Java tutorial
/* * Copyright (c) 1999, 2015, 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</CODE> may be used anywhere a <CODE>ValueExp</CODE> 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</CODE> 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</CODE> 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</CODE>. * * @throws BadStringOperationException {@inheritDoc} * @throws BadBinaryOpValueExpException {@inheritDoc} * @throws BadAttributeValueExpException {@inheritDoc} * @throws InvalidApplicationException {@inheritDoc} */ @Override public ValueExp apply(ObjectName name) throws BadStringOperationException, BadBinaryOpValueExpException, BadAttributeValueExpException, InvalidApplicationException { return this; } }