Java Integer Create toInternalName(String className)

Description

Converts a Java source-language class name into the internal form.

License

Open Source License

Parameter

Parameter	Description
className	the class name

Return

the internal name form of the class name

Declaration

public static String toInternalName(String className) 

Method Source Code

//package com.java2s;
/*/*from  w ww.  jav a2s  .  c  o  m*/
 * Copyright (c) 2012, 2014, 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.
 *
 * 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.
 */

public class Main {
    /**
     * Converts a Java source-language class name into the internal form.
     *
     * @param className the class name
     * @return the internal name form of the class name
     */
    public static String toInternalName(String className) {
        if (className.startsWith("[")) {
            /* Already in the correct array style. */
            return className.replace('.', '/');
        }

        StringBuilder result = new StringBuilder();
        String base = className;
        while (base.endsWith("[]")) {
            result.append("[");
            base = base.substring(0, base.length() - 2);
        }

        switch (base) {
        case "boolean":
            result.append("Z");
            break;
        case "byte":
            result.append("B");
            break;
        case "short":
            result.append("S");
            break;
        case "char":
            result.append("C");
            break;
        case "int":
            result.append("I");
            break;
        case "float":
            result.append("F");
            break;
        case "long":
            result.append("J");
            break;
        case "double":
            result.append("D");
            break;
        case "void":
            result.append("V");
            break;
        default:
            result.append("L").append(base.replace('.', '/')).append(";");
            break;
        }
        return result.toString();
    }
}

Related

1. toInternalClassName(String name)
2. toInternalDescription(String className)
3. toInternalForm(String internalForm)
4. toInternalName(String className)
5. toInternalName(String className)
6. toInternalName(String className)
7. toInternalName(String className)
8. toInternalName(String fullName)
9. toInternalString(String s)