Bind Abstract Module - Java Library

Java examples for Library:Guice

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Description

Bind Abstract Module

Demo Code

package com.athena.binding.linked;

import com.google.inject.AbstractModule;
import com.google.inject.Guice;
import com.google.inject.Inject;
import com.google.inject.Injector;

public class Example02 {
    public static void main(String[] args) {
        Injector injector = Guice.createInjector(new FormatterModule());

        Formatter formatter = injector.getInstance(Formatter.class);
        Displayer displayer = new Displayer(formatter);
        displayer.display("hello world");
    }/*ww  w .  ja v a  2  s.c om*/

    private static class FormatterModule extends AbstractModule {
        @Override
        protected void configure() {
            bind(Formatter.class).to(HtmlFormatter.class);
        }
    }

    private static class Displayer {

        private final Formatter formatter;

        @Inject
        public Displayer(Formatter formatter) {
            this.formatter = formatter;
        }

        public void display(String input) {
            System.out.println(formatter.format(input));
        }
    }

    private static interface Formatter {
        String format(String input);
    }

    private static class HtmlFormatter implements Formatter {
        public String format(String input) {
            return "<html>" + input + "</html>";
        }
    }
}

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