Java 类org.apache.tools.ant.util.ReflectUtil 实例源码

/**
 * Check if bsf supports the language.
 * @return true if bsf can create an engine for this language.
 */
@Override
public boolean supportsLanguage() {
    Map<String, String> table =
        ReflectUtil.getField(new BSFManager(), "registeredEngines");
    String engineClassName = table.get(getLanguage());
    if (engineClassName == null) {
        getProject().log(
            "This is no BSF engine class for language '"
            + getLanguage() + "'",
            Project.MSG_VERBOSE);
        return false;
    }
    try {
        getScriptClassLoader().loadClass(engineClassName);
        return true;
    } catch (Throwable ex) {
        getProject().log(
            "unable to create BSF engine class for language '"
            + getLanguage() + "'",
            ex,
            Project.MSG_VERBOSE);
        return false;
    }
}

/**
 * Handle the input
 * @param request the request to handle
 * @throws BuildException if not possible to read from console
 */
public void handleInput(InputRequest request) throws BuildException {
    String prompt = getPrompt(request);
    try {
        Object console = ReflectUtil.invokeStatic(System.class, "console");
        do {
            char[] input = (char[]) ReflectUtil.invoke(
                console, "readPassword", String.class, prompt,
                Object[].class, (Object[]) null);
            request.setInput(new String(input));
            /* for security zero char array after retrieving value */
            java.util.Arrays.fill(input, ' ');
        } while (!request.isInputValid());
    } catch (Exception e) {
        /* Java6 not present use default handler */
        super.handleInput(request);
    }
}

public static int getPortWithoutPing(HttpProxyCacheServer server) {
    return (Integer) ReflectUtil.getField(server, "port");
}