src/jdk.incubator.jpackage/windows/native/libjpackage/WinErrorHandling.cpp
branchJDK-8200758-branch
changeset 58994 b09ba68c6a19
parent 57909 c7de06ed4b54
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.incubator.jpackage/windows/native/libjpackage/WinErrorHandling.cpp	Fri Nov 08 14:53:03 2019 -0500
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2019, 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 "WinErrorHandling.h"
+#include "Log.h"
+#include "SysInfo.h"
+#include "FileUtils.h"
+
+
+namespace {
+
+std::string makeMessage(const std::string& msg, const char* label,
+                                            const void* c, DWORD errorCode) {
+    std::ostringstream err;
+    err << (label ? label : "Some error") << " [" << errorCode << "]";
+
+    HMODULE hmodule = NULL;
+    if (c) {
+        GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
+                | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
+                reinterpret_cast<LPCTSTR>(c), &hmodule);
+
+        if (!hmodule) {
+            LOG_WARNING(tstrings::any() << "GetModuleHandleEx() failed for "
+                    << c << " address.");
+        }
+    }
+    if (hmodule || !c) {
+        err << "(" << SysError::getSysErrorMessage(errorCode, hmodule) << ")";
+    }
+
+    return joinErrorMessages(msg, err.str());
+}
+
+
+std::wstring getSystemMessageDescription(DWORD messageId, HMODULE moduleHandle) {
+    LPWSTR pMsg = NULL;
+    std::wstring descr;
+
+    // we always retrieve UNICODE description from system,
+    // convert it to utf8 if UNICODE is not defined
+
+    while (true) {
+        DWORD res = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER
+                | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS
+                | (moduleHandle != NULL ? FORMAT_MESSAGE_FROM_HMODULE : 0),
+                moduleHandle, messageId, 0, (LPWSTR)&pMsg, 0, NULL);
+        if (res > 0) {
+            // replace all non-printed chars with space
+            for (DWORD i=0; i<res; i++) {
+                if (pMsg[i] < L' ') {
+                    pMsg[i] = L' ';
+                }
+            }
+            // trim right (spaces and dots)
+            for (DWORD i=res; i>0; i--) {
+                if (pMsg[i] > L' ' && pMsg[i] != L'.') {
+                    break;
+                }
+                pMsg[i] = 0;
+            }
+
+            descr = pMsg;
+
+            LocalFree(pMsg);
+        } else {
+            // if we fail to get description for specific moduleHandle,
+            // try to get "common" description.
+            if (moduleHandle != NULL) {
+                moduleHandle = NULL;
+                continue;
+            }
+            descr = L"No description available";
+        }
+        break;
+    }
+
+    return descr;
+}
+
+} // namespace
+
+
+SysError::SysError(const tstrings::any& msg, const void* caller, DWORD ec,
+        const char* label):
+
+std::runtime_error(makeMessage(msg.str(), label, caller, ec)) {
+}
+
+std::wstring SysError::getSysErrorMessage(DWORD errCode, HMODULE moduleHandle) {
+    tstrings::any msg;
+    msg << "system error " << errCode
+        << " (" << getSystemMessageDescription(errCode, moduleHandle) << ")";
+    return msg.tstr();
+}
+
+std::wstring SysError::getComErrorMessage(HRESULT hr) {
+    HRESULT hrOrig = hr;
+    // for FACILITY_WIN32 facility we need to reset hiword
+    if(HRESULT_FACILITY(hr) == FACILITY_WIN32) {
+        hr = HRESULT_CODE(hr);
+    }
+    return tstrings::format(_T("COM error 0x%08X (%s)"), hrOrig,
+            getSystemMessageDescription(hr, NULL));
+}