/*
* 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 freemarker.ext.beans;
import java.lang.reflect.
Constructor;
import java.lang.reflect.
InvocationTargetException;
import java.lang.reflect.
Member;
import java.lang.reflect.
Method;
import java.lang.reflect.
Modifier;
import freemarker.template.
TemplateModel;
import freemarker.template.
TemplateModelException;
/**
* The most commonly used {@link CallableMemberDescriptor} implementation.
*/
final class
ReflectionCallableMemberDescriptor extends
CallableMemberDescriptor {
private final
Member/*Method|Constructor*/
member;
/**
* Don't modify this array!
*/
final
Class[]
paramTypes;
ReflectionCallableMemberDescriptor(
Method member,
Class[]
paramTypes) {
this.
member =
member;
this.
paramTypes =
paramTypes;
}
ReflectionCallableMemberDescriptor(
Constructor member,
Class[]
paramTypes) {
this.
member =
member;
this.
paramTypes =
paramTypes;
}
@
Override
TemplateModel invokeMethod(
BeansWrapper bw,
Object obj,
Object[]
args)
throws
TemplateModelException,
InvocationTargetException,
IllegalAccessException {
return
bw.
invokeMethod(
obj, (
Method)
member,
args);
}
@
Override
Object invokeConstructor(
BeansWrapper bw,
Object[]
args)
throws
IllegalArgumentException,
InstantiationException,
IllegalAccessException,
InvocationTargetException {
return ((
Constructor)
member).
newInstance(
args);
}
@
Override
String getDeclaration() {
return
_MethodUtil.
toString(
member);
}
@
Override
boolean
isConstructor() {
return
member instanceof
Constructor;
}
@
Override
boolean
isStatic() {
return (
member.
getModifiers() &
Modifier.
STATIC) != 0;
}
@
Override
boolean
isVarargs() {
return
_MethodUtil.
isVarargs(
member);
}
@
Override
Class[]
getParamTypes() {
return
paramTypes;
}
@
Override
String getName() {
return
member.
getName();
}
}