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Java example source code file (Util.java)

This example Java source code file (Util.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

batchenvironment, file, internalerror, sigc_innerclass, string, util

The Util.java Java example source code

/*
 * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
 * 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
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * 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);
    }

}

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