/*
 * @(#)DirectoryManager.java	1.5 98/04/28
 *
 * Copyright 1998 by Sun Microsystems, Inc.,
 * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
 * All rights reserved.
 *
 * This software is the confidential and proprietary information
 * of Sun Microsystems, Inc. ("Confidential Information").  You
 * shall not disclose such Confidential Information and shall use
 * it only in accordance with the terms of the license agreement
 * you entered into with Sun.
 */

package com.sun.tools.doclets;

import com.sun.javadoc.*;
import java.io.*;
import java.lang.*;


/** 
 * Handle the directory creations and the path string generations.
 *
 * @since JDK1.2
 * @author Atul M Dambalkar
 */
public class DirectoryManager {
  
    public static final String fileseparator = "/";

    public static final String pathseparator = File.separator;

    public static String createPathString(PackageDoc pd) {
        if (pd == null) {
            return "./";
        }
        return getPath(pd.name());
    }

    public static String createPathString(ClassDoc cd) {
        if (cd == null) {
            return "./";
        }
        return getPath(cd.containingPackage().name());
    }

    public static String getDirectoryPath(PackageDoc pd) {
        if (pd == null) {
            return "";
        }
        String name = pd.name();
        StringBuffer pathstr = new StringBuffer();
        for (int i = 0; i < name.length(); i++) {
            char ch = name.charAt(i);
            if (ch == '.') {
                pathstr.append(pathseparator);
            } else {
                pathstr.append(ch);
            }
        }
        return pathstr.toString();
    }

    public static String getPath(String name) {
        if (name == null || name.length() == 0) {
            return "";
        }
        StringBuffer pathstr = new StringBuffer();
        for (int i = 0; i < name.length(); i++) {
            char ch = name.charAt(i);
            if (ch == '.') {
                pathstr.append(fileseparator);
            } else {
                pathstr.append(ch);
            }
        }
        return pathstr.toString();
    }

    public static String getRelativePath(String from, String to) {
        StringBuffer pathstr = new StringBuffer();
        pathstr.append(getRelativePath(from));
        pathstr.append(getPath(to));
        pathstr.append(fileseparator);
        return pathstr.toString();
    }

    public static String getRelativePath(String from) {
        if (from == null || from.length() == 0) {
            return "";
        }
        StringBuffer pathstr = new StringBuffer();
        for (int i = 0; i < from.length(); i++) {
            char ch = from.charAt(i);
            if (ch == '.') {
                pathstr.append(".." + fileseparator);
            }     
        }
        pathstr.append(".." + fileseparator);
        return pathstr.toString();
    }

    public static void createDirectory(String path) {
        if (path == null || path.length() == 0) {
            return;
        }
        File dir = new File(path);
        try {
            if (dir.exists()) {
                return;
            } else {
                if (dir.mkdirs()) {
                    return;
                } else {
                    HtmlDocWriter.configuration.message.error(
                                   "doclet.Unable_to_create_directory_0", path);
                    throw new DocletAbortException();
                }
            }
        } catch (SecurityException exc) {
            exc.printStackTrace();
            System.exit(1);
        } catch (DocletAbortException exc) {
            exc.printStackTrace();
            System.exit(1);
        } 
    }
}