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.visualweb.dataconnectivity.sql;
042:
043: import java.sql.ResultSet;
044: import java.sql.SQLException;
045: import java.util.Locale;
046: import java.util.ResourceBundle;
047:
048: /**
049: *
050: * helper class used by ColumnMetaData and ProcedureColumnMetaData
051: *
052: * @author John Kline
053: */
054: class ColumnMetaDataHelper {
055:
056: private static ResourceBundle rb = ResourceBundle
057: .getBundle(
058: "org.netbeans.modules.visualweb.dataconnectivity.sql.Bundle",
059: Locale.getDefault());
060:
061: public static interface MetaIndex {
062: String getName();
063:
064: int getIndex();
065: }
066:
067: private Object[] metaValues;
068:
069: ColumnMetaDataHelper(MetaIndex[] metaIndicies, ResultSet resultSet)
070: throws SQLException {
071: int exceptionCount = 0;
072: SQLException firstException = null;
073: metaValues = new Object[metaIndicies.length];
074: for (int i = 0; i < metaIndicies.length; i++) {
075: try {
076: metaValues[i] = resultSet.getObject(metaIndicies[i]
077: .getName());
078: } catch (SQLException e) {
079: metaValues[i] = null;
080: exceptionCount++;
081: if (firstException == null) {
082: firstException = e;
083: }
084: }
085: }
086: if (exceptionCount == metaIndicies.length) {
087: throw firstException;
088: }
089: }
090:
091: Object getMetaInfo(MetaIndex metaIndex) throws SQLException {
092: int index = metaIndex.getIndex();
093: /* the following shouldn't happen with out type safety */
094: if (index < 0 || index > metaValues.length) {
095: throw new SQLException(rb.getString("NO_SUCH_INDEX") + ": "
096: + index); // NOI18N
097: }
098: return metaValues[index];
099: }
100:
101: String getMetaInfoAsString(MetaIndex metaIndex) throws SQLException {
102: Object o = getMetaInfo(metaIndex);
103: return (o == null) ? null : o.toString();
104: }
105: }
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