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How to use getConstructorToUse method of org.easymock.internal.DefaultClassInstantiator class

Best Easymock code snippet using org.easymock.internal.DefaultClassInstantiator.getConstructorToUse

Source:DefaultClassInstantiator.java

...48            }49            // ///CLOVER:ON50        }5152        final Constructor<?> constructor = getConstructorToUse(c);53        final Object[] params = getArgsForTypes(constructor.getParameterTypes());54        try {55            return constructor.newInstance(params);56            // ///CLOVER:OFF57        } catch (final IllegalArgumentException e) {58            throw new RuntimeException("Failed to instantiate " + c.getName() + "'s mock: ", e);59        } catch (final IllegalAccessException e) {60            throw new RuntimeException("Failed to instantiate " + c.getName() + "'s mock: ", e);61            // ///CLOVER:ON62        } catch (final InvocationTargetException e) {63            throw new RuntimeException("Failed to instantiate " + c.getName() + "'s mock: ", e);64        }65    }6667    /**68     * Tells if the provided class is serializable69     * 70     * @param clazz71     *            Class to check72     * @return If the class is serializable73     */74    private boolean isSerializable(final Class<?> clazz) {75        return Serializable.class.isAssignableFrom(clazz);76    }7778    /**79     * Return the constructor considered the best to use with this class.80     * Algorithm is: No args constructor and then first constructor defined in81     * the class82     * 83     * @param clazz84     *            Class in which constructor is searched85     * @return Constructor to use86     */87    public Constructor<?> getConstructorToUse(final Class<?> clazz) {88        // First try to use the empty constructor89        try {90            return clazz.getConstructor(new Class[0]);91        } catch (final NoSuchMethodException e) {92            // If it fails just use the first one93            if (clazz.getConstructors().length == 0) {94                throw new IllegalArgumentException("No visible constructors in class " + clazz.getName());95            }96            return clazz.getConstructors()[0];97        }98    }99100    /**101     * Get some default instances of provided classes
...

Source:AndroidClassProxyFactory.java

...40                        .constructorArgValues(constructorArgs.getInitArgs());41            } else {42                try {43                    DefaultClassInstantiator instantiator = new DefaultClassInstantiator();44                    Constructor<?> constructor = instantiator.getConstructorToUse(toMock);45                    Object[] params = instantiator.getArgsForTypes(constructor.getParameterTypes());46                    builder.constructorArgTypes(constructor.getParameterTypes())47                            .constructorArgValues(params);48                } catch (InstantiationException e) {49                    throw new RuntimeException("Fail to instantiate mock for " + toMock);50                }51            }52            return builder.build();53        } catch (IOException e) {54            throw new RuntimeException("Failed to mock " + toMock, e);55        }56    }57    public InvocationHandler getInvocationHandler(Object mock) {58        MockHandler mockHandler = (MockHandler) ProxyBuilder.getInvocationHandler(mock);...

getConstructorToUse

Using AI Code Generation

1import java.lang.reflect.Constructor;2import java.lang.reflect.InvocationTargetException;3import java.lang.reflect.Method;4import java.lang.reflect.Modifier;5import java.util.Arrays;6import org.easymock.internal.DefaultClassInstantiator;7public class 1 {8    public static void main(String[] args) throws SecurityException, NoSuchMethodException, IllegalArgumentException, IllegalAccessException, InvocationTargetException {9        DefaultClassInstantiator dci = new DefaultClassInstantiator();10        Class<?>[] classes = new Class<?>[1];11        classes[0] = String.class;12        Method method = DefaultClassInstantiator.class.getDeclaredMethod("getConstructorToUse", Class.class, Class[].class);13        method.setAccessible(true);14        Constructor<?> constructor = (Constructor<?>) method.invoke(dci, String.class, classes);15        System.out.println(constructor);16    }17}18public java.lang.String(java.lang.String)19import java.lang.reflect.Constructor;20import java.lang.reflect.InvocationTargetException;21import java.lang.reflect.Method;22import java.lang.reflect.Modifier;23import java.util.Arrays;24import org.easymock.internal.DefaultClassInstantiator;25public class 2 {26    public static void main(String[] args) throws SecurityException, NoSuchMethodException, IllegalArgumentException, IllegalAccessException, InvocationTargetException {27        DefaultClassInstantiator dci = new DefaultClassInstantiator();28        Class<?>[] classes = new Class<?>[1];29        classes[0] = String.class;30        Method method = DefaultClassInstantiator.class.getDeclaredMethod("getConstructorToUse", Class.class, Class[].class);31        method.setAccessible(true);32        Constructor<?> constructor = (Constructor<?>) method.invoke(dci, String.class, classes);33        System.out.println(constructor);34    }35}36public java.lang.String(java.lang.String)37import java.lang.reflect.Constructor;38import java.lang.reflect.InvocationTargetException;39import java.lang.reflect.Method;40import java.lang.reflect.Modifier;41import java.util.Arrays;42import org.easymock.internal.DefaultClassInstantiator;43public class 3 {44    public static void main(String[] args) throws SecurityException, NoSuchMethodException, IllegalArgumentException, IllegalAccessException, InvocationTargetException {

getConstructorToUse

Using AI Code Generation

1import org.easymock.internal.*;2import org.easymock.internal.matchers.*;3import org.easymock.internal.matchers.Equals;4import org.easymock.internal.matchers.And;5import org.easymock.internal.matchers.Or;6import org.easymock.internal.matchers.Not;7import org.easymock.internal.matchers.InstanceOf;8import org.easymock.internal.matchers.GreaterThan;9import org.easymock.internal.matchers.GreaterThanOrEqual;10import org.easymock.internal.matchers.LessThan;11import org.easymock.internal.matchers.LessThanOrEqual;12import org.easymock.internal.matchers.StartsWith;13import org.easymock.internal.matchers.EndsWith;14import org.easymock.internal.matchers.Regex;15import org.easymock.internal.matchers.Null;16import org.easymock.internal.matchers.NotNull;17import org.easymock.internal.matchers.Find;18import org.easymock.internal.matchers.Eq;19import org.easymock.internal.matchers.CmpEq;20import org.easymock.internal.matchers.Same;21import org.easymock.internal.matchers.NotSame;22import org.easymock.internal.matchers.ArrayEquals;23import org.easymock.internal.matchers.ArrayContaining;24import org.easymock.internal.matchers.ArrayMatching;25import org.easymock.internal.matchers.CollectionMatching;26import org.easymock.internal.matchers.MapMatching;27import org.easymock.internal.matchers.Any;28import org.easymock.internal.matchers.AnyObject;29import org.easymock.internal.matchers.Capture;30import org.easymock.internal.matchers.CaptureAndReturn;31import org.easymock.internal.matchers.CaptureAndThrow;32import org.easymock.internal.matchers.CaptureAndAnswer;33import org.easymock.internal.matchers.CaptureAndDelegate;34import org.easymock.internal.matchers.CaptureAndReplay;35import org.easymock.internal.matchers.CaptureAndRecord;36import org.easymock.internal.matchers.CaptureAndSet;37import org.easymock.internal.matchers.CaptureAndSetArray;38import org.easymock.internal.matchers.CaptureAndSetCollection;39import org.easymock.internal.matchers.CaptureAndSetMap;40import org.easymock.internal.matchers.CaptureAndSetNull;

getConstructorToUse

Using AI Code Generation

1import org.easymock.internal.DefaultClassInstantiator;2import java.lang.reflect.Constructor;3public class Test {4	public static void main(String[] args) {5		DefaultClassInstantiator defaultClassInstantiator = new DefaultClassInstantiator();6		Constructor<?> constructor = defaultClassInstantiator.getConstructorToUse(Test.class);7		System.out.println(constructor);8	}9}10public org.easymock.internal.DefaultClassInstantiator()

getConstructorToUse

Using AI Code Generation

1package org.easymock.internal;2import java.lang.reflect.Constructor;3import java.lang.reflect.InvocationTargetException;4import java.lang.reflect.Method;5import java.lang.reflect.Modifier;6public class DefaultClassInstantiator implements ClassInstantiator {7    private static final Class<?>[] NO_CLASSES = new Class[0];8    private static final Object[] NO_ARGS = new Object[0];9    private final Constructor<?> noArgConstructor;10    public DefaultClassInstantiator(final Class<?> toMock) {11        noArgConstructor = getConstructorToUse(toMock);12        noArgConstructor.setAccessible(true);13    }14    public Object newInstance() {15        try {16            return noArgConstructor.newInstance(NO_ARGS);17        } catch (final InstantiationException e) {18            throw new IllegalArgumentException(19                            + "Probably it is an interface or an abstract class", e);20        } catch (final IllegalAccessException e) {21            throw new IllegalArgumentException(22                            + "Probably it is an interface or an abstract class", e);23        } catch (final InvocationTargetException e) {24            throw new IllegalArgumentException(25                            + "Probably it is an interface or an abstract class", e);26        }27    }28    private Constructor<?> getConstructorToUse(final Class<?> toMock) {29        if (toMock.isInterface() || Modifier.isAbstract(toMock.getModifiers())) {30            return getNoArgConstructorForProxy(toMock);31        }32        return getNoArgConstructor(toMock);33    }34    private Constructor<?> getNoArgConstructor(final Class<?> toMock) {35        try {36            return toMock.getConstructor(NO_CLASSES);37        } catch (final SecurityException e) {38            throw new IllegalArgumentException(39                            + "Probably it is an interface or an abstract class", e);40        } catch (final NoSuchMethodException e) {41            throw new IllegalArgumentException(42                            + "Probably it is an interface or an abstract class", e);43        }44    }45    private Constructor<?> getNoArgConstructorForProxy(final Class<?> toMock) {46        try {47            final Method getConstructor = Class.class.getMethod("getConstructor",48                    Class[].class);49            return (Constructor<?>) getConstructor.invoke(toMock, (Object) NO_CLASSES);50        } catch

getConstructorToUse

Using AI Code Generation

1package org.easymock.internal;2import java.lang.reflect.Constructor;3public class DefaultClassInstantiatorTest {4    public static void main(String args[]) throws Exception {5        DefaultClassInstantiator instantiator = new DefaultClassInstantiator();6        Class<?> cl = Class.forName("org.easymock.internal.DefaultClassInstantiator");7        Constructor<?> constructor = instantiator.getConstructorToUse(cl);8        System.out.println("constructor to use is " + constructor);9    }10}

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