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用户:洞穴夜莺/EInputStream：修订间差异
< 用户:洞穴夜莺
无编辑摘要 |
小 （洞穴夜莺移动页面用户:洞穴夜莺至用户:洞穴夜莺/EInputStream） |
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| （未显示同一用户的5个中间版本） | |||
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<pre> |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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<div><div style="height: 30px; background-color: #4e5254; width: 110px; color: #bbbbbb; padding: 0px 10px; position: relative;">EInputStream.java<div style="position: absolute;left: 0px;right: 0px;bottom: 0px;top: 25px;background: #747a80; font-family: mono;"></div></div> |
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/** |
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<div style="white-space: pre; background-color: #2b2b2b; color: #a9b7c6; margin-top: -10px; font-family: mono;"><div style="margin: 10px;"> |
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<span style="color: #cc7832;">import</span> java.io.IOException<span style="color: #cc7832;">;</span> |
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<span style="color: #cc7832;">import</span> java.io.InputStream<span style="color: #cc7832;">;</span> |
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<span style="color: #cc7832;">import</span> java.io.OutputStream<span style="color: #cc7832;">;</span> |
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<span style="color: #629755;"><nowiki>/** |
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* You can read nothing but infinite 'e' from an EInputStream |
* You can read nothing but infinite 'e' from an EInputStream |
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* Example: |
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| ⚫ | |||
* new EInputStream().transferTo(stdout); |
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*/ |
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| ⚫ | |||
public class EInputStream extends InputStream { |
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*/</nowiki></span> |
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private static final byte[] BUFFER = new byte[8192]; |
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<span style="color: #cc7832;">public class</span> EInputStream <span style="color: #cc7832;">extends</span> InputStream { |
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static { |
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<nowiki> </nowiki><span style="color: #cc7832;">private static final byte</span>[] <span style="color: #9876aa;">BUFFER</span> = <span style="color: #cc7832;">new byte</span>[<span style="color: #5d8bb9;">8192</span>]<span style="color: #cc7832;">;</span> |
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for(int i = 0; i < BUFFER.length; i++) |
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<nowiki> </nowiki><span style="color: #cc7832;">static</span> { |
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BUFFER[i] = (byte)'e'; |
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<nowiki> </nowiki><span style="color: #cc7832;">for</span>(<span style="color: #cc7832;">int</span> i = <span style="color: #5d8bb9;">0</span><span style="color: #cc7832;">;</span> i < <span style="color: #9876aa;">BUFFER</span>.<span style="color: #9876aa;">length</span><span style="color: #cc7832;">;</span> i++) |
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} |
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<nowiki> </nowiki><span style="color: #9876aa;">BUFFER</span>[i] = (<span style="color: #cc7832;">byte</span>)<span style="color: #6a8759;">'e'</span><span style="color: #cc7832;">;</span> |
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<nowiki> </nowiki>} |
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<nowiki> </nowiki><span style="color: #bbb12a;">@Override</span> |
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@Override |
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<nowiki> </nowiki><span style="color: #cc7832;">public int</span> <span style="color: #ffc56a;">read</span>() { |
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public int read(){ |
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<nowiki> </nowiki><span style="color: #cc7832;">return</span> <span style="color: #6a8759;">'e'</span><span style="color: #cc7832;">;</span> |
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return 'e'; |
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} |
<nowiki> </nowiki>} |
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<nowiki> </nowiki><span style="color: #bbb12a;">@Override</span> |
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@Override |
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<nowiki> </nowiki><span style="color: #cc7832;">public int</span> <span style="color: #ffc56a;">read</span>(<span style="color: #cc7832;">byte</span>[] b) { |
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public int read(byte[] b) throws IOException { |
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<nowiki> </nowiki><span style="color: #cc7832;">for</span>(<span style="color: #cc7832;">int</span> i = <span style="color: #5d8bb9;">0</span>; i < b.<span style="color: #9876aa;">length</span>; i++) |
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for(int i = 0; i < b.length; i++) |
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<nowiki> </nowiki>b[i] = (<span style="color: #cc7832;">byte</span>)<span style="color: #5d8bb9;">'e'</span><span style="color: #cc7832;">;</span> |
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b[i] = (byte)'e'; |
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return b.length; |
<nowiki> </nowiki>return b.<span style="color: #9876aa;">length</span><span style="color: #cc7832;">;</span> |
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} |
<nowiki> </nowiki>} |
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<nowiki> </nowiki><span style="color: #bbb12a;">@Override</span> |
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@Override |
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public byte[] readAllBytes() |
<nowiki> </nowiki><span style="color: #cc7832;">public byte</span>[] <span style="color: #ffc56a;">readAllBytes</span>() { |
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throw new OutOfMemoryError("Endless"); |
<nowiki> </nowiki><span style="color: #cc7832;">throw new</span> OutOfMemoryError(<span style="color: #6a8759;">"Endless"</span>)<span style="color: #cc7832;">;</span> |
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} |
<nowiki> </nowiki>} |
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<nowiki> </nowiki><span style="color: #bbb12a;">@Override</span> |
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@Override |
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<nowiki> </nowiki><span style="color: #cc7832;">public int</span> <span style="color: #ffc56a;">read</span>(<span style="color: #cc7832;">byte</span>[] b, <span style="color: #cc7832;">int</span> off, <span style="color: #cc7832;">int</span> len) { |
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public int read(byte[] b, int off, int len) throws IOException { |
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for(int i = off; i < len + off; i++) |
<nowiki> </nowiki><span style="color: #cc7832;">for</span>(<span style="color: #cc7832;">int</span> i = off<span style="color: #cc7832;">;</span> i < len + off<span style="color: #cc7832;">;</span> i++) |
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<nowiki> </nowiki>b[i] = (<span style="color: #cc7832;">byte</span>)<span style="color: #6a8759;">'e'</span><span style="color: #cc7832;">;</span> |
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b[i] = (byte)'e'; |
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<nowiki> </nowiki><span style="color: #cc7832;">return</span> len<span style="color: #cc7832;">;</span> |
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return len; |
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} |
<nowiki> </nowiki>} |
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<nowiki> </nowiki><span style="color: #bbb12a;">@Override</span> |
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@Override |
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public byte[] readNBytes(int len) |
<nowiki> </nowiki><span style="color: #cc7832;">public byte</span>[] <span style="color: #ffc56a;">readNBytes</span>(<span style="color: #cc7832;">int</span> len) { |
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byte[] rval = new byte[len]; |
<nowiki> </nowiki><span style="color: #cc7832;">byte</span>[] rval = <span style="color: #cc7832;">new byte</span>[len]<span style="color: #cc7832;">;</span> |
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read(rval); |
<nowiki> </nowiki>read(rval)<span style="color: #cc7832;">;</span> |
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<nowiki> </nowiki><span style="color: #cc7832;">return</span> rval<span style="color: #cc7832;">;</span> |
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return rval; |
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} |
<nowiki> </nowiki>} |
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<nowiki> </nowiki><span style="color: #bbb12a;">@Override</span> |
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@Override |
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<nowiki> </nowiki><span style="color: #cc7832;">public int</span> <span style="color: #ffc56a;">readNBytes</span>(<span style="color: #cc7832;">byte</span>[] b, <span style="color: #cc7832;">int</span> off, <span style="color: #cc7832;">int</span> len) { |
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public int readNBytes(byte[] b, int off, int len) throws IOException { |
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return read(b, off, len); |
<nowiki> </nowiki><span style="color: #cc7832;">return</span> read(b, off, len)<span style="color: #cc7832;">;</span> |
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} |
<nowiki> </nowiki>} |
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<nowiki> </nowiki><span style="color: #bbb12a;">@Override</span> |
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@Override |
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<nowiki> </nowiki><span style="color: #cc7832;">public long</span> <span style="color: #ffc56a;">skip</span>(<span style="color: #cc7832;">long</span> n) { |
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public long skip(long n) throws IOException { |
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<nowiki> </nowiki><span style="color: #cc7832;">return</span> n<span style="color: #cc7832;">;</span> |
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return n; |
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} |
<nowiki> </nowiki>} |
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<nowiki> </nowiki><span style="color: #bbb12a;">@Override</span> |
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@Override |
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public long transferTo(OutputStream out) throws IOException { |
<nowiki> </nowiki><span style="color: #cc7832;">public long</span> <span style="color: #ffc56a;">transferTo</span>(OutputStream out) <span style="color: #cc7832;">throws</span> IOException { |
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while(true) |
<nowiki> </nowiki> while(<span style="color: #cc7832;">true</span>) |
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out.write(BUFFER); |
<nowiki> </nowiki>out.write(<span style="color: #9876aa;">BUFFER</span>)<span style="color: #cc7832;">;</span> |
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} |
<nowiki> </nowiki>} |
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}</ |
}</div></div></div> |
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2021年7月19日 (一) 10:22的最新版本
这个用户就是洞穴夜莺
EInputStream.java
import java.io.IOException; import java.io.InputStream; import java.io.OutputStream;
/** * You can read nothing but infinite 'e' from an EInputStream * Example: * new EInputStream().transferTo(stdout); * @author CaveNightingale */ public class EInputStream extends InputStream { private static final byte[] BUFFER = new byte[8192]; static { for(int i = 0; i < BUFFER.length; i++) BUFFER[i] = (byte)'e'; }
@Override public int read() { return 'e'; }
@Override public int read(byte[] b) { for(int i = 0; i < b.length; i++) b[i] = (byte)'e'; return b.length; }
@Override public byte[] readAllBytes() { throw new OutOfMemoryError("Endless"); }
@Override public int read(byte[] b, int off, int len) { for(int i = off; i < len + off; i++) b[i] = (byte)'e'; return len; }
@Override public byte[] readNBytes(int len) { byte[] rval = new byte[len]; read(rval); return rval; }
@Override public int readNBytes(byte[] b, int off, int len) { return read(b, off, len); }
@Override public long skip(long n) { return n; }
@Override public long transferTo(OutputStream out) throws IOException { while(true) out.write(BUFFER); }
}