mcconnell 2002/11/11 02:32:34 Added: meta/src/java/org/apache/excalibur/meta/model Entry.java Log: Initial commit of the Entry class. An entry is the declaration of a context entry within a ContextDirective. An entry may be used to construct an value based on declarative specification of parameters. Revision Changes Path 1.1 jakarta-avalon-excalibur/meta/src/java/org/apache/excalibur/meta/model/Entry.java Index: Entry.java =================================================================== /* ==================================================================== * The Apache Software License, Version 1.1 * * Copyright (c) 2002 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software * itself, if and wherever such third-party acknowledgments * normally appear. * * 4. The names "Jakarta", "Avalon", and "Apache Software Foundation" * must not be used to endorse or promote products derived from this * software without prior written permission. For written * permission, please contact [EMAIL PROTECTED] * * 5. Products derived from this software may not be called "Apache", * nor may "Apache" appear in their name, without prior written * permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ package org.apache.excalibur.meta.model; /** * A entry descriptor declares the context entry creation criteria for * a single context entry instance. * * <p><b>XML</b></p> * <p>A entry may container either (a) body content, or (b) a set of constructor * parameters to be applied as arguments to a constructor of the supplied classname.</p> * <pre> * <font color="gray"><context></font> * <entry key="<font color="darkred">location</font>"><font color="darkred">Paris</font></entry>; * <entry key="<font color="darkred">home</font>" class="<font color="darkred">java.io.File</font>"><font color="darkred">../home</font></entry>; * <entry key="<font color="darkred">special</font>" class="<font color="darkred">MyObjectCLass</font>"> * <parameter"><font color="darkred">Paris</font></parameter> * <parameter class="<font color="darkred">java.io.File</font>"><font color="darkred">../home</font></parameter> * </entry> * <font color="gray"></context></font> * </pre> * * @see Parameter * @see ContextDirective * @author <a href="mailto:mcconnell@;apache.org">Stephen McConnell</a> * @version $Revision: 1.1 $ $Date: 2002/11/11 10:32:34 $ */ public class Entry extends Parameter { /** * The entry key. */ private final String m_key; /** * Creation of a new entry directive. * @param key the entry key * @param classname the classname of the entry implementation * @param value a single constructor argument value */ public Entry( final String key, final String classname, final String value ) { super( classname, value ); if( null == key ) { throw new NullPointerException( "key" ); } m_key = key; } /** * Creation of a new entry directive. * @param key the entry key * @param classname the classname of the entry implementation * @param parameters implementation class constructor parameter directives */ public Entry( final String key, final String classname, final Parameter[] parameters ) { super( classname, parameters ); if( null == key ) { throw new NullPointerException( "key" ); } m_key = key; } /** * Return the context key. * @return the key */ public String getKey() { return m_key; } }
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