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/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.pojo.service;
import org.jboss.as.pojo.logging.PojoLogger;
import org.jboss.as.server.deployment.reflect.ClassReflectionIndex;
import org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
/**
* Default bean info.
*
* @author Ales Justin
*/
@SuppressWarnings({"unchecked"})
public class DefaultBeanInfo implements BeanInfo {
private final List indexes = new ArrayList();
private final Class beanClass;
private DeploymentReflectionIndex index;
private Class currentClass;
public DefaultBeanInfo(DeploymentReflectionIndex index, Class beanClass) {
this.index = index;
this.beanClass = beanClass;
this.currentClass = beanClass;
}
/**
* Do lazy lookup.
*
* @param lookup the lookup
* @param start the start
* @param depth the depth
* @return reflection index result
*/
protected U lookup(Lookup lookup, int start, int depth) {
int size;
synchronized (indexes) {
size = indexes.size();
for (int i = start; i < depth && i < size; i++) {
U result = lookup.lookup(indexes.get(i));
if (result != null)
return result;
}
}
if (currentClass == null)
return null;
synchronized (indexes) {
ClassReflectionIndex cri = index.getClassIndex(currentClass);
indexes.add(cri);
currentClass = currentClass.getSuperclass();
}
return lookup(lookup, size, depth);
}
public Constructor getConstructor(final String... parameterTypes) {
return lookup(
new Lookup>() {
public Constructor lookup(ClassReflectionIndex index) {
final Constructor ctor = index.getConstructor(parameterTypes);
if (ctor == null)
throw PojoLogger.ROOT_LOGGER.ctorNotFound(Arrays.toString(parameterTypes), beanClass.getName());
return ctor;
}
}, 0, 1);
}
@Override
public Constructor findConstructor(final String... parameterTypes) {
return lookup(new Lookup>() {
@Override
public Constructor lookup(ClassReflectionIndex index) {
final Collection> ctors = index.getConstructors();
for (Constructor c : ctors) {
if (Configurator.equals(parameterTypes, c.getParameterTypes()))
return c;
}
throw PojoLogger.ROOT_LOGGER.ctorNotFound(Arrays.toString(parameterTypes), beanClass.getName());
}
}, 0, 1);
}
@Override
public Field getField(final String name) {
final Field lookup = lookup(new Lookup() {
@Override
public Field lookup(ClassReflectionIndex index) {
return index.getField(name);
}
}, 0, Integer.MAX_VALUE);
if (lookup == null)
throw PojoLogger.ROOT_LOGGER.fieldNotFound(name, beanClass.getName());
return lookup;
}
@Override
public Method getMethod(final String name, final String... parameterTypes) {
final Method lookup = lookup(new Lookup() {
@Override
public Method lookup(ClassReflectionIndex index) {
Collection methods = index.getMethods(name, parameterTypes);
int size = methods.size();
switch (size) {
case 0:
return null;
case 1:
return methods.iterator().next();
default:
throw PojoLogger.ROOT_LOGGER.ambiguousMatch(methods, name, beanClass.getName());
}
}
}, 0, Integer.MAX_VALUE);
if (lookup == null)
throw PojoLogger.ROOT_LOGGER.methodNotFound(name, Arrays.toString(parameterTypes), beanClass.getName());
return lookup;
}
@Override
public Method findMethod(String name, String... parameterTypes) {
return Configurator.findMethod(index, beanClass, name, parameterTypes, false, true, true);
}
@Override
public Method getGetter(final String propertyName, final Class type) {
final boolean isBoolean = Boolean.TYPE.equals(type);
final String name = ((isBoolean) ? "is" : "get") + Character.toUpperCase(propertyName.charAt(0)) + propertyName.substring(1);
final Method result = lookup(new Lookup() {
@Override
public Method lookup(ClassReflectionIndex index) {
Collection methods = index.getAllMethods(name, 0);
if (type == null) {
if (methods.size() == 1)
return methods.iterator().next();
else
return null;
}
for (Method m : methods) {
Class pt = m.getReturnType();
if (pt.isAssignableFrom(type))
return m;
}
return null;
}
}, 0, Integer.MAX_VALUE);
if (result == null)
throw PojoLogger.ROOT_LOGGER.getterNotFound(type, beanClass.getName());
return result;
}
@Override
public Method getSetter(final String propertyName, final Class type) {
final String name = "set" + Character.toUpperCase(propertyName.charAt(0)) + propertyName.substring(1);
final Method result = lookup(new Lookup() {
@Override
public Method lookup(ClassReflectionIndex index) {
Collection methods = index.getAllMethods(name, 1);
if (type == null) {
if (methods.size() == 1)
return methods.iterator().next();
else
return null;
}
for (Method m : methods) {
Class pt = m.getParameterTypes()[0];
if (pt.isAssignableFrom(type))
return m;
}
return null;
}
}, 0, Integer.MAX_VALUE);
if (result == null)
throw PojoLogger.ROOT_LOGGER.setterNotFound(type, beanClass.getName());
return result;
}
private interface Lookup {
U lookup(ClassReflectionIndex index);
}
}
