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package org.apache.tapestry.web;
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import java.io.IOException;
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import java.util.List;
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import java.util.Locale;
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import javax.servlet.RequestDispatcher;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import org.apache.hivemind.ApplicationRuntimeException;
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import org.apache.hivemind.HiveMind;
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import org.apache.hivemind.util.Defense;
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import org.apache.tapestry.describe.DescriptionReceiver;
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public class ServletWebRequest implements WebRequest
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{
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private final HttpServletRequest _servletRequest;
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private final HttpServletResponse _servletResponse;
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private WebSession _webSession;
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public ServletWebRequest(HttpServletRequest request, HttpServletResponse response)
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{
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Defense.notNull(request, "request");
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Defense.notNull(response, "response");
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_servletRequest = request;
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_servletResponse = response;
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}
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public List getParameterNames()
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{
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return WebUtils.toSortedList(_servletRequest.getParameterNames());
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}
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public String getParameterValue(String parameterName)
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{
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return _servletRequest.getParameter(parameterName);
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}
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public String[] getParameterValues(String parameterName)
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{
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return _servletRequest.getParameterValues(parameterName);
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}
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public String getContextPath()
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{
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return _servletRequest.getContextPath();
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}
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public WebSession getSession(boolean create)
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{
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if (_webSession != null)
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return _webSession;
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HttpSession session = _servletRequest.getSession(create);
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if (session != null)
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_webSession = new ServletWebSession(session);
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return _webSession;
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}
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public List getAttributeNames()
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{
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return WebUtils.toSortedList(_servletRequest.getAttributeNames());
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}
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public Object getAttribute(String name)
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{
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return _servletRequest.getAttribute(name);
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}
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public void setAttribute(String name, Object attribute)
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{
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if (attribute == null)
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1
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_servletRequest.removeAttribute(name);
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else
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_servletRequest.setAttribute(name, attribute);
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}
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public String getScheme()
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{
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return _servletRequest.getScheme();
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}
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public String getServerName()
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{
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return _servletRequest.getServerName();
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}
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public int getServerPort()
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{
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return _servletRequest.getServerPort();
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}
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public String getRequestURI()
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{
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return _servletRequest.getRequestURI();
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}
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7
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public void forward(String URL)
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{
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7
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if (HiveMind.isBlank(URL))
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{
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1
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performForward("/");
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1
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return;
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}
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135
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6
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boolean internal = !(URL.startsWith("/") || URL.indexOf("://") > 0);
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137
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6
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if (internal)
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performForward("/" + URL);
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else
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2
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sendRedirect(URL);
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}
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2
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private void sendRedirect(String URL)
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{
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2
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String finalURL = _servletResponse.encodeRedirectURL(URL);
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2
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try
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{
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2
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_servletResponse.sendRedirect(finalURL);
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}
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catch (IOException ex)
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{
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1
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throw new ApplicationRuntimeException(WebMessages.unableToRedirect(URL, ex), ex);
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}
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}
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5
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private void performForward(String URL)
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{
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5
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RequestDispatcher dispatcher = _servletRequest.getRequestDispatcher(URL);
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162
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5
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if (dispatcher == null)
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1
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throw new ApplicationRuntimeException(WebMessages.unableToFindDispatcher(URL));
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165
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4
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try
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{
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4
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dispatcher.forward(_servletRequest, _servletResponse);
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}
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169
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catch (ServletException ex)
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{
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1
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throw new ApplicationRuntimeException(WebMessages.unableToForward(URL, ex), ex);
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}
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catch (IOException ex)
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{
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1
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throw new ApplicationRuntimeException(WebMessages.unableToForward(URL, ex), ex);
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}
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}
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179
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180
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181
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182
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150
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public String getActivationPath()
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183
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{
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184
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150
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String servletPath = _servletRequest.getServletPath();
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185
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150
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String pathInfo = _servletRequest.getPathInfo();
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187
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150
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return pathInfo == null ? servletPath : servletPath + pathInfo;
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}
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189
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190
|
139
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public Locale getLocale()
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191
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{
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192
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139
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return _servletRequest.getLocale();
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}
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194
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195
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22
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public void describeTo(DescriptionReceiver receiver)
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196
|
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{
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197
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22
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receiver.describeAlternate(_servletRequest);
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198
|
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}
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199
|
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}
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