/* * Copyright (c) 2007-2008, Dennis M. Sosnoski. All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the * following conditions are met: * * Redistributions of source code must retain the above copyright notice, this list of conditions and the following * disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the * following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of * JiBX nor the names of its contributors may be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.jibx.schema.codegen; import org.eclipse.jdt.core.dom.CharacterLiteral; import org.eclipse.jdt.core.dom.Expression; import org.eclipse.jdt.core.dom.StringLiteral; /** * Abstract syntax tree expression builder base. This is used for expressions with multiple component operands. It adds * convenience methods and control information to the base builder. */ public abstract class ExpressionBuilderBase extends ASTBuilderBase { /** Source builder. */ protected final ClassBuilder m_source; /** Expression under construction. */ protected final Expression m_expression; /** * Constructor. * * @param source * @param expr */ public ExpressionBuilderBase(ClassBuilder source, Expression expr) { super(source.getAST()); m_source = source; m_expression = expr; } /** * Get expression. This is provided only for use by other classes in this package. * * @return expression */ Expression getExpression() { return m_expression; } /** * Add operand to expression. This must be implemented by each subclass to handle adding another operand. * * @param operand */ protected abstract void addOperand(Expression operand); /** * Add a local variable or field name operand to expression. * * @param name */ public void addVariableOperand(String name) { addOperand(m_ast.newSimpleName(name)); } /** * Add a string literal operand to expression. * * @param value */ public void addStringLiteralOperand(String value) { StringLiteral strlit = m_ast.newStringLiteral(); strlit.setLiteralValue(value); addOperand(strlit); } /** * Add a character literal operand to expression. * * @param value */ public void addCharacterLiteralOperand(char value) { CharacterLiteral literal = m_ast.newCharacterLiteral(); literal.setCharValue(value); addOperand(literal); } /** * Add a number literal operand to expression. * * @param value */ public void addNumberLiteralOperand(String value) { addOperand(m_ast.newNumberLiteral(value)); } /** * Add a null literal operand to expression. */ public void addNullOperand() { addOperand(m_ast.newNullLiteral()); } /** * Add another expression as an operand. * * @param builder expression builder */ public void addOperand(ExpressionBuilderBase builder) { addOperand(builder.m_expression); } }