Update package name to org.apache.skywalking

Author: wu-sheng

java.header renamed to CHECKSTYLE_HEAD

@@ -64,7 +64,7 @@
         <repository>
             <id>bintray-wu-sheng-sky-walking-repository</id>
             <name>wu-sheng-sky-walking-repository</name>
-            <url>https://api.bintray.com/maven/wu-sheng/skywalking/org.skywalking.apm-toolkit-log4j-1.x/;publish=1
+            <url>https://api.bintray.com/maven/wu-sheng/skywalking/org.apache.skywalking.apm-toolkit-log4j-1.x/;publish=1
             </url>
         </repository>
     </distributionManagement>

ApacheCopyright renamed to HEADER

@@ -0,0 +1,54 @@
+/*
+ * 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.
+ *
+ */
+
+/*
+ * 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.skywalking.apm.toolkit.log.log4j.v1.x;
+
+import org.apache.log4j.helpers.PatternConverter;
+import org.apache.log4j.spi.LoggingEvent;
+
+/**
+ * Default implementation outputs "TID: N/A".
+ * But, if in sky-walking agent active mode, output will become the real ids.
+ * <p>
+ * Created by wusheng on 2016/12/7.
+ */
+
+public class TraceIdPatternConverter extends PatternConverter {
+    @Override
+    protected String convert(LoggingEvent loggingEvent) {
+        return "TID: N/A";
+    }
+}

apm-application-toolkit/apm-toolkit-log4j-1.x/pom.xml

@@ -0,0 +1,53 @@
+/*
+ * 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.
+ *
+ */
+
+/*
+ * 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.skywalking.apm.toolkit.log.log4j.v1.x;
+
+import org.apache.log4j.PatternLayout;
+import org.apache.log4j.helpers.PatternParser;
+
+/**
+ * The log4j extend pattern. By using this pattern, if sky-walking agent is also active, {@link
+ * PatternParser#finalizeConverter(char)} method will be override dynamic. <p>
+ *
+ * @author wusheng
+ */
+public class TraceIdPatternLayout extends PatternLayout {
+    @Override
+    protected PatternParser createPatternParser(String pattern) {
+        return new TraceIdPatternParser(pattern);
+    }
+}

apm-application-toolkit/apm-toolkit-log4j-1.x/src/main/java/org/apache/skywalking/apm/toolkit/log/log4j/v1/x/TraceIdPatternConverter.java

@@ -0,0 +1,59 @@
+/*
+ * 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.
+ *
+ */
+
+/*
+ * 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.skywalking.apm.toolkit.log.log4j.v1.x;
+
+import org.apache.log4j.helpers.PatternParser;
+
+/**
+ * Base on '%T', use {@link TraceIdPatternConverter} to convert the '%t' to traceId.
+ * <p>
+ * Created by wusheng on 2016/12/7.
+ */
+public class TraceIdPatternParser extends PatternParser {
+    public TraceIdPatternParser(String pattern) {
+        super(pattern);
+    }
+
+    @Override
+    protected void finalizeConverter(char c) {
+        if ('T' == c) {
+            addConverter(new TraceIdPatternConverter());
+        } else {
+            super.finalizeConverter(c);
+        }
+    }
+}

apm-application-toolkit/apm-toolkit-log4j-1.x/src/main/java/org/apache/skywalking/apm/toolkit/log/log4j/v1/x/TraceIdPatternLayout.java

@@ -64,7 +64,7 @@
         <repository>
             <id>bintray-wu-sheng-sky-walking-repository</id>
             <name>wu-sheng-sky-walking-repository</name>
-            <url>https://api.bintray.com/maven/wu-sheng/skywalking/org.skywalking.apm-toolkit-log4j-2.x/;publish=1
+            <url>https://api.bintray.com/maven/wu-sheng/skywalking/org.apache.skywalking.apm-toolkit-log4j-2.x/;publish=1
             </url>
         </repository>
     </distributionManagement>

apm-application-toolkit/apm-toolkit-log4j-1.x/src/main/java/org/apache/skywalking/apm/toolkit/log/log4j/v1/x/TraceIdPatternParser.java

@@ -0,0 +1,52 @@
+/*
+ * 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.
+ *
+ */
+
+/*
+ * 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.skywalking.apm.toolkit.log.log4j.v2.x;
+
+/**
+ * Created by wusheng on 2016/12/11.
+ */
+public class Log4j2OutputAppender {
+    /**
+     * As default, append "TID: N/A" to the output message,
+     * if sky-walking agent in active mode, append the real traceId in the recent Context, if existed, or empty String.
+     *
+     * @param toAppendTo origin output message.
+     */
+    public static void append(StringBuilder toAppendTo) {
+        toAppendTo.append("TID: N/A");
+    }
+}