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From thom...@apache.org
Subject svn commit: r1466464 - /jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/util/LogWrapper.java
Date Wed, 10 Apr 2013 13:00:43 GMT
Author: thomasm
Date: Wed Apr 10 13:00:42 2013
New Revision: 1466464

URL: http://svn.apache.org/r1466464
Log:
OAK-752 Remove deprecated code and code in "old" packages (moved from oak-core)

Added:
    jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/util/LogWrapper.java

Added: jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/util/LogWrapper.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/util/LogWrapper.java?rev=1466464&view=auto
==============================================================================
--- jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/util/LogWrapper.java
(added)
+++ jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/util/LogWrapper.java
Wed Apr 10 13:00:42 2013
@@ -0,0 +1,292 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jackrabbit.mongomk.util;
+
+import java.io.InputStream;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.apache.jackrabbit.mk.api.MicroKernel;
+import org.apache.jackrabbit.mk.api.MicroKernelException;
+import org.apache.jackrabbit.mk.json.JsopBuilder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * A logging microkernel implementation.
+ */
+public class LogWrapper implements MicroKernel {
+    
+    private static final Logger LOG = LoggerFactory.getLogger(LogWrapper.class);
+
+    private static final boolean DEBUG = Boolean.parseBoolean(System.getProperty("mk.debug",
"true"));
+    private static final AtomicInteger NEXT_ID = new AtomicInteger();
+
+    private final MicroKernel mk;
+    private final int id = NEXT_ID.getAndIncrement();
+
+    public LogWrapper(MicroKernel mk) {
+        this.mk = mk;
+    }
+
+    @Override
+    public String commit(String path, String jsonDiff, String revisionId, String message)
{
+        try {
+            logMethod("commit", path, jsonDiff, revisionId, message);
+            String result = mk.commit(path, jsonDiff, revisionId, message);
+            logResult(result);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    public void dispose() {
+        // do nothing
+    }
+
+    @Override
+    public String getHeadRevision() {
+        try {
+            logMethod("getHeadRevision");
+            String result = mk.getHeadRevision();
+            logResult(result);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String getJournal(String fromRevisionId, String toRevisionId, String path) {
+        try {
+            logMethod("getJournal", fromRevisionId, toRevisionId);
+            String result = mk.getJournal(fromRevisionId, toRevisionId, path);
+            logResult(result);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String diff(String fromRevisionId, String toRevisionId, String path, int depth)
{
+        try {
+            logMethod("diff", fromRevisionId, toRevisionId, path);
+            String result = mk.diff(fromRevisionId, toRevisionId, path, depth);
+            logResult(result);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public long getLength(String blobId) {
+        try {
+            logMethod("getLength", blobId);
+            long result = mk.getLength(blobId);
+            logResult(Long.toString(result));
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String getNodes(String path, String revisionId, int depth, long offset, int maxChildNodes,
String filter) {
+        try {
+            logMethod("getNodes", path, revisionId, depth, offset, maxChildNodes, filter);
+            String result = mk.getNodes(path, revisionId, depth, offset, maxChildNodes, filter);
+            logResult(result);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String getRevisionHistory(long since, int maxEntries, String path) {
+        try {
+            logMethod("getRevisionHistory", since, maxEntries, path);
+            String result = mk.getRevisionHistory(since, maxEntries, path);
+            logResult(result);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public boolean nodeExists(String path, String revisionId) {
+        try {
+            logMethod("nodeExists", path, revisionId);
+            boolean result = mk.nodeExists(path, revisionId);
+            logResult(Boolean.toString(result));
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public long getChildNodeCount(String path, String revisionId) {
+        try {
+            logMethod("getChildNodeCount", path, revisionId);
+            long result = mk.getChildNodeCount(path, revisionId);
+            logResult(Long.toString(result));
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public int read(String blobId, long pos, byte[] buff, int off, int length) {
+        try {
+            logMethod("read", blobId, pos, buff, off, length);
+            int result = mk.read(blobId, pos, buff, off, length);
+            logResult(Integer.toString(result));
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String waitForCommit(String oldHeadRevisionId, long maxWaitMillis) throws InterruptedException
{
+        try {
+            logMethod("waitForCommit", oldHeadRevisionId, maxWaitMillis);
+            String result = mk.waitForCommit(oldHeadRevisionId, maxWaitMillis);
+            logResult(result);
+            return result;
+        } catch (InterruptedException e) {
+            logException(e);
+            throw e;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String write(InputStream in) {
+        try {
+            logMethod("write", in.toString());
+            String result = mk.write(in);
+            logResult(result);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String branch(String trunkRevisionId) {
+        try {
+            logMethod("branch", trunkRevisionId);
+            String result = mk.branch(trunkRevisionId);
+            logResult(result);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String merge(String branchRevisionId, String message) {
+        try {
+            logMethod("merge", branchRevisionId, message);
+            String result = mk.merge(branchRevisionId, message);
+            logResult(result);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String rebase(String branchRevisionId, String newBaseRevisionId) {
+        try {
+            logMethod("rebase", branchRevisionId, newBaseRevisionId);
+            String result = mk.rebase(branchRevisionId, newBaseRevisionId);
+            logResult(result);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    private void logMethod(String methodName, Object... args) {
+        StringBuilder buff = new StringBuilder("mk");
+        buff.append(id).append('.').append(methodName).append('(');
+        for (int i = 0; i < args.length; i++) {
+            if (i > 0) {
+                buff.append(", ");
+            }
+            buff.append(quote(args[i]));
+        }
+        buff.append(");");
+        log(buff.toString());
+    }
+
+    public static String quote(Object o) {
+        if (o == null) {
+            return "null";
+        } else if (o instanceof String) {
+            return JsopBuilder.encode((String) o);
+        }
+        return o.toString();
+    }
+
+    private static RuntimeException convert(Exception e) {
+        if (e instanceof RuntimeException) {
+            return (RuntimeException) e;
+        }
+        log("// unexpected exception type: " + e.getClass().getName());
+        return new MicroKernelException("Unexpected exception: " + e.toString(), e);
+    }
+
+    private static void logException(Exception e) {
+        log("// exception: " + e.toString());
+    }
+
+    private static void logResult(Object result) {
+        log("// " + quote(result));
+    }
+
+    private static void log(String message) {
+        if (DEBUG) {
+            System.out.println(message);
+        }
+        LOG.info(message);
+    }
+
+}



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