/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 1999 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 "Xalan" 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 apache@apache.org.
*
* 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 and was
* originally based on software copyright (c) 1999, Lotus
* Development Corporation., http://www.lotus.com. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package servlet;
import java.net.MalformedURLException;
import javax.servlet.*;
import javax.servlet.http.*;
/*****************************************************************************************************
*
* ApplyXSLTProperties contains operational parameters for ApplyXSLT based
* on program defaults and configuration.
* <p>This class is also used to return values for request-time parameters.</p>
*
* @author Spencer Shepard (sshepard@us.ibm.com)
* @author R. Adam King (rak@us.ibm.com)
* @author Tom Rowe (trowe@us.ibm.com)
*
*****************************************************************************************************/
public class ApplyXSLTProperties {
/**
* Program default for parameter "URL"
*/
private final String DEFAULT_URL;
/**
* Program default for parameter "xslURL"
*/
private final String DEFAULT_xslURL;
/**
* Program default for parameter "debug"
*/
private final boolean DEFAULT_debug;
/**
* Program default for parameter "noConflictWarnings"
*/
private final boolean DEFAULT_noCW;
/**
* Constructor to use program defaults.
*/
public ApplyXSLTProperties()
{
DEFAULT_URL = null;
DEFAULT_xslURL = null;
DEFAULT_debug = false;
DEFAULT_noCW = false;
}
/**
* Constructor to use to override program defaults.
* @param config Servlet configuration
*/
public ApplyXSLTProperties(ServletConfig config)
{
String xm = config.getInitParameter("URL"),
xu = config.getInitParameter("xslURL"),
db = config.getInitParameter("debug"),
cw = config.getInitParameter("noConflictWarnings");
if (xm != null) DEFAULT_URL = xm;
else DEFAULT_URL = null;
if (xu != null) DEFAULT_xslURL = xu;
else DEFAULT_xslURL = null;
if (db != null) DEFAULT_debug = new Boolean(db).booleanValue();
else DEFAULT_debug = false;
if (cw != null) DEFAULT_noCW = new Boolean(cw).booleanValue();
else DEFAULT_noCW = false;
}
/**
* Given a parameter name, returns the HTTP request's String value;
* if not present in request, returns default String value.
* @param request Request to check for default override
* @param param Name of the parameter
* @return String value of named parameter
*/
public String getRequestParmString(HttpServletRequest request, String param)
{
if (request != null) {
String[] paramVals = request.getParameterValues(param);
if (paramVals != null)
return paramVals[0];
}
return null;
}
/**
* Returns the current setting for "URL".
* @param request Request to check for parameter value
* @return String value for "URL"
* @exception MalformedURLException Will not be thrown
*/
public String getXMLurl(HttpServletRequest request)
throws MalformedURLException
{
String temp = getRequestParmString(request, "URL");
if (temp != null)
return temp;
return DEFAULT_URL;
}
/**
* Returns the current setting for "xslURL".
* @param request Request to check for parameter value
* @return String value for "xslURL"
* @exception MalformedURLException Will not be thrown
*/
public String getXSLurl(HttpServletRequest request)
throws MalformedURLException
{
String temp = getRequestParmString(request, "xslURL");
if (temp != null)
return temp;
return DEFAULT_xslURL;
}
/**
* Returns the current setting for "debug".
* @param request Request to check for parameter value
* @return Boolean value for "debug"
*/
public boolean isDebug(HttpServletRequest request)
{
String temp = getRequestParmString(request, "debug");
if (temp != null)
return new Boolean(temp).booleanValue();
return DEFAULT_debug;
}
/**
* Returns the current setting for "noConflictWarnings".
* @param request Request to check for parameter value
* @return Boolean value for "noConflictWarnings"
*/
boolean isNoCW(HttpServletRequest request)
{
String temp = getRequestParmString(request, "noConflictWarnings");
if (temp != null)
return new Boolean(temp).booleanValue();
return DEFAULT_noCW;
}
}