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comparison src/nabble/view/web/template/RequestNamespace.java @ 0:7ecd1a4ef557

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author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 21 Mar 2019 19:15:52 -0600
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-1:000000000000 0:7ecd1a4ef557
1 package nabble.view.web.template;
2
3 import fschmidt.util.java.HtmlUtils;
4 import fschmidt.util.servlet.ServletUtils;
5 import nabble.model.Node;
6 import nabble.model.Site;
7 import nabble.model.ViewCount;
8 import nabble.naml.compiler.Command;
9 import nabble.naml.compiler.CommandSpec;
10 import nabble.naml.compiler.IPrintWriter;
11 import nabble.naml.compiler.Interpreter;
12 import nabble.naml.compiler.Namespace;
13 import nabble.naml.compiler.ScopedInterpreter;
14 import nabble.naml.namespaces.StringList;
15 import nabble.naml.namespaces.TemplateException;
16 import nabble.view.lib.Jtp;
17
18 import javax.servlet.ServletException;
19 import javax.servlet.http.HttpServletRequest;
20 import java.io.IOException;
21 import java.util.ArrayList;
22 import java.util.Arrays;
23 import java.util.Collections;
24 import java.util.HashMap;
25 import java.util.List;
26 import java.util.Map;
27
28
29 @Namespace (
30 name = "http_request",
31 global = true
32 )
33 public class RequestNamespace {
34 public final HttpServletRequest request;
35
36 public RequestNamespace(HttpServletRequest request) {
37 this.request = request;
38 }
39
40 public static final CommandSpec NAME = new CommandSpec.Builder()
41 .dotParameter("name")
42 .build()
43 ;
44
45 public static final CommandSpec get_parameter = NAME;
46
47 @Command public void get_parameter(IPrintWriter out,Interpreter interp) {
48 String name = interp.getArgString("name");
49 out.print( request.getParameter(name) );
50 }
51
52 public static final CommandSpec get_request_header = NAME;
53
54 @Command public void get_request_header(IPrintWriter out,Interpreter interp) {
55 String name = interp.getArgString("name");
56 out.print( request.getHeader(name) );
57 }
58
59 public static final CommandSpec get_cookie_value = NAME;
60
61 @Command public void get_cookie_value(IPrintWriter out,Interpreter interp) {
62 String name = interp.getArgString("name");
63 out.print( ServletUtils.getCookieValue(request, name) );
64 }
65
66 @Command public void request_method(IPrintWriter out,Interpreter interp) {
67 out.print( request.getMethod() );
68 }
69
70 @Command public void servlet_path(IPrintWriter out,Interpreter interp) {
71 out.print( request.getServletPath() );
72 }
73
74 @Command public void server_name(IPrintWriter out,Interpreter interp) {
75 out.print( request.getServerName() );
76 }
77
78 @Command public void current_url(IPrintWriter out,Interpreter interp) {
79 out.print( interp.encode( ServletUtils.getCurrentURL(request) ) );
80 }
81
82 @Command public void current_path(IPrintWriter out,Interpreter interp) {
83 out.print( interp.encode( Jtp.getCurrentPath(request) ) );
84 }
85
86 // overridden in ServletNamespace
87 public static final CommandSpec get_node_from_request_parameter = CommandSpec.DO;
88
89 @Command public void get_node_from_request_parameter(IPrintWriter out,ScopedInterpreter<NodeNamespace> interp)
90 throws IOException, ServletException, TemplateException
91 {
92 Node node = NabbleNamespace.current().site().getNode( Jtp.getLong(request, "node") );
93 if( node != null )
94 out.print( interp.getArg(new NodeNamespace(node),"do") );
95 }
96
97 public static final CommandSpec get_parameter_values = CommandSpec.DO()
98 .parameters("name")
99 .build()
100 ;
101
102 @Command public void get_parameter_values(IPrintWriter out,ScopedInterpreter<ParameterValueList> interp)
103 throws IOException, ServletException
104 {
105 String name = interp.getArgString("name");
106 String[] values = request.getParameterValues(name);
107 List<String> list = values == null ? Collections.<String>emptyList() : Arrays.asList(values);
108 Object block = interp.getArg(new ParameterValueList(list),"do");
109 out.print(block);
110 }
111
112 public static final CommandSpec get_parameters_pipe_separated = CommandSpec.DO()
113 .parameters("name")
114 .build()
115 ;
116
117 @Command public void get_parameters_pipe_separated(IPrintWriter out,ScopedInterpreter<ParameterValueList> interp) {
118 String name = interp.getArgString("name");
119 String values = request.getParameter(name);
120 List<String> list = values == null ? Collections.<String>emptyList() : Arrays.asList(values.split("\\|"));
121 for (int i = 0; i < list.size(); i++) {
122 list.set(i, HtmlUtils.urlDecode(list.get(i)));
123 }
124 Object block = interp.getArg(new ParameterValueList(list),"do");
125 out.print(block);
126 }
127
128 @Namespace (
129 name = "parameter_value_list",
130 global = true
131 )
132 public static final class ParameterValueList extends StringList {
133
134 ParameterValueList(List<String> values) {
135 super(values);
136 }
137
138 public List<String> values() {
139 return elements;
140 }
141
142 @Command public void current_parameter_value(IPrintWriter out,Interpreter interp) {
143 out.print(get());
144 }
145
146
147 // hack for now
148
149 private Map<String,Integer> views = null;
150
151 public static final CommandSpec node_views = new CommandSpec.Builder()
152 .parameters("node_id")
153 .build()
154 ;
155
156 @Command public void node_views(IPrintWriter out,Interpreter interp) {
157 if( views == null ) {
158 Site site = NabbleNamespace.current().site();
159 List<Long> ids = new ArrayList<Long>();
160 for( String value : elements ) {
161 ids.add(Long.parseLong(value));
162 }
163 views = new HashMap<String,Integer>();
164 for( Map.Entry<Long,Integer> entry : ViewCount.getCounts(site,ids).entrySet() ) {
165 views.put( Long.toString(entry.getKey()), entry.getValue() );
166 }
167 }
168 String nodeId = interp.getArgString("node_id");
169 out.print( views.get(nodeId) );
170 }
171
172 }
173
174
175
176
177
178 @Command public void request_base_url(IPrintWriter out,Interpreter interp) {
179 out.print( interp.encode( Jtp.getBaseUrl(request) ) );
180 }
181 }