| /* |
| * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include "jni.h" |
| #include "jni_util.h" |
| #include "jvm.h" |
| #include "java_io_Console.h" |
| |
| #include <stdlib.h> |
| #include <Wincon.h> |
| |
| static HANDLE hStdOut = INVALID_HANDLE_VALUE; |
| static HANDLE hStdIn = INVALID_HANDLE_VALUE; |
| JNIEXPORT jboolean JNICALL |
| Java_java_io_Console_istty(JNIEnv *env, jclass cls) |
| { |
| if (hStdIn == INVALID_HANDLE_VALUE && |
| (hStdIn = GetStdHandle(STD_INPUT_HANDLE)) == INVALID_HANDLE_VALUE) { |
| return JNI_FALSE; |
| } |
| if (hStdOut == INVALID_HANDLE_VALUE && |
| (hStdOut = GetStdHandle(STD_OUTPUT_HANDLE)) == INVALID_HANDLE_VALUE) { |
| return JNI_FALSE; |
| } |
| if (GetFileType(hStdIn) != FILE_TYPE_CHAR || |
| GetFileType(hStdOut) != FILE_TYPE_CHAR) |
| return JNI_FALSE; |
| return JNI_TRUE; |
| } |
| |
| JNIEXPORT jstring JNICALL |
| Java_java_io_Console_encoding(JNIEnv *env, jclass cls) |
| { |
| char buf[64]; |
| int cp = GetConsoleCP(); |
| if (cp >= 874 && cp <= 950) |
| sprintf(buf, "ms%d", cp); |
| else |
| sprintf(buf, "cp%d", cp); |
| return JNU_NewStringPlatform(env, buf); |
| } |
| |
| JNIEXPORT jboolean JNICALL |
| Java_java_io_Console_echo(JNIEnv *env, jclass cls, jboolean on) |
| { |
| DWORD fdwMode; |
| jboolean old; |
| if (! GetConsoleMode(hStdIn, &fdwMode)) { |
| JNU_ThrowIOExceptionWithLastError(env, "GetConsoleMode failed"); |
| return !on; |
| } |
| old = (fdwMode & ENABLE_ECHO_INPUT) != 0; |
| if (on) { |
| fdwMode |= ENABLE_ECHO_INPUT; |
| } else { |
| fdwMode &= ~ENABLE_ECHO_INPUT; |
| } |
| if (! SetConsoleMode(hStdIn, fdwMode)) { |
| JNU_ThrowIOExceptionWithLastError(env, "SetConsoleMode failed"); |
| } |
| return old; |
| } |