use of com.sun.jna.platform.win32.DdemlUtil.AdvstartHandler 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);
}
}
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