/ZipCollectionConfigurations.java@ 13392

package org.greenstone.gatherer.remote;

import java.io.*;
import java.util.zip.*;


/**
 */
public class ZipCollectionConfigurations
{
    static public void main(String[] args)
    {
    if (args.length != 4) {
        System.err.println("Usage: ZipCollectionConfigurations <zip-file> <collect-directory-path> <user-name> <user-groups>");
        return;
    }

    String zip_file_path = args[0];
    String collect_directory_path = args[1];
    String user_name = args[2];
    String user_groups = args[3];

    if (!collect_directory_path.endsWith(File.separator)) {
        collect_directory_path += File.separator;
    }
    File collect_directory = new File(collect_directory_path);

    try {
        ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(zip_file_path));
        ZipTools.ZipFilter collection_etc_zip_filter = new CollectionEtcZipFilter();
        ZipTools.ZipFilter collection_metadata_zip_filter = new CollectionMetadataZipFilter();

        // Add the etc and metadata directories from each of the collections the user has access to
        File[] collection_directories = collect_directory.listFiles();
        for (int i = 0; i < collection_directories.length; i++) {
        if (collection_directories[i].isDirectory()) {
            String collection_name = collection_directories[i].getName();
            if (checkAccess(collection_name, user_name, user_groups)) {
            String etc_relative_path = collection_directories[i].getName() + File.separator + "etc";
            ZipTools.addFileToZip(zos, collect_directory_path, etc_relative_path, collection_etc_zip_filter);

            // The "metadata" directory may not exist (non-GLI collections)
            String metadata_relative_path = collection_directories[i].getName() + File.separator + "metadata";
            File metadata_directory = new File(collect_directory_path + File.separator + metadata_relative_path);
            if (metadata_directory.exists()) {
                ZipTools.addFileToZip(zos, collect_directory_path, metadata_relative_path, collection_metadata_zip_filter);
            }
            }
        }
        }

        zos.putNextEntry(new ZipEntry(".gli"));
        zos.close();
    }
    catch (Exception exception) {
        exception.printStackTrace();
    }
    }


    static private boolean checkAccess(String collection_name, String user_name, String user_groups)
    {
    String[] user_groups_array = user_groups.split(",");
    for (int i = 0; i < user_groups_array.length; i++) {
        if (user_groups_array[i].equals("all-collections-editor")) {
        return true;
        }
        if (user_groups_array[i].equals("personal-collections-editor") && collection_name.startsWith(user_name + "-")) {
        return true;
        }
        if (user_groups_array[i].equals(collection_name + "-collection-editor")) {
        return true;
        }
    }

    return false;
    }


    static private class CollectionEtcZipFilter
    extends ZipTools.NullZipFilter
    {
    public boolean shouldIncludeFile(String relative_file_path)
    {
        // Only collect.cfg files are included
        return (relative_file_path.equals("collect.cfg") || relative_file_path.endsWith(File.separator + "collect.cfg"));
    }
    }


    static private class CollectionMetadataZipFilter
    extends ZipTools.NullZipFilter
    {
    public boolean shouldIncludeFileContent(String relative_file_path)
    {
        // We don't include content for any of the metadata set files
        return false;
    }
    }
}