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Java > Open Source Codes > org > objectstyle > cayenne > modeler > dialog > validator > ValidationDisplayHandler


1 /* ====================================================================
2  *
3  * The ObjectStyle Group Software License, version 1.1
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6  * Copyright (c) 2002-2005, Andrei (Andrus) Adamchik and individual authors
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56
57 package org.objectstyle.cayenne.modeler.dialog.validator;
58
59 import javax.swing.JFrame JavaDoc;
60
61 import org.apache.log4j.Logger;
62 import org.objectstyle.cayenne.access.DataDomain;
63 import org.objectstyle.cayenne.access.DataNode;
64 import org.objectstyle.cayenne.map.Attribute;
65 import org.objectstyle.cayenne.map.DataMap;
66 import org.objectstyle.cayenne.map.Entity;
67 import org.objectstyle.cayenne.map.Procedure;
68 import org.objectstyle.cayenne.map.ProcedureParameter;
69 import org.objectstyle.cayenne.map.Relationship;
70 import org.objectstyle.cayenne.modeler.ProjectController;
71 import org.objectstyle.cayenne.project.ProjectPath;
72 import org.objectstyle.cayenne.project.validator.ValidationInfo;
73 import org.objectstyle.cayenne.query.Query;
74
75 /**
76  * Superclass of CayenneModeler validation messages.
77  *
78  * @author Michael Misha Shengaout
79  * @author Andrei Adamchik
80  */
81 public abstract class ValidationDisplayHandler {
82     private static Logger logObj = Logger.getLogger(ValidationDisplayHandler.class);
83
84     public static final int NO_ERROR = ValidationInfo.VALID;
85     public static final int WARNING = ValidationInfo.WARNING;
86     public static final int ERROR = ValidationInfo.ERROR;
87
88     protected ValidationInfo validationInfo;
89     protected DataDomain domain;
90
91     public static ValidationDisplayHandler getErrorMsg(ValidationInfo result) {
92         Object JavaDoc validatedObj = result.getValidatedObject();
93
94         ValidationDisplayHandler msg = null;
95         if (validatedObj instanceof Attribute) {
96             msg = new AttributeErrorMsg(result);
97         }
98         else if (validatedObj instanceof Relationship) {
99             msg = new RelationshipErrorMsg(result);
100         }
101         else if (validatedObj instanceof Entity) {
102             msg = new EntityErrorMsg(result);
103         }
104         else if (validatedObj instanceof DataNode) {
105             msg = new DataNodeErrorMsg(result);
106         }
107         else if (validatedObj instanceof DataMap) {
108             msg = new DataMapErrorMsg(result);
109         }
110         else if (validatedObj instanceof DataDomain) {
111             msg = new DomainErrorMsg(result);
112         }
113         else if (validatedObj instanceof Procedure) {
114             msg = new ProcedureErrorMsg(result);
115         }
116         else if (validatedObj instanceof ProcedureParameter) {
117             msg = new ProcedureParameterErrorMsg(result);
118         }
119         else if (validatedObj instanceof Query) {
120             msg = new QueryErrorMsg(result);
121         }
122         else {
123             // do nothing ... this maybe a project node that is not displayed
124 logObj.info("unknown project node: " + validatedObj);
125             msg = new NullHanlder(result);
126         }
127
128         return msg;
129     }
130
131     public ValidationDisplayHandler(ValidationInfo validationInfo) {
132         this.validationInfo = validationInfo;
133     }
134
135     /**
136      * Fires event to display the screen where error should be corrected.
137      */
138     public abstract void displayField(ProjectController mediator, JFrame JavaDoc frame);
139
140     /** Returns the text of the error message. */
141     public String JavaDoc getMessage() {
142         return validationInfo.getMessage();
143     }
144
145     /** Returns the severity of the error message.*/
146     public int getSeverity() {
147         return validationInfo.getSeverity();
148     }
149
150     public DataDomain getDomain() {
151         return domain;
152     }
153
154     public void setDomain(DataDomain domain) {
155         this.domain = domain;
156     }
157
158     public String JavaDoc toString() {
159         return getMessage();
160     }
161
162     public ProjectPath getPath() {
163         return validationInfo.getPath();
164     }
165
166     public ValidationInfo getValidationInfo() {
167         return validationInfo;
168     }
169
170     private static final class NullHanlder extends ValidationDisplayHandler {
171         NullHanlder(ValidationInfo info) {
172             super(info);
173         }
174
175         public void displayField(ProjectController mediator, JFrame JavaDoc frame) {
176             // noop
177 }
178     }
179 }
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