001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
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022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
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030: * If you wish your version of this file to be governed by only the CDDL
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032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
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035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
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040: */
041: package org.netbeans.modules.sql.framework.codegen;
042:
043: import java.util.HashMap;
044: import java.util.Map;
045: import org.netbeans.modules.sql.framework.model.SQLObject;
046: import com.sun.sql.framework.exception.BaseException;
047:
048: /**
049: * @author Ritesh Adval
050: * @author Ahimanikya Satapathy
051: * @version $Revision$
052: */
053: public abstract class AbstractGeneratorFactory {
054:
055: public AbstractDB db;
056: private Map objectToGeneratorClassMap;
057: private Map<Integer, Generator> generatorMap = new HashMap<Integer, Generator>();
058: private StatementContext emptyContext = new StatementContext();
059:
060: public AbstractGeneratorFactory(AbstractDB database) {
061: this .db = database;
062: objectToGeneratorClassMap = initializeObjectToGeneratorMap();
063: }
064:
065: public String generate(SQLObject obj, StatementContext context)
066: throws BaseException {
067: String objectClass = obj.getClass().getName();
068: Integer objType = new Integer(obj.getObjectType());
069:
070: Generator generator = generatorMap.get(objType);
071:
072: if (generator == null) {
073: String className = (String) objectToGeneratorClassMap
074: .get(objType);
075: if (className != null) {
076: try {
077: Class cls = Class.forName(className);
078: generator = (Generator) cls.newInstance();
079: generator.setGeneratorFactory(this );
080: generatorMap.put(objType, generator);
081: } catch (ClassNotFoundException ex1) {
082: throw new BaseException(
083: "Cannot create an instance of Generator for object of class "
084: + objectClass, ex1);
085: } catch (InstantiationException ex2) {
086: throw new BaseException(
087: "Cannot create an instance of Generator for object of class "
088: + objectClass, ex2);
089: } catch (IllegalAccessException ex3) {
090: throw new BaseException(
091: "Cannot create an instance of Generator for object of class "
092: + objectClass, ex3);
093: }
094: }
095: }
096:
097: if (generator == null) {
098: throw new BaseException(
099: "Cannot create an instance of Generator for object of class "
100: + objectClass);
101: }
102:
103: if (context == null) {
104: context = emptyContext;
105: }
106:
107: return generator.generate(obj, context);
108: }
109:
110: public AbstractDB getDB() {
111: return db;
112: }
113:
114: public abstract Map initializeObjectToGeneratorMap();
115: }
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