/*
* Copyright 2004-2015 the Seasar Foundation and the Others.
*
* Licensed 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.seasar.framework.container.util;
import java.io.Externalizable;
import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;
import org.seasar.framework.container.ComponentDef;
import org.seasar.framework.container.ContainerConstants;
import org.seasar.framework.container.S2Container;
import org.seasar.framework.log.Logger;
import org.seasar.framework.util.StringUtil;
/**
* {@link S2Container}の用のユーティリティクラスです。
*
* @author higa
*
*/
public class S2ContainerUtil implements ContainerConstants {
private static final Logger logger = Logger
.getLogger(S2ContainerUtil.class);
private static Set notAssignableClasses = new HashSet();
static {
notAssignableClasses.add(Cloneable.class);
notAssignableClasses.add(Comparable.class);
notAssignableClasses.add(Serializable.class);
notAssignableClasses.add(Externalizable.class);
notAssignableClasses.add(ContainerConstants.class);
}
private S2ContainerUtil() {
}
/**
* アサイン可能なクラスを返します。
*
* @param componentClass
* @return アサイン可能なクラス
*/
public static Class[] getAssignableClasses(Class componentClass) {
Set classes = new HashSet();
for (Class clazz = componentClass; clazz != Object.class
&& clazz != null; clazz = clazz.getSuperclass()) {
addAssignableClasses(classes, clazz);
}
return (Class[]) classes.toArray(new Class[classes.size()]);
}
private static void addAssignableClasses(Set classes, Class clazz) {
if (notAssignableClasses.contains(clazz)) {
return;
}
classes.add(clazz);
Class[] interfaces = clazz.getInterfaces();
for (int i = 0; i < interfaces.length; ++i) {
addAssignableClasses(classes, interfaces[i]);
}
}
/**
* {@link ComponentDef}を登録したときのログを出力します。
*
* @param cd
*/
public static void putRegisterLog(final ComponentDef cd) {
if (logger.isDebugEnabled()) {
final StringBuffer buf = new StringBuffer(100);
final Class componentClass = cd.getComponentClass();
if (componentClass != null) {
buf.append(componentClass.getName());
}
final String componentName = cd.getComponentName();
if (!StringUtil.isEmpty(componentName)) {
buf.append("[").append(componentName).append("]");
}
logger.log("DSSR0105", new Object[] { new String(buf) });
}
}
}