| 1 | /* |
| 2 | * Copyright 2003,2004 The Apache Software Foundation. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.apache.pluto.driver.core; |
| 17 | |
| 18 | import java.util.Collections; |
| 19 | import java.util.Enumeration; |
| 20 | import java.util.HashMap; |
| 21 | import java.util.Iterator; |
| 22 | import java.util.Map; |
| 23 | |
| 24 | import javax.servlet.http.HttpServletRequest; |
| 25 | import javax.servlet.http.HttpServletRequestWrapper; |
| 26 | |
| 27 | import org.apache.pluto.PortletWindow; |
| 28 | import org.apache.pluto.driver.url.PortalURL; |
| 29 | import org.apache.pluto.driver.url.PortalURLParameter; |
| 30 | |
| 31 | public class PortalServletRequest extends HttpServletRequestWrapper { |
| 32 | |
| 33 | private PortletWindow portletWindow = null; |
| 34 | |
| 35 | private PortalURL url; |
| 36 | private Map portletParameters; |
| 37 | |
| 38 | public PortalServletRequest(HttpServletRequest request, |
| 39 | PortletWindow window) { |
| 40 | super(request); |
| 41 | this.portletWindow = window; |
| 42 | |
| 43 | url = |
| 44 | PortalEnvironment.getPortalEnvironment(request).getRequestedPortalURL(); |
| 45 | } |
| 46 | |
| 47 | |
| 48 | // HttpServletRequestWrapper overlay |
| 49 | |
| 50 | public java.lang.String getContentType() { |
| 51 | String contentType = super.getContentType(); |
| 52 | return contentType; |
| 53 | } |
| 54 | |
| 55 | // ServletRequestWrapper overlay |
| 56 | |
| 57 | public String getParameter(String name) { |
| 58 | String[] values = (String[]) this.getParameterMap().get(name); |
| 59 | if (values != null) { |
| 60 | return values[0]; |
| 61 | } |
| 62 | return null; |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Retreive the Parameters. |
| 67 | * @return Map of parameters targeted to the window associated with this |
| 68 | * request. |
| 69 | */ |
| 70 | public Map getParameterMap() { |
| 71 | if (portletParameters == null) { |
| 72 | initParameterMap(); |
| 73 | } |
| 74 | return Collections.unmodifiableMap(portletParameters); |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * Initialize parameters for this request. We must be careful to make sure |
| 79 | * that render parameters are only made available if they were targeted for |
| 80 | * this specific window. |
| 81 | */ |
| 82 | private void initParameterMap() { |
| 83 | portletParameters = new HashMap(); |
| 84 | |
| 85 | Iterator iterator = url.getParameters().iterator(); |
| 86 | while (iterator.hasNext()) { |
| 87 | PortalURLParameter param = (PortalURLParameter) iterator.next(); |
| 88 | String name = param.getName(); |
| 89 | String[] values = param.getValues(); |
| 90 | if (param.getWindowId().equals(portletWindow.getId().getStringId())) { |
| 91 | portletParameters.put(name, values); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | String id = portletWindow.getId().getStringId(); |
| 96 | if (portletWindow.getId().getStringId().equals(id)) { |
| 97 | Enumeration params = super.getParameterNames(); |
| 98 | while (params.hasMoreElements()) { |
| 99 | String name = params.nextElement().toString(); |
| 100 | String[] values = super.getParameterValues(name); |
| 101 | if (portletParameters.containsKey(name)) { |
| 102 | String[] temp = (String[]) portletParameters.get(name); |
| 103 | String[] all = new String[values.length + temp.length]; |
| 104 | System.arraycopy(values, 0, all, 0, values.length); |
| 105 | System.arraycopy(temp, 0, all, values.length, temp.length); |
| 106 | } |
| 107 | portletParameters.put(name, values); |
| 108 | } |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Get an enumeration which contains each of the names for which parameters |
| 114 | * exist. |
| 115 | * @return an enumeration of all names bound as parameters. |
| 116 | */ |
| 117 | public Enumeration getParameterNames() { |
| 118 | return Collections.enumeration(getParameterMap().keySet()); |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Get the values associated with the given parameter key. |
| 123 | * @param name the Parameter name used to key the parameter. |
| 124 | * @return a String[] of all values bound to the given name as a parameter. |
| 125 | */ |
| 126 | public String[] getParameterValues(String name) { |
| 127 | return (String[]) getParameterMap().get(name); |
| 128 | } |
| 129 | |
| 130 | } |
| 131 | |
| 132 | |