Examples with HDDEDATA com.sun.jna.platform.win32.Ddeml.HDDEDATA used on opensource projects

Example 1 with HDDEDATA

use of com.sun.jna.platform.win32.Ddeml.HDDEDATA in project jna by java-native-access.

the class DdemlTest method testMemoryHandling.

@Test
public void testMemoryHandling() {
    DdeCallback callback = new Ddeml.DdeCallback() {

        public WinDef.PVOID ddeCallback(int wType, int wFmt, Ddeml.HCONV hConv, Ddeml.HSZ hsz1, Ddeml.HSZ hsz2, Ddeml.HDDEDATA hData, BaseTSD.ULONG_PTR lData1, BaseTSD.ULONG_PTR lData2) {
            return new PVOID();
        }
    };
    DWORDByReference pidInst = new DWORDByReference();
    int initResult = Ddeml.INSTANCE.DdeInitialize(pidInst, callback, Ddeml.APPCMD_CLIENTONLY, 0);
    assertEquals(Ddeml.DMLERR_NO_ERROR, initResult);
    // Acquire dummy handle
    HSZ hsz = Ddeml.INSTANCE.DdeCreateStringHandle(pidInst.getValue().intValue(), "Dummy", Ddeml.CP_WINUNICODE);
    String testStringPart1 = "Hallo ";
    String testStringPart2 = "Welt";
    // Create Handle
    // String in DDE can not exceed 255 Chars
    Memory mem = new Memory(256 * 2);
    mem.setWideString(0, testStringPart1);
    HDDEDATA data = Ddeml.INSTANCE.DdeCreateDataHandle(pidInst.getValue().intValue(), mem, testStringPart1.length() * 2, 0, hsz, WinUser.CF_UNICODETEXT, Ddeml.HDATA_APPOWNED);
    mem.setWideString(0, testStringPart2);
    Ddeml.INSTANCE.DdeAddData(data, mem, (testStringPart2.length() + 1) * 2, testStringPart1.length() * 2);
    DWORDByReference dataSize = new DWORDByReference();
    Pointer resultPointer = Ddeml.INSTANCE.DdeAccessData(data, dataSize);
    assertEquals((testStringPart1.length() + testStringPart2.length() + 1) * 2, dataSize.getValue().intValue());
    assertEquals(testStringPart1 + testStringPart2, resultPointer.getWideString(0));
    boolean result = Ddeml.INSTANCE.DdeUnaccessData(data);
    int readSize = Ddeml.INSTANCE.DdeGetData(data, mem, (int) mem.size(), 0);
    assertEquals((testStringPart1.length() + testStringPart2.length() + 1) * 2, readSize);
    assertEquals(testStringPart1 + testStringPart2, mem.getWideString(0));
    assertTrue(result);
    result = Ddeml.INSTANCE.DdeFreeDataHandle(data);
    assertTrue(result);
    synchronized (mem) {
    }
    result = Ddeml.INSTANCE.DdeUninitialize(pidInst.getValue().intValue());
    assertTrue(result);
}

Example 2 with HDDEDATA

use of com.sun.jna.platform.win32.Ddeml.HDDEDATA in project jna by java-native-access.

the class DdemlUtilTest method testAbandonTransaction.

@Test
public void testAbandonTransaction() throws InterruptedException {
    final String serviceName = "TestService";
    final String topicName = "TestTopic";
    final String testExecute = "Execute�������";
    final CountDownLatch allTransactionsInvoked = new CountDownLatch(1);
    final CountDownLatch executesProcessed = new CountDownLatch(3);
    StandaloneDdeClient client = null;
    StandaloneDdeClient server = null;
    try {
        client = new StandaloneDdeClient() {

            private final XactCompleteHandler xactCompleteHandler = new XactCompleteHandler() {

                public void onXactComplete(int transactionType, int dataFormat, HCONV hConv, HSZ topic, HSZ item, HDDEDATA hdata, ULONG_PTR transactionIdentifier, ULONG_PTR statusFlag) {
                    executesProcessed.countDown();
                }
            };

            {
                registerXactCompleteHandler(xactCompleteHandler);
                this.initialize(Ddeml.APPCMD_CLIENTONLY | Ddeml.CBF_SKIP_REGISTRATIONS | Ddeml.CBF_SKIP_UNREGISTRATIONS);
            }
        };
        server = new StandaloneDdeClient() {

            private final ConnectHandler connectHandler = new ConnectHandler() {

                public boolean onConnect(int transactionType, HSZ topic, HSZ service, Ddeml.CONVCONTEXT convcontext, boolean sameInstance) {
                    return topicName.equals(queryString(topic));
                }
            };

            private final ExecuteHandler executeHandler = new ExecuteHandler() {

                public int onExecute(int transactionType, HCONV hconv, HSZ topic, Ddeml.HDDEDATA commandStringData) {
                    try {
                        if (!allTransactionsInvoked.await(5, TimeUnit.SECONDS)) {
                            return Ddeml.DDE_FNOTPROCESSED;
                        }
                        Pointer[] pointer = new Pointer[] { accessData(commandStringData, null) };
                        try {
                            String commandString = pointer[0].getWideString(0);
                            if (testExecute.equals(commandString) && queryString(topic).equals(topicName)) {
                                return Ddeml.DDE_FACK;
                            }
                        } finally {
                            synchronized (pointer) {
                                unaccessData(commandStringData);
                            }
                        }
                        return Ddeml.DDE_FNOTPROCESSED;
                    } catch (InterruptedException ex) {
                        Logger.getLogger(DdemlUtilTest.class.getName()).log(Level.SEVERE, null, ex);
                        return Ddeml.DDE_FNOTPROCESSED;
                    }
                }
            };

            {
                registerConnectHandler(connectHandler);
                registerExecuteHandler(executeHandler);
                this.initialize(Ddeml.APPCMD_FILTERINITS | Ddeml.CBF_SKIP_ALLNOTIFICATIONS);
            }
        };
        server.nameService(serviceName, Ddeml.DNS_REGISTER);
        IDdeConnection con = client.connect(serviceName, topicName, null);
        WinDef.DWORDByReference result = new WinDef.DWORDByReference();
        con.execute(testExecute, Ddeml.TIMEOUT_ASYNC, result, null);
        con.execute(testExecute, Ddeml.TIMEOUT_ASYNC, result, null);
        int transactionId2 = result.getValue().intValue();
        con.execute(testExecute, Ddeml.TIMEOUT_ASYNC, result, null);
        con.abandonTransaction(transactionId2);
        allTransactionsInvoked.countDown();
        assertFalse(executesProcessed.await(2, TimeUnit.SECONDS));
        assertThat(executesProcessed.getCount(), is(1L));
    } finally {
        closeQuitely(client);
        closeQuitely(server);
    }
}

Example 3 with HDDEDATA

use of com.sun.jna.platform.win32.Ddeml.HDDEDATA in project jna by java-native-access.

the class DdemlUtilTest method testQueryConvInfoSetUserHandle.

@Test
public void testQueryConvInfoSetUserHandle() throws InterruptedException {
    final String serviceName = "TestService";
    final String topicName = "TestTopic";
    final String testExecute = "Execute�������";
    final CountDownLatch executesProcessed = new CountDownLatch(1);
    StandaloneDdeClient client = null;
    StandaloneDdeClient server = null;
    try {
        client = new StandaloneDdeClient() {

            private final XactCompleteHandler xactCompleteHandler = new XactCompleteHandler() {

                public void onXactComplete(int transactionType, int dataFormat, HCONV hConv, HSZ topic, HSZ item, HDDEDATA hdata, ULONG_PTR transactionIdentifier, ULONG_PTR statusFlag) {
                    CONVINFO convInfo = wrap(hConv).queryConvInfo(transactionIdentifier.intValue());
                    if (convInfo.hUser.intValue() == 42) {
                        executesProcessed.countDown();
                    }
                }
            };

            {
                registerXactCompleteHandler(xactCompleteHandler);
                this.initialize(Ddeml.APPCMD_CLIENTONLY | Ddeml.CBF_SKIP_REGISTRATIONS | Ddeml.CBF_SKIP_UNREGISTRATIONS);
            }
        };
        server = new StandaloneDdeClient() {

            private final ConnectHandler connectHandler = new ConnectHandler() {

                public boolean onConnect(int transactionType, HSZ topic, HSZ service, Ddeml.CONVCONTEXT convcontext, boolean sameInstance) {
                    return topicName.equals(queryString(topic));
                }
            };

            private final ExecuteHandler executeHandler = new ExecuteHandler() {

                public int onExecute(int transactionType, HCONV hconv, HSZ topic, Ddeml.HDDEDATA commandStringData) {
                    Pointer[] pointer = new Pointer[] { accessData(commandStringData, null) };
                    try {
                        String commandString = pointer[0].getWideString(0);
                        if (testExecute.equals(commandString) && queryString(topic).equals(topicName)) {
                            return Ddeml.DDE_FACK;
                        }
                    } finally {
                        synchronized (pointer) {
                            unaccessData(commandStringData);
                        }
                    }
                    return Ddeml.DDE_FNOTPROCESSED;
                }
            };

            {
                registerConnectHandler(connectHandler);
                registerExecuteHandler(executeHandler);
                this.initialize(Ddeml.APPCMD_FILTERINITS | Ddeml.CBF_SKIP_ALLNOTIFICATIONS);
            }
        };
        server.nameService(serviceName, Ddeml.DNS_REGISTER);
        IDdeConnection con = client.connect(serviceName, topicName, null);
        con.execute(testExecute, Ddeml.TIMEOUT_ASYNC, null, new BaseTSD.DWORD_PTR(42L));
        assertTrue(executesProcessed.await(3, TimeUnit.SECONDS));
    } finally {
        closeQuitely(client);
        closeQuitely(server);
    }
}

Example 4 with HDDEDATA

use of com.sun.jna.platform.win32.Ddeml.HDDEDATA in project jna by java-native-access.

the class DdemlUtilTest method testEnableCallback.

@Test
public void testEnableCallback() throws InterruptedException {
    final String serviceName = "TestService";
    final String topicName = "TestTopic";
    final String testExecute = "Execute�������";
    final CountDownLatch executesProcessed = new CountDownLatch(3);
    StandaloneDdeClient client = null;
    StandaloneDdeClient server = null;
    try {
        client = new StandaloneDdeClient() {

            private final XactCompleteHandler xactCompleteHandler = new XactCompleteHandler() {

                public void onXactComplete(int transactionType, int dataFormat, HCONV hConv, HSZ topic, HSZ item, HDDEDATA hdata, ULONG_PTR transactionIdentifier, ULONG_PTR statusFlag) {
                    executesProcessed.countDown();
                }
            };

            {
                registerXactCompleteHandler(xactCompleteHandler);
                this.initialize(Ddeml.APPCMD_CLIENTONLY | Ddeml.CBF_SKIP_REGISTRATIONS | Ddeml.CBF_SKIP_UNREGISTRATIONS);
            }
        };
        server = new StandaloneDdeClient() {

            private final ConnectHandler connectHandler = new ConnectHandler() {

                public boolean onConnect(int transactionType, HSZ topic, HSZ service, Ddeml.CONVCONTEXT convcontext, boolean sameInstance) {
                    return topicName.equals(queryString(topic));
                }
            };

            private final ExecuteHandler executeHandler = new ExecuteHandler() {

                public int onExecute(int transactionType, HCONV hconv, HSZ topic, Ddeml.HDDEDATA commandStringData) {
                    Pointer[] pointer = new Pointer[] { accessData(commandStringData, null) };
                    try {
                        String commandString = pointer[0].getWideString(0);
                        if (testExecute.equals(commandString) && queryString(topic).equals(topicName)) {
                            return Ddeml.DDE_FACK;
                        }
                    } finally {
                        synchronized (pointer) {
                            unaccessData(commandStringData);
                        }
                    }
                    return Ddeml.DDE_FNOTPROCESSED;
                }
            };

            {
                registerConnectHandler(connectHandler);
                registerExecuteHandler(executeHandler);
                this.initialize(Ddeml.APPCMD_FILTERINITS | Ddeml.CBF_SKIP_ALLNOTIFICATIONS);
            }
        };
        server.nameService(serviceName, Ddeml.DNS_REGISTER);
        server.enableCallback(Ddeml.EC_DISABLE);
        assertThat(server.enableCallback(Ddeml.EC_QUERYWAITING), is(false));
        IDdeConnection con = client.connect(serviceName, topicName, null);
        WinDef.DWORDByReference result = new WinDef.DWORDByReference();
        con.execute(testExecute, Ddeml.TIMEOUT_ASYNC, result, null);
        con.execute(testExecute, Ddeml.TIMEOUT_ASYNC, result, null);
        con.execute(testExecute, Ddeml.TIMEOUT_ASYNC, result, null);
        assertThat(server.enableCallback(Ddeml.EC_QUERYWAITING), is(true));
        server.enableCallback(Ddeml.EC_ENABLEALL);
        assertTrue(executesProcessed.await(3, TimeUnit.SECONDS));
    } finally {
        closeQuitely(client);
        closeQuitely(server);
    }
}

Example 5 with HDDEDATA

use of com.sun.jna.platform.win32.Ddeml.HDDEDATA in project jna by java-native-access.

the class DdemlUtilTest method testAdvise.

@Test
public void testAdvise() throws InterruptedException {
    final String serviceName = "TestService";
    final String topicName = "TestTopic";
    final String itemName = "TestItem";
    final String testValue = "Execute�������";
    final CountDownLatch adviseStartReceived = new CountDownLatch(1);
    final CountDownLatch adviseDataRequestReceived = new CountDownLatch(1);
    final CountDownLatch adviseDataReceived = new CountDownLatch(1);
    StandaloneDdeClient client = null;
    StandaloneDdeClient server = null;
    try {
        client = new StandaloneDdeClient() {

            private final AdvdataHandler advdataHandler = new DdemlUtil.AdvdataHandler() {

                public int onAdvdata(int transactionType, int dataFormat, HCONV hconv, HSZ topic, HSZ item, HDDEDATA hdata) {
                    if (dataFormat == WinUser.CF_UNICODETEXT && topicName.equals(queryString(topic)) && itemName.equals(queryString(item))) {
                        Pointer pointer = accessData(hdata, null);
                        try {
                            if (testValue.equals(pointer.getWideString(0))) {
                                adviseDataReceived.countDown();
                            }
                        } finally {
                            unaccessData(hdata);
                        }
                    }
                    return Ddeml.DDE_FACK;
                }
            };

            {
                registerAdvdataHandler(advdataHandler);
                this.initialize(Ddeml.APPCMD_CLIENTONLY | Ddeml.CBF_SKIP_REGISTRATIONS | Ddeml.CBF_SKIP_UNREGISTRATIONS);
            }
        };
        server = new StandaloneDdeClient() {

            private final ConnectHandler connectHandler = new ConnectHandler() {

                public boolean onConnect(int transactionType, HSZ topic, HSZ service, Ddeml.CONVCONTEXT convcontext, boolean sameInstance) {
                    return topicName.equals(queryString(topic));
                }
            };

            private final AdvreqHandler advreqHandler = new AdvreqHandler() {

                public HDDEDATA onAdvreq(int transactionType, int dataFormat, HCONV hconv, HSZ topic, HSZ item, int count) {
                    adviseDataRequestReceived.countDown();
                    Memory mem = new Memory((testValue.length() + 1) * 2);
                    mem.setWideString(0, testValue);
                    return createDataHandle(mem, (int) mem.size(), 0, item, dataFormat, 0);
                }
            };

            private final AdvstartHandler advstartHandler = new AdvstartHandler() {

                public boolean onAdvstart(int transactionType, int dataFormat, HCONV hconv, HSZ topic, HSZ item) {
                    adviseStartReceived.countDown();
                    return dataFormat == WinUser.CF_UNICODETEXT && topicName.equals(queryString(topic)) && itemName.equals(queryString(item));
                }
            };

            {
                registerConnectHandler(connectHandler);
                registerAdvReqHandler(advreqHandler);
                registerAdvstartHandler(advstartHandler);
                this.initialize(Ddeml.APPCMD_FILTERINITS | Ddeml.CBF_SKIP_ALLNOTIFICATIONS);
            }
        };
        server.nameService(serviceName, Ddeml.DNS_REGISTER);
        IDdeConnection con = client.connect(serviceName, topicName, null);
        con.advstart(itemName, WinUser.CF_UNICODETEXT, 5 * 1000, null, null);
        assertTrue(adviseStartReceived.await(5, TimeUnit.SECONDS));
        server.postAdvise(topicName, itemName);
        assertTrue(adviseDataRequestReceived.await(5, TimeUnit.SECONDS));
        assertTrue(adviseDataReceived.await(5, TimeUnit.SECONDS));
    } finally {
        closeQuitely(client);
        closeQuitely(server);
    }
}