Hi,

Parse exception is missing its serialVersionUID

Gary

On Sat, Jul 22, 2017 at 1:48 PM, <[email protected]> wrote:

> Repository: logging-log4j2
> Updated Branches:
>   refs/heads/LOG4J2-1986 [created] c4814a873
>
>
> LOG4J2-1986 Public API for parsing the output from 
> JsonLayout/XmlLayout/YamlLayout
> into a LogEvent
>
>
> Project: http://git-wip-us.apache.org/repos/asf/logging-log4j2/repo
> Commit: http://git-wip-us.apache.org/repos/asf/logging-log4j2/
> commit/c4814a87
> Tree: http://git-wip-us.apache.org/repos/asf/logging-log4j2/tree/c4814a87
> Diff: http://git-wip-us.apache.org/repos/asf/logging-log4j2/diff/c4814a87
>
> Branch: refs/heads/LOG4J2-1986
> Commit: c4814a8730eb24bdf89cf23c89b4a957b8418ba5
> Parents: eea873e
> Author: Mikael Ståldal <[email protected]>
> Authored: Sat Jul 22 22:48:24 2017 +0200
> Committer: Mikael Ståldal <[email protected]>
> Committed: Sat Jul 22 22:48:24 2017 +0200
>
> ----------------------------------------------------------------------
>  .../parser/AbstractJacksonLogEventParser.java   |  85 +++++++++++++++
>  .../log4j/core/parser/JsonLogEventParser.java   |  32 ++++++
>  .../log4j/core/parser/LogEventParser.java       |  64 ++++++++++++
>  .../log4j/core/parser/ParseException.java       |  34 ++++++
>  .../log4j/core/parser/TextLogEventParser.java   |  50 +++++++++
>  .../log4j/core/parser/XmlLogEventParser.java    |  32 ++++++
>  .../log4j/core/parser/YamlLogEventParser.java   |  33 ++++++
>  .../logging/log4j/core/parser/package-info.java |  20 ++++
>  .../core/parser/JsonLogEventParserTest.java     | 103 +++++++++++++++++++
>  src/changes/changes.xml                         |   3 +
>  10 files changed, 456 insertions(+)
> ----------------------------------------------------------------------
>
>
> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
> c4814a87/log4j-core/src/main/java/org/apache/logging/log4j/core/parser/
> AbstractJacksonLogEventParser.java
> ----------------------------------------------------------------------
> diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/
> parser/AbstractJacksonLogEventParser.java b/log4j-core/src/main/java/
> org/apache/logging/log4j/core/parser/AbstractJacksonLogEventParser.java
> new file mode 100644
> index 0000000..8b00e57
> --- /dev/null
> +++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/parser/
> AbstractJacksonLogEventParser.java
> @@ -0,0 +1,85 @@
> +/*
> + * 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.logging.log4j.core.parser;
> +
> +import com.fasterxml.jackson.core.JsonProcessingException;
> +import com.fasterxml.jackson.databind.ObjectReader;
> +import org.apache.logging.log4j.core.LogEvent;
> +import org.apache.logging.log4j.core.impl.Log4jLogEvent;
> +import org.apache.logging.log4j.core.jackson.Log4jJsonObjectMapper;
> +
> +import java.io.IOException;
> +import java.io.InputStream;
> +import java.io.Reader;
> +
> +class AbstractJacksonLogEventParser implements TextLogEventParser {
> +    final ObjectReader objectReader;
> +
> +    AbstractJacksonLogEventParser(ObjectReader objectReader) {
> +        this.objectReader = objectReader;
> +    }
> +
> +    @Override
> +    public LogEvent parseFrom(InputStream input) throws IOException,
> ParseException {
> +        try {
> +            return objectReader.readValue(input);
> +        } catch (JsonProcessingException e) {
> +            throw new ParseException(e);
> +        }
> +    }
> +
> +    @Override
> +    public LogEvent parseFrom(Reader input) throws IOException,
> ParseException {
> +        try {
> +            return objectReader.readValue(input);
> +        } catch (JsonProcessingException e) {
> +            throw new ParseException(e);
> +        }
> +    }
> +
> +    @Override
> +    public LogEvent parseFrom(String input) throws ParseException {
> +        try {
> +            return objectReader.readValue(input);
> +        } catch (JsonProcessingException e) {
> +            throw new ParseException(e);
> +        } catch (IOException e) {
> +            throw new RuntimeException(e);
> +        }
> +    }
> +
> +    @Override
> +    public LogEvent parseFrom(byte[] input) throws ParseException {
> +        try {
> +            return objectReader.readValue(input);
> +        } catch (JsonProcessingException e) {
> +            throw new ParseException(e);
> +        } catch (IOException e) {
> +            throw new RuntimeException(e);
> +        }
> +    }
> +
> +    @Override
> +    public LogEvent parseFrom(byte[] input, int offset, int length)
> throws ParseException {
> +        try {
> +            return objectReader.readValue(input, offset, length);
> +        } catch (JsonProcessingException e) {
> +            throw new ParseException(e);
> +        } catch (IOException e) {
> +            throw new RuntimeException(e);
> +        }
> +    }
> +}
>
> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
> c4814a87/log4j-core/src/main/java/org/apache/logging/log4j/core/parser/
> JsonLogEventParser.java
> ----------------------------------------------------------------------
> diff --git 
> a/log4j-core/src/main/java/org/apache/logging/log4j/core/parser/JsonLogEventParser.java
> b/log4j-core/src/main/java/org/apache/logging/log4j/core/
> parser/JsonLogEventParser.java
> new file mode 100644
> index 0000000..218de0b
> --- /dev/null
> +++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/
> parser/JsonLogEventParser.java
> @@ -0,0 +1,32 @@
> +/*
> + * 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.logging.log4j.core.parser;
> +
> +import org.apache.logging.log4j.core.LogEvent;
> +import org.apache.logging.log4j.core.impl.Log4jLogEvent;
> +import org.apache.logging.log4j.core.jackson.Log4jJsonObjectMapper;
> +
> +/**
> + * Parse the output from JsonLayout layout into instances of {@link
> LogEvent}.
> + */
> +public class JsonLogEventParser extends AbstractJacksonLogEventParser {
> +
> +    public JsonLogEventParser() {
> +        super(new Log4jJsonObjectMapper().readerFor(Log4jLogEvent.class)
> );
> +    }
> +
> +}
>
> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
> c4814a87/log4j-core/src/main/java/org/apache/logging/log4j/
> core/parser/LogEventParser.java
> ----------------------------------------------------------------------
> diff --git 
> a/log4j-core/src/main/java/org/apache/logging/log4j/core/parser/LogEventParser.java
> b/log4j-core/src/main/java/org/apache/logging/log4j/core/
> parser/LogEventParser.java
> new file mode 100644
> index 0000000..88e84fb
> --- /dev/null
> +++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/
> parser/LogEventParser.java
> @@ -0,0 +1,64 @@
> +/*
> + * 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.logging.log4j.core.parser;
> +
> +import org.apache.logging.log4j.core.LogEvent;
> +
> +import java.io.IOException;
> +import java.io.InputStream;
> +
> +/**
> + * Parse the output from a layout into instances of {@link LogEvent}.
> + */
> +public interface LogEventParser {
> +
> +    /**
> +     * Parse from an InputStream. The input stream may contain multiple
> log events.
> +     * This method will read one log event and leave the stream open and
> positioned to read the
> +     * next log event.
> +     *
> +     * @param input  the input stream
> +     *
> +     * @return the parsed LogEvent, or {@literal null} of end of input is
> reached.
> +     * @throws IOException if unable to read from the input
> +     * @throws ParseException if the input is malformed and cannot be
> parsed as a LogEvent
> +     */
> +    LogEvent parseFrom(InputStream input) throws IOException,
> ParseException;
> +
> +    /**
> +     * Parse from a byte array, which is expected to contain exactly one
> log event.
> +     *
> +     * @param input  the byte array
> +     *
> +     * @return the parsed LogEvent, never {@literal null}.
> +     * @throws ParseException if the input is malformed and cannot be
> parsed as a LogEvent
> +     */
> +    LogEvent parseFrom(byte[] input) throws ParseException;
> +
> +    /**
> +     * Parse from a specified range of a byte array. The specified range
> is expected to contain
> +     * exactly one log event.
> +     *
> +     * @param input  the byte array
> +     * @param offset  the initial offset
> +     * @param length  the length
> +     *
> +     * @return the parsed LogEvent, never {@literal null}.
> +     * @throws ParseException if the input is malformed and cannot be
> parsed as a LogEvent
> +     */
> +    LogEvent parseFrom(byte[] input, int offset, int length) throws
> ParseException;
> +}
>
> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
> c4814a87/log4j-core/src/main/java/org/apache/logging/log4j/
> core/parser/ParseException.java
> ----------------------------------------------------------------------
> diff --git 
> a/log4j-core/src/main/java/org/apache/logging/log4j/core/parser/ParseException.java
> b/log4j-core/src/main/java/org/apache/logging/log4j/core/
> parser/ParseException.java
> new file mode 100644
> index 0000000..8f5fa54
> --- /dev/null
> +++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/
> parser/ParseException.java
> @@ -0,0 +1,34 @@
> +/*
> + * 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.logging.log4j.core.parser;
> +
> +/**
> + * Thrown when the input cannot be parsed.
> + */
> +public class ParseException extends Exception {
> +    public ParseException(String message) {
> +        super(message);
> +    }
> +
> +    public ParseException(String message, Throwable cause) {
> +        super(message, cause);
> +    }
> +
> +    public ParseException(Throwable cause) {
> +        super(cause);
> +    }
> +}
>
> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
> c4814a87/log4j-core/src/main/java/org/apache/logging/log4j/core/parser/
> TextLogEventParser.java
> ----------------------------------------------------------------------
> diff --git 
> a/log4j-core/src/main/java/org/apache/logging/log4j/core/parser/TextLogEventParser.java
> b/log4j-core/src/main/java/org/apache/logging/log4j/core/
> parser/TextLogEventParser.java
> new file mode 100644
> index 0000000..3428024
> --- /dev/null
> +++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/
> parser/TextLogEventParser.java
> @@ -0,0 +1,50 @@
> +/*
> + * 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.logging.log4j.core.parser;
> +
> +import org.apache.logging.log4j.core.LogEvent;
> +
> +import java.io.IOException;
> +import java.io.Reader;
> +
> +/**
> + * Parse the output from a text based layout into instances of {@link
> LogEvent}.
> + */
> +public interface TextLogEventParser extends LogEventParser {
> +    /**
> +     * Parse from a Reader. The reader may contain multiple log events.
> +     * This method will read one log event and leave the reader open and
> positioned to read the
> +     * next log event.
> +     *
> +     * @param input  the reader
> +     *
> +     * @return the parsed LogEvent, or {@literal null} of end of input is
> reached.
> +     * @throws IOException if unable to read from the input
> +     * @throws ParseException if the input is malformed and cannot be
> parsed as a LogEvent
> +     */
> +    LogEvent parseFrom(Reader input) throws IOException, ParseException;
> +
> +    /**
> +     * Parse from a String, which is expected to contain exactly one log
> event.
> +     *
> +     * @param input  the string
> +     *
> +     * @return the parsed LogEvent
> +     * @throws ParseException if the input is malformed and cannot be
> parsed as a LogEvent
> +     */
> +    LogEvent parseFrom(String input) throws ParseException;
> +}
>
> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
> c4814a87/log4j-core/src/main/java/org/apache/logging/log4j/
> core/parser/XmlLogEventParser.java
> ----------------------------------------------------------------------
> diff --git 
> a/log4j-core/src/main/java/org/apache/logging/log4j/core/parser/XmlLogEventParser.java
> b/log4j-core/src/main/java/org/apache/logging/log4j/core/
> parser/XmlLogEventParser.java
> new file mode 100644
> index 0000000..597e70b
> --- /dev/null
> +++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/
> parser/XmlLogEventParser.java
> @@ -0,0 +1,32 @@
> +/*
> + * 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.logging.log4j.core.parser;
> +
> +import org.apache.logging.log4j.core.LogEvent;
> +import org.apache.logging.log4j.core.impl.Log4jLogEvent;
> +import org.apache.logging.log4j.core.jackson.Log4jXmlObjectMapper;
> +
> +/**
> + * Parse the output from XmlLayout layout into instances of {@link
> LogEvent}.
> + */
> +public class XmlLogEventParser extends AbstractJacksonLogEventParser {
> +
> +    public XmlLogEventParser() {
> +        super(new Log4jXmlObjectMapper().readerFor(Log4jLogEvent.class));
> +    }
> +
> +}
>
> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
> c4814a87/log4j-core/src/main/java/org/apache/logging/log4j/core/parser/
> YamlLogEventParser.java
> ----------------------------------------------------------------------
> diff --git 
> a/log4j-core/src/main/java/org/apache/logging/log4j/core/parser/YamlLogEventParser.java
> b/log4j-core/src/main/java/org/apache/logging/log4j/core/
> parser/YamlLogEventParser.java
> new file mode 100644
> index 0000000..59b3463
> --- /dev/null
> +++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/
> parser/YamlLogEventParser.java
> @@ -0,0 +1,33 @@
> +/*
> + * 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.logging.log4j.core.parser;
> +
> +import org.apache.logging.log4j.core.LogEvent;
> +import org.apache.logging.log4j.core.impl.Log4jLogEvent;
> +import org.apache.logging.log4j.core.jackson.Log4jXmlObjectMapper;
> +import org.apache.logging.log4j.core.jackson.Log4jYamlObjectMapper;
> +
> +/**
> + * Parse the output from YamlLayout layout into instances of {@link
> LogEvent}.
> + */
> +public class YamlLogEventParser extends AbstractJacksonLogEventParser {
> +
> +    public YamlLogEventParser() {
> +        super(new Log4jYamlObjectMapper().readerFor(Log4jLogEvent.class)
> );
> +    }
> +
> +}
>
> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
> c4814a87/log4j-core/src/main/java/org/apache/logging/log4j/
> core/parser/package-info.java
> ----------------------------------------------------------------------
> diff --git 
> a/log4j-core/src/main/java/org/apache/logging/log4j/core/parser/package-info.java
> b/log4j-core/src/main/java/org/apache/logging/log4j/core/
> parser/package-info.java
> new file mode 100644
> index 0000000..3506570
> --- /dev/null
> +++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/
> parser/package-info.java
> @@ -0,0 +1,20 @@
> +/*
> + * 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.
> + */
> +/**
> + * Parsers for the output of various layouts.
> + */
> +package org.apache.logging.log4j.core.parser;
>
> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
> c4814a87/log4j-core/src/test/java/org/apache/logging/log4j/core/parser/
> JsonLogEventParserTest.java
> ----------------------------------------------------------------------
> diff --git a/log4j-core/src/test/java/org/apache/logging/log4j/core/
> parser/JsonLogEventParserTest.java b/log4j-core/src/test/java/
> org/apache/logging/log4j/core/parser/JsonLogEventParserTest.java
> new file mode 100644
> index 0000000..5684602
> --- /dev/null
> +++ b/log4j-core/src/test/java/org/apache/logging/log4j/core/
> parser/JsonLogEventParserTest.java
> @@ -0,0 +1,103 @@
> +/*
> + * 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.logging.log4j.core.parser;
> +
> +import org.apache.logging.log4j.core.LogEvent;
> +import org.junit.Before;
> +import org.junit.Test;
> +
> +import static org.junit.Assert.assertEquals;
> +import static org.junit.Assert.assertNotNull;
> +
> +public class JsonLogEventParserTest {
> +
> +    private JsonLogEventParser parser;
> +
> +    private static final String JSON = "{\n" +
> +            "  \"timeMillis\" : 1493121664118,\n" +
> +            "  \"thread\" : \"main\",\n" +
> +            "  \"level\" : \"INFO\",\n" +
> +            "  \"loggerName\" : \"HelloWorld\",\n" +
> +            "  \"marker\" : {\n" +
> +            "    \"name\" : \"child\",\n" +
> +            "    \"parents\" : [ {\n" +
> +            "      \"name\" : \"parent\",\n" +
> +            "      \"parents\" : [ {\n" +
> +            "        \"name\" : \"grandparent\"\n" +
> +            "      } ]\n" +
> +            "    } ]\n" +
> +            "  },\n" +
> +            "  \"message\" : \"Hello, world!\",\n" +
> +            "  \"thrown\" : {\n" +
> +            "    \"commonElementCount\" : 0,\n" +
> +            "    \"name\" : \"java.lang.RuntimeException\",\n" +
> +            "    \"extendedStackTrace\" : [ {\n" +
> +            "      \"class\" : \"logtest.Main\",\n" +
> +            "      \"method\" : \"main\",\n" +
> +            "      \"file\" : \"Main.java\",\n" +
> +            "      \"line\" : 29,\n" +
> +            "      \"exact\" : true,\n" +
> +            "      \"location\" : \"classes/\",\n" +
> +            "      \"version\" : \"?\"\n" +
> +            "    } ]\n" +
> +            "  },\n" +
> +            "  \"contextStack\" : [ \"one\", \"two\" ],\n" +
> +            "  \"endOfBatch\" : false,\n" +
> +            "  \"loggerFqcn\" : 
> \"org.apache.logging.log4j.spi.AbstractLogger\",\n"
> +
> +            "  \"contextMap\" : {\n" +
> +            "    \"bar\" : \"BAR\",\n" +
> +            "    \"foo\" : \"FOO\"\n" +
> +            "  },\n" +
> +            "  \"threadId\" : 1,\n" +
> +            "  \"threadPriority\" : 5,\n" +
> +            "  \"source\" : {\n" +
> +            "    \"class\" : \"logtest.Main\",\n" +
> +            "    \"method\" : \"main\",\n" +
> +            "    \"file\" : \"Main.java\",\n" +
> +            "    \"line\" : 29\n" +
> +            "  }\n" +
> +            "}";
> +
> +    @Before
> +    public void setup() {
> +        parser = new JsonLogEventParser();
> +    }
> +
> +    @Test
> +    public void testString() throws ParseException {
> +        LogEvent logEvent = parser.parseFrom(JSON);
> +        assertNotNull(logEvent);
> +        assertEquals("HelloWorld", logEvent.getLoggerName());
> +        // TODO assert more here
> +    }
> +
> +    @Test(expected = ParseException.class)
> +    public void testStringEmpty() throws ParseException {
> +        parser.parseFrom("");
> +    }
> +
> +    @Test(expected = ParseException.class)
> +    public void testStringInvalidJson() throws ParseException {
> +        parser.parseFrom("foobar");
> +    }
> +
> +    @Test(expected = ParseException.class)
> +    public void testStringInvalidProperty() throws ParseException {
> +        parser.parseFrom("{\"foo\":\"bar\"}");
> +    }
> +
> +}
>
> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
> c4814a87/src/changes/changes.xml
> ----------------------------------------------------------------------
> diff --git a/src/changes/changes.xml b/src/changes/changes.xml
> index 074e31c..522f49b 100644
> --- a/src/changes/changes.xml
> +++ b/src/changes/changes.xml
> @@ -31,6 +31,9 @@
>           - "remove" - Removed
>      -->
>      <release version="2.9.0" date="2017-MM-DD" description="GA Release
> 2.9.0">
> +      <action issue="LOG4J2-1986" dev="mikes" type="add">
> +        Public API for parsing the output from 
> JsonLayout/XmlLayout/YamlLayout
> into a LogEvent.
> +      </action>
>        <action issue="LOG4J2-1984" dev="rgoers" type="update">
>          Allow maxLength of StructuredData to be specified by the user.
>        </action>
>
>

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