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.db.sql.visualeditor.querymodel;
042:
043: import java.util.Collection;
044:
045: import org.netbeans.api.db.sql.support.SQLIdentifiers;
046:
047: /**
048: * Represents a SQL literal valus
049: */
050: public class Literal implements Value {
051:
052: // Fields
053:
054: private Object _value;
055:
056: // Constructors
057:
058: public Literal() {
059: }
060:
061: public Literal(Object value) {
062: _value = value;
063: }
064:
065: // Methods
066:
067: public String genText(SQLIdentifiers.Quoter quoter) {
068: return _value.toString();
069: }
070:
071: public String toString() {
072: return _value.toString();
073: }
074:
075: // Accessors/Mutators
076:
077: public Object getValue(SQLIdentifiers.Quoter quoter) {
078: return _value;
079: }
080:
081: //REVIEW: this should probably go away, and change Literal to not be a QueryItem?
082: public void getReferencedColumns(Collection columns) {
083: }
084:
085: public Expression findExpression(String table1, String column1,
086: String table2, String column2) {
087: return null;
088: }
089:
090: public boolean isParameterized() {
091: // Original version
092: // return _value.equals("?");
093:
094: // Expand prev version, to try to catch literals like "id = ?" or "id IN (?,?,?).
095: // return (_value.toString().indexOf("?") != -1 );
096:
097: // Prev version was also catching "id = '?'", which is a string, not a parameter. Exclude it.
098: // return (_value.toString().matches(".*[^']?[^']"));
099:
100: // Prev regexp had problems because ? was not escaped
101: // Return true if (a) string contains ? (b) string does not contain '?'
102: // This still gets other cases wrong, like ? in the middle of a string.
103: return (((_value.toString().indexOf("?")) != -1) && ((_value
104: .toString().indexOf("'?'")) == -1));
105: }
106:
107: public void renameTableSpec(String oldTableSpec, String corrName) {
108: }
109:
110: }
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