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Java example source code file (OutputStream.java)

This example Java source code file (OutputStream.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

allow_subclass_prop, boolean, outputstream, override, privilegedaction, security, securitymanager, serializablepermission, string, void

The OutputStream.java Java example source code

/*
 * Copyright (c) 1998, 2013, 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 org.omg.CORBA_2_3.portable;

import java.io.SerializablePermission;
import java.security.AccessController;
import java.security.PrivilegedAction;

/**
 * OutputStream provides interface for writing of all of the mapped IDL type
 * to the stream. It extends org.omg.CORBA.portable.OutputStream, and defines
 * new methods defined by CORBA 2.3.
 *
 * @see org.omg.CORBA.portable.OutputStream
 * @author  OMG
 * @since   JDK1.2
 */

public abstract class OutputStream extends org.omg.CORBA.portable.OutputStream {

    private static final String ALLOW_SUBCLASS_PROP = "jdk.corba.allowOutputStreamSubclass";
    private static final boolean allowSubclass = AccessController.doPrivileged(
        new PrivilegedAction<Boolean>() {
            @Override
            public Boolean run() {
            String prop = System.getProperty(ALLOW_SUBCLASS_PROP);
                return prop == null ? false :
                           (prop.equalsIgnoreCase("false") ? false : true);
            }
        });

    private static Void checkPermission() {
        SecurityManager sm = System.getSecurityManager();
        if (sm != null) {
            if (!allowSubclass)
                sm.checkPermission(new
                    SerializablePermission("enableSubclassImplementation"));
        }
        return null;
    }
    private OutputStream(Void ignore) { }

    /**
     * Create a new instance of this class.
     *
     * throw SecurityException if SecurityManager is installed and
     * enableSubclassImplementation SerializablePermission
     * is not granted or jdk.corba.allowOutputStreamSubclass system
     * property is either not set or is set to 'false'
     */
    public OutputStream() {
        this(checkPermission());
    }

    /**
     * Marshals a value type to the output stream.
     * @param value is the acutal value to write
     */
    public void write_value(java.io.Serializable value) {
        throw new org.omg.CORBA.NO_IMPLEMENT();
    }

    /**
     * Marshals a value type to the output stream.
     * @param value is the acutal value to write
     * @param clz is the declared type of the value to be marshaled
     */
    public void write_value(java.io.Serializable value, java.lang.Class clz) {
        throw new org.omg.CORBA.NO_IMPLEMENT();
    }

    /**
     * Marshals a value type to the output stream.
     * @param value is the acutal value to write
     * @param repository_id identifies the type of the value type to
     * be marshaled
     */
    public void write_value(java.io.Serializable value, String repository_id) {
        throw new org.omg.CORBA.NO_IMPLEMENT();
    }

    /**
     * Marshals a value type to the output stream.
     * @param value is the acutal value to write
     * @param factory is the instance of the helper to be used for marshaling
     * the boxed value
     */
    public void write_value(java.io.Serializable value, org.omg.CORBA.portable.BoxedValueHelper factory) {
        throw new org.omg.CORBA.NO_IMPLEMENT();
    }

    /**
     * Marshals a value object or a stub object.
     * @param obj the actual value object to marshal or the stub to be marshalled
     */
    public void write_abstract_interface(java.lang.Object obj) {
        throw new org.omg.CORBA.NO_IMPLEMENT();
    }

}

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