PackageResourceConfigTest.java

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package com.sun.jersey.impl.container.config;

import com.sun.jersey.api.core.PackagesResourceConfig;
import com.sun.jersey.api.core.ResourceConfig;
import com.sun.jersey.impl.container.config.innerstatic.InnerStaticClass;
import com.sun.jersey.impl.container.config.toplevel.PublicRootResourceClass;
import com.sun.jersey.impl.container.config.toplevelinnerstatic.PublicRootResourceInnerStaticClass;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.HashMap;
import java.util.Map;

/**
 *
 * @author Paul.Sandoz@Sun.Com
 */
public class PackageResourceConfigTest extends AbstractConfigTester {
    
    public PackageResourceConfigTest(String testName) {
        super(testName);
    }
    
    public void testTopLevel() {
        String[] packages = {"com.sun.jersey.impl.container.config.toplevel"};
        ResourceConfig rc = new PackagesResourceConfig(packages);
        
        assertTrue(rc.getClasses().contains(PublicRootResourceClass.class));
        assertEquals(1, rc.getClasses().size());
    }
    
    public void testInnerStatic() {
        String[] packages = {"com.sun.jersey.impl.container.config.innerstatic"};
        ResourceConfig rc = new PackagesResourceConfig(packages);
        
        assertTrue(rc.getClasses().contains(InnerStaticClass.PublicClass.class));
        assertEquals(1, rc.getClasses().size());
    }
    
    public void testTopLevelInnerStatic() {
        String[] packages = {"com.sun.jersey.impl.container.config.toplevelinnerstatic"};
        ResourceConfig rc = new PackagesResourceConfig(packages);
                
        assertTrue(rc.getClasses().contains(PublicRootResourceInnerStaticClass.class));
        assertTrue(rc.getClasses().contains(PublicRootResourceInnerStaticClass.PublicClass.class));
        assertEquals(2, rc.getClasses().size());
    }
    
    public void testAll() {
        String[] packages = {"com.sun.jersey.impl.container.config"};
        ResourceConfig rc = new PackagesResourceConfig(packages);
        
        assertTrue(rc.getClasses().contains(PublicRootResourceClass.class));
        assertTrue(rc.getClasses().contains(InnerStaticClass.PublicClass.class));
        assertTrue(rc.getClasses().contains(PublicRootResourceInnerStaticClass.class));
        assertTrue(rc.getClasses().contains(PublicRootResourceInnerStaticClass.PublicClass.class));
        assertEquals(4, rc.getClasses().size());
    }
    
    public void testAllWithSpacesAndEmptyElements() {
        Map<String, Object> m = new HashMap<String, Object>();
        m.put(PackagesResourceConfig.PROPERTY_PACKAGES, 
                "  com.sun.jersey.impl.container.config.toplevel; " +
                "  com.sun.jersey.impl.container.config.innerstatic; " + 
                "  com.sun.jersey.impl.container.config.toplevelinnerstatic; ;; ; ");
        ResourceConfig rc = new PackagesResourceConfig(m);
        
        assertTrue(rc.getClasses().contains(PublicRootResourceClass.class));
        assertTrue(rc.getClasses().contains(InnerStaticClass.PublicClass.class));
        assertTrue(rc.getClasses().contains(PublicRootResourceInnerStaticClass.class));
        assertTrue(rc.getClasses().contains(PublicRootResourceInnerStaticClass.PublicClass.class));
        assertEquals(4, rc.getClasses().size());
    }
    
    public void testJarTopLevel() throws Exception {
        ClassLoader cl = createClassLoader("target/test-classes/",
                "com/sun/jersey/impl/container/config/toplevel/PublicRootResourceClass.class",
                "com/sun/jersey/impl/container/config/toplevel/PackageRootResourceClass.class"
                );
        
        ResourceConfig rc = createConfig(cl, 
                "com.sun.jersey.impl.container.config.toplevel");

        assertTrue(rc.getClasses().contains(
                cl.loadClass("com.sun.jersey.impl.container.config.toplevel.PublicRootResourceClass")));
        assertEquals(1, rc.getClasses().size());
    }
    
    public void testJarTopLevelWithSpacesInName() throws Exception {
        ClassLoader cl = createClassLoaderUsingToURLDirectly(
                "name with space",
                Suffix.jar,
                "target/test-classes/",
                "com/sun/jersey/impl/container/config/toplevel/PublicRootResourceClass.class",
                "com/sun/jersey/impl/container/config/toplevel/PackageRootResourceClass.class"
                );

        ResourceConfig rc = createConfig(cl,
                "com.sun.jersey.impl.container.config.toplevel");

        assertTrue(rc.getClasses().contains(
                cl.loadClass("com.sun.jersey.impl.container.config.toplevel.PublicRootResourceClass")));
        assertEquals(1, rc.getClasses().size());
    }

    public void testJarInnerStatic() throws Exception {
        ClassLoader cl = createClassLoader("target/test-classes/",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$PublicClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$PackageClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$ProtectedClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$PrivateClass.class"
                );
        ResourceConfig rc = createConfig(cl, 
                "com.sun.jersey.impl.container.config.innerstatic");

        assertTrue(rc.getClasses().contains(
                cl.loadClass("com.sun.jersey.impl.container.config.innerstatic.InnerStaticClass$PublicClass")));
        assertEquals(1, rc.getClasses().size());
    }
    
    public void testJarBoth() throws Exception {
        ClassLoader cl = createClassLoader("target/test-classes/",
                "com/sun/jersey/impl/container/config/toplevel/PublicRootResourceClass.class",
                "com/sun/jersey/impl/container/config/toplevel/PackageRootResourceClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$PublicClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$PackageClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$ProtectedClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$PrivateClass.class"
                );
        ResourceConfig rc = createConfig(cl, 
                "com.sun.jersey.impl.container.config");

        assertTrue(rc.getClasses().contains(
                cl.loadClass("com.sun.jersey.impl.container.config.toplevel.PublicRootResourceClass")));
        assertTrue(rc.getClasses().contains(
                cl.loadClass("com.sun.jersey.impl.container.config.innerstatic.InnerStaticClass$PublicClass")));
        assertEquals(2, rc.getClasses().size());
    }
    
    public void testJarBothWithSeparatePackages() throws Exception {
        ClassLoader cl = createClassLoader("target/test-classes/",
                "com/sun/jersey/impl/container/config/toplevel/PublicRootResourceClass.class",
                "com/sun/jersey/impl/container/config/toplevel/PackageRootResourceClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$PublicClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$PackageClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$ProtectedClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$PrivateClass.class"
                );
        ResourceConfig rc = createConfig(cl, 
                "com.sun.jersey.impl.container.config.toplevel", 
                "com.sun.jersey.impl.container.config.innerstatic");

        assertTrue(rc.getClasses().contains(
                cl.loadClass("com.sun.jersey.impl.container.config.toplevel.PublicRootResourceClass")));
        assertTrue(rc.getClasses().contains(
                cl.loadClass("com.sun.jersey.impl.container.config.innerstatic.InnerStaticClass$PublicClass")));
        assertEquals(2, rc.getClasses().size());
    }
    
    public void testJarAsZipBoth() throws Exception {
        ClassLoader cl = createClassLoader(Suffix.zip, "target/test-classes/",
                "com/sun/jersey/impl/container/config/toplevel/PublicRootResourceClass.class",
                "com/sun/jersey/impl/container/config/toplevel/PackageRootResourceClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$PublicClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$PackageClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$ProtectedClass.class",
                "com/sun/jersey/impl/container/config/innerstatic/InnerStaticClass$PrivateClass.class"
                );
        ResourceConfig rc = createConfig(cl, 
                "com.sun.jersey.impl.container.config");

        assertTrue(rc.getClasses().contains(
                cl.loadClass("com.sun.jersey.impl.container.config.toplevel.PublicRootResourceClass")));
        assertTrue(rc.getClasses().contains(
                cl.loadClass("com.sun.jersey.impl.container.config.innerstatic.InnerStaticClass$PublicClass")));
        assertEquals(2, rc.getClasses().size());
    }
    
    private ResourceConfig createConfig(ClassLoader cl, String... packages) throws IOException {        
        ClassLoader ocl = Thread.currentThread().getContextClassLoader();
        Thread.currentThread().setContextClassLoader(cl);
        try {
            Class prc = cl.loadClass("com.sun.jersey.api.core.PackagesResourceConfig");
            Constructor c = prc.getConstructor(String[].class);
            return (ResourceConfig)c.newInstance((Object)packages);
            // return new PackagesResourceConfig(packages);
        } catch (Exception e) {
            throw new RuntimeException(e);
        } finally {
            Thread.currentThread().setContextClassLoader(ocl);
        }
    }
    
    private ClassLoader createClassLoader(String base, String... entries) throws IOException {
        return createClassLoader(Suffix.jar, base, entries);
    }
    
    private ClassLoader createClassLoader(Suffix s, String base, String... entries) throws IOException {
        URL[] us = new URL[1];
        us[0] = createJarFile(s, base, entries).toURI().toURL();
        return new PackageClassLoader(us);
    } 
    
    private ClassLoader createClassLoaderUsingToURLDirectly(String name, Suffix s, String base, String... entries) throws IOException {
        URL[] us = new URL[1];
        us[0] = createJarFile(name, s, base, entries).toURL();
        return new PackageClassLoader(us);
    }

    private static class PackageClassLoader extends URLClassLoader {
        PackageClassLoader(URL[] urls) {
            super(urls, null);
        }
        
        public Class<?> findClass(String name) throws ClassNotFoundException {
            try {
                return super.findClass(name);
            } catch (ClassNotFoundException e) {
                return getSystemClassLoader().loadClass(name);
            }
        }        
    }
}