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Java example source code file (StringValueExp.java)

This example Java source code file (StringValueExp.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

badattributevalueexpexception, badbinaryopvalueexpexception, badstringoperationexception, deprecated, invalidapplicationexception, string, stringvalueexp, valueexp

The StringValueExp.java Java example source code

/*
 * Copyright (c) 1999, 2008, 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.
 */

package javax.management;



/**
 * Represents strings that are arguments to relational constraints.
 * A <CODE>StringValueExp may be used anywhere a ValueExp is required.
 *
 * @since 1.5
 */
public class StringValueExp implements ValueExp   {

    /* Serial version */
    private static final long serialVersionUID = -3256390509806284044L;

    /**
     * @serial The string literal
     */
    private String val;

    /**
     * Basic constructor.
     */
    public StringValueExp() {
    }

    /**
     * Creates a new <CODE>StringValueExp representing the
     * given string.
     *
     * @param val the string that will be the value of this expression
     */
    public StringValueExp(String val) {
        this.val = val;
    }

    /**
     * Returns the string represented by the
     * <CODE>StringValueExp instance.
     *
     * @return the string.
     */
    public String getValue()  {
        return val;
    }

    /**
     * Returns the string representing the object.
     */
    public String toString()  {
        return "'" + val.replace("'", "''") + "'";
    }


    /**
     * Sets the MBean server on which the query is to be performed.
     *
     * @param s The MBean server on which the query is to be performed.
     */
    /* There is no need for this method, because if a query is being
       evaluated a StringValueExp can only appear inside a QueryExp,
       and that QueryExp will itself have done setMBeanServer.  */
    @Deprecated
    public void setMBeanServer(MBeanServer s)  { }

    /**
     * Applies the ValueExp on a MBean.
     *
     * @param name The name of the MBean on which the ValueExp will be applied.
     *
     * @return  The <CODE>ValueExp.
     *
     * @exception BadStringOperationException
     * @exception BadBinaryOpValueExpException
     * @exception BadAttributeValueExpException
     * @exception InvalidApplicationException
     */
    public ValueExp apply(ObjectName name) throws BadStringOperationException, BadBinaryOpValueExpException,
        BadAttributeValueExpException, InvalidApplicationException  {
        return this;
    }
 }

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