处理特殊符号的工具类代码,Java代码库,德仔网

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【Java】处理特殊符号的工具类
作者: / 发布于2011/1/14/ 541
<div><font color="#008000">**</font><span style="color: #008000">
* DealingCharacter.java
* Description: 
* </span><span style="color: #808080">@author</span><span style="color: #008000"> li.b
* </span><span style="color: #808080">@version</span><span style="color: #008000"> 2.0
* Jun 27, 2008
</span><span style="color: #008000">*/</span><span style="color: #000000">
</span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">class</span><span style="color: #000000"> DealingCharacter {

 </span><span style="color: #008000">/**</span><span style="color: #008000">
 * Description: 转译特殊符号标签
 * </span><span style="color: #808080">@param</span><span style="color: #008000"> value 需要处理的字符串
 * </span><span style="color: #808080">@return</span><span style="color: #008000"> 
 </span><span style="color: #008000">*/</span><span style="color: #000000">
 </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">static</span><span style="color: #000000"> String filter(String value)
 {
 </span><span style="color: #0000ff">if</span><span style="color: #000000">(value </span><span style="color: #000000">==</span><span style="color: #000000"> </span><span style="color: #0000ff">null</span><span style="color: #000000"> </span><span style="color: #000000">||</span><span style="color: #000000"> value.length() </span><span style="color: #000000">==</span><span style="color: #000000"> </span><span style="color: #000000">0</span><span style="color: #000000">)
 </span><span style="color: #0000ff">return</span><span style="color: #000000"> value;
 StringBuffer result </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">null</span><span style="color: #000000">;
 String filtered </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">null</span><span style="color: #000000">;
 </span><span style="color: #0000ff">for</span><span style="color: #000000">(</span><span style="color: #0000ff">int</span><span style="color: #000000"> i </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">0</span><span style="color: #000000">; i </span><span style="color: #000000"><</span><span style="color: #000000"> value.length(); i</span><span style="color: #000000">++</span><span style="color: #000000">)
 {
 filtered </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">null</span><span style="color: #000000">;
 </span><span style="color: #0000ff">switch</span><span style="color: #000000">(value.charAt(i))
{
</span><span style="color: #0000ff">case</span><span style="color: #000000"> </span><span style="color: #000000">60</span><span style="color: #000000">: </span><span style="color: #008000">//</span><span style="color: #008000"> '<'</span><span style="color: #008000">
</span><span style="color: #000000"> filtered </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">"</span><span style="color: #000000">&lt;</span><span style="color: #000000">"</span><span style="color: #000000">;
 </span><span style="color: #0000ff">break</span><span style="color: #000000">;

 </span><span style="color: #0000ff">case</span><span style="color: #000000"> </span><span style="color: #000000">62</span><span style="color: #000000">: </span><span style="color: #008000">//</span><span style="color: #008000"> '>'</span><span style="color: #008000">
</span><span style="color: #000000"> filtered </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">"</span><span style="color: #000000">&gt;</span><span style="color: #000000">"</span><span style="color: #000000">;
 </span><span style="color: #0000ff">break</span><span style="color: #000000">;

 </span><span style="color: #0000ff">case</span><span style="color: #000000"> </span><span style="color: #000000">38</span><span style="color: #000000">: </span><span style="color: #008000">//</span><span style="color: #008000"> '&'</span><span style="color: #008000">
</span><span style="color: #000000"> filtered </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">"</span><span style="color: #000000">&amp;</span><span style="color: #000000">"</span><span style="color: #000000">;
 </span><span style="color: #0000ff">break</span><span style="color: #000000">;

 </span><span style="color: #0000ff">case</span><span style="color: #000000"> </span><span style="color: #000000">34</span><span style="color: #000000">: </span><span style="color: #008000">//</span><span style="color: #008000"> '"'</span><span style="color: #008000">
</span><span style="color: #000000"> filtered </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">"</span><span style="color: #000000">&quot;</span><span style="color: #000000">"</span><span style="color: #000000">;
 </span><span style="color: #0000ff">break</span><span style="color: #000000">;

 </span><span style="color: #0000ff">case</span><span style="color: #000000"> </span><span style="color: #000000">39</span><span style="color: #000000">: </span><span style="color: #008000">//</span><span style="color: #008000"> '\''</span><span style="color: #008000">
</span><span style="color: #000000"> filtered </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">"</span><span style="color: #000000">'</span><span style="color: #000000">"</span><span style="color: #000000">;
 </span><span style="color: #0000ff">break</span><span style="color: #000000">;
 }
 </span><span style="color: #0000ff">if</span><span style="color: #000000">(result </span><span style="color: #000000">==</span><span style="color: #000000"> </span><span style="color: #0000ff">null</span><span style="color: #000000">)
 {
 </span><span style="color: #0000ff">if</span><span style="color: #000000">(filtered </span><span style="color: #000000">!=</span><span style="color: #000000"> </span><span style="color: #0000ff">null</span><span style="color: #000000">)
 {
 result </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> StringBuffer(value.length() </span><span style="color: #000000">+</span><span style="color: #000000"> </span><span style="color: #000000">50</span><span style="color: #000000">);
 </span><span style="color: #0000ff">if</span><span style="color: #000000">(i </span><span style="color: #000000">></span><span style="color: #000000"> </span><span style="color: #000000">0</span><span style="color: #000000">)
 result.append(value.substring(</span><span style="color: #000000">0</span><span style="color: #000000">, i));
 result.append(filtered);
 }
 } </span><span style="color: #0000ff">else</span><span style="color: #000000">
 </span><span style="color: #0000ff">if</span><span style="color: #000000">(filtered </span><span style="color: #000000">==</span><span style="color: #000000"> </span><span style="color: #0000ff">null</span><span style="color: #000000">)
 result.append(value.charAt(i));
 </span><span style="color: #0000ff">else</span><span style="color: #000000">
 result.append(filtered);
 }

 </span><span style="color: #0000ff">return</span><span style="color: #000000"> result </span><span style="color: #000000">!=</span><span style="color: #000000"> </span><span style="color: #0000ff">null</span><span style="color: #000000"> </span><span style="color: #000000">?</span><span style="color: #000000"> result.toString() : value;
 }

 </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">static</span><span style="color: #000000"> </span><span style="color: #0000ff">void</span><span style="color: #000000"> main(String[] args) {
 System.out.println(DealingCharacter.filter(</span><span style="color: #000000">"</span><span style="color: #000000"><HTML>sdfasfas</HTML></span><span style="color: #000000">"</span><span style="color: #000000">));
 }
}
</span>
</div>
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