Column


1   /*   Copyright (C) 2003 Finalist IT Group
2    *
3    *   This file is part of JAG - the Java J2EE Application Generator
4    *
5    *   JAG is free software; you can redistribute it and/or modify
6    *   it under the terms of the GNU General Public License as published by
7    *   the Free Software Foundation; either version 2 of the License, or
8    *   (at your option) any later version.
9    *   JAG is distributed in the hope that it will be useful,
10   *   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12   *   GNU General Public License for more details.
13   *   You should have received a copy of the GNU General Public License
14   *   along with JAG; if not, write to the Free Software
15   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16   */
17  
18  package com.finalist.jaggenerator;
19  
20  import org.apache.commons.logging.Log;
21  import org.apache.commons.logging.LogFactory;
22  
23  import java.io.Serializable  ;
24  
25  /**
26   *
27   * @author  hillebrand
28   */
29  public class Column implements Serializable   {
30     static Log log = LogFactory.getLog(Column.class);
31     /** Holds value of property name. */
32     private String   name;
33  
34     /** Holds value of property sqlType. */
35     private String   sqlType;
36  
37     /** Holds value of property precision. */
38     private int precision;
39  
40     /** Holds value of property scale. */
41     private int scale;
42  
43     /** Holds value of property length. */
44     private int length;
45  
46     /** Set to true if columns is primary key column. */
47     private boolean primaryKey;
48  
49     /** True if the column may be null. */
50     private boolean nullable;
51  
52  
53     /** Creates a new instance of Column */
54     public Column() {
55     }
56  
57  
58     /** Getter for property name.
59      * @return Value of property name.
60      *
61      */
62     public String   getName() {
63        return this.name;
64     }
65  
66  
67     /** Setter for property name.
68      * @param name New value of property name.
69      *
70      */
71     public void setName(String   name) {
72        this.name = name;
73     }
74  
75  
76     /** Setter for property sqlType.
77      * @param sqlType New value of property sqlType.
78      *
79      */
80     public void setSqlType(String   sqlType) {
81  
82        // Check if a precision and / or scale have been passed.
83        if (sqlType != null) {
84            int index = sqlType.indexOf("(");
85            if (index != -1) {
86                this.sqlType = sqlType.substring(0, index);
87                // Now als set the scale and precision...
88                int index2 = sqlType.indexOf(")");
89                if (index2 != -1) {
90                    // There is a scale and / or precsions.
91                    int index3 = sqlType.indexOf(",");
92                    if (index3 != -1) {
93                        // Scale AND precision!
94                      String   scale = sqlType.substring(index + 1, index3).trim();
95                      String   precision = sqlType.substring(index3 + 1, index2).trim();
96                      int sc = 0;
97                      int pr = 0;
98                      try {
99                       sc = Integer.parseInt(scale);
100                      pr = Integer.parseInt(precision);
101                     } catch (Exception   e) {
102                         log.warn("Error while parsing scale or precision for type " + sqlType);
103                     }
104                     setScale(sc);
105                     setPrecision(pr);
106                   } else {
107                       // Only a scale..
108                       String   scale = sqlType.substring(index + 1, index2).trim();
109                       int sc = 0;
110                       try {
111                        sc = Integer.parseInt(scale);
112                       } catch (Exception   e) {
113                           log.warn("Error while parsing scale for type " + sqlType);
114                       }
115                       setScale(sc);
116 
117                   }
118               }
119           } else {
120             this.sqlType = sqlType;
121           }
122 
123       }
124    }
125 
126 
127    /** Getter for property precision.
128     * @return Value of property precision.
129     *
130     */
131    public int getPrecision() {
132       return this.precision;
133    }
134 
135 
136    /** Setter for property precision.
137     * @param precision New value of property precision.
138     *
139     */
140    public void setPrecision(int precision) {
141       this.precision = precision;
142    }
143 
144 
145    /** Getter for property scale.
146     * @return Value of property scale.
147     *
148     */
149    public int getScale() {
150       return this.scale;
151    }
152 
153 
154    /** Setter for property scale.
155     * @param scale New value of property scale.
156     *
157     */
158    public void setScale(int scale) {
159       this.scale = scale;
160    }
161 
162 
163    /** Getter for property length.
164     * @return Value of property length.
165     *
166     */
167    public int getLength() {
168       return this.length;
169    }
170 
171 
172    /** Setter for property length.
173     * @param length New value of property length.
174     *
175     */
176    public void setLength(int length) {
177       this.length = length;
178    }
179 
180 
181    /** Getter for property sqlType.
182     * @return Value of property sqlType.
183     *
184     */
185    public String   getSqlType() {
186       return this.sqlType;
187    }
188 
189 
190    /** Getter for property primary Key
191     * @return Value of primary key.
192     *
193     */
194    public boolean isPrimaryKey() {
195       return this.primaryKey;
196    }
197 
198 
199    /** Setter for the primary key.
200     * @param value to true if column is a primary key column
201     *
202     */
203    public void setPrimaryKey(boolean value) {
204       this.primaryKey = value;
205    }
206 
207    /**
208     * Gets the 'nullableString' property as a boolean.
209     *
210     * @return the boolean interpretation of the 'nullableString' property.
211     */
212    public boolean isNullable() {
213       return nullable;
214    }
215 
216    /**
217     * Sets the 'nullable' property with a value from a database columns dumo.
218     * @param nullable set to <code>true</code> if the column is nullable.
219     */
220    public void setNullable(boolean nullable) {
221       this.nullable = nullable;
222    }
223 
224    /** @see {@link java.lang.Object#toString()}. */
225    public String   toString() {
226       return "Column(name=" + name + ", sqlType=" + sqlType + ", precision=" + precision +
227             ", scale=" + scale + ", length=" + length + ", primaryKey=" + primaryKey + ", nullable=" + nullable + ")";
228    }
229 
230 
231 }
232
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