package com.dbxml.labrador.util;
/*
* The dbXML Labrador Software License, Version 1.0
*
*
* Copyright (c) 2003 The dbXML Group, L.L.C. 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
* dbXML Group, L.L.C. (http://www.dbxml.com/)."
* Alternately, this acknowledgment may appear in the software
* itself, if and wherever such third-party acknowledgments normally
* appear.
*
* 4. The names "Labrador" and "dbXML Group" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* info@dbxml.com
*
* 5. Products derived from this software may not be called "Labrador",
* nor may "Labrador" appear in their name, without prior written
* permission of The dbXML Group, L.L.C..
*
* 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 DBXML GROUP, L.L.C. 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.
* ====================================================================
*
* $Id: BaseInstance.java,v 1.3 2003/10/29 20:11:16 bradford Exp $
*/
import java.util.HashMap;
import java.util.Map;
import com.dbxml.labrador.Instance;
import com.dbxml.labrador.exceptions.RequestException;
/**
* BaseInstance provides some of the basic functionality of an Instance.
* This primarily includes handling the setting of arguments and a
* method name.
*/
public abstract class BaseInstance implements Instance {
private static final Object[] EmptyArgs = new Object[0];
private String methodName;
private Object[] args;
private Map props;
public Object getProperty(String name) throws RequestException {
if ( props != null )
return props.get(name);
else
return null;
}
protected void setProperty(String name, Object value) {
if ( props == null )
props = new HashMap();
props.put(name, value);
}
public void setMethodName(String methodName) throws RequestException {
this.methodName = methodName;
}
protected String getMethodName() {
return methodName;
}
public void setParameter(int idx, Object value) throws RequestException {
try {
if ( args == null )
args = new Object[idx + 1];
else if ( args.length < idx + 1 ) {
Object[] newArgs = new Object[idx + 1];
System.arraycopy(args, 0, newArgs, 0, args.length);
args = newArgs;
}
args[idx] = value;
}
catch ( Exception e ) {
throw new RequestException("Can't set parameter");
}
}
protected Object[] getParameters() {
if ( args != null )
return args;
else
return EmptyArgs;
}
public void close() {
}
}