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How to use copyFileUsingStream method of samples.powermockito.junit4.jacoco.JacocoCoverageTest class

Best Powermock code snippet using samples.powermockito.junit4.jacoco.JacocoCoverageTest.copyFileUsingStream

Source:JacocoCoverageTest.java

...79        for (String className : TARGET) {80            instrumentClass(instr, className);81        }82    }83    private static void copyFileUsingStream(File source, File dest) throws IOException {84        InputStream is = null;85        OutputStream os = null;86        try {87            is = new FileInputStream(source);88            os = new FileOutputStream(dest, false);89            byte[] buffer = new byte[1024];90            int length;91            while ((length = is.read(buffer)) > 0) {92                os.write(buffer, 0, length);93            }94        } finally {95            if (is != null) {96                is.close();97            }98            if (os != null) {99                os.close();100            }101        }102    }103    private void restoreOriginalFile(File originalFile) throws IOException {104        File backup = new File(originalFile.getAbsolutePath() + ".bak");105        if (originalFile.exists()) {106            originalFile.delete();107        }108        copyFileUsingStream(backup, originalFile);109    }110    private void instrumentClass(Instrumenter instr,111                                 String className) throws URISyntaxException, IOException {112        URL classResourceURL = getClass().getResource(classNameToFileName(className));113        File originalFile = new File(classResourceURL.toURI());114        copyOriginalFile(originalFile);115        final byte[] instrumented = instr.instrument(classResourceURL.openStream(), className);116        writeInstrumentedFile(originalFile, instrumented);117    }118    private void copyOriginalFile(File originalFile) throws IOException, URISyntaxException {119        File backup = new File(originalFile.getAbsolutePath() + ".bak");120        if (backup.exists()) {121            backup.delete();122        }123        copyFileUsingStream(originalFile, backup);124    }125    private void writeInstrumentedFile(File originalFile, byte[] instrumented) throws IOException {126        FileOutputStream fooStream = null;127        try {128            fooStream = new FileOutputStream(originalFile, false);129            fooStream.write(instrumented);130        } finally {131            if (fooStream != null) {132                fooStream.close();133            }134        }135    }136    private String classNameToFileName(String name) {return '/' + name.replace('.', '/') + ".class";}137}...

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