001: /*
002: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003: *
004: * This file is part of Resin(R) Open Source
005: *
006: * Each copy or derived work must preserve the copyright notice and this
007: * notice unmodified.
008: *
009: * Resin Open Source is free software; you can redistribute it and/or modify
010: * it under the terms of the GNU General Public License as published by
011: * the Free Software Foundation; either version 2 of the License, or
012: * (at your option) any later version.
013: *
014: * Resin Open Source is distributed in the hope that it will be useful,
015: * but WITHOUT ANY WARRANTY; without even the implied warranty of
016: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017: * of NON-INFRINGEMENT. See the GNU General Public License for more
018: * details.
019: *
020: * You should have received a copy of the GNU General Public License
021: * along with Resin Open Source; if not, write to the
022: * Free Software Foundation, Inc.
023: * 59 Temple Place, Suite 330
024: * Boston, MA 02111-1307 USA
025: *
026: * @author Scott Ferguson
027: */
028:
029: package com.caucho.amber.type;
030:
031: import com.caucho.java.JavaWriter;
032: import com.caucho.util.L10N;
033:
034: import java.io.IOException;
035: import java.sql.PreparedStatement;
036: import java.sql.ResultSet;
037: import java.sql.SQLException;
038:
039: /**
040: * The type of a property.
041: */
042: public class ByteArrayType extends ArrayType {
043: private static final L10N L = new L10N(ByteArrayType.class);
044:
045: private ByteArrayType() {
046: }
047:
048: /**
049: * Returns the singleton ByteArray type.
050: */
051: public static ByteArrayType create() {
052: return new ByteArrayType();
053: }
054:
055: /**
056: * Returns the type name.
057: */
058: public String getName() {
059: return "java.lang.Byte[]";
060: }
061:
062: /**
063: * Returns the java type.
064: */
065: public String getJavaTypeName() {
066: return "java.lang.Byte[]";
067: }
068:
069: /**
070: * Returns the java type for a single entry.
071: */
072: public String getJavaObjectTypeName() {
073: return "java.lang.Byte";
074: }
075:
076: /**
077: * Returns the corresponding primitive array
078: * type name.
079: */
080: public String getPrimitiveArrayTypeName() {
081: return "byte[]";
082: }
083:
084: /**
085: * Generates a string to load the property.
086: */
087: public int generateLoad(JavaWriter out, String rs, String indexVar,
088: int index) throws IOException {
089: out.print(rs + ".getBytes(" + indexVar + " + " + index + ")");
090:
091: return index + 1;
092: }
093:
094: /**
095: * Generates a string to set the property.
096: */
097: public void generateSet(JavaWriter out, String pstmt, String index,
098: String value) throws IOException {
099: out.println("if (" + value + " == null)");
100: out.println(" " + pstmt + ".setNull(" + index
101: + "++, java.sql.Types.LONGVARBINARY);");
102: out.println("else {");
103: out.println(" java.lang.Byte[] super_temp_" + index + " = "
104: + value + ";");
105: out.println(" byte[] temp_" + index
106: + " = new byte[super_temp_" + index + ".length];");
107: out.println(" for (int i=0; i < temp_" + index
108: + ".length; i++)");
109: out.println(" temp_" + index + "[i] = super_temp_" + index
110: + "[i].byteValue();");
111: out.println(" " + pstmt + ".setBytes(" + index + "++, temp_"
112: + index + ");");
113: out.println("}");
114: }
115:
116: /**
117: * Sets the value.
118: */
119: public void setParameter(PreparedStatement pstmt, int index,
120: Object value) throws SQLException {
121: Byte[] wrapperByte = (Byte[]) value;
122:
123: byte[] primitiveByte = new byte[wrapperByte.length];
124: for (int i = 0; i < wrapperByte.length; i++)
125: primitiveByte[i] = wrapperByte[i].byteValue();
126:
127: pstmt.setBytes(index, primitiveByte);
128: }
129:
130: /**
131: * Gets the value.
132: */
133: public Object getObject(ResultSet rs, int index)
134: throws SQLException {
135: byte[] primitiveByte = rs.getBytes(index);
136:
137: if (rs.wasNull())
138: return null;
139:
140: Byte[] wrapperByte = new Byte[primitiveByte.length];
141: for (int i = 0; i < primitiveByte.length; i++)
142: wrapperByte[i] = new Byte(primitiveByte[i]);
143:
144: return wrapperByte;
145: }
146: }
|