/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2008 Sun Microsystems Inc. All Rights Reserved
 *
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the License). You may not use this file except in
 * compliance with the License.
 *
 * You can obtain a copy of the License at
 * https://opensso.dev.java.net/public/CDDLv1.0.html or
 * opensso/legal/CDDLv1.0.txt
 * See the License for the specific language governing
 * permission and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * Header Notice in each file and include the License file
 * at opensso/legal/CDDLv1.0.txt.
 * If applicable, add the following below the CDDL Header,
 * with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 *
 * $Id: LDIFTemplates.java,v 1.5 2009/10/27 05:33:39 hengming Exp $
 *
 * Portions Copyrighted 2011-2015 ForgeRock AS.
 */

package com.sun.identity.setup;

import static org.forgerock.openam.utils.IOUtils.writeToFile;

import com.sun.identity.shared.debug.Debug;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import javax.servlet.ServletContext;

/**
 * This utility class manages LDIF template files.
 */
public class LDIFTemplates {

    private static final List<String> TEMPLATES = new ArrayList<String>();
    private static final String PATH_PREFIX = "/WEB-INF/template/ldif/";

    static {
        TEMPLATES.add("ad/");
        TEMPLATES.add("adam/");
        TEMPLATES.add("opendj/");
        TEMPLATES.add("odsee/");
        TEMPLATES.add("tivoli/");
        TEMPLATES.add("sfha/");
    }

    private LDIFTemplates() {
    }

    private static void copyRecursively(ServletContext servletCtx, String from, String to) {
        Set<String> resourcePaths = servletCtx.getResourcePaths(from);
        if (resourcePaths != null) {
            for (String resourcePath : resourcePaths) {
                if (resourcePath.endsWith("/")) {
                    //this is a folder, let's copy it recursively
                    copyRecursively(servletCtx, resourcePath, to);
                } else {
                    try {
                        String content = AMSetupUtils.readFile(servletCtx, resourcePath);
                        String newPath = to + "/ldif/" + resourcePath.substring(PATH_PREFIX.length());
                        File file = new File(newPath);
                        file.getParentFile().mkdirs();
                        writeToFile(newPath, content);
                    } catch (IOException ioe) {
                        Debug.getInstance(SetupConstants.DEBUG_NAME).error("LDIFTemplates.copy", ioe);
                    }
                }
            }
        }
    }

    /**
     * Copies the schema files recursively from the WAR file to the OpenAM installation directory.
     *
     * @param dir The directory where the files needs to be copied to.
     * @param servletCtx The servlet context.
     */
    public static void copy(String dir, ServletContext servletCtx) {
        for (String schemaDir : TEMPLATES) {
            copyRecursively(servletCtx, PATH_PREFIX + schemaDir, dir);
        }
    }
}