javaextensions/centralrepository/javasrc/com/nokia/mj/impl/cenrep/CentralRepositoryImpl.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/javaextensions/centralrepository/javasrc/com/nokia/mj/impl/cenrep/CentralRepositoryImpl.java Thu Sep 02 13:22:59 2010 +0300
@@ -0,0 +1,354 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+package com.nokia.mj.impl.cenrep;
+
+import com.nokia.mid.cenrep.CentralRepository;
+import com.nokia.mid.cenrep.CentralRepositoryException;
+import com.nokia.mj.impl.gcf.utils.NativeError;
+import com.nokia.mj.impl.rt.support.ApplicationInfo;
+import com.nokia.mj.impl.utils.Logger;
+import com.nokia.mj.impl.rt.support.Finalizer;
+import com.nokia.mj.impl.rt.support.Jvm;
+
+/**
+ * CentralRepositoryImpl implements the functionality specified in
+ * com.nokia.mid.cenrep.CentralRepository class.
+ */
+public class CentralRepositoryImpl extends CentralRepository
+{
+
+ static
+ {
+ try
+ {
+ Jvm.loadSystemLibrary("javacentrep");
+ }
+ catch (Exception e)
+ {
+ Logger.ELOG(Logger.EJavaCentrep,
+ "Unable to load javacentrep dll.");
+ }
+ }
+
+ private static final int INITIAL = 0;
+
+ private static final int OPEN = 1;
+
+ private static final int CLOSED = 2;
+
+ /*
+ * Central Repository API Function server.
+ */
+ private int iFunctionSourceHandle;
+
+ /**
+ * Handle to the native side peer object.
+ */
+ private int iCenrepHandle = 0;
+
+ /**
+ * Repository ID
+ */
+ private String iRepositoryId = null;
+
+ private Finalizer iFinalizer;
+
+ private int iState;
+
+ /**
+ * Hidden default constructor.
+ */
+ private CentralRepositoryImpl()
+ {
+ }
+
+ /**
+ * Hidden constructor.
+ *
+ * @param repositoryId it is platform specific and in S60 it is
+ * Symbian Central Repository UID.
+ */
+ private CentralRepositoryImpl(String repositoryId)
+ throws CentralRepositoryException
+ {
+ checkAccess();
+ iState = INITIAL;
+ int cenrepUid = CentralRepositoryUid.getIntValue(repositoryId);
+ this.iRepositoryId = repositoryId;
+ iFinalizer = registerFinalize();
+
+ iFunctionSourceHandle = _createFunctionSource();
+ iCenrepHandle = _createNativePeer(iFunctionSourceHandle, cenrepUid);
+ iState = OPEN;
+ }
+
+ /**
+ * See class CentralRepository for comments.
+ */
+ static public CentralRepository open(String repositoryId)
+ throws CentralRepositoryException
+ {
+ return new CentralRepositoryImpl(repositoryId);
+ }
+
+ /**
+ * See class CentralRepository for comments.
+ */
+ public void close() throws CentralRepositoryException
+ {
+ synchronized (this)
+ {
+
+ if (iState != CLOSED)
+ {
+ iState = CLOSED;
+ _close(iFunctionSourceHandle, iCenrepHandle);
+ _dispose(iFunctionSourceHandle, iCenrepHandle);
+ }
+ iRepositoryId = null;
+ }
+ }
+
+ /**
+ * See class CentralRepository for comments.
+ */
+ public String getString(String key)
+ throws CentralRepositoryException
+ {
+ synchronized (this)
+ {
+
+ if (iState == CLOSED)
+ {
+ throw new CentralRepositoryException("Connection Already Closed");
+ }
+ long cenrepKey = CentralRepositoryKey.getLongValue(key);
+ String value = _getString(iFunctionSourceHandle, iCenrepHandle, cenrepKey);
+ return value;
+ }
+ }
+
+ /**
+ * See class CentralRepository for comments.
+ */
+ public int getInt(String key)
+ throws CentralRepositoryException
+ {
+ synchronized (this)
+ {
+
+ if (iState == CLOSED)
+ {
+ throw new CentralRepositoryException("Connection Already Closed");
+ }
+ long cenrepKey = CentralRepositoryKey.getLongValue(key);
+ int res = _getInt(iFunctionSourceHandle, iCenrepHandle, cenrepKey);
+ return res;
+ }
+ }
+
+ /**
+ * See class CentralRepository for comments.
+ */
+ public void setString(String key, String value)
+ throws CentralRepositoryException
+ {
+ synchronized (this)
+ {
+
+ if (iState == CLOSED)
+ {
+ throw new CentralRepositoryException("Connection Already Closed");
+ }
+ long cenrepKey = CentralRepositoryKey.getLongValue(key);
+ if (value == null)
+ {
+ throw new CentralRepositoryException("Value is null");
+ }
+ _setString(iFunctionSourceHandle, iCenrepHandle, cenrepKey, value);
+ }
+ }
+
+ /**
+ * See class CentralRepository for comments.
+ */
+ public void setInt(String key, int value)
+ throws CentralRepositoryException
+ {
+ synchronized (this)
+ {
+
+ if (iState == CLOSED)
+ {
+ throw new CentralRepositoryException("Connection Already Closed");
+ }
+ long cenrepKey = CentralRepositoryKey.getLongValue(key);
+ _setInt(iFunctionSourceHandle, iCenrepHandle, cenrepKey, value);
+ }
+ }
+
+ /**
+ * Registers with Finalizer to call a method when the object gets collected
+ * by GC
+ *
+ * @return Finalizer object that will be notified when GC happens
+ */
+ private Finalizer registerFinalize()
+ {
+ return new Finalizer()
+ {
+ public void finalizeImpl()
+ {
+ registeredFinalize();
+ }
+ };
+ }
+
+ /**
+ * Called when the object is finalized by the garbage collector.
+ */
+ final void registeredFinalize()
+ {
+ try
+ {
+ close();
+ }
+ catch (CentralRepositoryException e)
+ {
+ // Ignore
+ }
+ }
+
+ /**
+ * Creates a native side function source.
+ *
+ * @return handle to the native function source.
+ */
+ private native int _createFunctionSource();
+
+ /**
+ * Create native side peer of this Java class. It opens a repository.
+ *
+ * @param FunctionSource Handle handle to the native function source.
+ * @param arepositoryId is platform specific and in S60 it is
+ * Symbian Central Repository UID.
+ * @return handle to the native side peer.
+ * @return Symbian OS error code, if openning fails.
+ */
+ private native int _createNativePeer(
+ int aFunctionSourceHandle,
+ int repositoryId);
+
+ /**
+ * Closes a repository.
+ *
+ * @param FunctionSourceHandle handle to the native function source.
+ * @param cenrepHandle handle to the native side peer object.
+ * @return Symbian OS error code, if closing fails.
+ */
+ private native void _close(int aFunctionSourceHandle, int cenrepHandle);
+
+ /**
+ * Dispose native side resources owned by this class.
+ *
+ * @param FunctionSourceHandle handle to the native function source.
+ * @param cenrepHandle handle to the native side peer object.
+ */
+ private native void _dispose(int aFunctionSourceHandle, int cenrepHandle);
+
+ /**
+ * Returns string stored in given key.
+ *
+ * @param FunctionSourceHandle handle to the native function source.
+ * @param cenrepHandle handle to the native side peer object.
+ * @param key the key of setting to be read.
+ * @param value returns the value of the setting if it is the string.
+ * @return Symbian OS error code, if key is not found or
+ * stored data is not string.
+ */
+ private native String _getString(
+ int aFunctionSourceHandle,
+ int cenrepHandle,
+ long key);
+
+ /**
+ * Returns integer stored in given key.
+ *
+ * @param FunctionSourceHandle handle to the native function source.
+ * @param cenrepHandle handle to the native side peer object.
+ * @param key the key of setting to be read.
+ * @param value the value of the setting if it is an integer.
+ * @return Symbian OS error code, if key is not found or
+ * stored data is not integer.
+ */
+ private native int _getInt(
+ int aFunctionSourceHandle,
+ int cenrepHandle,
+ long key);
+
+ /** Stores string value in key.
+ *
+ * @param FunctionSourceHandle handle to the native function source.
+ * @param cenrepHandle handle to the native side peer object.
+ * @param key the key of setting to be stored.
+ * @param value the string value of the setting to be stored.
+ * @return Symbian OS error code, if string value cannot be stored.
+ */
+ private native void _setString(
+ int aFunctionSourceHandle,
+ int cenrepHandle,
+ long key,
+ String value);
+
+ /** Stores integer value in key.
+ *
+ * @param FunctionSourceHandle handle to the native function source.
+ * @param cenrepHandle handle to the native side peer object.
+ * @param key the key of setting to be stored.
+ * @param value the integer value of the setting to be stored.
+ * @return Symbian OS error code, if integer value cannot be stored.
+ */
+ private native void _setInt(
+ int aFunctionSourceHandle,
+ int cenrepHandle,
+ long key,
+ int value);
+
+
+ /**
+ * Checks if MIDlet is permited to access the central repository.
+ * Only MIDlets in manufacturer or operator domain are allowed.
+ * @throws CentralRepositoryException if MIDlet is not in manufacturer or
+ * operator domain.
+ */
+ private void checkAccess()
+ throws SecurityException
+ {
+
+ ApplicationInfo appInfo = ApplicationInfo.getInstance();
+ String protectionDomain = appInfo.getProtectionDomain();
+
+ if (protectionDomain.equals(ApplicationInfo.MANUFACTURER_DOMAIN) == false &&
+ protectionDomain.equals(ApplicationInfo.OPERATOR_DOMAIN) == false)
+ {
+ Logger.ELOG(Logger.EJavaCentrep, "Protection Domain: " + protectionDomain +
+ ", Access denied");
+ throw new SecurityException("Access denied!");
+ }
+ }
+}