|
1
21 package oracle.toplink.essentials.internal.expressions;
23
24 import java.io.*;
25 import java.math.*;
26 import java.util.Calendar  ;
27 import oracle.toplink.essentials.internal.databaseaccess.*;
28 import oracle.toplink.essentials.internal.helper.ClassConstants;
29 import oracle.toplink.essentials.internal.helper.ConversionManager;
30
31
39 public class ExpressionJavaPrinter {
40
41 protected StringWriter writer;
43
44 protected String builderString;
46
47 protected DatabasePlatform platform;
49
50 public ExpressionJavaPrinter(String builderString, StringWriter writer, DatabasePlatform platform) {
51 this.builderString = builderString;
52 this.writer = writer;
53 this.platform = platform;
54 }
55
56 public String getBuilderString() {
57 return builderString;
58 }
59
60 public DatabasePlatform getPlatform() {
61 return platform;
62 }
63
64 public StringWriter getWriter() {
65 return writer;
66 }
67
68 public void printString(String value) {
69 getWriter().write(value);
70 }
71
72 public void printJava(Object object) {
74 if (object == null) {
75 printString("null");
76 } else if (object.getClass() == ClassConstants.STRING) {
77 printString("\"");
78 printString((String )object);
79 printString("\"");
80 } else if (object instanceof Calendar ) {
81 printString("new java.util.Date(");
82 printString(String.valueOf(((Calendar )object).getTimeInMillis()));
83 printString("L)");
84 } else if (object.getClass() == ClassConstants.TIMESTAMP) {
85 printString("new java.sql.Timestamp(");
86 printString(String.valueOf(((java.sql.Timestamp )object).getTime()));
87 printString("L)");
88 } else if (object.getClass() == ClassConstants.SQLDATE) {
89 printString("new java.sql.Date(");
90 printString(String.valueOf(((java.sql.Date )object).getTime()));
91 printString("L)");
92 } else if (object.getClass() == ClassConstants.TIME) {
93 printString("new java.sql.Time(");
94 printString(String.valueOf(((java.sql.Time )object).getTime()));
95 printString("L)");
96 } else if (object.getClass() == ClassConstants.UTILDATE) {
97 printString("new java.util.Date(");
98 printString(String.valueOf(((java.util.Date )object).getTime()));
99 printString("L)");
100 } else if (object.getClass() == ClassConstants.BYTE) {
101 printByte((Byte )object);
102 } else if (object.getClass() == ClassConstants.APBYTE) {
103 printString("new byte[] {");
104 byte[] bytes = (byte[])object;
105 if (bytes.length > 0) {
106 printString(String.valueOf((int)bytes[0]));
107 for (int index = 1; index < bytes.length; index++) {
108 printString(",");
109 printString(String.valueOf((int)bytes[index]));
110 }
111 }
112 printString("}");
113 } else if (object.getClass() == ClassConstants.ABYTE) {
114 printString("new Byte[] {");
115 Byte [] bytes = (Byte [])object;
116 if (bytes.length > 0) {
117 printByte(bytes[0]);
118 for (int index = 1; index < bytes.length; index++) {
119 printString(",");
120 printByte(bytes[index]);
121 }
122 }
123 printString("}");
124 } else if (object.getClass() == ClassConstants.CHAR) {
125 printCharacter((Character )object);
126 } else if (object.getClass() == ClassConstants.APCHAR) {
127 printString("new char[] {");
128 char[] chars = (char[])object;
129 if (chars.length > 0) {
130 printString("'");
131 printString(String.valueOf(chars[0]));
132 printString("'");
133 for (int index = 1; index < chars.length; index++) {
134 printString(",");
135 printString("'");
136 printString(String.valueOf(chars[index]));
137 printString("'");
138 }
139 }
140 printString("}");
141 } else if (object.getClass() == ClassConstants.ACHAR) {
142 printString("new Character[] {");
143 Character [] chars = (Character [])object;
144 if (chars.length > 0) {
145 printCharacter(chars[0]);
146 for (int index = 1; index < chars.length; index++) {
147 printString(",");
148 printCharacter(chars[index]);
149 }
150 }
151 printString("}");
152 } else if (object.getClass() == ClassConstants.BIGDECIMAL) {
153 printString("new java.math.BigDecimal(\"");
154 printString(((BigDecimal)object).toString());
155 printString("\")");
156 } else if (object.getClass() == ClassConstants.BIGINTEGER) {
157 printString("new java.math.BigInteger(\"");
158 printString(((BigInteger)object).toString());
159 printString("\")");
160 } else {
161 printString((String )ConversionManager.getDefaultManager().convertObject(object, String .class));
162 }
163
164 }
165
166 public void printByte(Byte aByte) {
167 printString("new Byte((byte)");
168 printString((aByte).toString());
169 printString(")");
170 }
171
172 public void printCharacter(Character aCharacter) {
173 printString("new Character('");
174 printString((aCharacter).toString());
175 printString("')");
176 }
177 }
178 |
Popular Tags |
Java API By Example, From Geeks To Geeks.