/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * particular file as subject to the "Classpath" exception as provided

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 */

/*

 * Licensed Materials - Property of IBM

 * RMI-IIOP v1.0

 * Copyright IBM Corp. 1998 1999  All Rights Reserved

 *

 */

package sun.rmi.rmic.iiop;

import java.io.File;

import sun.tools.java.Identifier;

import com.sun.corba.se.impl.util.PackagePrefixChecker;

/**

 * Util provides static utility methods used by other rmic classes.

 * @author Bryan Atsatt

 */

public final class Util implements sun.rmi.rmic.Constants {

    public static String packagePrefix(){ return PackagePrefixChecker.packagePrefix();}

    /**

     * Return the directory that should be used for output for a given

     * class.

     * @param theClass The fully qualified name of the class.

     * @param rootDir The directory to use as the root of the

     * package heirarchy.  May be null, in which case the current

     * working directory is used as the root.

     */

    private static File getOutputDirectoryFor(Identifier theClass,

                                             File rootDir,

                                             BatchEnvironment env,

                                             boolean idl ) {

        File outputDir = null;

        String className = theClass.getFlatName().toString().replace('.', SIGC_INNERCLASS);

        String qualifiedClassName = className;

        String packagePath = null;

        String packageName = theClass.getQualifier().toString();

        //Shift package names for stubs generated for interfaces.

        /*if(type.isInterface())*/

        packageName = correctPackageName(packageName, idl, env.getStandardPackage());

        //Done.

        if (packageName.length() > 0) {

            qualifiedClassName = packageName + "." + className;

            packagePath = packageName.replace('.', File.separatorChar);

        }

        // Do we have a root directory?

        if (rootDir != null) {

            // Yes, do we have a package name?

            if (packagePath != null) {

                // Yes, so use it as the root. Open the directory...

                outputDir = new File(rootDir, packagePath);

                // Make sure the directory exists...

                ensureDirectory(outputDir,env);

            } else {

                // Default package, so use root as output dir...

                outputDir = rootDir;

            }

        } else {

            // No root directory. Get the current working directory...

            String workingDirPath = System.getProperty("user.dir");

            File workingDir = new File(workingDirPath);

            // Do we have a package name?

            if (packagePath == null) {

                // No, so use working directory...

                outputDir = workingDir;

            } else {

                // Yes, so use working directory as the root...

                outputDir = new File(workingDir, packagePath);

                // Make sure the directory exists...

                ensureDirectory(outputDir,env);

            }

        }

        // Finally, return the directory...

        return outputDir;

    }

    public static File getOutputDirectoryForIDL(Identifier theClass,

                                             File rootDir,

                                             BatchEnvironment env) {

        return getOutputDirectoryFor(theClass, rootDir, env, true);

    }

    public static File getOutputDirectoryForStub(Identifier theClass,

                                             File rootDir,

                                             BatchEnvironment env) {

        return getOutputDirectoryFor(theClass, rootDir, env, false);

    }

    private static void ensureDirectory (File dir, BatchEnvironment env) {

        if (!dir.exists()) {

            dir.mkdirs();

            if (!dir.exists()) {

                env.error(0,"rmic.cannot.create.dir",dir.getAbsolutePath());

                throw new InternalError();

            }

        }

    }

    public static String correctPackageName(

            String p, boolean idl, boolean standardPackage){

        if (idl){

            return p;

        } else {

            if (standardPackage) {

                return p;

            } else {

              return PackagePrefixChecker.correctPackageName(p);

            }

        }

    }

    public static boolean isOffendingPackage(String p){

        return PackagePrefixChecker.isOffendingPackage(p);

    }

    public static boolean hasOffendingPrefix(String p){

        return PackagePrefixChecker.hasOffendingPrefix(p);

    }

}