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Java > Open Source Codes > org > apache > cayenne > project > validator > ProcedureValidator


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19
20 package org.apache.cayenne.project.validator;
21
22 import java.util.Iterator JavaDoc;
23 import java.util.List JavaDoc;
24
25 import org.apache.cayenne.map.DataMap;
26 import org.apache.cayenne.map.Procedure;
27 import org.apache.cayenne.project.ProjectPath;
28 import org.apache.cayenne.util.Util;
29
30 /**
31  * Validator for stored procedures.
32  *
33  * @author Andrus Adamchik
34  */
35 public class ProcedureValidator extends TreeNodeValidator {
36
37     public void validateObject(ProjectPath treeNodePath, Validator validator) {
38         Procedure procedure = (Procedure) treeNodePath.getObject();
39         validateName(procedure, treeNodePath, validator);
40
41         // check that return value is present
42 if (procedure.isReturningValue()) {
43             List JavaDoc parameters = procedure.getCallParameters();
44             if (parameters.size() == 0) {
45                 validator.registerWarning(
46                     "Procedure returns a value, but has no parameters.",
47                     treeNodePath);
48             }
49         }
50     }
51
52     protected void validateName(
53         Procedure procedure,
54         ProjectPath path,
55         Validator validator) {
56         String JavaDoc name = procedure.getName();
57
58         // Must have name
59 if (Util.isEmptyString(name)) {
60             validator.registerError("Unnamed Procedure.", path);
61             return;
62         }
63
64         DataMap map = (DataMap) path.getObjectParent();
65         if (map == null) {
66             return;
67         }
68
69         // check for duplicate names in the parent context
70 Iterator JavaDoc it = map.getProcedures().iterator();
71         while (it.hasNext()) {
72             Procedure otherProcedure = (Procedure) it.next();
73             if (otherProcedure == procedure) {
74                 continue;
75             }
76
77             if (name.equals(otherProcedure.getName())) {
78                 validator.registerError("Duplicate Procedure name: " + name + ".", path);
79                 break;
80             }
81         }
82     }
83
84 }
85
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