InterceptorChain.java

package org.theonefx.wcframework.aop;

import org.theonefx.aopaloance.intercept.MethodInterceptor;
import org.theonefx.wcframework.aop.exception.AopInvocationException;

/**
 * @File          : InterceptorChain.java
 * @ClassName     : InterceptorChain
 * @Author        : TheoneFx
 * @Date          : 2013-2-26 下午02:44:45
 * @Version       : v1.0
 * @Description   : 拦截器链
 */
public class InterceptorChain {
	private MethodInterceptor[] interceptors;
	private int size = 0;

	public void add(MethodInterceptor interceprot) {
		if (interceprot == null) {
			return;
		}
		if (size == 0) {
			interceptors = new MethodInterceptor[6];
		}
		if (size == interceptors.length) {
			MethodInterceptor[] temp = interceptors;
			interceptors = new MethodInterceptor[size + 6];
			System.arraycopy(temp, 0, interceptors, 0, size);
		}
		interceptors[size] = interceprot;
		size++;
	}

	public void add(MethodInterceptor[] interceprotArray) {
		if (interceprotArray != null && interceprotArray.length > 0) {
			for (int i = 0; i < interceprotArray.length; i++) {
				add(interceprotArray[i]);
			}
		}
	}

	public MethodInterceptor get(int i) {
		if (i >= size) {
			throw new AopInvocationException("索引超出范围,索引号：" + i + ",chain大小：" + size);
		}
		return interceptors[i];
	}

	public int getSize() {
		return size;
	}

	public void setInterceptors(MethodInterceptor[] interceptors) {
		this.interceptors = interceptors;
		size = interceptors != null ? interceptors.length : 0;
	}
}