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| <div id="overview"><a href="../../../../../apidocs/org/trafodion/dcs/util/ByteBufferUtils.html">View Javadoc</a></div><pre> |
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| <a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_comment">/*</em> |
| <a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em> |
| <a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment"> * you may not use this file except in compliance with the License.</em> |
| <a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * You may obtain a copy of the License at</em> |
| <a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * <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="7" href="#7">7</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em> |
| <a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em> |
| <a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em> |
| <a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em> |
| <a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_comment"> * limitations under the License.</em> |
| <a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_comment"> */</em> |
| <a class="jxr_linenumber" name="14" href="#14">14</a> <strong class="jxr_keyword">package</strong> org.trafodion.dcs.util; |
| <a class="jxr_linenumber" name="15" href="#15">15</a> |
| <a class="jxr_linenumber" name="16" href="#16">16</a> <strong class="jxr_keyword">import</strong> org.trafodion.dcs.servermt.ServerConstants; |
| <a class="jxr_linenumber" name="17" href="#17">17</a> |
| <a class="jxr_linenumber" name="18" href="#18">18</a> <strong class="jxr_keyword">import</strong> java.nio.ByteBuffer; |
| <a class="jxr_linenumber" name="19" href="#19">19</a> <strong class="jxr_keyword">import</strong> java.nio.ByteOrder; |
| <a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> java.math.*; |
| <a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> java.util.Arrays; |
| <a class="jxr_linenumber" name="22" href="#22">22</a> |
| <a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log; |
| <a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory; |
| <a class="jxr_linenumber" name="25" href="#25">25</a> |
| <a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/util/ByteBufferUtils.html">ByteBufferUtils</a> { |
| <a class="jxr_linenumber" name="27" href="#27">27</a> |
| <a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(ByteBufferUtils.<strong class="jxr_keyword">class</strong>); |
| <a class="jxr_linenumber" name="29" href="#29">29</a> |
| <a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/trafodion/dcs/util/ByteBufferUtils.html">ByteBufferUtils</a>() { |
| <a class="jxr_linenumber" name="31" href="#31">31</a> } |
| <a class="jxr_linenumber" name="32" href="#32">32</a> |
| <a class="jxr_linenumber" name="33" href="#33">33</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="34" href="#34">34</a> <em class="jxr_javadoccomment"> * Allocate ByteBuffer.</em> |
| <a class="jxr_linenumber" name="35" href="#35">35</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="36" href="#36">36</a> <em class="jxr_javadoccomment"> * @param capacity</em> |
| <a class="jxr_linenumber" name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * ByteBuffer capacity</em> |
| <a class="jxr_linenumber" name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * @param direct</em> |
| <a class="jxr_linenumber" name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * allocate DirectByteBuffer</em> |
| <a class="jxr_linenumber" name="40" href="#40">40</a> <em class="jxr_javadoccomment"> * @return</em> |
| <a class="jxr_linenumber" name="41" href="#41">41</a> <em class="jxr_javadoccomment"> * allocated ByteBuffer</em> |
| <a class="jxr_linenumber" name="42" href="#42">42</a> <em class="jxr_javadoccomment"> * @throws IllegalArgumentException</em> |
| <a class="jxr_linenumber" name="43" href="#43">43</a> <em class="jxr_javadoccomment"> * if capacity is negative</em> |
| <a class="jxr_linenumber" name="44" href="#44">44</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> ByteBuffer allocate(<strong class="jxr_keyword">int</strong> capacity, <strong class="jxr_keyword">boolean</strong> direct) |
| <a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">throws</strong> IllegalArgumentException { |
| <a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">if</strong> (capacity < 0) |
| <a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"capacity can't be negative"</span>); |
| <a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">return</strong> direct ? ByteBuffer.allocateDirect(capacity) : ByteBuffer.allocate(capacity); |
| <a class="jxr_linenumber" name="50" href="#50">50</a> } |
| <a class="jxr_linenumber" name="51" href="#51">51</a> |
| <a class="jxr_linenumber" name="52" href="#52">52</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="53" href="#53">53</a> <em class="jxr_javadoccomment"> * Increase ByteBuffer's capacity.</em> |
| <a class="jxr_linenumber" name="54" href="#54">54</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="55" href="#55">55</a> <em class="jxr_javadoccomment"> * @param buffer</em> |
| <a class="jxr_linenumber" name="56" href="#56">56</a> <em class="jxr_javadoccomment"> * the ByteBuffer want to increase capacity</em> |
| <a class="jxr_linenumber" name="57" href="#57">57</a> <em class="jxr_javadoccomment"> * @param size</em> |
| <a class="jxr_linenumber" name="58" href="#58">58</a> <em class="jxr_javadoccomment"> * increased size</em> |
| <a class="jxr_linenumber" name="59" href="#59">59</a> <em class="jxr_javadoccomment"> * @return</em> |
| <a class="jxr_linenumber" name="60" href="#60">60</a> <em class="jxr_javadoccomment"> * increased capacity ByteBuffer</em> |
| <a class="jxr_linenumber" name="61" href="#61">61</a> <em class="jxr_javadoccomment"> * @throws IllegalArgumentException</em> |
| <a class="jxr_linenumber" name="62" href="#62">62</a> <em class="jxr_javadoccomment"> * if size less than 0 or buffer is null</em> |
| <a class="jxr_linenumber" name="63" href="#63">63</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> ByteBuffer increaseCapacity(ByteBuffer buffer, <strong class="jxr_keyword">int</strong> size) |
| <a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">throws</strong> IllegalArgumentException { |
| <a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">if</strong> (buffer == <strong class="jxr_keyword">null</strong>) |
| <a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"buffer is null"</span>); |
| <a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">if</strong> (size < 0) |
| <a class="jxr_linenumber" name="69" href="#69">69</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"size less than 0"</span>); |
| <a class="jxr_linenumber" name="70" href="#70">70</a> |
| <a class="jxr_linenumber" name="71" href="#71">71</a> ByteOrder buffOrder = buffer.order(); |
| <a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">int</strong> capacity = buffer.capacity() + size; |
| <a class="jxr_linenumber" name="73" href="#73">73</a> ByteBuffer result = allocate(capacity, buffer.isDirect()); |
| <a class="jxr_linenumber" name="74" href="#74">74</a> result.order(buffOrder); |
| <a class="jxr_linenumber" name="75" href="#75">75</a> buffer.flip(); |
| <a class="jxr_linenumber" name="76" href="#76">76</a> result.put(buffer); |
| <a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">return</strong> result; |
| <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> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="81" href="#81">81</a> <em class="jxr_javadoccomment"> * Gather ByteBuffers to one ByteBuffer.</em> |
| <a class="jxr_linenumber" name="82" href="#82">82</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="83" href="#83">83</a> <em class="jxr_javadoccomment"> * @param buffers</em> |
| <a class="jxr_linenumber" name="84" href="#84">84</a> <em class="jxr_javadoccomment"> * ByteBuffers</em> |
| <a class="jxr_linenumber" name="85" href="#85">85</a> <em class="jxr_javadoccomment"> * @return</em> |
| <a class="jxr_linenumber" name="86" href="#86">86</a> <em class="jxr_javadoccomment"> * the gather ByteBuffer</em> |
| <a class="jxr_linenumber" name="87" href="#87">87</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> ByteBuffer gather(ByteBuffer[] buffers) { |
| <a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">int</strong> remaining = 0; |
| <a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < buffers.length; i++) { |
| <a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">if</strong> (buffers[i] != <strong class="jxr_keyword">null</strong>) |
| <a class="jxr_linenumber" name="92" href="#92">92</a> remaining += buffers[i].remaining(); |
| <a class="jxr_linenumber" name="93" href="#93">93</a> } |
| <a class="jxr_linenumber" name="94" href="#94">94</a> ByteBuffer result = ByteBuffer.allocate(remaining); |
| <a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < buffers.length; i++) { |
| <a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">if</strong> (buffers[i] != <strong class="jxr_keyword">null</strong>) |
| <a class="jxr_linenumber" name="97" href="#97">97</a> result.put(buffers[i]); |
| <a class="jxr_linenumber" name="98" href="#98">98</a> } |
| <a class="jxr_linenumber" name="99" href="#99">99</a> result.flip(); |
| <a class="jxr_linenumber" name="100" href="#100">100</a> <strong class="jxr_keyword">return</strong> result; |
| <a class="jxr_linenumber" name="101" href="#101">101</a> } |
| <a class="jxr_linenumber" name="102" href="#102">102</a> |
| <a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment"> * Judge ByteBuffers have remaining bytes.</em> |
| <a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment"> * @param buffers</em> |
| <a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment"> * ByteBuffers</em> |
| <a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment"> * @return</em> |
| <a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment"> * have remaining</em> |
| <a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> hasRemaining(ByteBuffer[] buffers) { |
| <a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">if</strong> (buffers == <strong class="jxr_keyword">null</strong>) |
| <a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">return</strong> false; |
| <a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < buffers.length; i++) { |
| <a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">if</strong> (buffers[i] != <strong class="jxr_keyword">null</strong> && buffers[i].hasRemaining()) |
| <a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>; |
| <a class="jxr_linenumber" name="117" href="#117">117</a> } |
| <a class="jxr_linenumber" name="118" href="#118">118</a> <strong class="jxr_keyword">return</strong> false; |
| <a class="jxr_linenumber" name="119" href="#119">119</a> } |
| <a class="jxr_linenumber" name="120" href="#120">120</a> |
| <a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment"> * Returns the index within this buffer of the first occurrence of the</em> |
| <a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment"> * specified pattern buffer.</em> |
| <a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_javadoccomment"> * @param buffer</em> |
| <a class="jxr_linenumber" name="126" href="#126">126</a> <em class="jxr_javadoccomment"> * the buffer</em> |
| <a class="jxr_linenumber" name="127" href="#127">127</a> <em class="jxr_javadoccomment"> * @param pattern</em> |
| <a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_javadoccomment"> * the pattern buffer</em> |
| <a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment"> * @return</em> |
| <a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment"> * the position within the buffer of the first occurrence of the </em> |
| <a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_javadoccomment"> * pattern buffer</em> |
| <a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="133" href="#133">133</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> indexOf(ByteBuffer buffer, ByteBuffer pattern) { |
| <a class="jxr_linenumber" name="134" href="#134">134</a> <strong class="jxr_keyword">int</strong> patternPos = pattern.position(); |
| <a class="jxr_linenumber" name="135" href="#135">135</a> <strong class="jxr_keyword">int</strong> patternLen = pattern.remaining(); |
| <a class="jxr_linenumber" name="136" href="#136">136</a> <strong class="jxr_keyword">int</strong> lastIndex = buffer.limit() - patternLen + 1; |
| <a class="jxr_linenumber" name="137" href="#137">137</a> |
| <a class="jxr_linenumber" name="138" href="#138">138</a> Label: <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = buffer.position(); i < lastIndex; i++) { |
| <a class="jxr_linenumber" name="139" href="#139">139</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j < patternLen; j++) { |
| <a class="jxr_linenumber" name="140" href="#140">140</a> <strong class="jxr_keyword">if</strong> (buffer.get(i + j) != pattern.get(patternPos + j)) |
| <a class="jxr_linenumber" name="141" href="#141">141</a> <strong class="jxr_keyword">continue</strong> Label; |
| <a class="jxr_linenumber" name="142" href="#142">142</a> } |
| <a class="jxr_linenumber" name="143" href="#143">143</a> <strong class="jxr_keyword">return</strong> i; |
| <a class="jxr_linenumber" name="144" href="#144">144</a> } |
| <a class="jxr_linenumber" name="145" href="#145">145</a> <strong class="jxr_keyword">return</strong> -1; |
| <a class="jxr_linenumber" name="146" href="#146">146</a> } |
| <a class="jxr_linenumber" name="147" href="#147">147</a> <em class="jxr_comment">//</em> |
| <a class="jxr_linenumber" name="148" href="#148">148</a> <em class="jxr_comment">//============================================================</em> |
| <a class="jxr_linenumber" name="149" href="#149">149</a> <em class="jxr_comment">//</em> |
| <a class="jxr_linenumber" name="150" href="#150">150</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> toHexString(String header, ByteBuffer buf) |
| <a class="jxr_linenumber" name="151" href="#151">151</a> { |
| <a class="jxr_linenumber" name="152" href="#152">152</a> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder(); |
| <a class="jxr_linenumber" name="153" href="#153">153</a> <strong class="jxr_keyword">int</strong> bufPosition = buf.position(); |
| <a class="jxr_linenumber" name="154" href="#154">154</a> <strong class="jxr_keyword">int</strong> bufLimit = buf.limit(); |
| <a class="jxr_linenumber" name="155" href="#155">155</a> |
| <a class="jxr_linenumber" name="156" href="#156">156</a> <em class="jxr_comment">// sb.delete(0,sb.length());</em> |
| <a class="jxr_linenumber" name="157" href="#157">157</a> |
| <a class="jxr_linenumber" name="158" href="#158">158</a> LOG.debug(<span class="jxr_string">"hex->"</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="159" href="#159">159</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> index = buf.position(); index < buf.limit(); index++) { |
| <a class="jxr_linenumber" name="160" href="#160">160</a> String hex = Integer.toHexString(0x0100 + (buf.get(index) & 0x00FF)).substring(1); |
| <a class="jxr_linenumber" name="161" href="#161">161</a> sb.append((hex.length() < 2 ? <span class="jxr_string">"0"</span> : <span class="jxr_string">""</span>) + hex + <span class="jxr_string">" "</span>); |
| <a class="jxr_linenumber" name="162" href="#162">162</a> } |
| <a class="jxr_linenumber" name="163" href="#163">163</a> LOG.debug(<span class="jxr_string">"hex->"</span>+ sb.toString()); |
| <a class="jxr_linenumber" name="164" href="#164">164</a> buf.position(bufPosition); |
| <a class="jxr_linenumber" name="165" href="#165">165</a> buf.limit(bufLimit); |
| <a class="jxr_linenumber" name="166" href="#166">166</a> } |
| <a class="jxr_linenumber" name="167" href="#167">167</a> |
| <a class="jxr_linenumber" name="168" href="#168">168</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> toHexString(String header, ByteBuffer buf, <strong class="jxr_keyword">int</strong> length) |
| <a class="jxr_linenumber" name="169" href="#169">169</a> { |
| <a class="jxr_linenumber" name="170" href="#170">170</a> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder(); |
| <a class="jxr_linenumber" name="171" href="#171">171</a> <strong class="jxr_keyword">int</strong> bufPosition = buf.position(); |
| <a class="jxr_linenumber" name="172" href="#172">172</a> <strong class="jxr_keyword">int</strong> bufLimit = buf.limit(); |
| <a class="jxr_linenumber" name="173" href="#173">173</a> <strong class="jxr_keyword">int</strong> len = bufPosition + length; |
| <a class="jxr_linenumber" name="174" href="#174">174</a> len = len > bufLimit ? bufLimit : len; |
| <a class="jxr_linenumber" name="175" href="#175">175</a> |
| <a class="jxr_linenumber" name="176" href="#176">176</a> <em class="jxr_comment">// sb.delete(0,sb.length());</em> |
| <a class="jxr_linenumber" name="177" href="#177">177</a> |
| <a class="jxr_linenumber" name="178" href="#178">178</a> LOG.debug(<span class="jxr_string">"hex->"</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="179" href="#179">179</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> index = buf.position(); index < len; index++) { |
| <a class="jxr_linenumber" name="180" href="#180">180</a> String hex = Integer.toHexString(0x0100 + (buf.get(index) & 0x00FF)).substring(1); |
| <a class="jxr_linenumber" name="181" href="#181">181</a> sb.append((hex.length() < 2 ? <span class="jxr_string">"0"</span> : <span class="jxr_string">""</span>) + hex + <span class="jxr_string">" "</span>); |
| <a class="jxr_linenumber" name="182" href="#182">182</a> } |
| <a class="jxr_linenumber" name="183" href="#183">183</a> LOG.debug(<span class="jxr_string">"hex->"</span>+ sb.toString()); |
| <a class="jxr_linenumber" name="184" href="#184">184</a> buf.position(bufPosition); |
| <a class="jxr_linenumber" name="185" href="#185">185</a> buf.limit(bufLimit); |
| <a class="jxr_linenumber" name="186" href="#186">186</a> } |
| <a class="jxr_linenumber" name="187" href="#187">187</a> |
| <a class="jxr_linenumber" name="188" href="#188">188</a> <em class="jxr_comment">//========================== extract ==================================</em> |
| <a class="jxr_linenumber" name="189" href="#189">189</a> |
| <a class="jxr_linenumber" name="190" href="#190">190</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String extractString(ByteBuffer buf) <strong class="jxr_keyword">throws</strong> java.io.UnsupportedEncodingException { |
| <a class="jxr_linenumber" name="191" href="#191">191</a> <strong class="jxr_keyword">int</strong> len = buf.getInt(); |
| <a class="jxr_linenumber" name="192" href="#192">192</a> byte[] str = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="193" href="#193">193</a> <strong class="jxr_keyword">if</strong> (len > 0) { |
| <a class="jxr_linenumber" name="194" href="#194">194</a> str = <strong class="jxr_keyword">new</strong> byte[len - 1];; |
| <a class="jxr_linenumber" name="195" href="#195">195</a> buf.get(str, 0, len - 1); |
| <a class="jxr_linenumber" name="196" href="#196">196</a> buf.get(); <em class="jxr_comment">// trailing null</em> |
| <a class="jxr_linenumber" name="197" href="#197">197</a> } |
| <a class="jxr_linenumber" name="198" href="#198">198</a> <strong class="jxr_keyword">else</strong> |
| <a class="jxr_linenumber" name="199" href="#199">199</a> str = <strong class="jxr_keyword">new</strong> byte[0]; |
| <a class="jxr_linenumber" name="200" href="#200">200</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="201" href="#201">201</a> } |
| <a class="jxr_linenumber" name="202" href="#202">202</a> |
| <a class="jxr_linenumber" name="203" href="#203">203</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String extractStringWithCharset(ByteBuffer buf) <strong class="jxr_keyword">throws</strong> java.io.UnsupportedEncodingException { |
| <a class="jxr_linenumber" name="204" href="#204">204</a> <strong class="jxr_keyword">int</strong> len; |
| <a class="jxr_linenumber" name="205" href="#205">205</a> <strong class="jxr_keyword">int</strong> charset = 15; <em class="jxr_comment">//UTF-8</em> |
| <a class="jxr_linenumber" name="206" href="#206">206</a> byte[] str = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="207" href="#207">207</a> |
| <a class="jxr_linenumber" name="208" href="#208">208</a> len = buf.getInt(); |
| <a class="jxr_linenumber" name="209" href="#209">209</a> <strong class="jxr_keyword">if</strong> (len > 0) { |
| <a class="jxr_linenumber" name="210" href="#210">210</a> str = <strong class="jxr_keyword">new</strong> byte[len - 1];; |
| <a class="jxr_linenumber" name="211" href="#211">211</a> buf.get(str, 0, len - 1); |
| <a class="jxr_linenumber" name="212" href="#212">212</a> buf.get(); <em class="jxr_comment">// trailing null</em> |
| <a class="jxr_linenumber" name="213" href="#213">213</a> charset = buf.getInt(); |
| <a class="jxr_linenumber" name="214" href="#214">214</a> } |
| <a class="jxr_linenumber" name="215" href="#215">215</a> <strong class="jxr_keyword">else</strong> |
| <a class="jxr_linenumber" name="216" href="#216">216</a> str = <strong class="jxr_keyword">new</strong> byte[0]; |
| <a class="jxr_linenumber" name="217" href="#217">217</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> String(str, charsetToString(charset)); |
| <a class="jxr_linenumber" name="218" href="#218">218</a> } |
| <a class="jxr_linenumber" name="219" href="#219">219</a> |
| <a class="jxr_linenumber" name="220" href="#220">220</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] extractByteString(ByteBuffer buf) { |
| <a class="jxr_linenumber" name="221" href="#221">221</a> <strong class="jxr_keyword">int</strong> len = buf.getInt(); |
| <a class="jxr_linenumber" name="222" href="#222">222</a> byte[] str = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="223" href="#223">223</a> <strong class="jxr_keyword">if</strong> (len > 0) { |
| <a class="jxr_linenumber" name="224" href="#224">224</a> str = <strong class="jxr_keyword">new</strong> byte[len]; |
| <a class="jxr_linenumber" name="225" href="#225">225</a> buf.get(str, 0, len); |
| <a class="jxr_linenumber" name="226" href="#226">226</a> buf.get(); <em class="jxr_comment">// trailing null</em> |
| <a class="jxr_linenumber" name="227" href="#227">227</a> } |
| <a class="jxr_linenumber" name="228" href="#228">228</a> <strong class="jxr_keyword">else</strong> |
| <a class="jxr_linenumber" name="229" href="#229">229</a> str = <strong class="jxr_keyword">new</strong> byte[0]; |
| <a class="jxr_linenumber" name="230" href="#230">230</a> <strong class="jxr_keyword">return</strong> str; |
| <a class="jxr_linenumber" name="231" href="#231">231</a> } |
| <a class="jxr_linenumber" name="232" href="#232">232</a> |
| <a class="jxr_linenumber" name="233" href="#233">233</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] extractByteArray(ByteBuffer buf) { |
| <a class="jxr_linenumber" name="234" href="#234">234</a> <strong class="jxr_keyword">int</strong> len = buf.getInt(); |
| <a class="jxr_linenumber" name="235" href="#235">235</a> <strong class="jxr_keyword">if</strong> (len > 0){ |
| <a class="jxr_linenumber" name="236" href="#236">236</a> byte[] a = <strong class="jxr_keyword">new</strong> byte[len]; |
| <a class="jxr_linenumber" name="237" href="#237">237</a> buf.get(a, 0, len); |
| <a class="jxr_linenumber" name="238" href="#238">238</a> <strong class="jxr_keyword">return</strong> a; |
| <a class="jxr_linenumber" name="239" href="#239">239</a> } |
| <a class="jxr_linenumber" name="240" href="#240">240</a> <strong class="jxr_keyword">else</strong> |
| <a class="jxr_linenumber" name="241" href="#241">241</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> byte[0]; |
| <a class="jxr_linenumber" name="242" href="#242">242</a> } |
| <a class="jxr_linenumber" name="243" href="#243">243</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> extractUShort(ByteBuffer buf) { |
| <a class="jxr_linenumber" name="244" href="#244">244</a> <strong class="jxr_keyword">int</strong> value; |
| <a class="jxr_linenumber" name="245" href="#245">245</a> |
| <a class="jxr_linenumber" name="246" href="#246">246</a> byte byte1 = buf.get(), byte2 = buf.get(); |
| <a class="jxr_linenumber" name="247" href="#247">247</a> |
| <a class="jxr_linenumber" name="248" href="#248">248</a> <strong class="jxr_keyword">if</strong> (buf.order() == ByteOrder.LITTLE_ENDIAN) { |
| <a class="jxr_linenumber" name="249" href="#249">249</a> value = ((byte1 & 0x00ff) | |
| <a class="jxr_linenumber" name="250" href="#250">250</a> ((byte2 << 8) & 0xff00)); |
| <a class="jxr_linenumber" name="251" href="#251">251</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="252" href="#252">252</a> value = ((byte2 & 0x00ff) | |
| <a class="jxr_linenumber" name="253" href="#253">253</a> ((byte1 << 8) & 0xff00)); |
| <a class="jxr_linenumber" name="254" href="#254">254</a> } |
| <a class="jxr_linenumber" name="255" href="#255">255</a> <strong class="jxr_keyword">return</strong> value & 0xffff; |
| <a class="jxr_linenumber" name="256" href="#256">256</a> } |
| <a class="jxr_linenumber" name="257" href="#257">257</a> |
| <a class="jxr_linenumber" name="258" href="#258">258</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">long</strong> extractUInt(ByteBuffer buf) { |
| <a class="jxr_linenumber" name="259" href="#259">259</a> <strong class="jxr_keyword">long</strong> value; |
| <a class="jxr_linenumber" name="260" href="#260">260</a> |
| <a class="jxr_linenumber" name="261" href="#261">261</a> byte byte1 = buf.get(), byte2 = buf.get(), byte3 = buf.get(), byte4 = buf.get(); |
| <a class="jxr_linenumber" name="262" href="#262">262</a> |
| <a class="jxr_linenumber" name="263" href="#263">263</a> <strong class="jxr_keyword">if</strong> (buf.order() == ByteOrder.LITTLE_ENDIAN) { |
| <a class="jxr_linenumber" name="264" href="#264">264</a> value = ((byte1 & 0x000000ff) | |
| <a class="jxr_linenumber" name="265" href="#265">265</a> ((byte2 << 8) & 0x0000ff00) | |
| <a class="jxr_linenumber" name="266" href="#266">266</a> ((byte3 << 16) & 0x00ff0000) | |
| <a class="jxr_linenumber" name="267" href="#267">267</a> ((byte4 << 24) & 0xff000000)); |
| <a class="jxr_linenumber" name="268" href="#268">268</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="269" href="#269">269</a> value = ((byte4 & 0x000000ff) | |
| <a class="jxr_linenumber" name="270" href="#270">270</a> ((byte3 << 8) & 0x0000ff00) | |
| <a class="jxr_linenumber" name="271" href="#271">271</a> ((byte2 << 16) & 0x00ff0000) | |
| <a class="jxr_linenumber" name="272" href="#272">272</a> ((byte1 << 24) & 0xff000000)); |
| <a class="jxr_linenumber" name="273" href="#273">273</a> } |
| <a class="jxr_linenumber" name="274" href="#274">274</a> <strong class="jxr_keyword">return</strong> value & 0xffffffffL; |
| <a class="jxr_linenumber" name="275" href="#275">275</a> } |
| <a class="jxr_linenumber" name="276" href="#276">276</a> |
| <a class="jxr_linenumber" name="277" href="#277">277</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] extractByteArrayLen(ByteBuffer buf, <strong class="jxr_keyword">int</strong> len) { |
| <a class="jxr_linenumber" name="278" href="#278">278</a> byte[] a = <strong class="jxr_keyword">new</strong> byte[len]; |
| <a class="jxr_linenumber" name="279" href="#279">279</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < len; i++) a[i] = buf.get(); |
| <a class="jxr_linenumber" name="280" href="#280">280</a> <strong class="jxr_keyword">return</strong> a; |
| <a class="jxr_linenumber" name="281" href="#281">281</a> } |
| <a class="jxr_linenumber" name="282" href="#282">282</a> |
| <a class="jxr_linenumber" name="283" href="#283">283</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String extractShortString(ByteBuffer buf) <strong class="jxr_keyword">throws</strong> java.io.UnsupportedEncodingException { |
| <a class="jxr_linenumber" name="284" href="#284">284</a> <strong class="jxr_keyword">short</strong> len = buf.getShort(); |
| <a class="jxr_linenumber" name="285" href="#285">285</a> byte[] str = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="286" href="#286">286</a> <strong class="jxr_keyword">if</strong> (len > 0) { |
| <a class="jxr_linenumber" name="287" href="#287">287</a> str = <strong class="jxr_keyword">new</strong> byte[len]; |
| <a class="jxr_linenumber" name="288" href="#288">288</a> buf.get(str, 0, len); |
| <a class="jxr_linenumber" name="289" href="#289">289</a> <em class="jxr_comment">// buf.get(); // trailing null</em> |
| <a class="jxr_linenumber" name="290" href="#290">290</a> } |
| <a class="jxr_linenumber" name="291" href="#291">291</a> <strong class="jxr_keyword">else</strong> |
| <a class="jxr_linenumber" name="292" href="#292">292</a> str = <strong class="jxr_keyword">new</strong> byte[0]; |
| <a class="jxr_linenumber" name="293" href="#293">293</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="294" href="#294">294</a> } |
| <a class="jxr_linenumber" name="295" href="#295">295</a> <em class="jxr_comment">//============================= insert =========================================</em> |
| <a class="jxr_linenumber" name="296" href="#296">296</a> |
| <a class="jxr_linenumber" name="297" href="#297">297</a> <strong class="jxr_keyword">public</strong> <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="298" href="#298">298</a> <strong class="jxr_keyword">if</strong> (str != <strong class="jxr_keyword">null</strong> && str.length() > 0) { |
| <a class="jxr_linenumber" name="299" href="#299">299</a> buf.putInt(str.length() + 1); |
| <a class="jxr_linenumber" name="300" href="#300">300</a> buf.put(str.getBytes(<span class="jxr_string">"UTF-8"</span>), 0, str.length()); |
| <a class="jxr_linenumber" name="301" href="#301">301</a> buf.put((byte) 0); |
| <a class="jxr_linenumber" name="302" href="#302">302</a> } <strong class="jxr_keyword">else</strong> { <em class="jxr_comment">// buffer is null or length 0</em> |
| <a class="jxr_linenumber" name="303" href="#303">303</a> buf.putInt(0); |
| <a class="jxr_linenumber" name="304" href="#304">304</a> } |
| <a class="jxr_linenumber" name="305" href="#305">305</a> } |
| <a class="jxr_linenumber" name="306" href="#306">306</a> |
| <a class="jxr_linenumber" name="307" href="#307">307</a> <strong class="jxr_keyword">public</strong> <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="308" href="#308">308</a> <strong class="jxr_keyword">if</strong> (array != <strong class="jxr_keyword">null</strong> && array.length > 0) { |
| <a class="jxr_linenumber" name="309" href="#309">309</a> buf.putInt(array.length); |
| <a class="jxr_linenumber" name="310" href="#310">310</a> buf.put(array, 0, array.length); |
| <a class="jxr_linenumber" name="311" href="#311">311</a> buf.put((byte) 0); |
| <a class="jxr_linenumber" name="312" href="#312">312</a> } <strong class="jxr_keyword">else</strong> { <em class="jxr_comment">// buffer is null or length 0</em> |
| <a class="jxr_linenumber" name="313" href="#313">313</a> buf.putInt(0); |
| <a class="jxr_linenumber" name="314" href="#314">314</a> } |
| <a class="jxr_linenumber" name="315" href="#315">315</a> } |
| <a class="jxr_linenumber" name="316" href="#316">316</a> |
| <a class="jxr_linenumber" name="317" href="#317">317</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> insertStringWithCharset(byte[] str, <strong class="jxr_keyword">int</strong> charset, ByteBuffer buf) <strong class="jxr_keyword">throws</strong> java.io.UnsupportedEncodingException { |
| <a class="jxr_linenumber" name="318" href="#318">318</a> <strong class="jxr_keyword">if</strong> (str != <strong class="jxr_keyword">null</strong> && str.length > 0) { |
| <a class="jxr_linenumber" name="319" href="#319">319</a> buf.putInt(str.length + 1); |
| <a class="jxr_linenumber" name="320" href="#320">320</a> buf.put(str, 0, str.length); |
| <a class="jxr_linenumber" name="321" href="#321">321</a> buf.put((byte) 0); |
| <a class="jxr_linenumber" name="322" href="#322">322</a> buf.putInt(charset); |
| <a class="jxr_linenumber" name="323" href="#323">323</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="324" href="#324">324</a> buf.putInt(0); |
| <a class="jxr_linenumber" name="325" href="#325">325</a> } |
| <a class="jxr_linenumber" name="326" href="#326">326</a> } |
| <a class="jxr_linenumber" name="327" href="#327">327</a> |
| <a class="jxr_linenumber" name="328" href="#328">328</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> insertByteArray(byte[] array, ByteBuffer buf) { |
| <a class="jxr_linenumber" name="329" href="#329">329</a> <strong class="jxr_keyword">if</strong> (array != <strong class="jxr_keyword">null</strong> && array.length > 0) { |
| <a class="jxr_linenumber" name="330" href="#330">330</a> buf.putInt(array.length); |
| <a class="jxr_linenumber" name="331" href="#331">331</a> buf.put(array, 0, array.length); |
| <a class="jxr_linenumber" name="332" href="#332">332</a> } <strong class="jxr_keyword">else</strong> |
| <a class="jxr_linenumber" name="333" href="#333">333</a> buf.putInt(0); |
| <a class="jxr_linenumber" name="334" href="#334">334</a> } |
| <a class="jxr_linenumber" name="335" href="#335">335</a> |
| <a class="jxr_linenumber" name="336" href="#336">336</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> insertByteArray(byte[] value, <strong class="jxr_keyword">int</strong> len, ByteBuffer buf) { |
| <a class="jxr_linenumber" name="337" href="#337">337</a> buf.put(value, 0, len); |
| <a class="jxr_linenumber" name="338" href="#338">338</a> } |
| <a class="jxr_linenumber" name="339" href="#339">339</a> |
| <a class="jxr_linenumber" name="340" href="#340">340</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> insertUInt(<strong class="jxr_keyword">long</strong> value, ByteBuffer buf) { |
| <a class="jxr_linenumber" name="341" href="#341">341</a> <strong class="jxr_keyword">if</strong> (buf.order() == ByteOrder.LITTLE_ENDIAN ){ |
| <a class="jxr_linenumber" name="342" href="#342">342</a> buf.put((byte)((value) & 0xff)); |
| <a class="jxr_linenumber" name="343" href="#343">343</a> buf.put((byte)((value >>> 8) & 0xff)); |
| <a class="jxr_linenumber" name="344" href="#344">344</a> buf.put((byte)((value >>> 16) & 0xff)); |
| <a class="jxr_linenumber" name="345" href="#345">345</a> buf.put((byte)((value >>> 24) & 0xff)); |
| <a class="jxr_linenumber" name="346" href="#346">346</a> } |
| <a class="jxr_linenumber" name="347" href="#347">347</a> <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="348" href="#348">348</a> buf.put((byte)((value >>> 24) & 0xff)); |
| <a class="jxr_linenumber" name="349" href="#349">349</a> buf.put((byte)((value >>> 16) & 0xff)); |
| <a class="jxr_linenumber" name="350" href="#350">350</a> buf.put((byte)((value >>> 8) & 0xff)); |
| <a class="jxr_linenumber" name="351" href="#351">351</a> buf.put((byte)((value) & 0xff)); |
| <a class="jxr_linenumber" name="352" href="#352">352</a> } |
| <a class="jxr_linenumber" name="353" href="#353">353</a> } |
| <a class="jxr_linenumber" name="354" href="#354">354</a> |
| <a class="jxr_linenumber" name="355" href="#355">355</a> <em class="jxr_comment">//========================= dataLength ================================================</em> |
| <a class="jxr_linenumber" name="356" href="#356">356</a> |
| <a class="jxr_linenumber" name="357" href="#357">357</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> lengthOfString(String str) { |
| <a class="jxr_linenumber" name="358" href="#358">358</a> <strong class="jxr_keyword">int</strong> dataLength = 0; |
| <a class="jxr_linenumber" name="359" href="#359">359</a> |
| <a class="jxr_linenumber" name="360" href="#360">360</a> <strong class="jxr_keyword">if</strong> (str != <strong class="jxr_keyword">null</strong> && str.length() > 0) { |
| <a class="jxr_linenumber" name="361" href="#361">361</a> dataLength += ServerConstants.INT_FIELD_SIZE; |
| <a class="jxr_linenumber" name="362" href="#362">362</a> dataLength += str.length(); |
| <a class="jxr_linenumber" name="363" href="#363">363</a> dataLength += ServerConstants.BYTE_FIELD_SIZE; |
| <a class="jxr_linenumber" name="364" href="#364">364</a> } <strong class="jxr_keyword">else</strong> |
| <a class="jxr_linenumber" name="365" href="#365">365</a> dataLength += ServerConstants.INT_FIELD_SIZE; |
| <a class="jxr_linenumber" name="366" href="#366">366</a> |
| <a class="jxr_linenumber" name="367" href="#367">367</a> <strong class="jxr_keyword">return</strong> dataLength; |
| <a class="jxr_linenumber" name="368" href="#368">368</a> } |
| <a class="jxr_linenumber" name="369" href="#369">369</a> |
| <a class="jxr_linenumber" name="370" href="#370">370</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> lengthOfByteString(byte[] array) { |
| <a class="jxr_linenumber" name="371" href="#371">371</a> <strong class="jxr_keyword">int</strong> dataLength = 0; |
| <a class="jxr_linenumber" name="372" href="#372">372</a> |
| <a class="jxr_linenumber" name="373" href="#373">373</a> <strong class="jxr_keyword">if</strong> (array != <strong class="jxr_keyword">null</strong> && array.length > 0) { |
| <a class="jxr_linenumber" name="374" href="#374">374</a> dataLength += ServerConstants.INT_FIELD_SIZE; |
| <a class="jxr_linenumber" name="375" href="#375">375</a> dataLength += array.length; |
| <a class="jxr_linenumber" name="376" href="#376">376</a> dataLength += ServerConstants.BYTE_FIELD_SIZE; |
| <a class="jxr_linenumber" name="377" href="#377">377</a> } <strong class="jxr_keyword">else</strong> |
| <a class="jxr_linenumber" name="378" href="#378">378</a> dataLength += ServerConstants.INT_FIELD_SIZE; |
| <a class="jxr_linenumber" name="379" href="#379">379</a> |
| <a class="jxr_linenumber" name="380" href="#380">380</a> <strong class="jxr_keyword">return</strong> dataLength; |
| <a class="jxr_linenumber" name="381" href="#381">381</a> } |
| <a class="jxr_linenumber" name="382" href="#382">382</a> |
| <a class="jxr_linenumber" name="383" href="#383">383</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> lengthOfStringWithCharset(byte[] array) { |
| <a class="jxr_linenumber" name="384" href="#384">384</a> <strong class="jxr_keyword">int</strong> dataLength = 0; |
| <a class="jxr_linenumber" name="385" href="#385">385</a> |
| <a class="jxr_linenumber" name="386" href="#386">386</a> <strong class="jxr_keyword">if</strong> (array != <strong class="jxr_keyword">null</strong> && array.length > 0) { |
| <a class="jxr_linenumber" name="387" href="#387">387</a> dataLength += ServerConstants.INT_FIELD_SIZE; |
| <a class="jxr_linenumber" name="388" href="#388">388</a> dataLength += array.length; |
| <a class="jxr_linenumber" name="389" href="#389">389</a> dataLength += ServerConstants.BYTE_FIELD_SIZE; |
| <a class="jxr_linenumber" name="390" href="#390">390</a> dataLength += ServerConstants.INT_FIELD_SIZE; |
| <a class="jxr_linenumber" name="391" href="#391">391</a> } <strong class="jxr_keyword">else</strong> |
| <a class="jxr_linenumber" name="392" href="#392">392</a> dataLength += ServerConstants.INT_FIELD_SIZE; |
| <a class="jxr_linenumber" name="393" href="#393">393</a> |
| <a class="jxr_linenumber" name="394" href="#394">394</a> <strong class="jxr_keyword">return</strong> dataLength; |
| <a class="jxr_linenumber" name="395" href="#395">395</a> } |
| <a class="jxr_linenumber" name="396" href="#396">396</a> |
| <a class="jxr_linenumber" name="397" href="#397">397</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> lengthOfByteArray(byte[] array) { |
| <a class="jxr_linenumber" name="398" href="#398">398</a> <strong class="jxr_keyword">int</strong> dataLength = 0; |
| <a class="jxr_linenumber" name="399" href="#399">399</a> |
| <a class="jxr_linenumber" name="400" href="#400">400</a> <strong class="jxr_keyword">if</strong> (array != <strong class="jxr_keyword">null</strong> && array.length > 0) { |
| <a class="jxr_linenumber" name="401" href="#401">401</a> dataLength += ServerConstants.INT_FIELD_SIZE; |
| <a class="jxr_linenumber" name="402" href="#402">402</a> dataLength += array.length; |
| <a class="jxr_linenumber" name="403" href="#403">403</a> } <strong class="jxr_keyword">else</strong> |
| <a class="jxr_linenumber" name="404" href="#404">404</a> dataLength += ServerConstants.INT_FIELD_SIZE; |
| <a class="jxr_linenumber" name="405" href="#405">405</a> |
| <a class="jxr_linenumber" name="406" href="#406">406</a> <strong class="jxr_keyword">return</strong> dataLength; |
| <a class="jxr_linenumber" name="407" href="#407">407</a> } |
| <a class="jxr_linenumber" name="408" href="#408">408</a> |
| <a class="jxr_linenumber" name="409" href="#409">409</a> <em class="jxr_comment">//===================================================================</em> |
| <a class="jxr_linenumber" name="410" href="#410">410</a> |
| <a class="jxr_linenumber" name="411" href="#411">411</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> printBBInfo(ByteBuffer buf) { |
| <a class="jxr_linenumber" name="412" href="#412">412</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="413" href="#413">413</a> } |
| <a class="jxr_linenumber" name="414" href="#414">414</a> |
| <a class="jxr_linenumber" name="415" href="#415">415</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String charsetToString(<strong class="jxr_keyword">int</strong> charset){ |
| <a class="jxr_linenumber" name="416" href="#416">416</a> String strCharset = <span class="jxr_string">"UTF-8"</span>; |
| <a class="jxr_linenumber" name="417" href="#417">417</a> <strong class="jxr_keyword">switch</strong> (charset) |
| <a class="jxr_linenumber" name="418" href="#418">418</a> { |
| <a class="jxr_linenumber" name="419" href="#419">419</a> <strong class="jxr_keyword">case</strong> 1: strCharset = <span class="jxr_string">"ISO8859_1"</span>; <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="420" href="#420">420</a> <strong class="jxr_keyword">case</strong> 10: strCharset = <span class="jxr_string">"MS932"</span>; <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="421" href="#421">421</a> <strong class="jxr_keyword">case</strong> 11: strCharset = <span class="jxr_string">"UTF-16BE"</span>; <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="422" href="#422">422</a> <strong class="jxr_keyword">case</strong> 12: strCharset = <span class="jxr_string">"EUCJP"</span>; <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="423" href="#423">423</a> <strong class="jxr_keyword">case</strong> 13: strCharset = <span class="jxr_string">"MS950"</span>; <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="424" href="#424">424</a> <strong class="jxr_keyword">case</strong> 14: strCharset = <span class="jxr_string">"GB18030"</span>; <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="425" href="#425">425</a> <strong class="jxr_keyword">case</strong> 15: strCharset = <span class="jxr_string">"UTF-8"</span>; <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="426" href="#426">426</a> <strong class="jxr_keyword">case</strong> 16: strCharset = <span class="jxr_string">"MS949"</span>; <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="427" href="#427">427</a> <strong class="jxr_keyword">case</strong> 17: strCharset = <span class="jxr_string">"GB2312"</span>; <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="428" href="#428">428</a> } |
| <a class="jxr_linenumber" name="429" href="#429">429</a> <strong class="jxr_keyword">return</strong> strCharset; |
| <a class="jxr_linenumber" name="430" href="#430">430</a> } |
| <a class="jxr_linenumber" name="431" href="#431">431</a> } |
| <a class="jxr_linenumber" name="432" href="#432">432</a> |
| </pre> |
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