Examples with IllegalArgumentException java.lang.IllegalArgumentException used on opensource projects

Example 41 with IllegalArgumentException

use of java.lang.IllegalArgumentException in project openj9 by eclipse.

the class CreateTestObjectJar method main.

public static void main(String[] args) throws Throwable {
    File testDir = new File(args[0]);
    String testType = args[1];
    String jarFileName = null;
    ClassReader cr = new ClassReader("java/lang/Object");
    ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
    FieldVisitor fv = null;
    cr.accept(cw, 0);
    if (!testDir.isDirectory()) {
        printUsage();
        throw new IllegalArgumentException("Invalid directory: " + testDir.getPath());
    }
    /* Modify the Object class according with the test type */
    if (testType.equalsIgnoreCase("d")) {
        fv = cw.visitField(ACC_PRIVATE, "d", "D", null, null);
        jarFileName = "object_d.jar";
    } else if (testType.equalsIgnoreCase("i")) {
        fv = cw.visitField(ACC_PRIVATE, "i", "I", null, null);
        jarFileName = "object_i.jar";
    } else if (testType.equalsIgnoreCase("ii")) {
        fv = cw.visitField(ACC_PRIVATE, "i", "I", null, null);
        fv = cw.visitField(ACC_PRIVATE, "ii", "I", null, null);
        jarFileName = "object_ii.jar";
    } else if (testType.equalsIgnoreCase("iii")) {
        fv = cw.visitField(ACC_PRIVATE, "i", "I", null, null);
        fv = cw.visitField(ACC_PRIVATE, "ii", "I", null, null);
        fv = cw.visitField(ACC_PRIVATE, "iii", "I", null, null);
        jarFileName = "object_iii.jar";
    } else {
        printUsage();
        throw new IllegalArgumentException("Invalid test type: " + testType);
    }
    if (null != fv) {
        fv.visitEnd();
    }
    /* Write the final jar file with the modified Object class in it */
    if (null != jarFileName) {
        ZipOutputStream outJar = new ZipOutputStream(new FileOutputStream(testDir.getPath() + "/" + jarFileName));
        outJar.putNextEntry(new ZipEntry("java/lang/Object.class"));
        ByteArrayInputStream inJar = new ByteArrayInputStream(cw.toByteArray());
        int len;
        byte[] buf = new byte[bufLen];
        while ((len = inJar.read(buf)) > 0) {
            outJar.write(buf, 0, len);
        }
        outJar.closeEntry();
        outJar.close();
    }
}