KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > net > sf > jasperreports > engine > base > JRBaseQuery


1 /*
2  * ============================================================================
3  * GNU Lesser General Public License
4  * ============================================================================
5  *
6  * JasperReports - Free Java report-generating library.
7  * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * JasperSoft Corporation
24  * 303 Second Street, Suite 450 North
25  * San Francisco, CA 94107
26  * http://www.jaspersoft.com
27  */
28 package net.sf.jasperreports.engine.base;
29
30 import java.io.Serializable JavaDoc;
31
32 import net.sf.jasperreports.engine.JRConstants;
33 import net.sf.jasperreports.engine.JRQuery;
34 import net.sf.jasperreports.engine.JRQueryChunk;
35 import net.sf.jasperreports.engine.query.JRJdbcQueryExecuterFactory;
36
37
38 /**
39  * @author Teodor Danciu (teodord@users.sourceforge.net)
40  * @version $Id: JRBaseQuery.java 1229 2006-04-19 13:27:35 +0300 (Wed, 19 Apr 2006) teodord $
41  */
42 public class JRBaseQuery implements JRQuery, Serializable JavaDoc
43 {
44     
45     
46     /**
47      *
48      */
49     private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
50
51     /**
52      *
53      */
54     private JRQueryChunk[] chunks = null;
55     
56     protected String JavaDoc language = JRJdbcQueryExecuterFactory.QUERY_LANGUAGE_SQL;
57
58
59     /**
60      *
61      */
62     protected JRBaseQuery()
63     {
64     }
65
66
67     /**
68      *
69      */
70     protected JRBaseQuery(JRQuery query, JRBaseObjectFactory factory)
71     {
72         factory.put(query, this);
73         
74         /* */
75         JRQueryChunk[] jrChunks = query.getChunks();
76         if (jrChunks != null && jrChunks.length > 0)
77         {
78             chunks = new JRQueryChunk[jrChunks.length];
79             for(int i = 0; i < chunks.length; i++)
80             {
81                 chunks[i] = factory.getQueryChunk(jrChunks[i]);
82             }
83         }
84         
85         language = query.getLanguage();
86     }
87         
88
89     /**
90      *
91      */
92     public JRQueryChunk[] getChunks()
93     {
94         return this.chunks;
95     }
96
97
98     /**
99      *
100      */
101     public String JavaDoc getText()
102     {
103         String JavaDoc text = "";
104         
105         JRQueryChunk[] cks = this.getChunks();
106         if (cks != null && cks.length > 0)
107         {
108             StringBuffer JavaDoc sbuffer = new StringBuffer JavaDoc();
109
110             for(int i = 0; i < cks.length; i++)
111             {
112                 switch(cks[i].getType())
113                 {
114                     case JRQueryChunk.TYPE_PARAMETER :
115                     {
116                         sbuffer.append("$P{");
117                         sbuffer.append( cks[i].getText() );
118                         sbuffer.append("}");
119                         break;
120                     }
121                     case JRQueryChunk.TYPE_PARAMETER_CLAUSE :
122                     {
123                         sbuffer.append("$P!{");
124                         sbuffer.append( cks[i].getText() );
125                         sbuffer.append("}");
126                         break;
127                     }
128                     case JRQueryChunk.TYPE_TEXT :
129                     default :
130                     {
131                         sbuffer.append( cks[i].getText() );
132                         break;
133                     }
134                 }
135             }
136
137             text = sbuffer.toString();
138         }
139         
140         return text;
141     }
142
143
144     public String JavaDoc getLanguage()
145     {
146         return language;
147     }
148     
149
150 }
151
Popular Tags