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Proximax P2P File Storage Java SDK (NIS1 Compatible)

There is a newer version: 0.1.0-beta.10

/*
 * Copyright 2018 ProximaX Limited
 *
 * 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 io.proximax.xpx.facade;

import io.proximax.xpx.service.model.buffers.ResourceHashMessage;
import org.apache.commons.codec.binary.Base64;
import org.nem.core.model.Transaction;
import org.nem.core.model.TransferTransaction;
import org.nem.core.model.mosaic.Mosaic;

import java.nio.ByteBuffer;
import java.util.Iterator;



/**
 * The Class AbstractFacadeService.
 */
public abstract class AbstractFacadeService {

	/**
	 * Byte to serial object.
	 *
	 * @param object
	 *            the object
	 * @return the resource hash message
	 */
	protected ResourceHashMessage deserializeResourceMessageHash(byte[] object) {
		ResourceHashMessage resourceMessage = ResourceHashMessage
				.getRootAsResourceHashMessage(ByteBuffer.wrap(Base64.decodeBase64(object)));
		return resourceMessage;
	}

	/**
	 * Check if txn have XPX mosaic.
	 *
	 * @param transaction the transaction
	 * @return true, if successful
	 */
	protected boolean checkIfTxnHaveXPXMosaic(Transaction transaction) {

		if (transaction instanceof TransferTransaction) {
			Iterator mosaicIter = ((TransferTransaction) transaction).getMosaics().iterator();
			while (mosaicIter.hasNext()) {
				Mosaic mosaic = mosaicIter.next();
				if (mosaic.getMosaicId().getNamespaceId().getRoot().toString().equals("prx")
						&& mosaic.getMosaicId().getName().equals("xpx")) {
					return true;
				}
			}

		}
		return false;
	}

}