public int ChangeStreamPass(
XStorage xStorage, String sStreamName, byte[] pOldPass, byte[] pNewPass) {
// open substream element
XStream xSubStream = null;
try {
Object oSubStream =
xStorage.openEncryptedStreamElement(
sStreamName, ElementModes.WRITE, new String(pOldPass));
xSubStream = UnoRuntime.queryInterface(XStream.class, oSubStream);
if (xSubStream == null) {
Error("Can't open substream '" + sStreamName + "'!");
return 0;
}
} catch (Exception e) {
Error("Can't open substream '" + sStreamName + "', exception : " + e + "!");
return 0;
}
// change the password for the stream
XEncryptionProtectedSource xStreamEncryption =
UnoRuntime.queryInterface(XEncryptionProtectedSource.class, xSubStream);
if (xStreamEncryption == null) {
Message(
"Optional interface XEncryptionProtectedSource is not implemented, feature can not be tested!");
return -1;
}
try {
xStreamEncryption.setEncryptionPassword(new String(pNewPass));
} catch (Exception e) {
Error("Can't change encryption key of the substream '" + sStreamName + "', exception:" + e);
return 0;
}
// free the stream resources, garbage collector may remove the object too late
XComponent xComponent = UnoRuntime.queryInterface(XComponent.class, xSubStream);
if (xComponent == null) {
Error("Can't get XComponent implementation from substream '" + sStreamName + "'!");
return 0;
}
xComponent.dispose();
return 1;
}
public int ChangeStreamPassH(
XStorage xStorage, String sPath, String sOldPass, String sNewPass, boolean bCommit) {
// open substream element
XHierarchicalStorageAccess xHStorage =
(XHierarchicalStorageAccess)
UnoRuntime.queryInterface(XHierarchicalStorageAccess.class, xStorage);
if (xHStorage == null) {
Error("The storage does not support hierarchical access!");
return 0;
}
XStream xSubStream = null;
try {
Object oSubStream =
xHStorage.openEncryptedStreamElementByHierarchicalName(
sPath, ElementModes.WRITE, sOldPass);
xSubStream = (XStream) UnoRuntime.queryInterface(XStream.class, oSubStream);
if (xSubStream == null) {
Error("Can't open encrypted substream '" + sPath + "'!");
return 0;
}
} catch (Exception e) {
Error("Can't open encrypted substream '" + sPath + "', exception : " + e + "!");
return 0;
}
// change the password for the stream
XEncryptionProtectedSource xStreamEncryption =
(XEncryptionProtectedSource)
UnoRuntime.queryInterface(XEncryptionProtectedSource.class, xSubStream);
if (xStreamEncryption == null) {
Message(
"Optional interface XEncryptionProtectedSource is not implemented, feature can not be tested!");
return -1;
}
try {
xStreamEncryption.setEncryptionPassword(sNewPass);
} catch (Exception e) {
Error("Can't change encryption key of the substream '" + sPath + "', exception:" + e);
return 0;
}
XTransactedObject xTransact =
(XTransactedObject) UnoRuntime.queryInterface(XTransactedObject.class, xSubStream);
if (xTransact == null) {
Error("Substream '" + sPath + "', stream opened for writing must be transacted!");
return 0;
}
if (bCommit) {
try {
xTransact.commit();
} catch (Exception e) {
Error(
"Can't commit storage after substream '" + sPath + "' change, exception : " + e + "!");
return 0;
}
}
// free the stream resources, garbage collector may remove the object too late
if (!disposeStream(xSubStream, sPath)) return 0;
return 1;
}