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<a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_javadoccomment">* @@@ START COPYRIGHT @@@</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>
<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_javadoccomment">Licensed to the Apache Software Foundation (ASF) under one</em>
<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_javadoccomment">or more contributor license agreements. See the NOTICE file</em>
<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_javadoccomment">distributed with this work for additional information</em>
<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_javadoccomment">regarding copyright ownership. The ASF licenses this file</em>
<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_javadoccomment">to you under the Apache License, Version 2.0 (the</em>
<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_javadoccomment">"License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_javadoccomment">with the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>
<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_javadoccomment"> <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="13" href="#13">13</a>
<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_javadoccomment">Unless required by applicable law or agreed to in writing,</em>
<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_javadoccomment">software distributed under the License is distributed on an</em>
<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_javadoccomment">"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_javadoccomment">KIND, either express or implied. See the License for the</em>
<a class="jxr_linenumber" name="18" href="#18">18</a> <em class="jxr_javadoccomment">specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="19" href="#19">19</a> <em class="jxr_javadoccomment">under the License.</em>
<a class="jxr_linenumber" name="20" href="#20">20</a>
<a class="jxr_linenumber" name="21" href="#21">21</a> <em class="jxr_javadoccomment">* @@@ END COPYRIGHT @@@</em>
<a class="jxr_linenumber" name="22" href="#22">22</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">package</strong> org.trafodion.dcs.master.listener;
<a class="jxr_linenumber" name="24" href="#24">24</a>
<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.io.*;
<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.nio.*;
<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.nio.channels.*;
<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> java.nio.channels.spi.*;
<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> java.net.*;
<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> java.util.*;
<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
<a class="jxr_linenumber" name="33" href="#33">33</a>
<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/trafodion/dcs/master/listener/Util.html">Util</a> {
<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(Util.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="36" href="#36">36</a>
<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">static</strong> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder();
<a class="jxr_linenumber" name="38" href="#38">38</a>
<a class="jxr_linenumber" name="39" href="#39">39</a> Util(){
<a class="jxr_linenumber" name="40" href="#40">40</a> }
<a class="jxr_linenumber" name="41" href="#41">41</a>
<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> toHexString(String header, ByteBuffer buf)
<a class="jxr_linenumber" name="43" href="#43">43</a> {
<a class="jxr_linenumber" name="44" href="#44">44</a> sb.delete(0,sb.length());
<a class="jxr_linenumber" name="45" href="#45">45</a>
<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> index = 0; index &lt; buf.limit(); index++) {
<a class="jxr_linenumber" name="47" href="#47">47</a> String hex = Integer.toHexString(0x0100 + (buf.get(index) &amp; 0x00FF)).substring(1);
<a class="jxr_linenumber" name="48" href="#48">48</a> sb.append((hex.length() &lt; 2 ? <span class="jxr_string">"0"</span> : <span class="jxr_string">""</span>) + hex + <span class="jxr_string">" "</span>);
<a class="jxr_linenumber" name="49" href="#49">49</a> }
<a class="jxr_linenumber" name="50" href="#50">50</a> LOG.debug(<span class="jxr_string">"hex-&gt;"</span> + header + <span class="jxr_string">": position,limit,capacity "</span> + buf.position() + <span class="jxr_string">","</span> + buf.limit() + <span class="jxr_string">","</span> + buf.capacity());
<a class="jxr_linenumber" name="51" href="#51">51</a> LOG.debug(<span class="jxr_string">"hex-&gt;"</span>+ sb.toString());
<a class="jxr_linenumber" name="52" href="#52">52</a> }
<a class="jxr_linenumber" name="53" href="#53">53</a>
<a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">static</strong> String extractString(ByteBuffer buf) <strong class="jxr_keyword">throws</strong> java.io.UnsupportedEncodingException {
<a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">int</strong> len = buf.getInt();
<a class="jxr_linenumber" name="56" href="#56">56</a> byte[] str = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">if</strong> (len &gt; 0) {
<a class="jxr_linenumber" name="58" href="#58">58</a> str = <strong class="jxr_keyword">new</strong> byte[len - 1];;
<a class="jxr_linenumber" name="59" href="#59">59</a> buf.get(str, 0, len - 1);
<a class="jxr_linenumber" name="60" href="#60">60</a> buf.get(); <em class="jxr_comment">// trailing null</em>
<a class="jxr_linenumber" name="61" href="#61">61</a> }
<a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">else</strong>
<a class="jxr_linenumber" name="63" href="#63">63</a> str = <strong class="jxr_keyword">new</strong> byte[0];
<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> String(str, <span class="jxr_string">"UTF-8"</span>);
<a class="jxr_linenumber" name="65" href="#65">65</a> }
<a class="jxr_linenumber" name="66" href="#66">66</a>
<a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">static</strong> byte[] extractByteString(ByteBuffer buf) {
<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">int</strong> len = buf.getInt();
<a class="jxr_linenumber" name="69" href="#69">69</a> byte[] str = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">if</strong> (len &gt; 0) {
<a class="jxr_linenumber" name="71" href="#71">71</a> str = <strong class="jxr_keyword">new</strong> byte[len];
<a class="jxr_linenumber" name="72" href="#72">72</a> buf.get(str, 0, len);
<a class="jxr_linenumber" name="73" href="#73">73</a> buf.get(); <em class="jxr_comment">// trailing null</em>
<a class="jxr_linenumber" name="74" href="#74">74</a> }
<a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">else</strong>
<a class="jxr_linenumber" name="76" href="#76">76</a> str = <strong class="jxr_keyword">new</strong> byte[0];
<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">return</strong> str;
<a class="jxr_linenumber" name="78" href="#78">78</a> }
<a class="jxr_linenumber" name="79" href="#79">79</a>
<a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">static</strong> byte[] extractByteArray(ByteBuffer buf) {
<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">int</strong> len = buf.getInt();
<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">if</strong> (len &gt; 0){
<a class="jxr_linenumber" name="83" href="#83">83</a> byte[] a = <strong class="jxr_keyword">new</strong> byte[len];
<a class="jxr_linenumber" name="84" href="#84">84</a> buf.get(a, 0, len);
<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">return</strong> a;
<a class="jxr_linenumber" name="86" href="#86">86</a> }
<a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">else</strong>
<a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> byte[0];
<a class="jxr_linenumber" name="89" href="#89">89</a> }
<a class="jxr_linenumber" name="90" href="#90">90</a>
<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> insertString(String str, ByteBuffer buf) <strong class="jxr_keyword">throws</strong> java.io.UnsupportedEncodingException {
<a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">if</strong> (str != <strong class="jxr_keyword">null</strong> &amp;&amp; str.length() &gt; 0) {
<a class="jxr_linenumber" name="93" href="#93">93</a> buf.putInt(str.length() + 1);
<a class="jxr_linenumber" name="94" href="#94">94</a> buf.put(str.getBytes(<span class="jxr_string">"UTF-8"</span>), 0, str.length());
<a class="jxr_linenumber" name="95" href="#95">95</a> buf.put((byte) 0);
<a class="jxr_linenumber" name="96" href="#96">96</a> } <strong class="jxr_keyword">else</strong> { <em class="jxr_comment">// buffer is null or length 0</em>
<a class="jxr_linenumber" name="97" href="#97">97</a> buf.putInt(0);
<a class="jxr_linenumber" name="98" href="#98">98</a> }
<a class="jxr_linenumber" name="99" href="#99">99</a> }
<a class="jxr_linenumber" name="100" href="#100">100</a>
<a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> insertByteString(byte[] array, ByteBuffer buf) <strong class="jxr_keyword">throws</strong> java.io.UnsupportedEncodingException {
<a class="jxr_linenumber" name="102" href="#102">102</a> <strong class="jxr_keyword">if</strong> (array != <strong class="jxr_keyword">null</strong> &amp;&amp; array.length &gt; 0) {
<a class="jxr_linenumber" name="103" href="#103">103</a> buf.putInt(array.length);
<a class="jxr_linenumber" name="104" href="#104">104</a> buf.put(array, 0, array.length);
<a class="jxr_linenumber" name="105" href="#105">105</a> buf.put((byte) 0);
<a class="jxr_linenumber" name="106" href="#106">106</a> } <strong class="jxr_keyword">else</strong> { <em class="jxr_comment">// buffer is null or length 0</em>
<a class="jxr_linenumber" name="107" href="#107">107</a> buf.putInt(0);
<a class="jxr_linenumber" name="108" href="#108">108</a> }
<a class="jxr_linenumber" name="109" href="#109">109</a> }
<a class="jxr_linenumber" name="110" href="#110">110</a>
<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> insertByteArray(byte[] array, ByteBuffer buf) {
<a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">if</strong> (array != <strong class="jxr_keyword">null</strong> &amp;&amp; array.length &gt; 0) {
<a class="jxr_linenumber" name="113" href="#113">113</a> buf.putInt(array.length);
<a class="jxr_linenumber" name="114" href="#114">114</a> buf.put(array, 0, array.length);
<a class="jxr_linenumber" name="115" href="#115">115</a> } <strong class="jxr_keyword">else</strong>
<a class="jxr_linenumber" name="116" href="#116">116</a> buf.putInt(0);
<a class="jxr_linenumber" name="117" href="#117">117</a> }
<a class="jxr_linenumber" name="118" href="#118">118</a>
<a class="jxr_linenumber" name="119" href="#119">119</a>
<a class="jxr_linenumber" name="120" href="#120">120</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> printBBInfo(ByteBuffer buf) {
<a class="jxr_linenumber" name="121" href="#121">121</a> LOG.debug(<span class="jxr_string">"Info : position,limit,capacity "</span> + buf.position() + <span class="jxr_string">","</span> + buf.limit() + <span class="jxr_string">","</span> + buf.capacity());
<a class="jxr_linenumber" name="122" href="#122">122</a> }
<a class="jxr_linenumber" name="123" href="#123">123</a> }
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