textlineencoder.html

MINA+API 关于MINA的API

<a name="76" href="#76">76</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/mina/filter/codec/textline/TextLineEncoder.html">TextLineEncoder</a>(Charset charset) {
<a name="77" href="#77">77</a>          <strong class="jxr_keyword">this</strong>(charset, LineDelimiter.UNIX);
<a name="78" href="#78">78</a>      }
<a name="79" href="#79">79</a>  
<a name="80" href="#80">80</a>      <em class="jxr_javadoccomment">/**</em>
<a name="81" href="#81">81</a>  <em class="jxr_javadoccomment">     * Creates a new instance with the spcified &lt;tt&gt;charset&lt;/tt&gt;</em>
<a name="82" href="#82">82</a>  <em class="jxr_javadoccomment">     * and the specified &lt;tt&gt;delimiter&lt;/tt&gt;.</em>
<a name="83" href="#83">83</a>  <em class="jxr_javadoccomment">     */</em>
<a name="84" href="#84">84</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/mina/filter/codec/textline/TextLineEncoder.html">TextLineEncoder</a>(Charset charset, String delimiter) {
<a name="85" href="#85">85</a>          <strong class="jxr_keyword">this</strong>(charset, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/mina/filter/codec/textline/LineDelimiter.html">LineDelimiter</a>(delimiter));
<a name="86" href="#86">86</a>      }
<a name="87" href="#87">87</a>      
<a name="88" href="#88">88</a>      <em class="jxr_javadoccomment">/**</em>
<a name="89" href="#89">89</a>  <em class="jxr_javadoccomment">     * Creates a new instance with the spcified &lt;tt&gt;charset&lt;/tt&gt;</em>
<a name="90" href="#90">90</a>  <em class="jxr_javadoccomment">     * and the specified &lt;tt&gt;delimiter&lt;/tt&gt;.</em>
<a name="91" href="#91">91</a>  <em class="jxr_javadoccomment">     */</em>
<a name="92" href="#92">92</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/mina/filter/codec/textline/TextLineEncoder.html">TextLineEncoder</a>(Charset charset, <a href="../../../../../../org/apache/mina/filter/codec/textline/LineDelimiter.html">LineDelimiter</a> delimiter) {
<a name="93" href="#93">93</a>          <strong class="jxr_keyword">if</strong> (charset == <strong class="jxr_keyword">null</strong>) {
<a name="94" href="#94">94</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"charset"</span>);
<a name="95" href="#95">95</a>          }
<a name="96" href="#96">96</a>          <strong class="jxr_keyword">if</strong> (delimiter == <strong class="jxr_keyword">null</strong>) {
<a name="97" href="#97">97</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"delimiter"</span>);
<a name="98" href="#98">98</a>          }
<a name="99" href="#99">99</a>          <strong class="jxr_keyword">if</strong> (LineDelimiter.AUTO.equals(delimiter)) {
<a name="100" href="#100">100</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a name="101" href="#101">101</a>                     <span class="jxr_string">"AUTO delimiter is not allowed for encoder."</span>);
<a name="102" href="#102">102</a>         }
<a name="103" href="#103">103</a> 
<a name="104" href="#104">104</a>         <strong class="jxr_keyword">this</strong>.charset = charset;
<a name="105" href="#105">105</a>         <strong class="jxr_keyword">this</strong>.delimiter = delimiter;
<a name="106" href="#106">106</a>     }
<a name="107" href="#107">107</a> 
<a name="108" href="#108">108</a>     <em class="jxr_javadoccomment">/**</em>
<a name="109" href="#109">109</a> <em class="jxr_javadoccomment">     * Returns the allowed maximum size of the encoded line.</em>
<a name="110" href="#110">110</a> <em class="jxr_javadoccomment">     * If the size of the encoded line exceeds this value, the encoder</em>
<a name="111" href="#111">111</a> <em class="jxr_javadoccomment">     * will throw a {@link IllegalArgumentException}.  The default value</em>
<a name="112" href="#112">112</a> <em class="jxr_javadoccomment">     * is {@link Integer#MAX_VALUE}.</em>
<a name="113" href="#113">113</a> <em class="jxr_javadoccomment">     */</em>
<a name="114" href="#114">114</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getMaxLineLength() {
<a name="115" href="#115">115</a>         <strong class="jxr_keyword">return</strong> maxLineLength;
<a name="116" href="#116">116</a>     }
<a name="117" href="#117">117</a> 
<a name="118" href="#118">118</a>     <em class="jxr_javadoccomment">/**</em>
<a name="119" href="#119">119</a> <em class="jxr_javadoccomment">     * Sets the allowed maximum size of the encoded line.</em>
<a name="120" href="#120">120</a> <em class="jxr_javadoccomment">     * If the size of the encoded line exceeds this value, the encoder</em>
<a name="121" href="#121">121</a> <em class="jxr_javadoccomment">     * will throw a {@link IllegalArgumentException}.  The default value</em>
<a name="122" href="#122">122</a> <em class="jxr_javadoccomment">     * is {@link Integer#MAX_VALUE}.</em>
<a name="123" href="#123">123</a> <em class="jxr_javadoccomment">     */</em>
<a name="124" href="#124">124</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setMaxLineLength(<strong class="jxr_keyword">int</strong> maxLineLength) {
<a name="125" href="#125">125</a>         <strong class="jxr_keyword">if</strong> (maxLineLength &lt;= 0) {
<a name="126" href="#126">126</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"maxLineLength: "</span>
<a name="127" href="#127">127</a>                     + maxLineLength);
<a name="128" href="#128">128</a>         }
<a name="129" href="#129">129</a> 
<a name="130" href="#130">130</a>         <strong class="jxr_keyword">this</strong>.maxLineLength = maxLineLength;
<a name="131" href="#131">131</a>     }
<a name="132" href="#132">132</a> 
<a name="133" href="#133">133</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> encode(<a href="../../../../../../org/apache/mina/common/IoSession.html">IoSession</a> session, Object message,
<a name="134" href="#134">134</a>             <a href="../../../../../../org/apache/mina/filter/codec/ProtocolEncoderOutput.html">ProtocolEncoderOutput</a> out) <strong class="jxr_keyword">throws</strong> Exception {
<a name="135" href="#135">135</a>         CharsetEncoder encoder = (CharsetEncoder) session.getAttribute(ENCODER);
<a name="136" href="#136">136</a>         <strong class="jxr_keyword">if</strong> (encoder == <strong class="jxr_keyword">null</strong>) {
<a name="137" href="#137">137</a>             encoder = charset.newEncoder();
<a name="138" href="#138">138</a>             session.setAttribute(ENCODER, encoder);
<a name="139" href="#139">139</a>         }
<a name="140" href="#140">140</a> 
<a name="141" href="#141">141</a>         String value = message.toString();
<a name="142" href="#142">142</a>         <a href="../../../../../../org/apache/mina/common/IoBuffer.html">IoBuffer</a> buf = IoBuffer.allocate(value.length())
<a name="143" href="#143">143</a>                 .setAutoExpand(<strong class="jxr_keyword">true</strong>);
<a name="144" href="#144">144</a>         buf.putString(value, encoder);
<a name="145" href="#145">145</a>         <strong class="jxr_keyword">if</strong> (buf.position() &gt; maxLineLength) {
<a name="146" href="#146">146</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Line length: "</span> + buf.position());
<a name="147" href="#147">147</a>         }
<a name="148" href="#148">148</a>         buf.putString(delimiter.getValue(), encoder);
<a name="149" href="#149">149</a>         buf.flip();
<a name="150" href="#150">150</a>         out.write(buf);
<a name="151" href="#151">151</a>     }
<a name="152" href="#152">152</a> 
<a name="153" href="#153">153</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> dispose() <strong class="jxr_keyword">throws</strong> Exception {
<a name="154" href="#154">154</a>     }
<a name="155" href="#155">155</a> }
</pre>
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