| /* |
| * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.internal.expressions; |
| |
| import java.io.*; |
| import java.util.Calendar; |
| import org.eclipse.persistence.internal.databaseaccess.*; |
| import org.eclipse.persistence.internal.helper.ClassConstants; |
| import org.eclipse.persistence.internal.helper.ConversionManager; |
| |
| /** |
| * <p><b>Purpose</b>: Expression Java printer. |
| * <p><b>Responsibilities</b>:<ul> |
| * <li> Print an expression in Java format. |
| * <li> Used in project class generation. |
| * </ul> |
| * @since TOPLink10.1.3 |
| */ |
| public class ExpressionJavaPrinter { |
| |
| // What we write on |
| protected StringWriter writer; |
| |
| // ExpressionBuilder string, e.g. expBuilder |
| protected String builderString; |
| |
| // Database platform for the project |
| protected DatabasePlatform platform; |
| |
| public ExpressionJavaPrinter(String builderString, StringWriter writer, DatabasePlatform platform) { |
| this.builderString = builderString; |
| this.writer = writer; |
| this.platform = platform; |
| } |
| |
| public String getBuilderString() { |
| return builderString; |
| } |
| |
| public DatabasePlatform getPlatform() { |
| return platform; |
| } |
| |
| public StringWriter getWriter() { |
| return writer; |
| } |
| |
| public void printString(String value) { |
| getWriter().write(value); |
| } |
| |
| //Used to convert a java object to java print format |
| public void printJava(Object object) { |
| if (object == null) { |
| printString("null"); |
| } else if (object.getClass() == ClassConstants.STRING) { |
| printString("\""); |
| printString((String)object); |
| printString("\""); |
| } else if (object instanceof Calendar) { |
| printString("new java.util.Date("); |
| printString(String.valueOf(((Calendar)object).getTimeInMillis())); |
| printString("L)"); |
| } else if (object.getClass() == ClassConstants.TIMESTAMP) { |
| printString("new java.sql.Timestamp("); |
| printString(String.valueOf(((java.sql.Timestamp)object).getTime())); |
| printString("L)"); |
| } else if (object.getClass() == ClassConstants.SQLDATE) { |
| printString("new java.sql.Date("); |
| printString(String.valueOf(((java.sql.Date)object).getTime())); |
| printString("L)"); |
| } else if (object.getClass() == ClassConstants.TIME) { |
| printString("new java.sql.Time("); |
| printString(String.valueOf(((java.sql.Time)object).getTime())); |
| printString("L)"); |
| } else if (object.getClass() == ClassConstants.UTILDATE) { |
| printString("new java.util.Date("); |
| printString(String.valueOf(((java.util.Date)object).getTime())); |
| printString("L)"); |
| } else if (object.getClass() == ClassConstants.BYTE) { |
| printByte((Byte)object); |
| } else if (object.getClass() == ClassConstants.APBYTE) { |
| printString("new byte[] {"); |
| byte[] bytes = (byte[])object; |
| if (bytes.length > 0) { |
| printString(String.valueOf(bytes[0])); |
| for (int index = 1; index < bytes.length; index++) { |
| printString(","); |
| printString(String.valueOf(bytes[index])); |
| } |
| } |
| printString("}"); |
| } else if (object.getClass() == ClassConstants.ABYTE) { |
| printString("new Byte[] {"); |
| Byte[] bytes = (Byte[])object; |
| if (bytes.length > 0) { |
| printByte(bytes[0]); |
| for (int index = 1; index < bytes.length; index++) { |
| printString(","); |
| printByte(bytes[index]); |
| } |
| } |
| printString("}"); |
| } else if (object.getClass() == ClassConstants.CHAR) { |
| printCharacter((Character)object); |
| } else if (object.getClass() == ClassConstants.APCHAR) { |
| printString("new char[] {"); |
| char[] chars = (char[])object; |
| if (chars.length > 0) { |
| printString("'"); |
| printString(String.valueOf(chars[0])); |
| printString("'"); |
| for (int index = 1; index < chars.length; index++) { |
| printString(","); |
| printString("'"); |
| printString(String.valueOf(chars[index])); |
| printString("'"); |
| } |
| } |
| printString("}"); |
| } else if (object.getClass() == ClassConstants.ACHAR) { |
| printString("new Character[] {"); |
| Character[] chars = (Character[])object; |
| if (chars.length > 0) { |
| printCharacter(chars[0]); |
| for (int index = 1; index < chars.length; index++) { |
| printString(","); |
| printCharacter(chars[index]); |
| } |
| } |
| printString("}"); |
| } else if (object.getClass() == ClassConstants.BIGDECIMAL) { |
| printString("new java.math.BigDecimal(\""); |
| printString(object.toString()); |
| printString("\")"); |
| } else if (object.getClass() == ClassConstants.BIGINTEGER) { |
| printString("new java.math.BigInteger(\""); |
| printString(object.toString()); |
| printString("\")"); |
| } else { |
| printString(ConversionManager.getDefaultManager().convertObject(object, String.class)); |
| } |
| |
| } |
| |
| public void printByte(Byte aByte) { |
| printString("Byte.valueOf((byte)"); |
| printString((aByte).toString()); |
| printString(")"); |
| } |
| |
| public void printCharacter(Character aCharacter) { |
| printString("Character.valueOf('"); |
| printString((aCharacter).toString()); |
| printString("')"); |
| } |
| } |