Example usage for java.lang ClassNotFoundException ClassNotFoundException

Introduction

In this page you can find the example usage for java.lang ClassNotFoundException ClassNotFoundException.

Prototype

public ClassNotFoundException(String s, Throwable ex) 

Source Link

Document

Constructs a ClassNotFoundException with the specified detail message and optional exception that was raised while loading the class.

Usage

From source file:com.bstek.dorado.util.clazz.ClassUtils.java

@SuppressWarnings("rawtypes")
public static Class forName(String className) throws ClassNotFoundException {
    try {//  w w w.j  a v  a 2 s . c  o m
        return org.apache.commons.lang.ClassUtils.getClass(className);
    } catch (Error e) {
        throw new ClassNotFoundException(e.getMessage(), e);
    }
}

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From source file:Main.java

public static Class<?> findClass(String className) throws ClassNotFoundException {
    // [JACKSON-597]: support primitive types (and void)
    if (className.indexOf('.') < 0) {
        if ("int".equals(className))
            return Integer.TYPE;
        if ("long".equals(className))
            return Long.TYPE;
        if ("float".equals(className))
            return Float.TYPE;
        if ("double".equals(className))
            return Double.TYPE;
        if ("boolean".equals(className))
            return Boolean.TYPE;
        if ("byte".equals(className))
            return Byte.TYPE;
        if ("char".equals(className))
            return Character.TYPE;
        if ("short".equals(className))
            return Short.TYPE;
        if ("void".equals(className))
            return Void.TYPE;
    }//from  ww  w.  j ava  2  s.  co  m
    // Two-phase lookup: first using context ClassLoader; then default
    Throwable prob = null;
    ClassLoader loader = Thread.currentThread().getContextClassLoader();

    if (loader != null) {
        try {
            return Class.forName(className, true, loader);
        } catch (Exception e) {
            prob = getRootCause(e);
        }
    }
    try {
        return Class.forName(className);
    } catch (Exception e) {
        if (prob == null) {
            prob = getRootCause(e);
        }
    }
    if (prob instanceof RuntimeException) {
        throw (RuntimeException) prob;
    }
    throw new ClassNotFoundException(prob.getMessage(), prob);
}

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From source file:edu.northwestern.bioinformatics.studycalendar.utility.osgimosis.FileClassLoader.java

@Override
protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
    log.trace("Looking for " + name);
    Class<?> found = findLoadedClass(name);
    if (found != null) {
        log.trace("Already loaded");
        return found;
    }//from w  w  w  .j  a  va 2 s  .  c  o  m

    File f = new File(root, name.replaceAll("\\.", "/") + ".class");
    if (!f.exists()) {
        log.trace(f + " does not exist; going to system classloader");
        return super.loadClass(name, resolve);
    }

    byte[] contents;
    try {
        contents = IOUtils.toByteArray(new FileInputStream(f));
    } catch (IOException e) {
        throw new ClassNotFoundException("Could not read " + f, e);
    }
    log.trace("Defining from " + f);
    return defineClass(name, contents, 0, contents.length);
}

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From source file:com.l2jfree.gameserver.util.JarClassLoader.java

@Override
public Class<?> findClass(String name) throws ClassNotFoundException {
    try {//from w ww  . j a  va 2  s . co  m
        byte[] b = loadClassData(name);
        return defineClass(name, b, 0, b.length);
    } catch (Exception e) {
        throw new ClassNotFoundException(name, e);
    }
}

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From source file:fi.jumi.threadsafetyagent.util.TransformationTestClassLoader.java

@Override
protected Class<?> findClass(String name) throws ClassNotFoundException {
    try {//  w w w.ja  v  a 2 s  .  c  o m
        byte[] b = transformer.transform(this, name, null, null, readClassBytes(name));
        if (dirToWriteClasses != null) {
            try {
                FileUtils.writeByteArrayToFile(new File(dirToWriteClasses, name + ".class"), b);
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
        return defineClass(name, b, 0, b.length);

    } catch (IllegalClassFormatException e) {
        throw new ClassNotFoundException(name, e);
    }
}

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From source file:net.arnx.jsonic.web.extension.SpringContainer.java

@Override
public Object getComponent(String className) throws Exception {
    Object component;/*from   w w w  .  j  av  a 2 s.  c  om*/
    try {
        component = appContext.getBean(className);
    } catch (Exception e) {
        throw new ClassNotFoundException("class not found: " + className, e);
    }

    if (component instanceof ApplicationContextAware) {
        ((ApplicationContextAware) component).setApplicationContext(appContext);
    }

    for (Method method : component.getClass().getMethods()) {
        Class<?>[] params = method.getParameterTypes();
        if (void.class.equals(method.getReturnType()) && method.getName().startsWith("set")
                && params.length == 1) {
            Class<?> c = params[0];
            if (HttpServletRequest.class.equals(c)) {
                method.invoke(component, ExternalContext.getRequest());
            } else if (HttpServletResponse.class.equals(c)) {
                method.invoke(component, ExternalContext.getResponse());
            }
        }
    }

    return component;
}

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From source file:nu.mine.kino.web.JSONICContainer.java

@Override
public Object getComponent(String className) throws Exception {
    printheeader();//from   w ww.  ja  v a 2s  . com
    Object component;
    try {
        component = appContext.getBean(className);
    } catch (Exception e) {
        throw new ClassNotFoundException("class not found: " + className, e);
    }

    if (component instanceof ApplicationContextAware) {
        ((ApplicationContextAware) component).setApplicationContext(appContext);
    }

    for (Method method : component.getClass().getMethods()) {
        Class<?>[] params = method.getParameterTypes();
        if (void.class.equals(method.getReturnType()) && method.getName().startsWith("set")
                && params.length == 1) {
            Class<?> c = params[0];
            if (HttpServletRequest.class.equals(c)) {
                method.invoke(component, ExternalContext.getRequest());
            } else if (HttpServletResponse.class.equals(c)) {
                method.invoke(component, ExternalContext.getResponse());
            }
        }
    }

    return component;
}

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From source file:com.reactive.hzdfs.utils.EntityFinder.java

/**
 * //w  w  w.  j  a  v  a  2  s.c  o m
 * @param provider
 * @param basePkg
 * @return
 * @throws ClassNotFoundException
 */
private static Set<Class<?>> findComponents(ClassPathScanningCandidateComponentProvider provider,
        String basePkg) throws ClassNotFoundException {
    Set<BeanDefinition> beans = null;
    String pkg = "";
    try {
        pkg = StringUtils.hasText(basePkg) ? basePkg : EntityFinder.class.getPackage().getName();
        beans = provider.findCandidateComponents(pkg);
    } catch (Exception e) {
        throw new ClassNotFoundException("Unable to scan for classes under given base package",
                new IllegalArgumentException("Package=> " + pkg, e));
    }

    Set<Class<?>> classes = new HashSet<>();
    if (beans != null && !beans.isEmpty()) {
        classes = new HashSet<>(beans.size());
        for (BeanDefinition bd : beans) {
            classes.add(Class.forName(bd.getBeanClassName()));
        }
    } else {
        log.warn(">> Did not find any classes under the given base package [" + basePkg + "]");
    }
    return classes;
}

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From source file:org.teavm.flavour.mp.impl.ProxyClassLoader.java

@Override
protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
    if (!isCompileTimeClass(name)) {
        return super.loadClass(name, resolve);
    } else {/*from  ww w. ja  v  a2s . c o  m*/
        try (InputStream input = getResourceAsStream(name.replace('.', '/') + ".class")) {
            byte[] array = instrumentation.instrument(IOUtils.toByteArray(input));
            return defineClass(name, array, 0, array.length);
        } catch (IOException e) {
            throw new ClassNotFoundException("Error reading bytecode of class " + name, e);
        }
    }
}

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From source file:com.google.code.ddom.commons.cl.ClassRef.java

/**
 * Load the definition of the class identified by this object.
 * /*from w  ww .  j a va  2  s.c  o  m*/
 * @return the class definition, i.e. the content of the corresponding class file
 * @throws ClassNotFoundException
 *             if the class was not found or an error occurred when loading the class definition
 */
public byte[] getClassDefinition() throws ClassNotFoundException {
    InputStream in = getClassDefinitionAsStream();
    try {
        try {
            return IOUtils.toByteArray(in);
        } finally {
            in.close();
        }
    } catch (IOException ex) {
        throw new ClassNotFoundException(className, ex);
    }
}

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