Example usage for java.lang NoSuchMethodException NoSuchMethodException

Introduction

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

Prototype

public NoSuchMethodException(String s) 

Source Link

Document

Constructs a NoSuchMethodException with a detail message.

Usage

From source file:Main.java

/**
 *  find the Appropriate method/*w  w w .  j a  va2 s  . co m*/
 *  @throws NoSuchMethodException if not find
 */
public static Method getAppropriateMethod(Class<?> clazz, String methodName, Class<?>... paramTypes)
        throws NoSuchMethodException {
    try {
        return clazz.getMethod(methodName, paramTypes);
    } catch (NoSuchMethodException e) {
        final List<Method> ms = getMethods(clazz, methodName);
        final int size = ms.size();
        switch (size) {
        case 0:
            throw new NoSuchMethodException(
                    "can't find the method , methodName = " + methodName + " ,classname = " + clazz.getName());
        case 1:
            return ms.get(0);
        default:
            throw new NoSuchMethodException("You should not have multi methods with the same name of "
                    + methodName + "in class " + clazz.getName() + "( that means don't burden method )!");
        }
    }
}

---

From source file:Main.java

/**
 * search the method and return the defined method.
 * it will {@link Class#getMethod(String, Class[])}, if exception occurs,
 * it will search for all methods, and find the most fit method.
 *///w  w  w .  j  a  va  2  s.  com
public static Method searchMethod(Class<?> currentClass, String name, Class<?>[] parameterTypes, boolean boxed)
        throws NoSuchMethodException {
    if (currentClass == null) {
        throw new NoSuchMethodException("class == null");
    }
    try {
        return currentClass.getMethod(name, parameterTypes);
    } catch (NoSuchMethodException e) {
        Method likeMethod = null;
        for (Method method : currentClass.getMethods()) {
            if (method.getName().equals(name) && parameterTypes.length == method.getParameterTypes().length
                    && Modifier.isPublic(method.getModifiers())) {
                if (parameterTypes.length > 0) {
                    Class<?>[] types = method.getParameterTypes();
                    boolean eq = true;
                    boolean like = true;
                    for (int i = 0; i < parameterTypes.length; i++) {
                        Class<?> type = types[i];
                        Class<?> parameterType = parameterTypes[i];
                        if (type != null && parameterType != null && !type.equals(parameterType)) {
                            eq = false;
                            if (boxed) {
                                type = getBoxedClass(type);
                                parameterType = getBoxedClass(parameterType);
                            }
                            if (!type.isAssignableFrom(parameterType)) {
                                eq = false;
                                like = false;
                                break;
                            }
                        }
                    }
                    if (!eq) {
                        if (like && (likeMethod == null || likeMethod.getParameterTypes()[0]
                                .isAssignableFrom(method.getParameterTypes()[0]))) {
                            likeMethod = method;
                        }
                        continue;
                    }
                }
                return method;
            }
        }
        if (likeMethod != null) {
            return likeMethod;
        }
        throw e;
    }
}

---

From source file:Main.java

/**
 * Locates a given method anywhere in the class inheritance hierarchy.
 *
 * @param instance an object to search the method into.
 * @param name method name//  w  w w  .j  a v  a  2s . c  o  m
 * @param parameterTypes method parameter types
 * @return a method object
 * @throws NoSuchMethodException if the method cannot be located
 */
static Method findMethod(Object instance, String name, Class<?>... parameterTypes)
        throws NoSuchMethodException {
    for (Class<?> clazz = instance.getClass(); clazz != null; clazz = clazz.getSuperclass()) {
        try {
            Method method = clazz.getDeclaredMethod(name, parameterTypes);

            if (!method.isAccessible()) {
                method.setAccessible(true);
            }

            return method;
        } catch (NoSuchMethodException e) {
            // ignore and search next
        }
    }

    throw new NoSuchMethodException("Method " + name + " with parameters " + Arrays.asList(parameterTypes)
            + " not found in " + instance.getClass());
}

---

From source file:IntrospectionUtil.java

public static Method findMethod(Class clazz, String methodName, Class[] args, boolean checkInheritance,
        boolean strictArgs) throws NoSuchMethodException {
    if (clazz == null)
        throw new NoSuchMethodException("No class");
    if (methodName == null || methodName.trim().equals(""))
        throw new NoSuchMethodException("No method name");

    Method method = null;/*from   w  ww  . ja v a  2  s  . c om*/
    Method[] methods = clazz.getDeclaredMethods();
    for (int i = 0; i < methods.length && method == null; i++) {
        if (methods[i].getName().equals(methodName) && checkParams(methods[i].getParameterTypes(),
                (args == null ? new Class[] {} : args), strictArgs)) {
            method = methods[i];
        }

    }
    if (method != null) {
        return method;
    } else if (checkInheritance)
        return findInheritedMethod(clazz.getPackage(), clazz.getSuperclass(), methodName, args, strictArgs);
    else
        throw new NoSuchMethodException("No such method " + methodName + " on class " + clazz.getName());

}

---

From source file:com.rockagen.commons.util.SysUtil.java

/**
 * *//from  www. j a  v  a  2  s .co  m
 *
 * @param url url
 * @throws Exception exception if occur
 */
public static void browse(String url) throws Exception {
    if (OS_NAME.startsWith("Mac OS")) {
        Method openURL = ClassUtil.getDeclaredMethod(Class.forName("com.apple.eio.FileManager"), true,
                "openURL", String.class);
        openURL.invoke(null, url);

    } else if (OS_NAME.startsWith("Windows")) {

        Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler " + url);
    } else {
        // assume Unix or Linux
        String[] browsers = { "firefox", "opera", "konqueror", "epiphany", "mozilla", "netscape" };
        String browser = null;
        for (int count = 0; count < browsers.length && browser == null; count++)
            if (Runtime.getRuntime().exec(new String[] { "which", browsers[count] }).waitFor() == 0)
                browser = browsers[count];
        if (browser == null)
            throw new NoSuchMethodException("Could not find web browser");
        else
            Runtime.getRuntime().exec(new String[] { browser, url });
    }
}

---

From source file:JarClassLoader.java

public void invokeClass(String name, String[] args)
        throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException {
    Class c = loadClass(name);/*www  .  ja  va2s .  c o  m*/
    Method m = c.getMethod("main", new Class[] { args.getClass() });
    m.setAccessible(true);
    int mods = m.getModifiers();
    if (m.getReturnType() != void.class || !Modifier.isStatic(mods) || !Modifier.isPublic(mods)) {
        throw new NoSuchMethodException("main");
    }
    try {
        m.invoke(null, new Object[] { args });
    } catch (IllegalAccessException e) {

    }
}

---

From source file:org.gradle.internal.reflect.JavaMethod.java

private static Method findMethod(Class origTarget, Class target, String name, boolean allowStatic,
        Class<?>[] paramTypes) {
    for (Method method : target.getDeclaredMethods()) {
        if (!allowStatic && Modifier.isStatic(method.getModifiers())) {
            continue;
        }//from www  .j a  v a 2 s.  c o m
        if (method.getName().equals(name) && Arrays.equals(method.getParameterTypes(), paramTypes)) {
            return method;
        }
    }

    Class<?> parent = target.getSuperclass();
    if (parent == null) {
        throw new NoSuchMethodException(String.format("Could not find method %s(%s) on %s.", name,
                StringUtils.join(paramTypes, ", "), origTarget.getSimpleName()));
    } else {
        return findMethod(origTarget, parent, name, allowStatic, paramTypes);
    }
}

---

From source file:Main.java

public static <T extends Object, Result> Result callMethodCast(T receiver, Class<Result> resultClass,
        String methodName, Object... args) throws NoSuchMethodException, IllegalAccessException,
        InvocationTargetException, InstantiationException {
    if (receiver == null || methodName == null) {
        return null;
    }/*from w  ww . j  a v  a2s . com*/
    Class<?> cls = receiver.getClass();
    Method toInvoke = null;
    do {
        Method[] methods = cls.getDeclaredMethods();
        methodLoop: for (Method method : methods) {
            if (!methodName.equals(method.getName())) {
                continue;
            }
            Class<?>[] paramTypes = method.getParameterTypes();
            if (args == null && paramTypes == null) {
                toInvoke = method;
                break;
            } else if (args == null || paramTypes == null || paramTypes.length != args.length) {
                continue;
            }

            for (int i = 0; i < args.length; ++i) {
                if (!paramTypes[i].isAssignableFrom(args[i].getClass())) {
                    continue methodLoop;
                }
            }
            toInvoke = method;
        }
    } while (toInvoke == null && (cls = cls.getSuperclass()) != null);
    Result t;
    if (toInvoke != null) {
        boolean accessible = toInvoke.isAccessible();
        toInvoke.setAccessible(true);
        if (resultClass != null) {
            t = resultClass.cast(toInvoke.invoke(receiver, args));
        } else {
            toInvoke.invoke(receiver, args);
            t = null;
        }
        toInvoke.setAccessible(accessible);
        return t;
    } else {
        throw new NoSuchMethodException("Method " + methodName + " not found");
    }
}

---

From source file:nl.talsmasoftware.enumerables.support.json.jackson2.Compatibility.java

@SuppressWarnings("unchecked")
private static <T> T call(Object target, String method) throws NoSuchMethodException {
    try {//  ww  w  . ja  va 2 s  . c  o  m

        return (T) method(target.getClass(), method).invoke(target);

    } catch (IllegalAccessException iae) {
        NoSuchMethodException nsme = new NoSuchMethodException(
                String.format("Not allowed to call method \"%s\": %s", method, iae.getMessage()));
        nsme.initCause(iae);
        throw nsme;
    } catch (InvocationTargetException ite) {
        Throwable cause = ite.getCause();
        if (cause == null)
            cause = ite; // shouldn't happen!
        throw cause instanceof RuntimeException ? (RuntimeException) cause
                : new RuntimeException(cause.getMessage(), cause);
    }
}

---

From source file:com.mycompany.selenium.factory.Page.java

public void takeAction(String action, Object... param) throws Throwable {
    action = action.replaceAll(" ", "_");
    try {//from  w  w  w .j  a  v a2s  . c  om
        MethodUtils.invokeMethod(this, action, param);
    } catch (NoSuchMethodException e) {
        StringBuilder sb = new StringBuilder();

        sb.append("There is no \"").append(action).append("\" action ").append("in ").append(this.getTitle())
                .append(" page object").append("\n");
        sb.append("Possible actions are:").append("\n");
        Class tClass = this.getClass();
        Method[] methods = tClass.getDeclaredMethods();
        for (int i = 0; i < methods.length; i++) {
            sb.append("\t\"").append(this.getTitle()).append("\"->\"").append(methods[i].getName())
                    .append("\" with ").append(methods[i].getGenericParameterTypes().length)
                    .append(" input parameters").append("\n");
        }
        throw new NoSuchMethodException(sb.toString());
    } catch (InvocationTargetException ex) {
        throw ex.getCause();
    }
}

---

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