Joy of Patterns: Using Patterns for Enterprise Development, The

PartBuilder.java

 package ProductConfig; public class PartBuilder { public PartBuilder(PartList partList) { m_partList = partList; } public void beginPart(String name , String description ) { // We will use a composite part as the holding queue // if it turns out to be simple we will simply // transform it later m_pendingPart = new CompositePart(name,description); m_isComposite = false; } public void beginPart(String name , String description , double price) { // We will use a composite part as the holding queue // if it turns out to be simple we will simply // transform it later m_pendingPart = new CompositePart(name,description,price); m_isComposite = false; } public void endPart() { // if it's not composite transform it if (!m_isComposite) ...