spring源代码

package cn.javass.spring.chapter4; import java.io.File; import java.io.IOException; import junit.framework.Assert; import org.jboss.vfs.VFS; import org.jboss.vfs.VirtualFile; import org.jboss.vfs.spi.RealFileSystem; import org.junit.Test; import org.springframework.core.io.Resource; import org.springframework.core.io.support.PathMatchingResourcePatternResolver; import org.springframework.core.io.support.ResourcePatternResolver; @SuppressWarnings("all") public class ResourcePatternTest { @Test public void testClasspathPrefix() throws IOException { ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver(); //只加载一个绝对匹配Resource，且通过ResourceLoader.getResource进行加载 Resource[] resources = resolver.getResources("classpath:META-INF/INDEX.LIST"); Assert.assertEquals(1, resources.length); //只加载一个匹配的Resource，且通过ResourceLoader.getResource进行加载 resources = resolver.getResources("classpath:META-INF/*.LIST"); Assert.assertTrue(resources.length == 1); //只加载一个绝对匹配Resource，且通过ResourceLoader.getResource进行加载 resources = resolver.getResources("classpath:META-INF/MANIFEST.MF"); Assert.assertEquals(1, resources.length); } @Test public void testClasspathAsteriskPrefix() throws IOException { ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver(); //将加载多个绝对匹配的所有Resource //将首先通过ClassLoader.getResources("META-INF")加载非模式路径部分 //然后进行遍历模式匹配 Resource[] resources = resolver.getResources("classpath*:META-INF/INDEX.LIST"); Assert.assertTrue(resources.length > 1); //将加载多个模式匹配的Resource resources = resolver.getResources("classpath*:META-INF/*.LIST"); Assert.assertTrue(resources.length > 1); } @Test public void testClasspathAsteriskPrefixLimit() throws IOException { ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver(); //将首先通过ClassLoader.getResources("")加载目录， //将只返回文件系统的类路径不返回jar的跟路径 //然后进行遍历模式匹配 Resource[] resources = resolver.getResources("classpath*:asm-*.txt"); Assert.assertTrue(resources.length == 0); //将通过ClassLoader.getResources("asm-license.txt")加载 //asm-license.txt存在于com.springsource.net.sf.cglib-2.2.0.jar resources = resolver.getResources("classpath*:asm-license.txt"); Assert.assertTrue(resources.length > 0); //将只加载文件系统类路径匹配的Resource resources = resolver.getResources("classpath*:LICENS*"); Assert.assertTrue(resources.length == 1); } @Test public void testFilekPrefix() throws IOException { ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver(); Resource[] resources = resolver.getResources("file:D:/*.txt"); Assert.assertTrue(resources.length > 0); } @Test public void testVfsPrefix() throws IOException { //1.创建一个虚拟的文件目录 VirtualFile home = VFS.getChild("/home"); //2.将虚拟目录映射到物理的目录 VFS.mount(home, new RealFileSystem(new File("d:"))); //3.通过虚拟目录获取文件资源 VirtualFile testFile = home.getChild("test.txt"); ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver(); Resource[] resources = resolver.getResources("/home/test.txt"); Assert.assertTrue(resources.length > 0); System.out.println(resources[0].getClass()); } }