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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* $Id: ApplyXSLTProperties.java 470245 2006-11-02 06:34:33Z minchau $
*/
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;
}
}
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