| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.codehaus.groovy.reflection; |
| |
| import groovy.lang.GroovyRuntimeException; |
| import org.codehaus.groovy.runtime.InvokerHelper; |
| import org.codehaus.groovy.runtime.InvokerInvocationException; |
| |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Modifier; |
| |
| import static org.codehaus.groovy.reflection.ReflectionUtils.makeAccessibleInPrivilegedAction; |
| |
| public class CachedConstructor extends ParameterTypes { |
| private final CachedClass clazz; |
| private final Constructor cachedConstructor; |
| |
| public CachedConstructor(CachedClass clazz, final Constructor c) { |
| this.cachedConstructor = c; |
| this.clazz = clazz; |
| } |
| |
| public CachedConstructor(Constructor c) { |
| this(ReflectionCache.getCachedClass(c.getDeclaringClass()), c); |
| } |
| |
| protected Class[] getPT() { |
| return cachedConstructor.getParameterTypes(); |
| } |
| |
| public static CachedConstructor find(Constructor constructor) { |
| CachedConstructor[] constructors = ReflectionCache.getCachedClass(constructor.getDeclaringClass()).getConstructors(); |
| for (int i = 0; i < constructors.length; i++) { |
| CachedConstructor cachedConstructor = constructors[i]; |
| if (cachedConstructor.cachedConstructor.equals(constructor)) |
| return cachedConstructor; |
| } |
| throw new RuntimeException("Couldn't find method: " + constructor); |
| } |
| |
| public Object doConstructorInvoke(Object[] argumentArray) { |
| argumentArray = coerceArgumentsToClasses(argumentArray); |
| return invoke(argumentArray); |
| } |
| |
| public Object invoke(Object[] argumentArray) { |
| Constructor constr = cachedConstructor; |
| |
| if (isConstructorOfAbstractClass()) { |
| throw createException("failed to invoke constructor: ", constr, argumentArray, new InstantiationException(), true); |
| } |
| |
| makeAccessibleIfNecessary(); |
| |
| try { |
| return constr.newInstance(argumentArray); |
| } catch (InvocationTargetException e) { |
| throw e.getCause() instanceof RuntimeException ? (RuntimeException)e.getCause() : new InvokerInvocationException(e); |
| } catch (IllegalArgumentException e) { |
| throw createException("failed to invoke constructor: ", constr, argumentArray, e, false); |
| } catch (IllegalAccessException e) { |
| throw createException("could not access constructor: ", constr, argumentArray, e, false); |
| } catch (Exception e) { |
| if (e instanceof RuntimeException) |
| throw (RuntimeException)e; |
| else |
| throw createException("failed to invoke constructor: ", constr, argumentArray, e, true); |
| } |
| } |
| |
| private static GroovyRuntimeException createException(String init, Constructor constructor, Object[] argumentArray, Throwable e, boolean setReason) { |
| return new GroovyRuntimeException( |
| init |
| + constructor |
| + " with arguments: " |
| + InvokerHelper.toString(argumentArray) |
| + " reason: " |
| + e, |
| setReason ? e : null); |
| } |
| |
| public int getModifiers () { |
| return cachedConstructor.getModifiers(); |
| } |
| |
| public CachedClass getCachedClass() { |
| return clazz; |
| } |
| |
| public Class getDeclaringClass() { |
| return cachedConstructor.getDeclaringClass(); |
| } |
| |
| public Constructor getCachedConstructor() { |
| makeAccessibleIfNecessary(); |
| AccessPermissionChecker.checkAccessPermission(cachedConstructor); |
| return cachedConstructor; |
| } |
| |
| private boolean makeAccessibleDone = false; |
| private void makeAccessibleIfNecessary() { |
| if (!makeAccessibleDone) { |
| makeAccessibleInPrivilegedAction(cachedConstructor); |
| makeAccessibleDone = true; |
| } |
| } |
| |
| private boolean isConstructorOfAbstractClass() { |
| return Modifier.isAbstract(cachedConstructor.getDeclaringClass().getModifiers()); |
| } |
| } |