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
021: * your own identifying information:
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
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
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
034: * single choice of license, a recipient has the option to distribute
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
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041: package org.netbeans.modules.sql.framework.codegen;
042:
043: import java.util.Map;
044: import org.netbeans.modules.sql.framework.common.jdbc.SQLUtils;
045:
046: /**
047: * @author Ritesh Adval
048: * @author Ahimanikya Satapathy
049: * @version $Revision$
050: */
051: public abstract class AbstractTypeGenerator implements TypeGenerator {
052:
053: /* Log4J cateogry */
054: private static final String LOG_CATEGORY = AbstractTypeGenerator.class
055: .getName();
056: private Map supportedJdbcType = null;
057:
058: public abstract Map createSupportedDataTypesMap();
059:
060: public AbstractTypeGenerator() {
061: this .supportedJdbcType = createSupportedDataTypesMap();
062: }
063:
064: public String generate(int jdbcType, int precision, int scale) {
065: String result = this .getCompatibleDataTypeName(jdbcType);
066: if (precision > 0 && isPrecisionRequired(jdbcType)) {
067: result += "(" + precision;
068: if (scale > 0 && isScaleRequired(jdbcType)) {
069: result += ", " + scale + ")";
070: } else {
071: result += ")";
072: }
073: }
074: return result;
075: }
076:
077: public String getCompatibleDataTypeName(int jdbcType) {
078: DataType dataType = (DataType) supportedJdbcType
079: .get(new Integer(jdbcType));
080:
081: if (dataType != null) {
082: return dataType.getDataTypeName();
083: }
084: throw new IllegalArgumentException(LOG_CATEGORY
085: + " - Unsupported SQL datatype supplied: " + jdbcType);
086: }
087:
088: public int getCompatibleJdbcType(int jdbcType)
089: throws IllegalArgumentException {
090: DataType dataType = (DataType) supportedJdbcType
091: .get(new Integer(jdbcType));
092:
093: if (dataType != null) {
094: return dataType.getJdbcType();
095: }
096: throw new IllegalArgumentException(LOG_CATEGORY
097: + " - Unsupported SQL datatype supplied: " + jdbcType);
098: }
099:
100: public boolean isPrecisionRequired(int jdbcType) {
101: return SQLUtils.isPrecisionRequired(jdbcType);
102: }
103:
104: public boolean isScaleRequired(int type) {
105: return SQLUtils.isScaleRequired(type);
106: }
107: }
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