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


1 /* ====================================================================
2  *
3  * The ObjectStyle Group Software License, version 1.1
4  * ObjectStyle Group - http://objectstyle.org/
5  *
6  * Copyright (c) 2002-2005, Andrei (Andrus) Adamchik and individual authors
7  * of the software. All rights reserved.
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10  * modification, are permitted provided that the following conditions
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22  * must include the following acknowlegement:
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24  * and hosted on ObjectStyle Group web site (http://objectstyle.org/)."
25  * Alternately, this acknowlegement may appear in the software itself,
26  * if and wherever such third-party acknowlegements normally appear.
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29  * or promote products derived from this software without prior written
30  * permission. For written permission, email
31  * "andrus at objectstyle dot org".
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34  * or "Cayenne", nor may "ObjectStyle" or "Cayenne" appear in their
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37  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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54  * <http://objectstyle.org/>.
55  */
56 package org.objectstyle.cayenne.project.validator;
57
58 import java.util.Iterator JavaDoc;
59 import java.util.List JavaDoc;
60
61 import org.objectstyle.cayenne.map.DataMap;
62 import org.objectstyle.cayenne.map.Procedure;
63 import org.objectstyle.cayenne.project.ProjectPath;
64 import org.objectstyle.cayenne.util.Util;
65
66 /**
67  * Validator for stored procedures.
68  *
69  * @author Andrei Adamchik
70  */
71 public class ProcedureValidator extends TreeNodeValidator {
72
73     public void validateObject(ProjectPath treeNodePath, Validator validator) {
74         Procedure procedure = (Procedure) treeNodePath.getObject();
75         validateName(procedure, treeNodePath, validator);
76
77         // check that return value is present
78 if (procedure.isReturningValue()) {
79             List JavaDoc parameters = procedure.getCallParameters();
80             if (parameters.size() == 0) {
81                 validator.registerWarning(
82                     "Procedure returns a value, but has no parameters.",
83                     treeNodePath);
84             }
85         }
86     }
87
88     protected void validateName(
89         Procedure procedure,
90         ProjectPath path,
91         Validator validator) {
92         String JavaDoc name = procedure.getName();
93
94         // Must have name
95 if (Util.isEmptyString(name)) {
96             validator.registerError("Unnamed Procedure.", path);
97             return;
98         }
99
100         DataMap map = (DataMap) path.getObjectParent();
101         if (map == null) {
102             return;
103         }
104
105         // check for duplicate names in the parent context
106 Iterator JavaDoc it = map.getProcedures().iterator();
107         while (it.hasNext()) {
108             Procedure otherProcedure = (Procedure) it.next();
109             if (otherProcedure == procedure) {
110                 continue;
111             }
112
113             if (name.equals(otherProcedure.getName())) {
114                 validator.registerError("Duplicate Procedure name: " + name + ".", path);
115                 break;
116             }
117         }
118     }
119
120 }
121
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