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16 package org.apache.cocoon.components.modules.input;
17
18 import org.apache.cocoon.environment.ObjectModelHelper;
19 import org.apache.cocoon.environment.Request;
20 import org.apache.cocoon.environment.portlet.PortletEnvironment;
21 import org.apache.cocoon.environment.portlet.PortletObjectModelHelper;
22 import org.apache.cocoon.util.NetUtils;
23
24 import org.apache.avalon.framework.configuration.Configuration;
25 import org.apache.avalon.framework.configuration.ConfigurationException;
26 import org.apache.avalon.framework.thread.ThreadSafe;
27
28 import javax.portlet.PortletURL;
29 import javax.portlet.RenderResponse;
30
31 import java.util.ArrayList  ;
32 import java.util.HashMap ;
33 import java.util.Iterator ;
34 import java.util.List ;
35 import java.util.Map ;
36
37
54 public class PortletURLModule extends AbstractInputModule implements ThreadSafe {
55
56 public static final String NAME_RENDER = "render";
57 public static final String NAME_RESOURCE = "resource";
58 public static final String NAME_ACTION = "action";
59
60 private static final String PREFIX_RENDER = NAME_RENDER + ":";
61 private static final String PREFIX_RESOURCE = NAME_RESOURCE + ":";
62 private static final String PREFIX_ACTION = NAME_ACTION + ":";
63
64 private static final List returnNames;
65
66 static {
67 List tmp = new ArrayList ();
68 tmp.add(NAME_RENDER);
69 tmp.add(NAME_RESOURCE);
70 tmp.add(NAME_ACTION);
71 returnNames = tmp;
72 }
73
74 public Iterator getAttributeNames(Configuration modeConf, Map objectModel) throws ConfigurationException {
75 return PortletURLModule.returnNames.iterator();
76 }
77
78 public Object getAttribute(String name, Configuration modeConf, Map objectModel) throws ConfigurationException {
79 if (name == null) {
80 throw new NullPointerException ("Attribute name is null");
81 }
82
83 Request request = ObjectModelHelper.getRequest(objectModel);
84
85 RenderResponse renderResponse = PortletObjectModelHelper.getRenderResponse(objectModel);
86 if (renderResponse != null) {
87 PortletURL url = null;
88 if (name.startsWith(PREFIX_RENDER)) {
89 url = renderResponse.createRenderURL();
90 name = name.substring(PREFIX_RENDER.length());
91 if (name.length() > 0 && name.charAt(0) == '/') {
92 name = name.substring(1);
93 }
94 } else if (name.startsWith(PREFIX_RESOURCE)) {
95 name = name.substring(PREFIX_RESOURCE.length());
96 if (name.length() == 0 || name.charAt(0) != '/') {
97 String uri = request.getContextPath() + "/" + request.getServletPath();
98 name = NetUtils.absolutize(uri, name);
99 }
100 return renderResponse.encodeURL(name);
101 } else if (name.startsWith(PREFIX_ACTION)) {
102 url = renderResponse.createActionURL();
103 name = name.substring(PREFIX_ACTION.length());
104 if (name.length() > 0 && name.charAt(0) == '/') {
105 name = name.substring(1);
106 }
107 } else {
108 throw new IllegalArgumentException ("Invalid attribute name '" + name + "' for '" + getClass().getName() + "'");
109 }
110
111 Map parameters = new HashMap (7);
112 name = NetUtils.deparameterize(name, parameters);
113 if (name.length() > 0) {
114 parameters.put(PortletEnvironment.PARAMETER_PATH_INFO, name);
115 }
116 for (Iterator i = parameters.entrySet().iterator(); i.hasNext();) {
117 Map.Entry me = (Map.Entry )i.next();
118 String param = (String )me.getKey();
119 Object values = me.getValue();
120 if (values instanceof String ) {
121 url.setParameter(param, (String ) values);
122 } else {
123 url.setParameter(param, (String []) values);
124 }
125 }
126 return url.toString();
127 }
128 if (name.startsWith(PREFIX_RENDER)) {
129 return name.substring(PREFIX_RENDER.length());
130 } else if (name.startsWith(PREFIX_RESOURCE)) {
131 return name.substring(PREFIX_RESOURCE.length());
132 } else if (name.startsWith(PREFIX_ACTION)) {
133 return name.substring(PREFIX_ACTION.length());
134 } else {
135 throw new IllegalArgumentException ("Invalid attribute name '" + name + "' for '" + getClass().getName() + "'");
136 }
137 }
138
139 public Object [] getAttributeValues(String name, Configuration modeConf, Map objectModel) throws ConfigurationException {
140 Object result = getAttribute(name, modeConf, objectModel);
141 if (result != null) {
142 return new Object []{result};
143 }
144 return null;
145 }
146 }
147 |
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