Source Code Cross Referenced for JRDesignQuery.java in  » Report » jasperreports-2.0.1 » net » sf » jasperreports » engine » design » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Report » jasperreports 2.0.1 » net.sf.jasperreports.engine.design 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * ============================================================================
003:         * GNU Lesser General Public License
004:         * ============================================================================
005:         *
006:         * JasperReports - Free Java report-generating library.
007:         * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
008:         * 
009:         * This library is free software; you can redistribute it and/or
010:         * modify it under the terms of the GNU Lesser General Public
011:         * License as published by the Free Software Foundation; either
012:         * version 2.1 of the License, or (at your option) any later version.
013:         * 
014:         * This library is distributed in the hope that it will be useful,
015:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
016:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
017:         * Lesser General Public License for more details.
018:         * 
019:         * You should have received a copy of the GNU Lesser General Public
020:         * License along with this library; if not, write to the Free Software
021:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
022:         * 
023:         * JasperSoft Corporation
024:         * 303 Second Street, Suite 450 North
025:         * San Francisco, CA 94107
026:         * http://www.jaspersoft.com
027:         */
028:        package net.sf.jasperreports.engine.design;
029:
030:        import java.beans.PropertyChangeListener;
031:        import java.beans.PropertyChangeSupport;
032:        import java.util.ArrayList;
033:        import java.util.List;
034:
035:        import net.sf.jasperreports.engine.JRConstants;
036:        import net.sf.jasperreports.engine.JRQueryChunk;
037:        import net.sf.jasperreports.engine.base.JRBaseQuery;
038:        import net.sf.jasperreports.engine.util.JRQueryChunkHandler;
039:        import net.sf.jasperreports.engine.util.JRQueryParser;
040:
041:        /**
042:         * @author Teodor Danciu (teodord@users.sourceforge.net)
043:         * @version $Id: JRDesignQuery.java 1683 2007-03-29 16:04:15Z lucianc $
044:         */
045:        public class JRDesignQuery extends JRBaseQuery {
046:            /** Property change support mechanism. */
047:            private transient PropertyChangeSupport propSupport;
048:
049:            /**
050:             *
051:             */
052:            private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
053:
054:            public static final String PROPERTY_LANGUAGE = "language";
055:
056:            /**
057:             *
058:             */
059:            protected List chunks = new ArrayList();
060:
061:            private transient final JRQueryChunkHandler chunkAdder = new JRQueryChunkHandler() {
062:                public void handleParameterChunk(String text) {
063:                    addParameterChunk(text);
064:                }
065:
066:                public void handleParameterClauseChunk(String text) {
067:                    addParameterClauseChunk(text);
068:                }
069:
070:                public void handleTextChunk(String text) {
071:                    addTextChunk(text);
072:                }
073:
074:                public void handleClauseChunk(String[] tokens) {
075:                    addClauseChunk(tokens);
076:                }
077:            };
078:
079:            /**
080:             *
081:             */
082:            public JRQueryChunk[] getChunks() {
083:                JRQueryChunk[] chunkArray = null;
084:
085:                if (chunks != null && chunks.size() > 0) {
086:                    chunkArray = new JRQueryChunk[chunks.size()];
087:                    chunks.toArray(chunkArray);
088:                }
089:
090:                return chunkArray;
091:            }
092:
093:            /**
094:             *
095:             */
096:            public void setChunks(List chunks) {
097:                this .chunks = chunks;
098:            }
099:
100:            /**
101:             *
102:             */
103:            public void addChunk(JRDesignQueryChunk chunk) {
104:                this .chunks.add(chunk);
105:            }
106:
107:            /**
108:             *
109:             */
110:            public void addTextChunk(String text) {
111:                JRDesignQueryChunk chunk = new JRDesignQueryChunk();
112:                chunk.setType(JRQueryChunk.TYPE_TEXT);
113:                chunk.setText(text);
114:
115:                this .chunks.add(chunk);
116:            }
117:
118:            /**
119:             *
120:             */
121:            public void addParameterChunk(String text) {
122:                JRDesignQueryChunk chunk = new JRDesignQueryChunk();
123:                chunk.setType(JRQueryChunk.TYPE_PARAMETER);
124:                chunk.setText(text);
125:
126:                this .chunks.add(chunk);
127:            }
128:
129:            /**
130:             *
131:             */
132:            public void addParameterClauseChunk(String text) {
133:                JRDesignQueryChunk chunk = new JRDesignQueryChunk();
134:                chunk.setType(JRQueryChunk.TYPE_PARAMETER_CLAUSE);
135:                chunk.setText(text);
136:
137:                this .chunks.add(chunk);
138:            }
139:
140:            /**
141:             * Adds a {@link JRQueryChunk#TYPE_CLAUSE_TOKENS clause chunk} to the query.
142:             * 
143:             * @param tokens the clause tokens
144:             * @see JRDesignQueryChunk#setTokens(String[])
145:             */
146:            public void addClauseChunk(String[] tokens) {
147:                JRDesignQueryChunk chunk = new JRDesignQueryChunk();
148:                chunk.setType(JRQueryChunk.TYPE_CLAUSE_TOKENS);
149:                chunk.setTokens(tokens);
150:
151:                this .chunks.add(chunk);
152:            }
153:
154:            /**
155:             *
156:             */
157:            public void setText(String text) {
158:                chunks = new ArrayList();
159:                JRQueryParser.instance().parse(text, chunkAdder);
160:            }
161:
162:            /**
163:             * Sets the query language.
164:             * 
165:             * @param language the query language
166:             * @see net.sf.jasperreports.engine.JRQuery#getLanguage()
167:             */
168:            public void setLanguage(String language) {
169:                String oldValue = this .language;
170:                this .language = language;
171:                getPropertyChangeSupport().firePropertyChange(
172:                        PROPERTY_LANGUAGE, oldValue, this .language);
173:            }
174:
175:            /**
176:             * Get the property change support object for this class.  Because the
177:             * property change support object has to be transient, it may need to be
178:             * created.
179:             * 
180:             * @return the property change support object.
181:             */
182:            protected PropertyChangeSupport getPropertyChangeSupport() {
183:                if (propSupport == null) {
184:                    propSupport = new PropertyChangeSupport(this );
185:                }
186:                return propSupport;
187:            }
188:
189:            /**
190:             * Add a property listener to listen to all properties of this class.
191:             * @param l The property listener to add.
192:             * @see #removePropertyChangeListener(PropertyChangeListener)
193:             */
194:            public void addPropertyChangeListener(PropertyChangeListener l) {
195:                getPropertyChangeSupport().addPropertyChangeListener(l);
196:            }
197:
198:            /**
199:             * Add a property listener to receive property change events for only one specific
200:             * property.
201:             * @param propName The property to listen to.
202:             * @param l The property listener to add.
203:             * @see #removePropertyChangeListener(String, PropertyChangeListener)
204:             */
205:            public void addPropertyChangeListener(String propName,
206:                    PropertyChangeListener l) {
207:                getPropertyChangeSupport().addPropertyChangeListener(propName,
208:                        l);
209:            }
210:
211:            /**
212:             * Remove a property change listener registered for all properties.
213:             * 
214:             * This will only remove listeners that were added through the 
215:             * {@link #addPropertyChangeListener(PropertyChangeListener) addPropertyChangeListener(PropertyChangeListener)}
216:             * method.
217:             * 
218:             * @param l The listener to remove.
219:             */
220:            public void removePropertyChangeListener(PropertyChangeListener l) {
221:                getPropertyChangeSupport().removePropertyChangeListener(l);
222:            }
223:
224:            /**
225:             * Remove a property change listener registered for a specific property.
226:             * 
227:             * @param propName The property to listen to.
228:             * @param l The listener to remove.
229:             */
230:            public void removePropertyChangeListener(String propName,
231:                    PropertyChangeListener l) {
232:                getPropertyChangeSupport().removePropertyChangeListener(
233:                        propName, l);
234:            }
235:        }
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