Created
July 14, 2012 16:30
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PHPのfile_get_contentsをJavaに移植(file_get_contents of PHP was written by Java)
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import java.io.InputStream; | |
import java.io.InputStreamReader; | |
import java.io.BufferedReader; | |
import java.net.URL; | |
class MyFileUtil { | |
/** | |
* PHPのfile_get_contentsもどき | |
* urlに指定されたページのHTMLを取得します | |
* @param url HTMLを取得したいページのURL | |
* @param encode 取得するHTMLページのURL | |
* @return 取得したHTML | |
*/ | |
public static StringBuffer fileGetContents( String url, String encode ) { | |
StringBuffer buffer = new StringBuffer(); | |
try { | |
InputStream is = new URL(url).openStream(); | |
InputStreamReader isr = new InputStreamReader(is, encode); | |
BufferedReader in = new BufferedReader(isr); | |
String s = null; | |
while ( (s = in.readLine()) != null) { | |
buffer.append(s).append("\n"); | |
} | |
} catch ( Exception e ) { | |
System.out.println( e.toString() ); | |
buffer = null; | |
} finally { | |
return buffer; | |
} | |
} | |
/** | |
* PHPのfile_get_contentsもどき | |
* urlに指定されたページのHTMLを取得します | |
* エンコードはJISAutoDetectで自動判別させる(失敗する可能性あり!?) | |
* @param url HTMLを取得したいページのURL | |
* @return 取得したHTML | |
*/ | |
public static StringBuffer fileGetContents( String url ) { | |
return fileGetContents( url, "JISAutoDetect" ); | |
} | |
// 使い方(usage) | |
public static void main( String[] args ) { | |
StringBuffer htmlBuffer = MyFileUtil.fileGetContents( "http://example.com/" ); | |
System.out.println( htmlBuffer.toString() ); | |
} | |
} |
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