Package org.apache.geronimo.kernel.config

Examples of org.apache.geronimo.kernel.config.MultiParentClassLoader$FilteringParentCL

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     * Tries to load a javax.* class that is avialable from the parent ClassLoader,
     * when there's a different definition available from this ClassLoader too.
     * This should always load the parent's copy.
     */
    public void testTrueExistantJavaxClass() {
        cl = new MultiParentClassLoader(configId, urls, getClass().getClassLoader(), true, HIDDEN, NON_OVERRIDABLE);
        try {
            Class cls = cl.loadClass("javax.servlet.Servlet");
            assertTrue("Loaded wrong class first; expected to find parent CL's copy of javax.servlet.Servlet",cls.getDeclaredMethods().length > 0);
        } catch(ClassNotFoundException e) {
            fail("Problem with test; expecting to have javax.servlet.* on the ClassPath");
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     * ClassLoader.  This should load the parent's copy when
     * contextPriorityClassLoader is set to false (as here) and the child's
     * copy when the contextPriorityClassLoader is set to true.
     */
    public void testFalseExistantNonJavaxClass() {
        cl = new MultiParentClassLoader(configId, urls, getClass().getClassLoader(), false, HIDDEN, NON_OVERRIDABLE);
        try {
            Class cls = cl.loadClass("mx4j.MBeanDescription");
            assertTrue("Should not have overriden parent CL definition of class mx4j.MBeanDescription", cls.getDeclaredMethods().length > 0);
        } catch(ClassNotFoundException e) {
            fail("Problem with test; expecting to have mx4j.* on the ClassPath");
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     * ClassLoader.  This should load the parent's copy when
     * contextPriorityClassLoader is set to false and the child's copy when
     * the contextPriorityClassLoader is set to true (as here).
     */
    public void testTrueExistantNonJavaxClass() {
        cl = new MultiParentClassLoader(configId, urls, getClass().getClassLoader(), true, HIDDEN, NON_OVERRIDABLE);
        try {
            Class cls = cl.loadClass("mx4j.MBeanDescription");
            assertTrue("Should be able to override a class that is not in java.*, javax.*, etc.", cls.getDeclaredMethods().length == 0);
        } catch(ClassNotFoundException e) {
            fail("Problem with test; expecting to have mx4j.* on the ClassPath");
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    /**
     * Tries to load a javax.* class that's not available from the
     * parent ClassLoader.  This should work.
     */
    public void testFalseNonexistantJavaxResource() {
        cl = new MultiParentClassLoader(configId, urls, getClass().getClassLoader(), false, HIDDEN, NON_OVERRIDABLE);
        URL url = cl.getResource("javax/foo/Foo.class");
        if(url == null) {
            fail("Should be able to load a javax.* class that is not defined by my parent CL");
        }
        assertEquals(url.getProtocol(), "file");
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    /**
     * Tries to load a javax.* class that's not available from the
     * parent ClassLoader.  This should work.
     */
    public void testTrueNonexistantJavaxResource() {
        cl = new MultiParentClassLoader(configId, urls, getClass().getClassLoader(), true, HIDDEN, NON_OVERRIDABLE);
        URL url = cl.getResource("javax/foo/Foo.class");
        if(url == null) {
            fail("Should be able to load a javax.* class that is not defined by my parent CL");
        }
        assertEquals(url.getProtocol(), "file");
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     * Tries to load a javax.* class that is avialable from the parent ClassLoader,
     * when there's a different definition available from this ClassLoader too.
     * This should always load the parent's copy.
     */
    public void testFalseExistantJavaxResource() {
        cl = new MultiParentClassLoader(configId, urls, getClass().getClassLoader(), false, HIDDEN, NON_OVERRIDABLE);
        URL url = cl.getResource("javax/servlet/Servlet.class");
        if(url == null) {
            fail("Problem with test; expecting to have javax.servlet.* on the ClassPath");
        }
        assertEquals("Loaded wrong class first; expected to find parent CL's copy of javax.servlet.Servlet", url.getProtocol(), "jar");
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     * Tries to load a javax.* class that is avialable from the parent ClassLoader,
     * when there's a different definition available from this ClassLoader too.
     * This should always load the parent's copy.
     */
    public void testTrueExistantJavaxResource() {
        cl = new MultiParentClassLoader(configId, urls, getClass().getClassLoader(), true, HIDDEN, NON_OVERRIDABLE);
        URL url = cl.getResource("javax/servlet/Servlet.class");
        if(url == null) {
            fail("Problem with test; expecting to have javax.servlet.* on the ClassPath");
        }
        assertEquals("Loaded wrong class first; expected to find parent CL's copy of javax.servlet.Servlet",url.getProtocol(),"jar");
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     * ClassLoader.  This should load the parent's copy when
     * contextPriorityClassLoader is set to false (as here) and the child's
     * copy when the contextPriorityClassLoader is set to true.
     */
    public void testFalseExistantNonJavaxResource() {
        cl = new MultiParentClassLoader(configId, urls, getClass().getClassLoader(), false, HIDDEN, NON_OVERRIDABLE);
        URL url = cl.getResource("mx4j/MBeanDescription.class");
        if(url == null) {
            fail("Problem with test; expecting to have mx4j.* on the ClassPath");
        }
        assertEquals("Should not have overriden parent CL definition of class mx4j.MBeanDescription", url.getProtocol(), "jar");
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     * ClassLoader.  This should load the parent's copy when
     * contextPriorityClassLoader is set to false and the child's copy when
     * the contextPriorityClassLoader is set to true (as here).
     */
    public void testTrueExistantNonJavaxResource() {
        cl = new MultiParentClassLoader(configId, urls, getClass().getClassLoader(), true, new String[] {}, NON_OVERRIDABLE);
        URL url = cl.getResource("mx4j/MBeanDescription.class");
        if(url == null) {
            fail("Problem with test; expecting to have mx4j.* on the ClassPath");
        }
        assertEquals("Should be able to override a class that is not in java.*, javax.*, etc.", url.getProtocol(), "file");
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    private static void dumpIDs(String prefix, ClassLoader loader) {
        if(loader == null) return;
        System.out.println(prefix+"ClassLoader is "+loader);

        if(loader instanceof MultiParentClassLoader) {
            MultiParentClassLoader mp = (MultiParentClassLoader) loader;
            ClassLoader[] parents = mp.getParents();
            for (int i = 0; i < parents.length; i++) {
                dumpIDs(prefix+"  ", parents[i]);
            }
        } else {
            dumpIDs(prefix+"  ", loader.getParent());
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