Spring Framework - org.springframework.core.io.ResourceLoader Examples

import org.springframework.core.io.DefaultResourceLoader;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import java.io.IOException;
import java.nio.file.Files;

public class ClasspathFileLoadingExample {
    public static void main(String[] args) throws IOException {
        ResourceLoader resourceLoader = new DefaultResourceLoader();
        Resource resource = resourceLoader.getResource("classpath:myFile.txt");
        byte[] bytes = Files.readAllBytes(resource.getFile().toPath());
        String fileContent = new String(bytes);
        System.out.println(fileContent);
    }
}

import org.springframework.core.io.DefaultResourceLoader;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import java.io.IOException;
import java.nio.file.Files;

public class FileUrlLoadingExample {
    public static void main(String[] args) throws IOException {
        ResourceLoader resourceLoader = new DefaultResourceLoader();
        Resource resource = resourceLoader.getResource("file:D:/test/myTestFile.txt");
        byte[] bytes = Files.readAllBytes(resource.getFile().toPath());
        String fileContent = new String(bytes);
        System.out.println(fileContent);
    }
}

import org.springframework.core.io.DefaultResourceLoader;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class HttpUrlLoading {
    public static void main(String[] args) throws IOException {
        ResourceLoader resourceLoader = new DefaultResourceLoader();
        Resource resource = resourceLoader.getResource("url:http://www.example.com");
        StringBuilder stringBuilder = new StringBuilder();
        try (BufferedReader reader = new BufferedReader(
                new InputStreamReader(resource.getInputStream()))) {
            reader.lines().forEach(stringBuilder::append);
        }
        System.out.println(stringBuilder.toString());
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.stereotype.Component;
import jakarta.annotation.PostConstruct;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;

@Component
public class ClientBean {
    @Autowired
    private ResourceLoader resourceLoader;

    @PostConstruct
    public void init() throws IOException {
        Resource resource = resourceLoader.getResource("classpath:myFile.txt");
        File file = resource.getFile();
        String s = new String(Files.readAllBytes(file.toPath()));
        System.out.println(s);
    }
}