Example usage for java.io PrintWriter PrintWriter

Introduction

In this page you can find the example usage for java.io PrintWriter PrintWriter.

Prototype

public PrintWriter(File file, Charset charset) throws IOException

Source Link

Document

Creates a new PrintWriter, without automatic line flushing, with the specified file and charset.

Usage

From source file:com.googlecode.dex2jar.test.V3Test.java

public static void doData(byte[] data, final File destDir) throws IOException {

    final int lineCount = 50;

    DexFileReader reader = new DexFileReader(data);
    V3InnerClzGather afa = new V3InnerClzGather();
    final List<String> exes = new ArrayList<String>();
    reader.accept(afa, DexFileReader.SKIP_CODE | DexFileReader.SKIP_DEBUG);
    System.out.flush();//from w  w  w . j  a v a  2s  .co  m
    String logFileName = "target/v3.log." + System.currentTimeMillis();
    final PrintWriter log = new PrintWriter(logFileName, "UTF-8");
    System.out.write(String.format("%05d ", 0).getBytes(UTF8));
    reader.accept(new V3(afa.getClasses(), null, new ClassVisitorFactory() {
        int count = 0;

        @Override
        public ClassVisitor create(final String name) {
            return new ClassWriter(ClassWriter.COMPUTE_MAXS) {
                @Override
                public void visitEnd() {
                    count++;
                    try {
                        super.visitEnd();
                        byte[] data = this.toByteArray();
                        FileUtils.writeByteArrayToFile(new File(destDir, name + ".class"), data);
                        TestUtils.verify(new ClassReader(data), log);
                        System.out.write('.');
                    } catch (Throwable e) {
                        System.out.write('X');
                        exes.add(String.format("%05d %s - %s", count - 1, name, e.getMessage()));
                    }
                    if (count % lineCount == 0) {
                        try {
                            System.out.write(String.format("\n%05d ", count).getBytes(UTF8));
                        } catch (IOException e) {
                            throw new RuntimeException(e);
                        }
                    }
                    System.out.flush();
                }
            };
        }
    }, V3.REUSE_REGISTER | V3.TOPOLOGICAL_SORT | V3.OPTIMIZE_SYNCHRONIZED), DexFileReader.SKIP_DEBUG);
    System.out.flush();
    System.out.println();
    log.close();
    if (exes.size() > 0) {
        StringBuilder sb = new StringBuilder("there are ").append(exes.size())
                .append(" error(s) while translate\n");
        for (String ln : exes) {
            sb.append(ln).append("\n");
        }
        sb.append("details: ").append(logFileName).append("\n");
        throw new RuntimeException(sb.toString());
    }
}