Android的開發之&java23中設計模式------解釋器模式

public class Context {
    private String input;
    private String output;

    public String getInput() {
        return input;
    }

    public void setInput(String input) {
        this.input = input;
    }

    public String getOutput() {
        return output;
    }

    public void setOutput(String output) {
        this.output = output;
    }
}



public abstract class AbstractExpression {
    public abstract void Interpret(Context context);
}

public class TerminalExpression extends AbstractExpression {
    @Override
    public void Interpret(Context context) {
        context.setOutput("終端"+context.getInput());
        System.out.println(context.getInput() + "經過終端解釋器解釋爲：" + context.getOutput());
    }
}
public class NonterminalExpression extends AbstractExpression {
    @Override
    public void Interpret(Context context) {
        context.setOutput("非終端"+context.getInput());
        System.out.println(context.getInput() + "經過非終端解釋器解釋爲：" + context.getOutput());
    }
}

/**
 * 解釋器模式（Interpreter）
 */
public class InterpreterMethodActivityActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_interpreter_method_activity);

        Context context=new Context();
        context.setInput("AAA");

        AbstractExpression expression=new TerminalExpression();
        expression.Interpret(context);

        AbstractExpression expression1=new NonterminalExpression();
        expression1.Interpret(context);
    }
}

github地址：https://github.com/zyj18410105150/DesignMode