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/protocols/smpp/src/main/java/org/mobicents/protocols/smpp/gsm/AbstractHeaderElement.java

http://mobicents.googlecode.com/
Java | 75 lines | 34 code | 11 blank | 30 comment | 4 complexity | 252d75435f09376e638f7cf53c91266b MD5 | raw file
 1/*
 2 * JBoss, Home of Professional Open Source
 3 * Copyright 2011, Red Hat, Inc. and individual contributors
 4 * by the @authors tag. See the copyright.txt in the distribution for a
 5 * full listing of individual contributors.
 6 *
 7 * This is free software; you can redistribute it and/or modify it
 8 * under the terms of the GNU Lesser General Public License as
 9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22
23package org.mobicents.protocols.smpp.gsm;
24
25import java.nio.ByteBuffer;
26import java.util.List;
27
28
29/**
30 * Abstract base class for {@link HeaderElement} implementations.
31 * @version $Id: AbstractHeaderElement.java 484 2010-02-08 16:08:50Z orank $
32 */
33public abstract class AbstractHeaderElement implements HeaderElement {
34    /**
35     * Complete will be true after the element has been successfully written,
36     * and false if not yet written to a segment. This only makes sense
37     * for non-recurring elements.
38     */
39    private boolean complete;
40    
41    @Override
42    public boolean equals(Object obj) {
43        if (obj == null) {
44            return false;
45        }
46        return getClass().equals(obj.getClass());
47    }
48
49    public void reset() {
50    }
51    
52    public boolean isComplete() {
53        return complete;
54    }
55
56    public boolean isRecurring() {
57        return false;
58    }
59    
60    public boolean write(int segmentNum, ByteBuffer buffer) {
61        if (buffer.remaining() < getLength() + 2) {
62            return false;
63        } else {
64            complete = doWrite(segmentNum, buffer);
65            return complete;
66        }
67    }
68
69    public void postProcess(List<ByteBuffer> segments) {
70    }
71    
72    protected boolean doWrite(int segmentNum, ByteBuffer buffer) {
73        return true;
74    }
75}