예제 4-5는 자바 설정 클래스와 @Scope 애너테이션의 사용을 보여준다. XML, 애너테이션 또는 자바 설정 클래스 중 어느 것을 사용하든 이러한 설정은 모두 유사하다.

 예제 4-5 MyDocumentsContext.java

package com.apress.isf.spring.config;

 

import java.util.HashMap;

import java.util.Map;

 

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import org.springframework.context.annotation.Scope;

 

import com.apress.isf.java.model.Document;

import com.apress.isf.java.model.Type;

import com.apress.isf.java.service.SearchEngine;

import com.apress.isf.spring.data.DocumentDAO;

import com.apress.isf.spring.data.DocumentRepository;

import com.apress.isf.spring.service.SearchEngineService;

 

@Configuration

public class MyDocumentsContext {

 

private static final Logger log =

LoggerFactory.getLogger(MyDocumentsContext.class);

 

private Map<String, Document> documents = new HashMap<String, Document>();

private Map<String, Type> types = new HashMap<String, Type>();

 

@Bean

public Type webType() {

return getTypeFromMap("web");

}

 

@Bean

@Scope("prototype")

public SearchEngine engine() {

SearchEngineService engine = new SearchEngineService();

engine.setDocumentDAO(documentDAO());

 

if (log.isDebugEnabled())

log.debug("SearchEngine created: " + engine);

 

return engine;

}

 

public MyDocumentsContext() {

Type type = new Type();

type.setName("PDF");

type.setDesc("Portable Document Format");

type.setExtension(".pdf");

 

Document document = new Document();

document.setName("Book Template");

document.setType(type);

document.setLocation("/Users/felipeg/Documents/Random/Book Template.pdf");

 

documents.put("doc1", document);

types.put("pdf", type);

 

document = new Document();

document.setName("Sample Contract");

document.setType(type);

document.setLocation(

"/Users/felipeg/Documents/Contracts/Sample Contract.pdf");

 

documents.put("doc2", document);

 

type = new Type();

type.setName("NOTE");

type.setDesc("Text Notes");

type.setExtension(".txt");

 

document = new Document();

document.setName("Clustering with RabbitMQ");

document.setType(type);

document.setLocation(

"/Users/felipeg/Documents/Random/Clustering with RabbitMQ.txt");

 

documents.put("doc3", document);

types.put("note", type);

 

type = new Type();

type.setName("WEB");

type.setDesc("Web Link");

type.setExtension(".url");

 

document = new Document();

document.setName("Pro Spring Security Book");

document.setType(type);

document.setLocation("http://www.apress.com/9781430248187");

 

documents.put("doc4", document);

types.put("web", type);

}

 

private DocumentDAO documentDAO() {

DocumentRepository documentDAO = new DocumentRepository();

documentDAO.setDoc1(getDocumentFromMap("doc1"));

documentDAO.setDoc2(getDocumentFromMap("doc2"));

documentDAO.setDoc3(getDocumentFromMap("doc3"));

documentDAO.setDoc4(getDocumentFromMap("doc4"));

return documentDAO;

}

 

private Document getDocumentFromMap(String documentKey) {

return documents.get(documentKey);

}

 

private Type getTypeFromMap(String typeKey) {

return types.get(typeKey);

}

 

}

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유닛 테스트를 수행하면 동일한 결과를 얻는다. 4장의 부록 소스 코드에서 각각의 유닛 테스트를 찾을 수 있다.