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This commit is contained in:
Christian Basler 2017-01-18 17:34:20 +01:00
parent 8d76b41bd8
commit 42ff7c2504
22 changed files with 1384 additions and 0 deletions
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162
.gitignore vendored Normal file
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# Created by https://www.gitignore.io
*.log
### Gradle ###
.gradle
build/
classes/
# Ignore Gradle GUI config
gradle-app.setting
# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
!gradle-wrapper.jar
### Intellij ###
# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm
*.iml
## Directory-based project format:
.idea/
# if you remove the above rule, at least ignore the following:
# User-specific stuff:
# .idea/workspace.xml
# .idea/tasks.xml
# .idea/dictionaries
# Sensitive or high-churn files:
# .idea/dataSources.ids
# .idea/dataSources.xml
# .idea/sqlDataSources.xml
# .idea/dynamic.xml
# .idea/uiDesigner.xml
# Gradle:
# .idea/gradle.xml
# .idea/libraries
# Mongo Explorer plugin:
# .idea/mongoSettings.xml
## File-based project format:
*.ipr
*.iws
## Plugin-specific files:
# IntelliJ
/out/
# mpeltonen/sbt-idea plugin
.idea_modules/
# JIRA plugin
atlassian-ide-plugin.xml
# Crashlytics plugin (for Android Studio and IntelliJ)
com_crashlytics_export_strings.xml
crashlytics.properties
crashlytics-build.properties
### Eclipse ###
*.pydevproject
.metadata
.gradle
bin/
tmp/
*.tmp
*.bak
*.swp
*~.nib
local.properties
.settings/
.loadpath
# Eclipse Core
.project
# External tool builders
.externalToolBuilders/
# Locally stored "Eclipse launch configurations"
*.launch
# CDT-specific
.cproject
# JDT-specific (Eclipse Java Development Tools)
.classpath
# PDT-specific
.buildpath
# sbteclipse plugin
.target
# TeXlipse plugin
.texlipse
### Linux ###
*~
# KDE directory preferences
.directory
# Linux trash folder which might appear on any partition or disk
.Trash-*
### OSX ###
.DS_Store
.AppleDouble
.LSOverride
# Icon must end with two \r
Icon
# Thumbnails
._*
# Files that might appear in the root of a volume
.DocumentRevisions-V100
.fseventsd
.Spotlight-V100
.TemporaryItems
.Trashes
.VolumeIcon.icns
# Directories potentially created on remote AFP share
.AppleDB
.AppleDesktop
Network Trash Folder
Temporary Items
.apdisk
### Windows ###
# Windows image file caches
Thumbs.db
ehthumbs.db
# Folder config file
Desktop.ini
# Recycle Bin used on file shares
$RECYCLE.BIN/
# Windows Installer files
*.cab
*.msi
*.msm
*.msp
# Windows shortcuts
*.lnk

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apply plugin: 'java'
apply plugin: 'maven'
apply plugin: 'signing'
apply plugin: 'jacoco'
apply plugin: 'gitflow-version'
sourceCompatibility = 1.7
group = 'ch.dissem.jabit'
repositories {
mavenCentral()
}
dependencies {
testCompile group: 'junit', name: 'junit', version: '4.11'
}
test {
testLogging {
exceptionFormat = 'full'
}
}
task javadocJar(type: Jar) {
classifier = 'javadoc'
from javadoc
}
task sourcesJar(type: Jar) {
classifier = 'sources'
from sourceSets.main.allSource
}
artifacts {
archives javadocJar, sourcesJar
}
signing {
required { isRelease && project.getProperties().get("signing.keyId")?.length() > 0 }
sign configurations.archives
}
uploadArchives {
repositories {
mavenDeployer {
beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }
repository(url: "https://oss.sonatype.org/service/local/staging/deploy/maven2/") {
authentication(userName: ossrhUsername, password: ossrhPassword)
}
snapshotRepository(url: "https://oss.sonatype.org/content/repositories/snapshots/") {
authentication(userName: ossrhUsername, password: ossrhPassword)
}
pom.project {
name 'msgpack'
packaging 'jar'
url 'https://github.com/Dissem/msgpack'
scm {
connection 'scm:git:https://github.com/Dissem/msgpack.git'
developerConnection 'scm:git:git@github.com:Dissem/msgpack.git'
url 'https://github.com/Dissem/msgpack.git'
}
licenses {
license {
name 'The Apache License, Version 2.0'
url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
}
}
developers {
developer {
name 'Christian Basler'
email 'chrigu.meyer@gmail.com'
}
}
}
}
}
}
jacocoTestReport {
reports {
xml.enabled = true
html.enabled = true
}
}
check.dependsOn jacocoTestReport

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gradle/wrapper/gradle-wrapper.jar vendored Normal file
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gradle/wrapper/gradle-wrapper.properties vendored Normal file
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#Tue Jan 17 07:22:12 CET 2017
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-3.1-all.zip

169
gradlew vendored Executable file
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#!/usr/bin/env bash
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS=""
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn ( ) {
echo "$*"
}
die ( ) {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin, switch paths to Windows format before running java
if $cygwin ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=$((i+1))
done
case $i in
(0) set -- ;;
(1) set -- "$args0" ;;
(2) set -- "$args0" "$args1" ;;
(3) set -- "$args0" "$args1" "$args2" ;;
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Split up the JVM_OPTS And GRADLE_OPTS values into an value, following the shell quoting and substitution rules
function splitJvmOpts() {
JVM_OPTS=("$@")
}
eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
if [[ "$(uname)" == "Darwin" ]] && [[ "$HOME" == "$PWD" ]]; then
cd "$(dirname "$0")"
fi
exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"

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gradlew.bat vendored Normal file
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@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS=
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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settings.gradle Normal file
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rootProject.name = 'msgpack'

44
src/main/java/ch/dissem/msgpack/Reader.java Normal file
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package ch.dissem.msgpack;
import ch.dissem.msgpack.types.*;
import java.io.IOException;
import java.io.InputStream;
import java.util.LinkedList;
import java.util.List;
/**
* Reads MPType object from an {@link InputStream}.
*/
public class Reader {
private List<MPType.Unpacker<?>> unpackers = new LinkedList<MPType.Unpacker<?>>();
public Reader() {
unpackers.add(new MPNil.Unpacker());
unpackers.add(new MPBoolean.Unpacker());
unpackers.add(new MPInteger.Unpacker());
unpackers.add(new MPFloat.Unpacker());
unpackers.add(new MPDouble.Unpacker());
unpackers.add(new MPString.Unpacker());
unpackers.add(new MPBinary.Unpacker());
unpackers.add(new MPMap.Unpacker(this));
unpackers.add(new MPArray.Unpacker(this));
}
/**
* Register your own extensions
*/
public void register(MPType.Unpacker<?> unpacker) {
unpackers.add(unpacker);
}
public MPType read(InputStream in) throws IOException {
int firstByte = in.read();
for (MPType.Unpacker<?> unpacker : unpackers) {
if (unpacker.is(firstByte)) {
return unpacker.unpack(firstByte, in);
}
}
throw new IOException(String.format("Unsupported input, no reader for 0x%02x", firstByte));
}
}

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src/main/java/ch/dissem/msgpack/types/MPArray.java Normal file
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package ch.dissem.msgpack.types;
import ch.dissem.msgpack.Reader;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.util.*;
public class MPArray<T extends MPType> implements MPType<List<T>> {
private List<T> array;
public MPArray(List<T> array) {
this.array = array;
}
public MPArray(T... objects) {
this.array = Arrays.asList(objects);
}
public List<T> getValue() {
return array;
}
public void pack(OutputStream out) throws IOException {
int size = array.size();
if (size < 16) {
out.write(0b10010000 + size);
} else if (size < 65536) {
out.write(0xDC);
out.write(ByteBuffer.allocate(2).putShort((short) size).array());
} else {
out.write(0xDD);
out.write(ByteBuffer.allocate(4).putInt(size).array());
}
for (MPType o : array) {
o.pack(out);
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
MPArray<?> mpArray = (MPArray<?>) o;
return Objects.equals(array, mpArray.array);
}
@Override
public int hashCode() {
return Objects.hash(array);
}
@Override
public String toString() {
StringBuilder result = new StringBuilder();
result.append('[');
Iterator<T> iterator = array.iterator();
while (iterator.hasNext()) {
T item = iterator.next();
result.append(item.toString());
if (iterator.hasNext()) {
result.append(", ");
}
}
result.append(']');
return result.toString();
}
public static class Unpacker implements MPType.Unpacker<MPArray> {
private final Reader reader;
public Unpacker(Reader reader) {
this.reader = reader;
}
public boolean is(int firstByte) {
return firstByte == 0xDC || firstByte == 0xDD || (firstByte & 0b11110000) == 0b10010000;
}
public MPArray<MPType<?>> unpack(int firstByte, InputStream in) throws IOException {
int size;
if ((firstByte & 0b11110000) == 0b10010000) {
size = firstByte & 0b00001111;
} else if (firstByte == 0xDC) {
size = in.read() << 8 | in.read();
} else if (firstByte == 0xDD) {
size = in.read() << 24 | in.read() << 16 | in.read() << 8 | in.read();
} else {
throw new IllegalArgumentException(String.format("Unexpected first byte 0x%02x", firstByte));
}
List<MPType<?>> list = new LinkedList<>();
for (int i = 0; i < size; i++) {
MPType value = reader.read(in);
list.add(value);
}
return new MPArray<>(list);
}
}
}

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src/main/java/ch/dissem/msgpack/types/MPBinary.java Normal file
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package ch.dissem.msgpack.types;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.util.Arrays;
import static ch.dissem.msgpack.types.Utils.bytes;
public class MPBinary implements MPType<byte[]> {
private byte[] value;
public MPBinary(byte[] value) {
this.value = value;
}
public byte[] getValue() {
return value;
}
public void pack(OutputStream out) throws IOException {
int size = value.length;
if (size < 256) {
out.write(0xC4);
out.write((byte) size);
} else if (size < 65536) {
out.write(0xC5);
out.write(ByteBuffer.allocate(2).putShort((short) size).array());
} else {
out.write(0xC6);
out.write(ByteBuffer.allocate(4).putInt(size).array());
}
out.write(value);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
MPBinary mpBinary = (MPBinary) o;
return Arrays.equals(value, mpBinary.value);
}
@Override
public int hashCode() {
return Arrays.hashCode(value);
}
@Override
public String toString() {
return null; // TODO base64
}
public static class Unpacker implements MPType.Unpacker<MPBinary> {
public boolean is(int firstByte) {
return firstByte == 0xC4 || firstByte == 0xC5 || firstByte == 0xC6;
}
public MPBinary unpack(int firstByte, InputStream in) throws IOException {
int size;
if (firstByte == 0xC4) {
size = in.read() << 8 | in.read();
} else if (firstByte == 0xC5) {
size = in.read() << 8 | in.read();
} else if (firstByte == 0xC6) {
size = in.read() << 24 | in.read() << 16 | in.read() << 8 | in.read();
} else {
throw new IllegalArgumentException(String.format("Unexpected first byte 0x%02x", firstByte));
}
return new MPBinary(bytes(in, size).array());
}
}
}

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src/main/java/ch/dissem/msgpack/types/MPBoolean.java Normal file
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package ch.dissem.msgpack.types;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Objects;
public class MPBoolean implements MPType<Boolean> {
private final static int FALSE = 0xC2;
private final static int TRUE = 0xC3;
private final boolean value;
public MPBoolean(boolean value) {
this.value = value;
}
public Boolean getValue() {
return value;
}
public void pack(OutputStream out) throws IOException {
if (value) {
out.write(TRUE);
} else {
out.write(FALSE);
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
MPBoolean mpBoolean = (MPBoolean) o;
return value == mpBoolean.value;
}
@Override
public int hashCode() {
return Objects.hash(value);
}
@Override
public String toString() {
return String.valueOf(value);
}
public static class Unpacker implements MPType.Unpacker<MPBoolean> {
public boolean is(int firstByte) {
return firstByte == TRUE || firstByte == FALSE;
}
public MPBoolean unpack(int firstByte, InputStream in) {
if (firstByte == TRUE) {
return new MPBoolean(true);
} else if (firstByte == FALSE) {
return new MPBoolean(false);
} else {
throw new IllegalArgumentException(String.format("0xC2 or 0xC3 expected but was 0x%02x", firstByte));
}
}
}
}

59
src/main/java/ch/dissem/msgpack/types/MPDouble.java Normal file
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package ch.dissem.msgpack.types;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.util.Objects;
import static ch.dissem.msgpack.types.Utils.bytes;
public class MPDouble implements MPType<Double> {
private double value;
public MPDouble(double value) {
this.value = value;
}
@Override
public Double getValue() {
return value;
}
public void pack(OutputStream out) throws IOException {
out.write(0xCB);
out.write(ByteBuffer.allocate(8).putDouble(value).array());
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
MPDouble mpDouble = (MPDouble) o;
return Double.compare(mpDouble.value, value) == 0;
}
@Override
public int hashCode() {
return Objects.hash(value);
}
@Override
public String toString() {
return String.valueOf(value);
}
public static class Unpacker implements MPType.Unpacker<MPDouble> {
public boolean is(int firstByte) {
return firstByte == 0xCB;
}
public MPDouble unpack(int firstByte, InputStream in) throws IOException {
if (firstByte == 0xCB) {
return new MPDouble(bytes(in, 8).getDouble());
} else {
throw new IllegalArgumentException(String.format("Unexpected first byte 0x%02x", firstByte));
}
}
}
}

59
src/main/java/ch/dissem/msgpack/types/MPFloat.java Normal file
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package ch.dissem.msgpack.types;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.util.Objects;
import static ch.dissem.msgpack.types.Utils.bytes;
public class MPFloat implements MPType<Float> {
private float value;
public MPFloat(float value) {
this.value = value;
}
@Override
public Float getValue() {
return value;
}
public void pack(OutputStream out) throws IOException {
out.write(0xCA);
out.write(ByteBuffer.allocate(4).putFloat(value).array());
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
MPFloat mpFloat = (MPFloat) o;
return Float.compare(mpFloat.value, value) == 0;
}
@Override
public int hashCode() {
return Objects.hash(value);
}
@Override
public String toString() {
return String.valueOf(value);
}
public static class Unpacker implements MPType.Unpacker<MPFloat> {
public boolean is(int firstByte) {
return firstByte == 0xCA;
}
public MPFloat unpack(int firstByte, InputStream in) throws IOException {
if (firstByte == 0xCA) {
return new MPFloat(bytes(in, 4).getFloat());
} else {
throw new IllegalArgumentException(String.format("Unexpected first byte 0x%02x", firstByte));
}
}
}
}

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src/main/java/ch/dissem/msgpack/types/MPInteger.java Normal file
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package ch.dissem.msgpack.types;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.util.Objects;
import static ch.dissem.msgpack.types.Utils.bytes;
public class MPInteger implements MPType<Long> {
private long value;
public MPInteger(long value) {
this.value = value;
}
@Override
public Long getValue() {
return value;
}
public void pack(OutputStream out) throws IOException {
if ((value > ((byte) 0b11100000) && value < 0x80)) {
out.write((int) value);
} else if (value > 0) {
if (value <= 0xFF) {
out.write(0xCC);
out.write((int) value);
} else if (value <= 0xFFFF) {
out.write(0xCD);
out.write(ByteBuffer.allocate(2).putShort((short) value).array());
} else if (value < 0xFFFFFFFFL) {
out.write(0xCE);
out.write(ByteBuffer.allocate(4).putInt((int) value).array());
} else {
out.write(0xCF);
out.write(ByteBuffer.allocate(8).putLong(value).array());
}
} else {
if (value >= Byte.MIN_VALUE) {
out.write(0xD0);
out.write(ByteBuffer.allocate(1).put((byte) value).array());
} else if (value >= Short.MIN_VALUE) {
out.write(0xD1);
out.write(ByteBuffer.allocate(2).putShort((short) value).array());
} else if (value >= Integer.MIN_VALUE) {
out.write(0xD2);
out.write(ByteBuffer.allocate(4).putInt((int) value).array());
} else {
out.write(0xD3);
out.write(ByteBuffer.allocate(8).putLong(value).array());
}
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
MPInteger mpInteger = (MPInteger) o;
return value == mpInteger.value;
}
@Override
public int hashCode() {
return Objects.hash(value);
}
@Override
public String toString() {
return String.valueOf(value);
}
public static class Unpacker implements MPType.Unpacker<MPInteger> {
public boolean is(int firstByte) {
switch (firstByte) {
case 0xCC:
case 0xCD:
case 0xCE:
case 0xCF:
case 0xD0:
case 0xD1:
case 0xD2:
case 0xD3:
return true;
default:
return (firstByte & 0b10000000) == 0 || (firstByte & 0b11100000) == 0b11100000;
}
}
public MPInteger unpack(int firstByte, InputStream in) throws IOException {
if ((firstByte & 0b10000000) == 0 || (firstByte & 0b11100000) == 0b11100000) {
return new MPInteger((byte) firstByte);
} else {
switch (firstByte) {
case 0xCC:
return new MPInteger(in.read());
case 0xCD:
return new MPInteger(in.read() << 8 | in.read());
case 0xCE:
return new MPInteger(in.read() << 24 | in.read() << 16 | in.read() << 8 | in.read());
case 0xCF: {
long value = 0;
for (int i = 0; i < 8; i++) {
value = value << 8 | in.read();
}
return new MPInteger(value);
}
case 0xD0:
return new MPInteger(bytes(in, 1).get());
case 0xD1:
return new MPInteger(bytes(in, 2).getShort());
case 0xD2:
return new MPInteger(bytes(in, 4).getInt());
case 0xD3:
return new MPInteger(bytes(in, 8).getLong());
default:
throw new IllegalArgumentException(String.format("Unexpected first byte 0x%02x", firstByte));
}
}
}
}
}

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src/main/java/ch/dissem/msgpack/types/MPMap.java Normal file
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package ch.dissem.msgpack.types;
import ch.dissem.msgpack.Reader;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Objects;
public class MPMap<K extends MPType, V extends MPType> implements MPType<Map<K, V>> {
private Map<K, V> map;
public MPMap(Map<K, V> map) {
this.map = map;
}
@Override
public Map<K, V> getValue() {
return map;
}
public void pack(OutputStream out) throws IOException {
int size = map.size();
if (size < 16) {
out.write(0x80 + size);
} else if (size < 65536) {
out.write(0xDE);
out.write(ByteBuffer.allocate(2).putShort((short) size).array());
} else {
out.write(0xDF);
out.write(ByteBuffer.allocate(4).putInt(size).array());
}
for (Map.Entry<K, V> e : map.entrySet()) {
e.getKey().pack(out);
e.getValue().pack(out);
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
MPMap<?, ?> mpMap = (MPMap<?, ?>) o;
return Objects.equals(map, mpMap.map);
}
@Override
public int hashCode() {
return Objects.hash(map);
}
@Override
public String toString() {
StringBuilder result = new StringBuilder();
result.append('{');
Iterator<Map.Entry<K, V>> iterator = map.entrySet().iterator();
while (iterator.hasNext()) {
Map.Entry<K, V> item = iterator.next();
result.append(item.getKey().toString());
result.append(": ");
result.append(item.getValue().toString());
if (iterator.hasNext()) {
result.append(", ");
}
}
result.append('}');
return result.toString();
}
public static class Unpacker implements MPType.Unpacker<MPMap> {
private final Reader reader;
public Unpacker(Reader reader) {
this.reader = reader;
}
public boolean is(int firstByte) {
return firstByte == 0xDE || firstByte == 0xDF || (firstByte & 0xF0) == 0x80;
}
public MPMap<MPType<?>, MPType<?>> unpack(int firstByte, InputStream in) throws IOException {
int size;
if ((firstByte & 0xF0) == 0x80) {
size = firstByte & 0x0F;
} else if (firstByte == 0xDE) {
size = in.read() << 8 | in.read();
} else if (firstByte == 0xDF) {
size = in.read() << 24 | in.read() << 16 | in.read() << 8 | in.read();
} else {
throw new IllegalArgumentException(String.format("Unexpected first byte 0x%02x", firstByte));
}
Map<MPType<?>, MPType<?>> map = new LinkedHashMap<>();
for (int i = 0; i < size; i++) {
MPType key = reader.read(in);
MPType value = reader.read(in);
map.put(key, value);
}
return new MPMap<>(map);
}
}
}

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src/main/java/ch/dissem/msgpack/types/MPNil.java Normal file
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package ch.dissem.msgpack.types;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class MPNil implements MPType<Void> {
private final static int NIL = 0xC0;
public Void getValue() {
return null;
}
public void pack(OutputStream out) throws IOException {
out.write(NIL);
}
@Override
public int hashCode() {
return 0;
}
@Override
public boolean equals(Object o) {
return o instanceof MPNil;
}
@Override
public String toString() {
return "nil";
}
public static class Unpacker implements MPType.Unpacker<MPNil> {
public boolean is(int firstByte) {
return firstByte == NIL;
}
public MPNil unpack(int firstByte, InputStream in) {
if (firstByte != NIL) {
throw new IllegalArgumentException(String.format("0xC0 expected but was 0x%02x", firstByte));
}
return new MPNil();
}
}
}

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src/main/java/ch/dissem/msgpack/types/MPString.java Normal file
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package ch.dissem.msgpack.types;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.util.Objects;
import static ch.dissem.msgpack.types.Utils.bytes;
public class MPString implements MPType<String> {
private String value;
public MPString(String value) {
this.value = value;
}
public String getValue() {
return value;
}
public void pack(OutputStream out) throws IOException {
int size = value.length();
if (size < 16) {
out.write(0b10100000 + size);
} else if (size < 256) {
out.write(0xD9);
out.write((byte) size);
} else if (size < 65536) {
out.write(0xDA);
out.write(ByteBuffer.allocate(2).putShort((short) size).array());
} else {
out.write(0xDB);
out.write(ByteBuffer.allocate(4).putInt(size).array());
}
out.write(value.getBytes("UTF-8"));
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
MPString mpString = (MPString) o;
return Objects.equals(value, mpString.value);
}
@Override
public int hashCode() {
return Objects.hash(value);
}
@Override
public String toString() {
return '"' + value + '"'; // FIXME: escape value
}
public static class Unpacker implements MPType.Unpacker<MPString> {
public boolean is(int firstByte) {
return firstByte == 0xD9 || firstByte == 0xDA || firstByte == 0xDB || (firstByte & 0b11100000) == 0b10100000;
}
public MPString unpack(int firstByte, InputStream in) throws IOException {
int size;
if ((firstByte & 0b11100000) == 0b10100000) {
size = firstByte & 0b00011111;
} else if (firstByte == 0xD9) {
size = in.read() << 8 | in.read();
} else if (firstByte == 0xDA) {
size = in.read() << 8 | in.read();
} else if (firstByte == 0xDB) {
size = in.read() << 24 | in.read() << 16 | in.read() << 8 | in.read();
} else {
throw new IllegalArgumentException(String.format("Unexpected first byte 0x%02x", firstByte));
}
return new MPString(new String(bytes(in, size).array(), "UTF-8"));
}
}
}

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src/main/java/ch/dissem/msgpack/types/MPType.java Normal file
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package ch.dissem.msgpack.types;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* Representation for some msgpack encoded data.
*/
public interface MPType<T> {
interface Unpacker<M extends MPType> {
boolean is(int firstByte);
M unpack(int firstByte, InputStream in) throws IOException;
}
T getValue();
void pack(OutputStream out) throws IOException;
}

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src/main/java/ch/dissem/msgpack/types/Utils.java Normal file
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package ch.dissem.msgpack.types;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
class Utils {
static ByteBuffer bytes(InputStream in, int count) throws IOException {
byte[] result = new byte[count];
int off = 0;
while (off < count) {
int read = in.read(result, off, count - off);
if (read < 0) {
throw new IOException("Unexpected end of stream, wanted to read " + count + " bytes but only got " + off);
}
off += read;
}
return ByteBuffer.wrap(result);
}
}

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src/test/java/ch/dissem/msgpack/ReaderTest.java Normal file
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package ch.dissem.msgpack;
import ch.dissem.msgpack.types.*;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.LinkedHashMap;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;
public class ReaderTest {
private Reader reader = new Reader();
@Test
public void ensureDemoJsonIsParsedCorrectly() throws Exception {
MPType read = reader.read(stream("demo.mp"));
assertThat(read, instanceOf(MPMap.class));
assertThat(read.toString(), is(string("demo.json")));
}
@Test
public void ensureDemoJsonIsEncodedCorrectly() throws Exception {
MPMap<MPString, MPType<?>> object = new MPMap<>(new LinkedHashMap<MPString, MPType<?>>());
object.getValue().put(new MPString("compact"), new MPBoolean(true));
object.getValue().put(new MPString("schema"), new MPInteger(0));
ByteArrayOutputStream out = new ByteArrayOutputStream();
object.pack(out);
assertThat(out.toByteArray(), is(bytes("demo.mp")));
}
@Test
@SuppressWarnings("unchecked")
public void ensureMPArrayIsEncodedAndDecodedCorrectly() throws Exception {
MPArray<MPType<?>> array = new MPArray<>(
// new MPBinary(new byte[]{1, 3, 3, 7}),
new MPBoolean(false),
new MPDouble(Math.PI),
new MPFloat(1.5f),
new MPInteger(42),
new MPMap<>(new HashMap<MPNil, MPNil>()),
new MPNil(),
new MPString("yay!") // TODO: emoji
);
ByteArrayOutputStream out = new ByteArrayOutputStream();
array.pack(out);
MPType read = reader.read(new ByteArrayInputStream(out.toByteArray()));
assertThat(read, instanceOf(MPArray.class));
assertThat((MPArray<MPType<?>>) read, is(array));
}
private InputStream stream(String resource) {
return getClass().getClassLoader().getResourceAsStream(resource);
}
private byte[] bytes(String resource) throws IOException {
InputStream in = stream(resource);
ByteArrayOutputStream out = new ByteArrayOutputStream();
byte[] buffer = new byte[100];
for (int size = in.read(buffer); size >= 0; size = in.read(buffer)) {
out.write(buffer, 0, size);
}
return out.toByteArray();
}
private String string(String resource) throws IOException {
return new String(bytes(resource), "UTF-8");
}
}

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src/test/resources/demo.json Normal file
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{"compact": true, "schema": 0}

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src/test/resources/demo.mp Normal file
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