private void generateFieldAccessor()

in activemq-protobuf/src/main/java/org/apache/activemq/protobuf/compiler/AltJavaGenerator.java [1781:1949]

• 146 lines of code
• 12 McCabe index (conditional complexity)

    private void generateFieldAccessor(String beanClassName, FieldDescriptor field) {
        
        String lname = lCamel(field.getName());
        String uname = uCamel(field.getName());
        String type = field.getRule()==FieldDescriptor.REPEATED_RULE ? javaCollectionType(field):javaType(field);
        String typeDefault = javaTypeDefault(field);
        boolean primitive = field.getTypeDescriptor()==null || field.getTypeDescriptor().isEnum();
        boolean repeated = field.getRule()==FieldDescriptor.REPEATED_RULE;

        // Create the fields..
        p("// " + field.getRule() + " " + field.getType() + " " + field.getName() + " = " + field.getTag() + ";");
        
        if( repeated ) {
            p("private java.util.List<" + type + "> f_" + lname + ";");
            p();
            
            // Create the field accessors
            p("public boolean has" + uname + "() {");
            indent();
            p("return bean.f_" + lname + "!=null && !bean.f_" + lname + ".isEmpty();");
            unindent();
            p("}");
            p();

            p("public java.util.List<" + type + "> get" + uname + "List() {");
            indent();
            p("return bean.f_" + lname + ";");
            unindent();
            p("}");
            p();

            p("public java.util.List<" + type + "> create" + uname + "List() {");
            indent();
            p("copyCheck();");
            p("if( this.f_" + lname + " == null ) {");
            indent();
            p("this.f_" + lname + " = new java.util.ArrayList<" + type + ">();");
            unindent();
            p("}");
            p("return bean.f_" + lname + ";");
            unindent();
            p("}");
            p();
            
            p("public "+beanClassName+" set" + uname + "List(java.util.List<" + type + "> " + lname + ") {");
            indent();
          	p("copyCheck();");
            p("this.f_" + lname + " = " + lname + ";");
            p("return this;");
            unindent();
            p("}");
            p();
            
            p("public int get" + uname + "Count() {");
            indent();
            p("if( bean.f_" + lname + " == null ) {");
            indent();
            p("return 0;");
            unindent();
            p("}");
            p("return bean.f_" + lname + ".size();");
            unindent();
            p("}");
            p();
            
            p("public " + type + " get" + uname + "(int index) {");
            indent();
            p("if( bean.f_" + lname + " == null ) {");
            indent();
            p("return null;");
            unindent();
            p("}");
            p("return bean.f_" + lname + ".get(index);");
            unindent();
            p("}");
            p();
                            
            p("public "+beanClassName+" set" + uname + "(int index, " + type + " value) {");
            indent();
            p("this.create" + uname + "List().set(index, value);");
            p("return this;");
            unindent();
            p("}");
            p();
            
            p("public "+beanClassName+" add" + uname + "(" + type + " value) {");
            indent();
            p("this.create" + uname + "List().add(value);");
            p("return this;");
            unindent();
            p("}");
            p();
            
            p("public "+beanClassName+" addAll" + uname + "(java.lang.Iterable<? extends " + type + "> collection) {");
            indent();
            p("org.apache.activemq.protobuf.MessageBufferSupport.addAll(collection, this.create" + uname + "List());");
            p("return this;");
            unindent();
            p("}");
            p();

            p("public void clear" + uname + "() {");
            indent();
          	p("copyCheck();");
            p("this.f_" + lname + " = null;");
            unindent();
            p("}");
            p();

        } else {
            
            p("private " + type + " f_" + lname + " = "+typeDefault+";");
            if (primitive) {
                p("private boolean b_" + lname + ";");
            }
            p();
            
            // Create the field accessors
            p("public boolean has" + uname + "() {");
            indent();
            if (primitive) {
                p("return bean.b_" + lname + ";");
            } else {
                p("return bean.f_" + lname + "!=null;");
            }
            unindent();
            p("}");
            p();

            p("public " + type + " get" + uname + "() {");
            indent();
            p("return bean.f_" + lname + ";");
            unindent();
            p("}");
            p();

            p("public "+beanClassName+" set" + uname + "(" + type + " " + lname + ") {");
            indent();
          	p("copyCheck();");
            if (primitive) {
                if( auto_clear_optional_fields && field.isOptional() ) {
                    if( field.isStringType() && !"null".equals(typeDefault)) {
                        p("this.b_" + lname + " = ("+lname+" != "+typeDefault+");");
                    } else {
                        p("this.b_" + lname + " = ("+lname+" != "+typeDefault+");");
                    }
                } else {
                    p("this.b_" + lname + " = true;");
                }
            }
            p("this.f_" + lname + " = " + lname + ";");
            p("return this;");
            unindent();
            p("}");
            p();

            p("public void clear" + uname + "() {");
            indent();
          	p("copyCheck();");
            if (primitive) {
                p("this.b_" + lname + " = false;");
            }
            p("this.f_" + lname + " = " + typeDefault + ";");
            unindent();
            p("}");
            p();
        }

    }