/*
* Copyright ( c ) 2012 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
/*
* This utils class is been used by test T8003512 which is compiled with Java 6
* only features . So if this class is modified , it should be so using Java 6
* features only .
*/
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.Closeable;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
public class Utils {
static final sun.tools.jar.Main jarTool =
new sun.tools.jar.Main(System.out, System.err, "jar-tool" );
static final com.sun.tools.javac.Main javac =
new com.sun.tools.javac.Main();
private Utils(){}
public static boolean compile(String... args) {
return javac.compile(args) == 0 ;
}
public static void createClassFile(File javaFile, File superClass,
boolean delete ) throws IOException {
createJavaFile(javaFile, superClass);
if (!compile(javaFile.getName())) {
throw new RuntimeException("compile failed unexpectedly" );
}
if (delete ) javaFile.delete ();
}
public static void createJavaFile(File outFile) throws IOException {
createJavaFile(outFile, null );
}
public static void createJavaFile(File outFile, File superClass) throws IOException {
PrintStream ps = null ;
String srcStr = "public class " + getSimpleName(outFile) + " " ;
if (superClass != null ) {
srcStr = srcStr.concat("extends " + getSimpleName(superClass) + " " );
}
srcStr = srcStr.concat("{}" );
try {
FileOutputStream fos = new FileOutputStream(outFile);
ps = new PrintStream(fos);
ps.println(srcStr);
} finally {
close(ps);
}
}
static String getClassFileName(File javaFile) {
return javaFile.getName().endsWith(".java" )
? javaFile.getName().replace(".java" , ".class" )
: null ;
}
static String getSimpleName(File inFile) {
String fname = inFile.getName();
return fname.substring(0 , fname.indexOf("." ));
}
public static void copyStream(InputStream in, OutputStream out) throws IOException {
byte [] buf = new byte [8192 ];
int n = in.read(buf);
while (n > 0 ) {
out.write(buf, 0 , n);
n = in.read(buf);
}
}
public static void close(Closeable c) {
if (c != null ) {
try {
c.close();
} catch (IOException ignore) {}
}
}
public static void deleteFile(File f) {
if (!f.delete ()) {
throw new RuntimeException("could not delete file: " + f.getAbsolutePath());
}
}
public static void cat(File output, File... files) throws IOException {
BufferedInputStream bis = null ;
BufferedOutputStream bos = null ;
FileOutputStream fos = null ;
try {
fos = new FileOutputStream(output);
bos = new BufferedOutputStream(fos);
for (File x : files) {
FileInputStream fis = new FileInputStream(x);
bis = new BufferedInputStream(fis);
copyStream(bis, bos);
Utils.close(bis);
}
} finally {
Utils.close(bis);
Utils.close(bos);
Utils.close(fos);
}
}
}
Messung V0.5 in Prozent C=88 H=91 G=89
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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