/* * TeleStax, Open Source Cloud Communications * Copyright 2012, Telestax Inc and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.mobicents.protocols.ss7.isup.impl.message.parameter; import java.io.ByteArrayOutputStream; import org.mobicents.protocols.ss7.isup.ParameterException; import org.mobicents.protocols.ss7.isup.message.parameter.ISUPParameter; /** * Base class for all parameters. It defines some methods that must be implemented by specific parameter and not visible to end * user * * @author baranowb * */ public abstract class AbstractISUPParameter implements ISUPParameter,Encodable { // protected Logger logger = Logger.getLogger(this.getClass().getName()); public int encode(ByteArrayOutputStream bos) throws ParameterException { // FIXME: this has to be removed, we should not create separate arrays? byte[] b = encode(); try { bos.write(b); } catch (Exception e) { // add code. throw new ParameterException("Failed to encode parameter", e); } return b.length; } // // /** // * Decodes this element from passed byte[] array. This array must contain only element data. however in case of constructor // * elements it may contain more information elements that consist of tag, length and contents elements, this has to be // * handled by specific implementation of this method. // * // * @param b - array containing body of parameter. // * @return // */ // public abstract int decode(byte[] b) throws ParameterException; // // /** // * Encodes elements as byte[].It contains body, tag and length should be added by enclosing element. ( See B.4/Q.763 - page // * 119) // * // * @return byte[] with encoded element. // * @throws IOException // */ // public abstract byte[] encode() throws ParameterException; }