/*
 * Copyright 2004-2013 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.beans;

import java.lang.reflect.Constructor;

import org.seasar.framework.exception.SRuntimeException;

/**
 * {@link Constructor}が見つからなかったときにスローされる例外Vです。
 * 
 * @author higa
 */
public class ConstructorNotFoundRuntimeException extends SRuntimeException {

    private static final long serialVersionUID = 8584662068396978822L;

    private Class targetClass;

    private Object[] methodArgs;

    private Class[] paramTypes;

    /**
     * {@link ConstructorNotFoundRuntimeException}を作成します。
     * 
     * @param targetClass
     * @param methodArgs
     */
    public ConstructorNotFoundRuntimeException(Class targetClass,
            Object[] methodArgs) {
        super("ESSR0048", new Object[] { targetClass.getName(),
                getSignature(methodArgs) });

        this.targetClass = targetClass;
        this.methodArgs = methodArgs;
    }

    /**
     * {@link ConstructorNotFoundRuntimeException}を作成します。
     * 
     * @param targetClass
     * @param paramTypes
     */
    public ConstructorNotFoundRuntimeException(Class targetClass,
            Class[] paramTypes) {
        super("ESSR0048", new Object[] { targetClass.getName(),
                getSignature(paramTypes) });

        this.targetClass = targetClass;
        this.paramTypes = paramTypes;
    }

    /**
     * ターゲットのクラスを返します。
     * 
     * @return ターゲットのクラス
     */
    public Class getTargetClass() {
        return targetClass;
    }

    /**
     * メソッドの引数の配列を返します。
     * 
     * @return メソッドの引数の配列
     */
    public Object[] getMethodArgs() {
        return methodArgs;
    }

    /**
     * パラメータの型の配列を返します。
     * 
     * @return
     */
    public Class[] getParamTypes() {
        return paramTypes;
    }

    private static String getSignature(Object[] methodArgs) {
        StringBuffer buf = new StringBuffer(100);
        if (methodArgs != null) {
            for (int i = 0; i < methodArgs.length; ++i) {
                if (i > 0) {
                    buf.append(", ");
                }
                if (methodArgs[i] != null) {
                    buf.append(methodArgs[i].getClass().getName());
                } else {
                    buf.append("null");
                }
            }
        }
        return buf.toString();
    }

    private static String getSignature(Class[] paramTypes) {
        StringBuffer buf = new StringBuffer(100);
        if (paramTypes != null) {
            for (int i = 0; i < paramTypes.length; ++i) {
                if (i > 0) {
                    buf.append(", ");
                }
                if (paramTypes[i] != null) {
                    buf.append(paramTypes[i].getName());
                } else {
                    buf.append("null");
                }
            }
        }
        return buf.toString();
    }
}
