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19
20 package org.netbeans.modules.web.core.syntax.completion;
21
22 import java.util.ArrayList  ;
23 import java.util.Iterator ;
24 import java.util.List ;
25 import java.util.Map ;
26 import java.util.StringTokenizer ;
27 import javax.servlet.jsp.tagext.FunctionInfo ;
28 import javax.servlet.jsp.tagext.TagLibraryInfo ;
29 import org.netbeans.modules.web.core.syntax.JspSyntaxSupport;
30 import org.netbeans.modules.web.core.syntax.JspUtils;
31 import org.netbeans.modules.web.jsps.parserapi.JspParserAPI;
32 import org.openide.ErrorManager;
33
34
38 public class ELFunctions {
39 public static class Function {
40 private String prefix;
41 private FunctionInfo info;
42
43 public Function(String prefix, FunctionInfo info){
44 this.info = info;
45 this.prefix = prefix;
46 }
47
48 public String getPrefix(){
49 return prefix;
50 }
51
52 public FunctionInfo getFunctionInfo(){
53 return info;
54 }
55
56 public String getName(){
57 return info.getName();
58 }
59
60 public String getReturnType(){
61 String signature = info.getFunctionSignature().trim();
62 String type = null;
63
64 if (signature != null || !signature.equals("")){
65 int index = signature.indexOf(info.getName());
66 if (index > -1)
67 type = signature.substring(0, index).trim();
68 }
69
70 return type;
71 }
72
73 public String getParameters(){
74 String parameters = "";
75 String signature = info.getFunctionSignature().trim();
76
77 if (signature != null || !signature.equals("")){
78 int index = signature.indexOf(info.getName());
79 if (index > -1){
80 parameters = signature.substring(index+1).trim();
81 if (parameters.indexOf('(')>-1)
82 parameters = parameters.substring(parameters.indexOf('(')+1);
83 if (parameters.indexOf(')')>-1)
84 parameters = parameters.substring(0, parameters.indexOf(')'));
85 StringTokenizer st = new StringTokenizer (parameters, ",");
86 String type;
87 StringBuffer sb = new StringBuffer ();
88 while(st.hasMoreTokens()){
89 type = st.nextToken();
90 if (type.lastIndexOf('.')>-1)
91 type = type.substring(type.lastIndexOf('.') +1);
92 sb.append(type);
93 if (st.hasMoreTokens())
94 sb.append(", ");
95 }
96 parameters = sb.toString();
97 }
98 }
99 return parameters;
100 }
101 }
102
103 public static List getFunctions(JspSyntaxSupport sup, String start){
104 List functions = new ArrayList ();
105 JspParserAPI.ParseResult result = JspUtils.getCachedParseResult(sup.getDocument(), sup.getFileObject(), false, false);
106 if (result != null) {
107 Map libraries = result.getPageInfo().getTagLibraries();
108 Map prefixes = result.getPageInfo().getJspPrefixMapper();
109 Iterator iter = prefixes.keySet().iterator();
110 while (iter.hasNext()) {
111 String prefix = (String )iter.next();
112 TagLibraryInfo library = (TagLibraryInfo )libraries.get(prefixes.get(prefix));
113 FunctionInfo [] fun = getValidFunctions(library);
114 for (int i = 0; i < fun.length; i++) {
115 if ((prefix+":"+fun[i].getName()).startsWith(start))
116 functions.add(new Function(prefix, fun[i]));
117 }
118 }
119 }
120 return functions;
121 }
122
123
124 private static FunctionInfo [] getValidFunctions(TagLibraryInfo tli) {
125 ArrayList <FunctionInfo > fis = new ArrayList ();
126 for(FunctionInfo fi :tli.getFunctions()) {
127 String msg = null;
128 if(fi.getFunctionClass() == null || fi.getFunctionClass().length() == 0) {
129 msg = "Invalid function class '" + fi.getFunctionClass() + "' in " + tli.getShortName() + " tag library."; } else if(fi.getName() == null || fi.getName().length() == 0) {
131 msg = "Invalid function name '" + fi.getName() + "' in " + tli.getShortName() + " tag library."; } else if(fi.getFunctionSignature() == null || fi.getFunctionSignature().length() == 0) {
133 msg = "Invalid function signature '" + fi.getFunctionSignature() + "' in " + tli.getShortName() + " tag library."; } else if(fi.getFunctionSignature().indexOf(fi.getName()) == -1) {
135 msg = "Invalid function signature '" + fi.getFunctionSignature() + "' (doesn't contain function name) in " + tli.getShortName() + " tag library."; }
137 if(msg == null) {
138 fis.add(fi);
139 } else {
140 ErrorManager.getDefault().log(ErrorManager.INFORMATIONAL, msg);
141 }
142 }
143 return (FunctionInfo [])fis.toArray(new FunctionInfo []{});
144 }
145
146 }
147 |
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