Java tutorial
/******************************************************************************* * Copyright 2011 Pascal Metrics * * 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.opensafety.hishare.model.factories; import java.util.Calendar; import java.util.UUID; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.opensafety.hishare.model.Parcel; import org.opensafety.hishare.util.interfaces.Encryption; import org.opensafety.hishare.util.interfaces.Encryption.CryptographyException; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; @Component public class ParcelFactory { @Autowired Encryption encryption; private Log log = LogFactory.getLog(ParcelFactory.class); private String createParcelId() { return UUID.randomUUID().toString(); } private String createPayloadLocation() { return UUID.randomUUID().toString(); } public Parcel createParcel(String parcelName, Integer daysToLive) { Calendar calendar = Calendar.getInstance(); calendar.add(Calendar.DATE, daysToLive); Parcel newParcel = null; try { String password = encryption.createPassword(); byte[] salt = encryption.createSalt(); byte[] hashedPassword = encryption.hashPassword(password, salt); newParcel = new Parcel(createParcelId(), parcelName, calendar.getTime(), createPayloadLocation(), password, hashedPassword, salt); } catch (CryptographyException e) { log.error("Parcel Creation Failed", e); } return newParcel; } }