jdk/src/java.base/windows/native/libjava/Console_md.c
changeset 25859 3317bb8137f4
parent 23010 6dadb192ad81
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/windows/native/libjava/Console_md.c	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2005, 2013, 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;
+}