ManagementUtils.java 文件源码

/**
 * @return an instance of {@link CompositeType}for the
 *         {@link StackTraceElement}class.
 */
private static CompositeType getStackTraceElementCompositeType() {
    if (STACKTRACEELEMENT_COMPOSITETYPE == null) {
        String[] typeNames = { "className", "methodName", "fileName",
                "lineNumber", "nativeMethod" };
        String[] typeDescs = { "className", "methodName", "fileName",
                "lineNumber", "nativeMethod" };
        OpenType[] typeTypes = { SimpleType.STRING, SimpleType.STRING,
                SimpleType.STRING, SimpleType.INTEGER, SimpleType.BOOLEAN };
        try {
            STACKTRACEELEMENT_COMPOSITETYPE = new CompositeType(
                    StackTraceElement.class.getName(),
                    StackTraceElement.class.getName(), typeNames,
                    typeDescs, typeTypes);
        } catch (OpenDataException e) {
            if (ManagementUtils.VERBOSE_MODE) {
                e.printStackTrace(System.err);
            }// end if
        }
    }
    return STACKTRACEELEMENT_COMPOSITETYPE;
}