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How to use DeferSupportingClassLoader class of org.powermock.core.classloader package

Best Powermock code snippet using org.powermock.core.classloader.DeferSupportingClassLoader

Source:MockClassLoaderTest.java

...57    }58    @Test59    public void prepareForTestHasPrecedenceOverPowerMockIgnoreAnnotatedPackages() throws Exception {60        MockClassLoader mockClassLoader = new MockClassLoader(new String[] { "org.mytest.myclass" });61        Whitebox.setInternalState(mockClassLoader, new String[] { "*mytest*" }, DeferSupportingClassLoader.class);62        assertTrue(Whitebox.<Boolean>invokeMethod(mockClassLoader, "shouldModify", "org.mytest.myclass"));63    }64    @Test65    public void powerMockIgnoreAnnotatedPackagesAreIgnored() throws Exception {66        MockClassLoader mockClassLoader = new MockClassLoader(new String[] { "org.ikk.Jux" });67        Whitebox.setInternalState(mockClassLoader, new String[] { "*mytest*" }, DeferSupportingClassLoader.class);68        assertFalse(Whitebox.<Boolean> invokeMethod(mockClassLoader, "shouldModify", "org.mytest.myclass"));69    }70    @Test71    public void powerMockIgnoreAnnotatedPackagesHavePrecedenceOverPrepareEverythingForTest() throws Exception {72        MockClassLoader mockClassLoader = new MockClassLoader(new String[] { MODIFY_ALL_CLASSES });73        Whitebox.setInternalState(mockClassLoader, new String[] { "*mytest*" }, DeferSupportingClassLoader.class);74        assertFalse(Whitebox.<Boolean> invokeMethod(mockClassLoader, "shouldModify", "org.mytest.myclass"));75    }76    @Test77    public void prepareForTestPackagesArePrepared() throws Exception {78        MockClassLoader mockClassLoader = new MockClassLoader(new String[] { "*mytest*" });79        assertTrue(Whitebox.<Boolean> invokeMethod(mockClassLoader, "shouldModify", "org.mytest.myclass"));80    }81    @Test82    public void shouldAddIgnorePackagesToDefer() throws Exception {83        MockClassLoader mockClassLoader = new MockClassLoader(new String[0]);84        mockClassLoader.addIgnorePackage("test*");85        String[] deferPackages = Whitebox.<String[]> getInternalState(mockClassLoader, "deferPackages");86        assertTrue(deferPackages.length > 1);87        assertEquals("test*", deferPackages[deferPackages.length - 1]);...

Source:DeferSupportingClassLoader.java

...22 * 23 * @author Johan Haleby24 * @author Jan Kronquist25 */26public abstract class DeferSupportingClassLoader extends ClassLoader {27    private Map<String, Class<?>> classes;28    String deferPackages[];29    ClassLoader deferTo;30    public void addIgnorePackage(String... packagesToIgnore) {31        if (packagesToIgnore != null && packagesToIgnore.length > 0) {32            final int previousLength = deferPackages.length;33            deferPackages = new String[previousLength + packagesToIgnore.length];34            System.arraycopy(packagesToIgnore, 0, deferPackages, previousLength, packagesToIgnore.length);35        }36    }37    public DeferSupportingClassLoader(ClassLoader classloader, String deferPackages[]) {38        if (classloader == null) {39            deferTo = ClassLoader.getSystemClassLoader();40        } else {41            deferTo = classloader;42        }43        classes = new HashMap<String, Class<?>>();44        this.deferPackages = deferPackages;45    }46    protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {47        Class<?> clazz = null;48        if ((clazz = (Class<?>) classes.get(name)) == null) {49            final boolean shouldDefer = shouldDefer(deferPackages, name);50            if (shouldDefer) {51                clazz = deferTo.loadClass(name);...

DeferSupportingClassLoader

Using AI Code Generation

1package com.powermock;2import java.io.File;3import java.io.IOException;4import org.powermock.core.classloader.DeferSupportingClassLoader;5import org.powermock.core.classloader.MockClassLoader;6import org.powermock.core.classloader.MockClassLoaderBuilder;7public class DeferSupportingClassLoaderTest {8public static void main(String[] args) throws IOException, ClassNotFoundException {9MockClassLoaderBuilder builder = new MockClassLoaderBuilder();10builder.addFullyQualifiedNamesOfClassesToLoadByMockClassloader("com.powermock.ClassToBeMocked");11builder.addFullyQualifiedNamesOfClassesToLoadByMockClassloader("com.powermock.ClassToBeMocked1");12builder.addFullyQualifiedNamesOfClassesToLoadByMockClassloader("com.powermock.ClassToBeMocked2");13MockClassLoader mockClassLoader = builder.build();14DeferSupportingClassLoader deferSupportingClassLoader = new DeferSupportingClassLoader(mockClassLoader);15Class<?> clazz = deferSupportingClassLoader.loadClass("com.powermock.ClassToBeMocked");16System.out.println(clazz.getName());17clazz = deferSupportingClassLoader.loadClass("com.powermock.ClassToBeMocked1");18System.out.println(clazz.getName());19clazz = deferSupportingClassLoader.loadClass("com.powermock.ClassToBeMocked2");20System.out.println(clazz.getName());21}22}23Class<?> clazz = deferSupportingClassLoader.loadClass("com.powermock.ClassToBeMocked");24Class<?> clazz = deferSupportingClassLoader.loadClass("com.powermock.ClassToBeMocked", new File("C:\25ewfolder"));

DeferSupportingClassLoader

Using AI Code Generation

1import java.lang.reflect.Method;2import java.util.Arrays;3import org.powermock.core.classloader.DeferSupportingClassLoader;4public class 4 {5    public static void main(String[] args) throws Exception {6        ClassLoader parent = 4.class.getClassLoader();7        DeferSupportingClassLoader classLoader = new DeferSupportingClassLoader(parent);8        Class<?> clazz = classLoader.loadClass("com.example.ClassToLoad");9        Method method = clazz.getMethod("methodToLoad", String[].class);10        String[] strings = (String[]) method.invoke(null, (Object) new String[] { "a", "b", "c" });11        System.out.println(Arrays.toString(strings));12    }13}14package com.example;15public class ClassToLoad {16    public static String[] methodToLoad(String[] strings) {17        return strings;18    }19}20package com.example;21public class ClassToLoad2 {22    public static String[] methodToLoad2(String[] strings) {23        return strings;24    }25}26package com.example;27public class ClassToLoad3 {28    public static String[] methodToLoad3(String[] strings) {29        return strings;30    }31}32package com.example;33public class ClassToLoad4 {34    public static String[] methodToLoad4(String[] strings) {35        return strings;36    }37}38DeferSupportingClassLoader classLoader = new DeferSupportingClassLoader(parent, "com.example");

DeferSupportingClassLoader

Using AI Code Generation

1package com.powermock;2import java.io.IOException;3import java.io.InputStream;4import org.powermock.core.classloader.DeferSupportingClassLoader;5public class DeferSupportingClassLoaderTest {6	public static void main(String[] args) throws IOException {7		DeferSupportingClassLoaderTest test = new DeferSupportingClassLoaderTest();8		test.testDeferSupportingClassLoader();9	}10	public void testDeferSupportingClassLoader() throws IOException {11		DeferSupportingClassLoader deferSupportingClassLoader = new DeferSupportingClassLoader(12				getClass().getClassLoader());13				.getResourceAsStream("com/powermock/4.class");14		int read = is.read();15		while (read != -1) {16			System.out.print((char) read);17			read = is.read();18		}19	}20}21package com.powermock;22public class DeferSupportingClassLoaderTest {23	public static void main(String[] args) {24		DeferSupportingClassLoaderTest test = new DeferSupportingClassLoaderTest();25		test.testDeferSupportingClassLoader();26	}27	public void testDeferSupportingClassLoader() {28		DeferSupportingClassLoader deferSupportingClassLoader = new DeferSupportingClassLoader(29				getClass().getClassLoader());30				.getResourceAsStream("com/powermock/4.class");31		int read = is.read();32		while (read != -1) {33			System.out.print((char) read);34			read = is.read();35		}36	}37}

DeferSupportingClassLoader

Using AI Code Generation

1package com.journaldev;2import org.powermock.core.classloader.DeferSupportingClassLoader;3import java.io.IOException;4import java.net.URL;5import java.util.Enumeration;6public class DeferSupportingClassLoaderExample {7    public static void main(String[] args) throws IOException {8        DeferSupportingClassLoader loader = new DeferSupportingClassLoader();9        loader.addDeferPackage("java");10        loader.addDeferPackage("javax");11        loader.addDeferPackage("sun");12        loader.addDeferPackage("org.powermock");13        Enumeration<URL> resources = loader.getResources("java/lang/String.class");14        while (resources.hasMoreElements()) {15            System.out.println(resources.nextElement());16        }17    }18}

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