CopyUtils.html 44 KB

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  95. <div class="subTitle">org.apache.commons.io</div>
  96. <h2 title="Class CopyUtils" class="title">Class CopyUtils</h2>
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  99. <ul class="inheritance">
  100. <li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
  101. <li>
  102. <ul class="inheritance">
  103. <li>org.apache.commons.io.CopyUtils</li>
  104. </ul>
  105. </li>
  106. </ul>
  107. <div class="description">
  108. <ul class="blockList">
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  110. <hr>
  111. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
  112. <div class="block"><span class="deprecationComment">Use IOUtils. Will be removed in 2.0.
  113. Methods renamed to IOUtils.write() or IOUtils.copy().
  114. Null handling behaviour changed in IOUtils (null data does not
  115. throw NullPointerException).</span></div>
  116. </div>
  117. <br>
  118. <pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
  119. public class <span class="typeNameLabel">CopyUtils</span>
  120. extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
  121. <div class="block">This class provides static utility methods for buffered
  122. copying between sources (<code>InputStream</code>, <code>Reader</code>,
  123. <code>String</code> and <code>byte[]</code>) and destinations
  124. (<code>OutputStream</code>, <code>Writer</code>, <code>String</code> and
  125. <code>byte[]</code>).
  126. <p>
  127. Unless otherwise noted, these <code>copy</code> methods do <em>not</em>
  128. flush or close the streams. Often doing so would require making non-portable
  129. assumptions about the streams' origin and further use. This means that both
  130. streams' <code>close()</code> methods must be called after copying. if one
  131. omits this step, then the stream resources (sockets, file descriptors) are
  132. released when the associated Stream is garbage-collected. It is not a good
  133. idea to rely on this mechanism. For a good overview of the distinction
  134. between "memory management" and "resource management", see
  135. <a href="http://www.unixreview.com/articles/1998/9804/9804ja/ja.htm">this
  136. UnixReview article</a>.
  137. <p>
  138. For byte-to-char methods, a <code>copy</code> variant allows the encoding
  139. to be selected (otherwise the platform default is used). We would like to
  140. encourage you to always specify the encoding because relying on the platform
  141. default can lead to unexpected results.
  142. <p>
  143. We don't provide special variants for the <code>copy</code> methods that
  144. let you specify the buffer size because in modern VMs the impact on speed
  145. seems to be minimal. We're using a default buffer size of 4 KB.
  146. <p>
  147. The <code>copy</code> methods use an internal buffer when copying. It is
  148. therefore advisable <em>not</em> to deliberately wrap the stream arguments
  149. to the <code>copy</code> methods in <code>Buffered*</code> streams. For
  150. example, don't do the following:
  151. <pre>
  152. copy( new BufferedInputStream( in ), new BufferedOutputStream( out ) );
  153. </pre>
  154. The rationale is as follows:
  155. <p>
  156. Imagine that an InputStream's read() is a very expensive operation, which
  157. would usually suggest wrapping in a BufferedInputStream. The
  158. BufferedInputStream works by issuing infrequent
  159. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true#read-byte:A-int-int-" title="class or interface in java.io"><code>InputStream.read(byte[] b, int off, int len)</code></a> requests on the
  160. underlying InputStream, to fill an internal buffer, from which further
  161. <code>read</code> requests can inexpensively get their data (until the buffer
  162. runs out).
  163. <p>
  164. However, the <code>copy</code> methods do the same thing, keeping an
  165. internal buffer, populated by
  166. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true#read-byte:A-int-int-" title="class or interface in java.io"><code>InputStream.read(byte[] b, int off, int len)</code></a> requests. Having two
  167. buffers (or three if the destination stream is also buffered) is pointless,
  168. and the unnecessary buffer management hurts performance slightly (about 3%,
  169. according to some simple experiments).
  170. <p>
  171. Behold, intrepid explorers; a map of this class:
  172. <pre>
  173. Method Input Output Dependency
  174. ------ ----- ------ -------
  175. 1 copy InputStream OutputStream (primitive)
  176. 2 copy Reader Writer (primitive)
  177. 3 copy InputStream Writer 2
  178. 4 copy Reader OutputStream 2
  179. 5 copy String OutputStream 2
  180. 6 copy String Writer (trivial)
  181. 7 copy byte[] Writer 3
  182. 8 copy byte[] OutputStream (trivial)
  183. </pre>
  184. <p>
  185. Note that only the first two methods shuffle bytes; the rest use these
  186. two, or (if possible) copy using native Java copy methods. As there are
  187. method variants to specify the encoding, each row may
  188. correspond to up to 2 methods.
  189. <p>
  190. Origin of code: Excalibur.</div>
  191. </li>
  192. </ul>
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  202. <h3>Constructor Summary</h3>
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  204. <caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
  205. <tr>
  206. <th class="colOne" scope="col">Constructor and Description</th>
  207. </tr>
  208. <tr class="altColor">
  209. <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/io/CopyUtils.html#CopyUtils--">CopyUtils</a></span>()</code>
  210. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  211. <div class="block">Instances should NOT be constructed in standard programming.</div>
  212. </td>
  213. </tr>
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  215. </li>
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  222. <h3>Method Summary</h3>
  223. <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
  224. <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
  225. <tr>
  226. <th class="colFirst" scope="col">Modifier and Type</th>
  227. <th class="colLast" scope="col">Method and Description</th>
  228. </tr>
  229. <tr id="i0" class="altColor">
  230. <td class="colFirst"><code>static void</code></td>
  231. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/io/CopyUtils.html#copy-byte:A-java.io.OutputStream-">copy</a></span>(byte[]&nbsp;input,
  232. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;output)</code>
  233. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  234. <div class="block">Copy bytes from a <code>byte[]</code> to an <code>OutputStream</code>.</div>
  235. </td>
  236. </tr>
  237. <tr id="i1" class="rowColor">
  238. <td class="colFirst"><code>static void</code></td>
  239. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/io/CopyUtils.html#copy-byte:A-java.io.Writer-">copy</a></span>(byte[]&nbsp;input,
  240. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;output)</code>
  241. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
  242. <div class="block"><span class="deprecationComment">2.5 use <a href="../../../../org/apache/commons/io/CopyUtils.html#copy-byte:A-java.io.Writer-java.lang.String-"><code>copy(byte[], Writer, String)</code></a> instead</span></div>
  243. </div>
  244. </td>
  245. </tr>
  246. <tr id="i2" class="altColor">
  247. <td class="colFirst"><code>static void</code></td>
  248. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/io/CopyUtils.html#copy-byte:A-java.io.Writer-java.lang.String-">copy</a></span>(byte[]&nbsp;input,
  249. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;output,
  250. <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;encoding)</code>
  251. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  252. <div class="block">Copy and convert bytes from a <code>byte[]</code> to chars on a
  253. <code>Writer</code>, using the specified encoding.</div>
  254. </td>
  255. </tr>
  256. <tr id="i3" class="rowColor">
  257. <td class="colFirst"><code>static int</code></td>
  258. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/io/CopyUtils.html#copy-java.io.InputStream-java.io.OutputStream-">copy</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;input,
  259. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;output)</code>
  260. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  261. <div class="block">Copy bytes from an <code>InputStream</code> to an
  262. <code>OutputStream</code>.</div>
  263. </td>
  264. </tr>
  265. <tr id="i4" class="altColor">
  266. <td class="colFirst"><code>static void</code></td>
  267. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/io/CopyUtils.html#copy-java.io.InputStream-java.io.Writer-">copy</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;input,
  268. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;output)</code>
  269. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
  270. <div class="block"><span class="deprecationComment">2.5 use <a href="../../../../org/apache/commons/io/CopyUtils.html#copy-java.io.InputStream-java.io.Writer-java.lang.String-"><code>copy(InputStream, Writer, String)</code></a> instead</span></div>
  271. </div>
  272. </td>
  273. </tr>
  274. <tr id="i5" class="rowColor">
  275. <td class="colFirst"><code>static void</code></td>
  276. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/io/CopyUtils.html#copy-java.io.InputStream-java.io.Writer-java.lang.String-">copy</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;input,
  277. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;output,
  278. <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;encoding)</code>
  279. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  280. <div class="block">Copy and convert bytes from an <code>InputStream</code> to chars on a
  281. <code>Writer</code>, using the specified encoding.</div>
  282. </td>
  283. </tr>
  284. <tr id="i6" class="altColor">
  285. <td class="colFirst"><code>static void</code></td>
  286. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/io/CopyUtils.html#copy-java.io.Reader-java.io.OutputStream-">copy</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</a>&nbsp;input,
  287. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;output)</code>
  288. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
  289. <div class="block"><span class="deprecationComment">2.5 use <a href="../../../../org/apache/commons/io/CopyUtils.html#copy-java.io.Reader-java.io.OutputStream-java.lang.String-"><code>copy(Reader, OutputStream, String)</code></a> instead</span></div>
  290. </div>
  291. </td>
  292. </tr>
  293. <tr id="i7" class="rowColor">
  294. <td class="colFirst"><code>static void</code></td>
  295. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/io/CopyUtils.html#copy-java.io.Reader-java.io.OutputStream-java.lang.String-">copy</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</a>&nbsp;input,
  296. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;output,
  297. <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;encoding)</code>
  298. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  299. <div class="block">Serialize chars from a <code>Reader</code> to bytes on an
  300. <code>OutputStream</code>, and flush the <code>OutputStream</code>.</div>
  301. </td>
  302. </tr>
  303. <tr id="i8" class="altColor">
  304. <td class="colFirst"><code>static int</code></td>
  305. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/io/CopyUtils.html#copy-java.io.Reader-java.io.Writer-">copy</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</a>&nbsp;input,
  306. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;output)</code>
  307. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  308. <div class="block">Copy chars from a <code>Reader</code> to a <code>Writer</code>.</div>
  309. </td>
  310. </tr>
  311. <tr id="i9" class="rowColor">
  312. <td class="colFirst"><code>static void</code></td>
  313. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/io/CopyUtils.html#copy-java.lang.String-java.io.OutputStream-">copy</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;input,
  314. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;output)</code>
  315. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
  316. <div class="block"><span class="deprecationComment">2.5 use <a href="../../../../org/apache/commons/io/CopyUtils.html#copy-java.lang.String-java.io.OutputStream-java.lang.String-"><code>copy(String, OutputStream, String)</code></a> instead</span></div>
  317. </div>
  318. </td>
  319. </tr>
  320. <tr id="i10" class="altColor">
  321. <td class="colFirst"><code>static void</code></td>
  322. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/io/CopyUtils.html#copy-java.lang.String-java.io.OutputStream-java.lang.String-">copy</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;input,
  323. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;output,
  324. <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;encoding)</code>
  325. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  326. <div class="block">Serialize chars from a <code>String</code> to bytes on an
  327. <code>OutputStream</code>, and
  328. flush the <code>OutputStream</code>.</div>
  329. </td>
  330. </tr>
  331. <tr id="i11" class="rowColor">
  332. <td class="colFirst"><code>static void</code></td>
  333. <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/io/CopyUtils.html#copy-java.lang.String-java.io.Writer-">copy</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;input,
  334. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;output)</code>
  335. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  336. <div class="block">Copy chars from a <code>String</code> to a <code>Writer</code>.</div>
  337. </td>
  338. </tr>
  339. </table>
  340. <ul class="blockList">
  341. <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
  342. <!-- -->
  343. </a>
  344. <h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
  345. <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
  346. </ul>
  347. </li>
  348. </ul>
  349. </li>
  350. </ul>
  351. </div>
  352. <div class="details">
  353. <ul class="blockList">
  354. <li class="blockList">
  355. <!-- ========= CONSTRUCTOR DETAIL ======== -->
  356. <ul class="blockList">
  357. <li class="blockList"><a name="constructor.detail">
  358. <!-- -->
  359. </a>
  360. <h3>Constructor Detail</h3>
  361. <a name="CopyUtils--">
  362. <!-- -->
  363. </a>
  364. <ul class="blockListLast">
  365. <li class="blockList">
  366. <h4>CopyUtils</h4>
  367. <pre>public&nbsp;CopyUtils()</pre>
  368. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  369. <div class="block">Instances should NOT be constructed in standard programming.</div>
  370. </li>
  371. </ul>
  372. </li>
  373. </ul>
  374. <!-- ============ METHOD DETAIL ========== -->
  375. <ul class="blockList">
  376. <li class="blockList"><a name="method.detail">
  377. <!-- -->
  378. </a>
  379. <h3>Method Detail</h3>
  380. <a name="copy-byte:A-java.io.OutputStream-">
  381. <!-- -->
  382. </a>
  383. <ul class="blockList">
  384. <li class="blockList">
  385. <h4>copy</h4>
  386. <pre>public static&nbsp;void&nbsp;copy(byte[]&nbsp;input,
  387. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;output)
  388. throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
  389. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  390. <div class="block">Copy bytes from a <code>byte[]</code> to an <code>OutputStream</code>.</div>
  391. <dl>
  392. <dt><span class="paramLabel">Parameters:</span></dt>
  393. <dd><code>input</code> - the byte array to read from</dd>
  394. <dd><code>output</code> - the <code>OutputStream</code> to write to</dd>
  395. <dt><span class="throwsLabel">Throws:</span></dt>
  396. <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - In case of an I/O problem</dd>
  397. </dl>
  398. </li>
  399. </ul>
  400. <a name="copy-byte:A-java.io.Writer-">
  401. <!-- -->
  402. </a>
  403. <ul class="blockList">
  404. <li class="blockList">
  405. <h4>copy</h4>
  406. <pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
  407. public static&nbsp;void&nbsp;copy(byte[]&nbsp;input,
  408. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;output)
  409. throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
  410. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">2.5 use <a href="../../../../org/apache/commons/io/CopyUtils.html#copy-byte:A-java.io.Writer-java.lang.String-"><code>copy(byte[], Writer, String)</code></a> instead</span></div>
  411. <div class="block">Copy and convert bytes from a <code>byte[]</code> to chars on a
  412. <code>Writer</code>.
  413. The platform's default encoding is used for the byte-to-char conversion.</div>
  414. <dl>
  415. <dt><span class="paramLabel">Parameters:</span></dt>
  416. <dd><code>input</code> - the byte array to read from</dd>
  417. <dd><code>output</code> - the <code>Writer</code> to write to</dd>
  418. <dt><span class="throwsLabel">Throws:</span></dt>
  419. <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - In case of an I/O problem</dd>
  420. </dl>
  421. </li>
  422. </ul>
  423. <a name="copy-byte:A-java.io.Writer-java.lang.String-">
  424. <!-- -->
  425. </a>
  426. <ul class="blockList">
  427. <li class="blockList">
  428. <h4>copy</h4>
  429. <pre>public static&nbsp;void&nbsp;copy(byte[]&nbsp;input,
  430. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;output,
  431. <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;encoding)
  432. throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
  433. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  434. <div class="block">Copy and convert bytes from a <code>byte[]</code> to chars on a
  435. <code>Writer</code>, using the specified encoding.</div>
  436. <dl>
  437. <dt><span class="paramLabel">Parameters:</span></dt>
  438. <dd><code>input</code> - the byte array to read from</dd>
  439. <dd><code>output</code> - the <code>Writer</code> to write to</dd>
  440. <dd><code>encoding</code> - The name of a supported character encoding. See the
  441. <a href="http://www.iana.org/assignments/character-sets">IANA
  442. Charset Registry</a> for a list of valid encoding types.</dd>
  443. <dt><span class="throwsLabel">Throws:</span></dt>
  444. <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - In case of an I/O problem</dd>
  445. </dl>
  446. </li>
  447. </ul>
  448. <a name="copy-java.io.InputStream-java.io.OutputStream-">
  449. <!-- -->
  450. </a>
  451. <ul class="blockList">
  452. <li class="blockList">
  453. <h4>copy</h4>
  454. <pre>public static&nbsp;int&nbsp;copy(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;input,
  455. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;output)
  456. throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
  457. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  458. <div class="block">Copy bytes from an <code>InputStream</code> to an
  459. <code>OutputStream</code>.</div>
  460. <dl>
  461. <dt><span class="paramLabel">Parameters:</span></dt>
  462. <dd><code>input</code> - the <code>InputStream</code> to read from</dd>
  463. <dd><code>output</code> - the <code>OutputStream</code> to write to</dd>
  464. <dt><span class="returnLabel">Returns:</span></dt>
  465. <dd>the number of bytes copied</dd>
  466. <dt><span class="throwsLabel">Throws:</span></dt>
  467. <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - In case of an I/O problem</dd>
  468. </dl>
  469. </li>
  470. </ul>
  471. <a name="copy-java.io.Reader-java.io.Writer-">
  472. <!-- -->
  473. </a>
  474. <ul class="blockList">
  475. <li class="blockList">
  476. <h4>copy</h4>
  477. <pre>public static&nbsp;int&nbsp;copy(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</a>&nbsp;input,
  478. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;output)
  479. throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
  480. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  481. <div class="block">Copy chars from a <code>Reader</code> to a <code>Writer</code>.</div>
  482. <dl>
  483. <dt><span class="paramLabel">Parameters:</span></dt>
  484. <dd><code>input</code> - the <code>Reader</code> to read from</dd>
  485. <dd><code>output</code> - the <code>Writer</code> to write to</dd>
  486. <dt><span class="returnLabel">Returns:</span></dt>
  487. <dd>the number of characters copied</dd>
  488. <dt><span class="throwsLabel">Throws:</span></dt>
  489. <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - In case of an I/O problem</dd>
  490. </dl>
  491. </li>
  492. </ul>
  493. <a name="copy-java.io.InputStream-java.io.Writer-">
  494. <!-- -->
  495. </a>
  496. <ul class="blockList">
  497. <li class="blockList">
  498. <h4>copy</h4>
  499. <pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
  500. public static&nbsp;void&nbsp;copy(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;input,
  501. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;output)
  502. throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
  503. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">2.5 use <a href="../../../../org/apache/commons/io/CopyUtils.html#copy-java.io.InputStream-java.io.Writer-java.lang.String-"><code>copy(InputStream, Writer, String)</code></a> instead</span></div>
  504. <div class="block">Copy and convert bytes from an <code>InputStream</code> to chars on a
  505. <code>Writer</code>.
  506. The platform's default encoding is used for the byte-to-char conversion.</div>
  507. <dl>
  508. <dt><span class="paramLabel">Parameters:</span></dt>
  509. <dd><code>input</code> - the <code>InputStream</code> to read from</dd>
  510. <dd><code>output</code> - the <code>Writer</code> to write to</dd>
  511. <dt><span class="throwsLabel">Throws:</span></dt>
  512. <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - In case of an I/O problem</dd>
  513. </dl>
  514. </li>
  515. </ul>
  516. <a name="copy-java.io.InputStream-java.io.Writer-java.lang.String-">
  517. <!-- -->
  518. </a>
  519. <ul class="blockList">
  520. <li class="blockList">
  521. <h4>copy</h4>
  522. <pre>public static&nbsp;void&nbsp;copy(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;input,
  523. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;output,
  524. <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;encoding)
  525. throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
  526. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  527. <div class="block">Copy and convert bytes from an <code>InputStream</code> to chars on a
  528. <code>Writer</code>, using the specified encoding.</div>
  529. <dl>
  530. <dt><span class="paramLabel">Parameters:</span></dt>
  531. <dd><code>input</code> - the <code>InputStream</code> to read from</dd>
  532. <dd><code>output</code> - the <code>Writer</code> to write to</dd>
  533. <dd><code>encoding</code> - The name of a supported character encoding. See the
  534. <a href="http://www.iana.org/assignments/character-sets">IANA
  535. Charset Registry</a> for a list of valid encoding types.</dd>
  536. <dt><span class="throwsLabel">Throws:</span></dt>
  537. <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - In case of an I/O problem</dd>
  538. </dl>
  539. </li>
  540. </ul>
  541. <a name="copy-java.io.Reader-java.io.OutputStream-">
  542. <!-- -->
  543. </a>
  544. <ul class="blockList">
  545. <li class="blockList">
  546. <h4>copy</h4>
  547. <pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
  548. public static&nbsp;void&nbsp;copy(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</a>&nbsp;input,
  549. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;output)
  550. throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
  551. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">2.5 use <a href="../../../../org/apache/commons/io/CopyUtils.html#copy-java.io.Reader-java.io.OutputStream-java.lang.String-"><code>copy(Reader, OutputStream, String)</code></a> instead</span></div>
  552. <div class="block">Serialize chars from a <code>Reader</code> to bytes on an
  553. <code>OutputStream</code>, and flush the <code>OutputStream</code>.
  554. Uses the default platform encoding.</div>
  555. <dl>
  556. <dt><span class="paramLabel">Parameters:</span></dt>
  557. <dd><code>input</code> - the <code>Reader</code> to read from</dd>
  558. <dd><code>output</code> - the <code>OutputStream</code> to write to</dd>
  559. <dt><span class="throwsLabel">Throws:</span></dt>
  560. <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - In case of an I/O problem</dd>
  561. </dl>
  562. </li>
  563. </ul>
  564. <a name="copy-java.io.Reader-java.io.OutputStream-java.lang.String-">
  565. <!-- -->
  566. </a>
  567. <ul class="blockList">
  568. <li class="blockList">
  569. <h4>copy</h4>
  570. <pre>public static&nbsp;void&nbsp;copy(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</a>&nbsp;input,
  571. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;output,
  572. <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;encoding)
  573. throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
  574. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  575. <div class="block">Serialize chars from a <code>Reader</code> to bytes on an
  576. <code>OutputStream</code>, and flush the <code>OutputStream</code>.</div>
  577. <dl>
  578. <dt><span class="paramLabel">Parameters:</span></dt>
  579. <dd><code>input</code> - the <code>Reader</code> to read from</dd>
  580. <dd><code>output</code> - the <code>OutputStream</code> to write to</dd>
  581. <dd><code>encoding</code> - The name of a supported character encoding. See the
  582. <a href="http://www.iana.org/assignments/character-sets">IANA
  583. Charset Registry</a> for a list of valid encoding types.</dd>
  584. <dt><span class="throwsLabel">Throws:</span></dt>
  585. <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - In case of an I/O problem</dd>
  586. <dt><span class="simpleTagLabel">Since:</span></dt>
  587. <dd>2.5</dd>
  588. </dl>
  589. </li>
  590. </ul>
  591. <a name="copy-java.lang.String-java.io.OutputStream-">
  592. <!-- -->
  593. </a>
  594. <ul class="blockList">
  595. <li class="blockList">
  596. <h4>copy</h4>
  597. <pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
  598. public static&nbsp;void&nbsp;copy(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;input,
  599. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;output)
  600. throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
  601. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">2.5 use <a href="../../../../org/apache/commons/io/CopyUtils.html#copy-java.lang.String-java.io.OutputStream-java.lang.String-"><code>copy(String, OutputStream, String)</code></a> instead</span></div>
  602. <div class="block">Serialize chars from a <code>String</code> to bytes on an
  603. <code>OutputStream</code>, and
  604. flush the <code>OutputStream</code>.
  605. Uses the platform default encoding.</div>
  606. <dl>
  607. <dt><span class="paramLabel">Parameters:</span></dt>
  608. <dd><code>input</code> - the <code>String</code> to read from</dd>
  609. <dd><code>output</code> - the <code>OutputStream</code> to write to</dd>
  610. <dt><span class="throwsLabel">Throws:</span></dt>
  611. <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - In case of an I/O problem</dd>
  612. </dl>
  613. </li>
  614. </ul>
  615. <a name="copy-java.lang.String-java.io.OutputStream-java.lang.String-">
  616. <!-- -->
  617. </a>
  618. <ul class="blockList">
  619. <li class="blockList">
  620. <h4>copy</h4>
  621. <pre>public static&nbsp;void&nbsp;copy(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;input,
  622. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;output,
  623. <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;encoding)
  624. throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
  625. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  626. <div class="block">Serialize chars from a <code>String</code> to bytes on an
  627. <code>OutputStream</code>, and
  628. flush the <code>OutputStream</code>.</div>
  629. <dl>
  630. <dt><span class="paramLabel">Parameters:</span></dt>
  631. <dd><code>input</code> - the <code>String</code> to read from</dd>
  632. <dd><code>output</code> - the <code>OutputStream</code> to write to</dd>
  633. <dd><code>encoding</code> - The name of a supported character encoding. See the
  634. <a href="http://www.iana.org/assignments/character-sets">IANA
  635. Charset Registry</a> for a list of valid encoding types.</dd>
  636. <dt><span class="throwsLabel">Throws:</span></dt>
  637. <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - In case of an I/O problem</dd>
  638. <dt><span class="simpleTagLabel">Since:</span></dt>
  639. <dd>2.5</dd>
  640. </dl>
  641. </li>
  642. </ul>
  643. <a name="copy-java.lang.String-java.io.Writer-">
  644. <!-- -->
  645. </a>
  646. <ul class="blockListLast">
  647. <li class="blockList">
  648. <h4>copy</h4>
  649. <pre>public static&nbsp;void&nbsp;copy(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;input,
  650. <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Writer.html?is-external=true" title="class or interface in java.io">Writer</a>&nbsp;output)
  651. throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
  652. <div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
  653. <div class="block">Copy chars from a <code>String</code> to a <code>Writer</code>.</div>
  654. <dl>
  655. <dt><span class="paramLabel">Parameters:</span></dt>
  656. <dd><code>input</code> - the <code>String</code> to read from</dd>
  657. <dd><code>output</code> - the <code>Writer</code> to write to</dd>
  658. <dt><span class="throwsLabel">Throws:</span></dt>
  659. <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - In case of an I/O problem</dd>
  660. </dl>
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