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/* Generated by AspectJ version 1.0.5 */
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package org.apache.cactus.server;
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import java.util.Enumeration;
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import java.util.Hashtable;
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import java.util.Vector;
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import javax.servlet.ServletConfig;
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import javax.servlet.ServletContext;
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/**
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* Wrapper around <code>ServletConfig</code> which overrides the
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* <code>getServletContext()</code> method to return our own wrapper around
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* <code>ServletContext</code>.
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*
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* @author <a href="mailto:vmassol@apache.org">Vincent Massol</a>
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*
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* @version $Id: ServletConfigWrapper.java,v 1.2 2002/04/14 10:15:03 vmassol Exp $
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* @see ServletContext
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*/
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public class ServletConfigWrapper implements ServletConfig {
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/**
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* The original servlet config object
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*/
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private ServletConfig originalConfig;
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/**
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* List of parameters set using the <code>setInitParameter()</code> method.
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*/
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private Hashtable initParameters;
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/**
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* Simulated name of the servlet
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*/
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private String servletName;
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/**
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* @param theOriginalConfig the original servlet config object
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*/
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public ServletConfigWrapper(ServletConfig theOriginalConfig) {
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super();
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this.originalConfig = theOriginalConfig;
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this.initParameters = new Hashtable();
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}
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/**
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* Sets a parameter as if it were set in the <code>web.xml</code> file.
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*
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* @param theName the parameter's name
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* @param theValue the parameter's value
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*/
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public void setInitParameter(String theName, String theValue) {
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this.initParameters.put(theName, theValue);
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}
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/**
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* Sets the servlet name. That will be the value returned by the
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* <code>getServletName()</code> method.
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*
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* @param theServletName the servlet's name
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*/
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public void setServletName(String theServletName) {
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this.servletName = theServletName;
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}
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/**
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* @return our own wrapped servlet context object
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*/
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public ServletContext getServletContext() {
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return new ServletContextWrapper(this.originalConfig.getServletContext());
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}
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/**
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* @param theName the name of the parameter's value to return
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* @return the value of the parameter, looking for it first in the list of
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* parameters set using the <code>setInitParameter()</code> method
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* and then in those set in <code>web.xml</code>.
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*/
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public String getInitParameter(String theName) {
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String value = (String)this.initParameters.get(theName);
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if (value == null) {
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value = this.originalConfig.getInitParameter(theName);
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}
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return value;
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}
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/**
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* @return the union of the parameters defined in the Redirector
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* <code>web.xml</code> file and the one set using the
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* <code>setInitParameter()</code> method.
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*/
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public Enumeration getInitParameterNames() {
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Vector names = new Vector();
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Enumeration enum = this.initParameters.keys();
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while (enum.hasMoreElements()){
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String value = (String)enum.nextElement();
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names.add(value);
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}
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enum = this.originalConfig.getInitParameterNames();
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while (enum.hasMoreElements()){
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String value = (String)enum.nextElement();
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names.add(value);
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}
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return names.elements();
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}
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/**
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* @return the simulated servlet's name if defined or the redirector
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* servlet's name
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*/
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public String getServletName() {
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if (this.servletName != null) {
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return this.servletName;
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}
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return this.originalConfig.getServletName();
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}
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}
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