Params.java

package com.netease.nim.demo.common.infra;

public final class Params {	
	public static final int[] getDimension(Object[] params, int index, int[] def) {
		if (params != null && params.length > index && params[index] != null) {
			if (params[index] instanceof int[]) {
				int[] param = (int[])params[index];
				if (param.length > 1) {
					return param;
				}
			}
		}
		
		return def;
	} 
	
	public static final String getString(Object[] params, int index, String def) {
		if (params != null && params.length > index && params[index] != null) {
			if (params[index] instanceof String) {
				String param = (String)params[index];
				return param;
			}
		}
		
		return def;
	} 
	
	public static final boolean getBoolean(Object[] params, int index, boolean def) {
		if (params != null && params.length > index && params[index] != null) {
			if (params[index] instanceof Boolean) {
				Boolean param = (Boolean)params[index];
				return param;
			}
		}
		
		return def;
	}
	
	public static final Object getObject(Object[] params, int index, Object def) {
		if (params != null && params.length > index && params[index] != null) {
			return params[index];
		}
		
		return def;
	}
}