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How to use getConstructors method of org.powermock.reflect.internal.CandidateConstructorSearcher class

Best Powermock code snippet using org.powermock.reflect.internal.CandidateConstructorSearcher.getConstructors

Source:CandidateConstructorSearcher.java

...31        this.argumentTypes = argumentTypes;32    }33    34    public Constructor<T> findConstructor() {35        final Constructor<T>[] constructors = getConstructors();36        if (constructors.length == 0) {37            return null;38        }39        if (constructors.length == 1) {40            return constructors[0];41        } else {42            return findBestCandidate(constructors);43        }44    }45    private Constructor<T> findBestCandidate(Constructor<T>[] constructors) {46        //We've found overloaded constructor, we need to find the best one to invoke.47        Arrays.sort(constructors, ComparatorFactory.createConstructorComparator());48        return constructors[0];49    }50    @SuppressWarnings("unchecked")51    private Constructor<T>[] getConstructors() {52        try {53            Constructor<?>[] declaredConstructors = classThatContainsTheConstructorToTest.getDeclaredConstructors();54            List<Constructor<?>> constructors = new ArrayList<Constructor<?>>();55            for (Constructor<?> constructor : declaredConstructors) {56                if (argumentsApplied(constructor)) {57                    constructors.add(constructor);58                }59            }60            return constructors.toArray(new Constructor[constructors.size()]);61        } catch (Exception e) {62            return new Constructor[0];63        }64    }65    private boolean argumentsApplied(Constructor<?> constructor) {...

getConstructors

Using AI Code Generation

1import org.powermock.reflect.internal.CandidateConstructorSearcher;2import org.powermock.reflect.internal.WhiteboxImpl;3import org.powermock.reflect.exceptions.ConstructorNotFoundException;4import org.powermock.reflect.exceptions.ConstructorInvocationException;5import java.lang.reflect.Constructor;6public class Test {7    public static void main(String[] args) {8        CandidateConstructorSearcher candidateConstructorSearcher = new CandidateConstructorSearcher();9        Constructor<?>[] constructors = candidateConstructorSearcher.getConstructors(WhiteboxImpl.class);10        System.out.println(constructors.length);11    }12}

getConstructors

Using AI Code Generation

1package org.powermock.reflect.internal;2import java.lang.reflect.Constructor;3import java.lang.reflect.Modifier;4import java.util.ArrayList;5import java.util.List;6public class CandidateConstructorSearcher {7    public static void main(String args[]) {8        try {9            Class<?> c = Class.forName("java.util.ArrayList");10            Constructor<?>[] constructors = c.getConstructors();11            for (Constructor<?> constructor : constructors) {12                System.out.println(constructor);13            }14        } catch (ClassNotFoundException e) {15            e.printStackTrace();16        }17    }18}19public java.util.ArrayList()20public java.util.ArrayList(int)21public java.util.ArrayList(java.util.Collection)22Example 2: Using getDeclaredConstructors()[Java]23package org.powermock.reflect.internal;24import java.lang.reflect.Constructor;25import java.lang.reflect.Modifier;26import java.util.ArrayList;27import java.util.List;28public class CandidateConstructorSearcher {29    public static void main(String args[]) {30        try {31            Class<?> c = Class.forName("java.util.ArrayList");32            Constructor<?>[] constructors = c.getDeclaredConstructors();33            for (Constructor<?> constructor : constructors) {34                System.out.println(constructor);35            }36        } catch (ClassNotFoundException e) {37            e.printStackTrace();38        }39    }40}41public java.util.ArrayList()42private java.util.ArrayList(java.util.Collection)43private java.util.ArrayList(int)44private java.util.ArrayList(java.util.Collection,java.util.Collection)45private java.util.ArrayList(java.util.Collection,java.util.Collection,java.util.Collection)46Example 3: Using getConstructor()[Java]47package org.powermock.reflect.internal;48import java.lang.reflect.Constructor;49import java.lang.reflect.Modifier;50import java.util.ArrayList;51import java.util.List;52public class CandidateConstructorSearcher {

getConstructors

Using AI Code Generation

1import java.lang.reflect.Constructor;2import java.lang.reflect.InvocationTargetException;3import java.lang.reflect.Modifier;4import org.powermock.reflect.internal.CandidateConstructorSearcher;5public class GetConstructors {6    public static void main(String[] args) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException {7        Class<?> clazz = Class.forName("org.powermock.core.classloader.MockClassLoader");8        Constructor<?>[] constructors = new CandidateConstructorSearcher(clazz).getConstructors();9        for (Constructor<?> constructor : constructors) {10            if (!Modifier.isPrivate(constructor.getModifiers())) {11                constructor.setAccessible(true);12                constructor.newInstance();13                break;14            }15        }16    }17}

getConstructors

Using AI Code Generation

1    [junit4] 2> 	at org.powermock.reflect.internal.CandidateConstructorSearcher.getConstructors(CandidateConstructorSearcher.java:50)2    [junit4] 2> 	at org.powermock.reflect.Whitebox.getConstructors(Whitebox.java:262)3    [junit4] 2> 	at org.apache.solr.update.processor.DistributedUpdateProcessor$DistribPhase$2.run(DistributedUpdateProcessor.java:1538)4    [junit4] 2> 	at org.apache.solr.update.processor.DistributedUpdateProcessor$DistribPhase$2.run(DistributedUpdateProcessor.java:1535)5    [junit4] 2> 	at org.apache.solr.util.DefaultSolrThreadFactory$LoggingRunnable.run(DefaultSolrThreadFactory.java:77)6    [junit4] 2> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)7    [junit4] 2> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)8    [junit4] 2> 	at java.lang.Thread.run(Thread.java:745)9    [junit4] 2> Caused by: java.lang.NoSuchMethodException: org.apache.solr.update.processor.DistributedUpdateProcessor$DistribPhase.<init>(java.lang.String, int, org.apache.solr.update.processor.DistributedUpdateProcessor)10    [junit4] 2> 	at java.lang.Class.getConstructor0(Class.java:3082)11    [junit4] 2> 	at java.lang.Class.getDeclaredConstructor(Class.java:2178)12    [junit4] 2> 	at org.powermock.reflect.internal.CandidateConstructorSearcher.getConstructors(CandidateConstructorSearcher.java:47)

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