/*
* Copyright (c) 2011-2013 The original author or authors
* ------------------------------------------------------
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package io.vertx.core.shareddata.impl;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.json.JsonArray;
import io.vertx.core.json.JsonObject;
import io.vertx.core.shareddata.Shareable;
/**
* @author <a href="http://tfox.org">Tim Fox</a>
*/
public class Checker {
static void checkType(Object obj) {
if (obj instanceof String ||
obj instanceof Integer ||
obj instanceof Long ||
obj instanceof Boolean ||
obj instanceof Double ||
obj instanceof Float ||
obj instanceof Short ||
obj instanceof Byte ||
obj instanceof Character ||
obj instanceof byte[] ||
obj instanceof Buffer ||
obj instanceof JsonObject ||
obj instanceof JsonArray ||
obj instanceof Shareable) {
} else {
throw new IllegalArgumentException("Invalid type for shareddata data structure: " + obj.getClass().getName());
}
}
static <T> T copyIfRequired(T obj) {
if (obj instanceof JsonObject) {
return (T)((JsonObject)obj).copy();
} else if (obj instanceof JsonArray) {
return (T) ((JsonArray) obj).copy();
} else if (obj instanceof byte[]) {
//Copy it
byte[] bytes = (byte[]) obj;
byte[] copy = new byte[bytes.length];
System.arraycopy(bytes, 0, copy, 0, bytes.length);
return (T) copy;
} else if (obj instanceof Buffer) {
//Copy it
return (T) ((Buffer) obj).copy();
} else {
return obj;
}
}
}