--- a/.classpath	Wed Jul 09 12:15:53 2014 +0200
+++ b/.classpath	Mon Jul 21 14:48:01 2014 +0200
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="src" path="server/renkan-web/src/main/java"/>
-	<classpathentry kind="src" path="server/renkan-core/src/test/java"/>
-	<classpathentry kind="src" path="server/renkan-management/src/main/java"/>
-	<classpathentry kind="src" path="server/renkan-core/src/main/java"/>
-	<classpathentry kind="src" path="server/renkan-web/src/test/java"/>
+	<classpathentry kind="src" path="server/java/renkan-web/src/main/java"/>
+	<classpathentry kind="src" path="server/java/renkan-core/src/test/java"/>
+	<classpathentry kind="src" path="server/java/renkan-management/src/main/java"/>
+	<classpathentry kind="src" path="server/java/renkan-core/src/main/java"/>
+	<classpathentry kind="src" path="server/java/renkan-web/src/test/java"/>
 	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.web.container"/>
 	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.module.container"/>
 	<classpathentry kind="var" path="M2_REPO/org/cometd/java/bayeux-api/2.7.0/bayeux-api-2.7.0.jar" sourcepath="M2_REPO/org/cometd/java/bayeux-api/2.5.0/bayeux-api-2.5.0-sources.jar">
@@ -211,5 +211,5 @@
 	<classpathentry kind="var" path="M2_REPO/commons-io/commons-io/2.4/commons-io-2.4.jar"/>
 	<classpathentry kind="var" path="M2_REPO/commons-logging/commons-logging/1.1.3/commons-logging-1.1.3.jar"/>
 	<classpathentry kind="var" path="M2_REPO/org/springframework/shell/spring-shell/1.0.0.RELEASE/spring-shell-1.0.0.RELEASE.jar"/>
-	<classpathentry kind="output" path="server/target/classes"/>
+	<classpathentry kind="output" path="server/java/target/classes"/>
 </classpath>

--- a/.hgignore	Wed Jul 09 12:15:53 2014 +0200
+++ b/.hgignore	Mon Jul 21 14:48:01 2014 +0200
@@ -1,11 +1,11 @@
 
 syntax: regexp
 ^\.project$
-^server/target$
-^server/build$
-^server/\.gradle$
-^server/renkan\-[a-z]+/target$
-^server/renkan\-[a-z]+/build$
+^server/java/target$
+^server/java/build$
+^server/java/\.gradle$
+^server/java/renkan\-[a-z]+/target$
+^server/java/renkan\-[a-z]+/build$
 ^metadataplayer/libs$
 ^metadataplayer/metadataplayer$
 ^standalone/renkan/css$

--- a/.settings/org.eclipse.core.resources.prefs	Wed Jul 09 12:15:53 2014 +0200
+++ b/.settings/org.eclipse.core.resources.prefs	Mon Jul 21 14:48:01 2014 +0200
@@ -1,3 +1,3 @@
 eclipse.preferences.version=1
-encoding//server/renkan-web/src/main/webapp/WEB-INF/i18n/messages_en.properties=UTF-8
-encoding//server/renkan-web/src/main/webapp/WEB-INF/i18n/messages_fr.properties=UTF-8
+encoding//server/java/renkan-web/src/main/webapp/WEB-INF/i18n/messages_en.properties=UTF-8
+encoding//server/java/renkan-web/src/main/webapp/WEB-INF/i18n/messages_fr.properties=UTF-8

--- a/.settings/org.eclipse.wst.common.component	Wed Jul 09 12:15:53 2014 +0200
+++ b/.settings/org.eclipse.wst.common.component	Mon Jul 21 14:48:01 2014 +0200
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?><project-modules id="moduleCoreId" project-version="1.5.0">
     <wb-module deploy-name="renkan">
         <wb-resource deploy-path="/" source-path="/server/renkan-web/src/main/webapp"/>
-        <wb-resource deploy-path="/WEB-INF/classes" source-path="/server/renkan-web/src/main/java"/>
-        <wb-resource deploy-path="/WEB-INF/classes" source-path="/server/renkan-web/src/test/java"/>
-        <wb-resource deploy-path="/WEB-INF/classes" source-path="/server/renkan-management/src/main/java"/>
-        <wb-resource deploy-path="/WEB-INF/classes" source-path="/server/renkan-core/src/main/java"/>
-        <wb-resource deploy-path="/WEB-INF/classes" source-path="/server/renkan-core/src/test/java"/>
+        <wb-resource deploy-path="/WEB-INF/classes" source-path="/server/java/renkan-web/src/main/java"/>
+        <wb-resource deploy-path="/WEB-INF/classes" source-path="/server/java/renkan-core/src/test/java"/>
+        <wb-resource deploy-path="/WEB-INF/classes" source-path="/server/java/renkan-management/src/main/java"/>
+        <wb-resource deploy-path="/WEB-INF/classes" source-path="/server/java/renkan-core/src/main/java"/>
+        <wb-resource deploy-path="/WEB-INF/classes" source-path="/server/java/renkan-web/src/test/java"/>
         <property name="java-output-path" value="/server/target/classes"/>
         <property name="context-root" value="renkan"/>
     </wb-module>

--- a/server/README.md	Wed Jul 09 12:15:53 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,10 +0,0 @@
-Dependencies
-
-- Icon user from echo-icon-theme (echo) (Open Icon Library - http://openiconlibrary.sourceforge.net/)  
-licence CC BY-SA - Creative Commons
-- eye icon by : Danilo De Marco : http://www.danilodemarco.com/ 
-
-- cf pom.xml for dependencies
-
-Commandes maven:
-mvn -DskipTests -Djava.awt.headless=true -Duser.timezone="UTC" clean jetty:run-war

--- a/server/build.gradle	Wed Jul 09 12:15:53 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,63 +0,0 @@
-allprojects  {
-  apply plugin: 'maven'
-
-  group = 'org.iri_research.renkan'
-  version = '0.7.11'
-
-
-  gradle.projectsEvaluated {
-    tasks.withType(JavaCompile) {
-        options.compilerArgs << "-Xlint"
-    }
-  }
-}
-
-ext {
-    organization = "IRI"
-
-    junit_version = '4.11'
-    slf4j_log4j12_version = '1.7.5'
-    spring_version = '3.2.6.RELEASE'
-    javax_servlet_version = '3.0.1'
-    java_inject_version = '1'
-    commons_codec_version = '1.8'
-    jackson_version = '2.2.3'
-    joda_time_version = '2.3'
-    spring_data_commons_version = '1.6.3.RELEASE'
-    spring_data_jpa_version = '1.4.3.RELEASE'
-    spring_data_mongodb_version = '1.3.3.RELEASE'
-    spring_security_version = '3.2.0.RELEASE'
-    jetty_version = '8.1.15.v20140411'
-    persistence_api_version = '1.0.2'
-    mongo_java_driver_version = '2.11.4'
-}
-
-subprojects {
-  apply plugin: 'java'
-  sourceCompatibility = 1.7
-  targetCompatibility = 1.7
-
-
-  repositories {
-    mavenLocal()
-    mavenCentral()
-
-    maven { url "http://repo.maven.apache.org/maven2" }
-    maven { url "http://maven.springframework.org/release" }
-    maven { url "http://maven.springframework.org/milestone" }
-    maven { url "http://repo.springsource.org/release" }
-    maven { url "http://repo.springsource.org/libs-release" }
-  }
-
-  test {
-      testLogging {
-          events "passed", "skipped", "failed"//, "standardOut", "standardError"
-      }
-  }
-
-  dependencies {
-    testCompile group: 'junit', name: 'junit', version:junit_version
-    runtime group: 'org.slf4j', name: 'slf4j-log4j12', version:slf4j_log4j12_version
-  }
-
-}

Binary file server/gradle/wrapper/gradle-wrapper.jar has changed

--- a/server/gradle/wrapper/gradle-wrapper.properties	Wed Jul 09 12:15:53 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,6 +0,0 @@
-#Wed Jul 02 17:20:02 CEST 2014
-distributionBase=GRADLE_USER_HOME
-distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.0-bin.zip

--- a/server/gradlew	Wed Jul 09 12:15:53 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,164 +0,0 @@
-#!/usr/bin/env bash
-
-##############################################################################
-##
-##  Gradle start up script for UN*X
-##
-##############################################################################
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS="-Djava.awt.headless=true -Duser.timezone=\"UTC\""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
-# 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\"`/" >&-
-APP_HOME="`pwd -P`"
-cd "$SAVED" >&-
-
-CLASSPATH=$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" ] ; 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"`
-
-    # 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 array, 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=$APP_BASE_NAME"
-
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"

--- a/server/gradlew.bat	Wed Jul 09 12:15:53 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,90 +0,0 @@
-@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
-
-@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= "-Djava.awt.headless=true -Duser.timezone=^"UTC^""
-
-set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
-set APP_BASE_NAME=%~n0
-set APP_HOME=%DIRNAME%
-
-@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 Windowz variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_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=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-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

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/java/README.md	Mon Jul 21 14:48:01 2014 +0200
@@ -0,0 +1,10 @@
+Dependencies
+
+- Icon user from echo-icon-theme (echo) (Open Icon Library - http://openiconlibrary.sourceforge.net/)  
+licence CC BY-SA - Creative Commons
+- eye icon by : Danilo De Marco : http://www.danilodemarco.com/ 
+
+- cf pom.xml for dependencies
+
+Commandes maven:
+mvn -DskipTests -Djava.awt.headless=true -Duser.timezone="UTC" clean jetty:run-war

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/java/build.gradle	Mon Jul 21 14:48:01 2014 +0200
@@ -0,0 +1,63 @@
+allprojects  {
+  apply plugin: 'maven'
+
+  group = 'org.iri_research.renkan'
+  version = '0.7.11'
+
+
+  gradle.projectsEvaluated {
+    tasks.withType(JavaCompile) {
+        options.compilerArgs << "-Xlint"
+    }
+  }
+}
+
+ext {
+    organization = "IRI"
+
+    junit_version = '4.11'
+    slf4j_log4j12_version = '1.7.5'
+    spring_version = '3.2.6.RELEASE'
+    javax_servlet_version = '3.0.1'
+    java_inject_version = '1'
+    commons_codec_version = '1.8'
+    jackson_version = '2.2.3'
+    joda_time_version = '2.3'
+    spring_data_commons_version = '1.6.3.RELEASE'
+    spring_data_jpa_version = '1.4.3.RELEASE'
+    spring_data_mongodb_version = '1.3.3.RELEASE'
+    spring_security_version = '3.2.0.RELEASE'
+    jetty_version = '8.1.15.v20140411'
+    persistence_api_version = '1.0.2'
+    mongo_java_driver_version = '2.11.4'
+}
+
+subprojects {
+  apply plugin: 'java'
+  sourceCompatibility = 1.7
+  targetCompatibility = 1.7
+
+
+  repositories {
+    mavenLocal()
+    mavenCentral()
+
+    maven { url "http://repo.maven.apache.org/maven2" }
+    maven { url "http://maven.springframework.org/release" }
+    maven { url "http://maven.springframework.org/milestone" }
+    maven { url "http://repo.springsource.org/release" }
+    maven { url "http://repo.springsource.org/libs-release" }
+  }
+
+  test {
+      testLogging {
+          events "passed", "skipped", "failed"//, "standardOut", "standardError"
+      }
+  }
+
+  dependencies {
+    testCompile group: 'junit', name: 'junit', version:junit_version
+    runtime group: 'org.slf4j', name: 'slf4j-log4j12', version:slf4j_log4j12_version
+  }
+
+}

Binary file server/java/gradle/wrapper/gradle-wrapper.jar has changed

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/java/gradle/wrapper/gradle-wrapper.properties	Mon Jul 21 14:48:01 2014 +0200
@@ -0,0 +1,6 @@
+#Wed Jul 02 17:20:02 CEST 2014
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.0-bin.zip

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/java/gradlew	Mon Jul 21 14:48:01 2014 +0200
@@ -0,0 +1,164 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS="-Djava.awt.headless=true -Duser.timezone=\"UTC\""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched.
+if $cygwin ; then
+    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+fi
+
+# 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\"`/" >&-
+APP_HOME="`pwd -P`"
+cd "$SAVED" >&-
+
+CLASSPATH=$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" ] ; 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"`
+
+    # 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 array, 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=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/java/gradlew.bat	Mon Jul 21 14:48:01 2014 +0200
@@ -0,0 +1,90 @@
+@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
+
+@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= "-Djava.awt.headless=true -Duser.timezone=^"UTC^""
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@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 Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_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=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+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

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/java/pom.xml	Mon Jul 21 14:48:01 2014 +0200
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0                              http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.iri_research.renkan</groupId>
+    <artifactId>renkan</artifactId>
+    <packaging>pom</packaging>
+    <version>0.7.11</version>
+    <name>Renkan project</name>
+
+    <modules>
+        <module>renkan-core</module>
+        <module>renkan-web</module>
+        <module>renkan-management</module>
+    </modules>
+
+    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <configuration>
+                        <source>1.7</source>
+                        <target>1.7</target>
+                    </configuration>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+    </build>
+
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>3.8.1</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/java/renkan-core/build.gradle	Mon Jul 21 14:48:01 2014 +0200
@@ -0,0 +1,36 @@
+
+description = 'renkan-core'
+
+repositories {
+    mavenCentral()
+}
+
+ext {
+    commons_collections_version = '4.0'
+    uuid_generator_version = '3.1.3'
+}
+
+dependencies {
+    compile group: 'javax.inject', name: 'javax.inject', version:java_inject_version
+    compile group: 'commons-codec', name: 'commons-codec', version:commons_codec_version
+    compile group: 'org.apache.commons', name: 'commons-collections4', version:commons_collections_version
+    compile group: 'com.fasterxml.uuid', name: 'java-uuid-generator', version:uuid_generator_version
+    compile group: 'joda-time', name: 'joda-time', version:joda_time_version
+    compile group: 'org.springframework', name: 'spring-core', version:spring_version
+    compile group: 'org.springframework', name: 'spring-beans', version:spring_version
+    compile group: 'org.springframework', name: 'spring-jdbc', version:spring_version
+    compile group: 'org.springframework', name: 'spring-context', version:spring_version
+    compile group: 'org.springframework.data', name: 'spring-data-commons', version:spring_data_commons_version
+    compile group: 'org.springframework.data', name: 'spring-data-jpa', version:spring_data_jpa_version
+    compile group: 'org.springframework.data', name: 'spring-data-mongodb', version:spring_data_mongodb_version
+    compile group: 'org.springframework.security', name: 'spring-security-core', version:spring_security_version
+    compile group: 'javax.persistence', name: 'persistence-api', version:persistence_api_version
+    compile group: 'com.fasterxml.jackson.core', name: 'jackson-core', version:jackson_version
+    compile group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version:jackson_version
+    compile group: 'com.fasterxml.jackson.core', name: 'jackson-annotations', version:jackson_version
+    compile group: 'com.fasterxml.jackson.jaxrs', name: 'jackson-jaxrs-json-provider', version:jackson_version
+    compile group: 'com.fasterxml.jackson.datatype', name: 'jackson-datatype-joda', version:jackson_version
+    compile group: 'org.mongodb', name: 'mongo-java-driver', version:mongo_java_driver_version
+    testCompile group: 'org.springframework', name: 'spring-test', version:spring_version
+    testRuntime group: 'org.slf4j', name: 'slf4j-log4j12', version:slf4j_log4j12_version
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/java/renkan-core/pom.xml	Mon Jul 21 14:48:01 2014 +0200
@@ -0,0 +1,203 @@
+<?xml version="1.0"?>
+<project
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+    xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.iri_research.renkan</groupId>
+        <artifactId>renkan</artifactId>
+        <version>0.7.11</version>
+    </parent>
+    <artifactId>renkan-core</artifactId>
+    <name>renkan-core</name>
+    <url>http://maven.apache.org</url>
+    <properties>
+        <spring-version>3.2.6.RELEASE</spring-version>
+        <spring-data-mongodb-version>1.3.3.RELEASE</spring-data-mongodb-version>
+        <spring-data-commons-version>1.6.3.RELEASE</spring-data-commons-version>
+        <spring-data-jpa-version>1.4.3.RELEASE</spring-data-jpa-version>
+        <mongo-driver-version>2.11.4</mongo-driver-version>
+        <spring-data-mongodb-version>1.3.3.RELEASE</spring-data-mongodb-version>
+        <javax-persistence-api-version>1.0.2</javax-persistence-api-version>
+        <javax-inject-version>1</javax-inject-version>
+        <commons-codec-version>1.8</commons-codec-version>
+        <fasterxml-java-uuid-generator-version>3.1.3</fasterxml-java-uuid-generator-version>
+        <joda-version>2.3</joda-version>
+        <jackson-version>2.2.3</jackson-version>
+        <spring-security-version>3.2.0.RELEASE</spring-security-version>
+        <commons-collections-version>4.0</commons-collections-version>
+        <junit-version>4.11</junit-version>
+        <slf4j-log4j12-version>1.7.5</slf4j-log4j12-version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+    <repositories>
+        <repository>
+            <id>spring-maven-release</id>
+            <name>Spring Maven Release Repository</name>
+            <url>http://maven.springframework.org/release</url>
+        </repository>
+        <repository>
+            <id>spring-maven-milestone</id>
+            <name>Spring Maven MILESTONE Repository</name>
+            <url>http://maven.springframework.org/milestone</url>
+        </repository>
+        <repository>
+            <id>spring-release</id>
+            <name>Spring Maven SNAPSHOT Repository</name>
+            <url>http://repo.springsource.org/release</url>
+        </repository>
+        <repository>
+            <snapshots>
+                <enabled>false</enabled>
+            </snapshots>
+            <id>central</id>
+            <name>libs-release</name>
+            <url>http://repo.springsource.org/libs-release</url>
+        </repository>
+    </repositories>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.1</version>
+                <configuration>
+                    <source>1.7</source>
+                    <target>1.7</target>
+                </configuration>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>2.4</version>
+                <configuration>
+                    <archive>
+                        <index>true</index>
+                    </archive>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+    <dependencies>
+        <dependency>
+            <groupId>javax.inject</groupId>
+            <artifactId>javax.inject</artifactId>
+            <version>${javax-inject-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>commons-codec</groupId>
+            <artifactId>commons-codec</artifactId>
+            <version>${commons-codec-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-collections4</artifactId>
+            <version>${commons-collections-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.uuid</groupId>
+            <artifactId>java-uuid-generator</artifactId>
+            <version>${fasterxml-java-uuid-generator-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>joda-time</groupId>
+            <artifactId>joda-time</artifactId>
+            <version>${joda-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-core</artifactId>
+            <version>${spring-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-beans</artifactId>
+            <version>${spring-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-jdbc</artifactId>
+            <version>${spring-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>${spring-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+            <version>${spring-version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-commons</artifactId>
+            <version>${spring-data-commons-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-jpa</artifactId>
+            <version>${spring-data-jpa-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-mongodb</artifactId>
+            <version>${spring-data-mongodb-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.security</groupId>
+            <artifactId>spring-security-core</artifactId>
+            <version>${spring-security-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>javax.persistence</groupId>
+            <artifactId>persistence-api</artifactId>
+            <version>${javax-persistence-api-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-core</artifactId>
+            <version>${jackson-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>${jackson-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-annotations</artifactId>
+            <version>${jackson-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.jaxrs</groupId>
+            <artifactId>jackson-jaxrs-json-provider</artifactId>
+            <version>${jackson-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.datatype</groupId>
+            <artifactId>jackson-datatype-joda</artifactId>
+            <version>${jackson-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>${junit-version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mongodb</groupId>
+            <artifactId>mongo-java-driver</artifactId>
+            <version>${mongo-driver-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-log4j12</artifactId>
+            <version>${slf4j-log4j12-version}</version>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+</project>

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/java/renkan-core/src/main/java/org/iri_research/renkan/Constants.java	Mon Jul 21 14:48:01 2014 +0200
@@ -0,0 +1,67 @@
+package org.iri_research.renkan;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import com.fasterxml.uuid.EthernetAddress;
+import com.fasterxml.uuid.Generators;
+import com.fasterxml.uuid.NoArgGenerator;
+
+public class Constants {
+
+    public final static String KEYHEX = "f2338d2299ac28ef64f82956fde37337b87a2b9e8fc03e28fa0768cac37d838113c7d0fc78c60fce1e23b1b3e03ac7db4676b3189c267f26baaab10f72544441";
+    public final static int SALT_LENGTH = 24;
+    public final static int PAGINATION_SIZE = 10;
+    public final static String PROPERTIES_SERVLET_CONTEXT_NAME = "renkan.properties";
+    public final static String PROPERTIES_CLASSPATH_NAME = "renkan_run.properties";
+    public final static String ANONYMOUS_USER_BASE_NAME = "Anonymous";
+
+    private final static EthernetAddress ETHERNET_ADRESS = EthernetAddress
+            .fromInterface();
+    public final static NoArgGenerator UUID_GENERATOR = Generators
+            .timeBasedGenerator(ETHERNET_ADRESS);
+
+    public enum EditMode {
+        READ_ONLY(1), EDITION(2);
+
+        private int value;
+
+        private final static EditMode[] editModeValues = EditMode.values();
+
+        private EditMode(int i) {
+            this.value = i;
+        }
+
+        public static EditMode fromInt(int val) {
+            for (int i = 0; i < editModeValues.length; i++) {
+                if (editModeValues[i].value == val) {
+                    return editModeValues[i];
+                }
+            }
+            return null;
+        }
+    }
+
+
+    public final static String ROLE_USER = "ROLE_USER";
+    
+    public final static List<String> USER_ROLES_SELECT = Collections
+            .unmodifiableList(new ArrayList<String>() {
+                private static final long serialVersionUID = -3041530185134732199L;
+                {
+                    add("ROLE_ADMIN");
+                    add("ROLE_SPACES_ADMIN");
+                    add("ROLE_GROUPS_ADMIN");
+                }
+            });
+
+    public final static List<String> USER_ROLES_ALL = Collections
+            .unmodifiableList(new ArrayList<String>() {
+                private static final long serialVersionUID = -3041530185134732199L;
+                {
+                    add(ROLE_USER);
+                    addAll(USER_ROLES_SELECT);
+                }
+            });
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/java/renkan-core/src/main/java/org/iri_research/renkan/RenkanException.java	Mon Jul 21 14:48:01 2014 +0200
@@ -0,0 +1,25 @@
+package org.iri_research.renkan;
+
+public class RenkanException extends Exception {
+
+    /**
+	 * 
+	 */
+    private static final long serialVersionUID = -6952770322990047437L;
+
+    public RenkanException() {
+    }
+
+    public RenkanException(String message) {
+        super(message);
+    }
+
+    public RenkanException(Throwable exc) {
+        super(exc);
+    }
+
+    public RenkanException(String message, Throwable exc) {
+        super(message, exc);
+    }
+
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/java/renkan-core/src/main/java/org/iri_research/renkan/RenkanProperties.java	Mon Jul 21 14:48:01 2014 +0200
@@ -0,0 +1,47 @@
+package org.iri_research.renkan;
+
+import java.util.Properties;
+
+import javax.annotation.Resource;
+import javax.inject.Named;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@Named
+public class RenkanProperties {
+
+    @Resource(name = "renkanProperties")
+    private Properties properties;
+
+    private final Logger logger = LoggerFactory
+            .getLogger(RenkanProperties.class);
+
+    private static volatile RenkanProperties instance = null;
+
+    private RenkanProperties() {
+        this.logger.debug("Building RenkanProperties");
+    }
+
+    public static RenkanProperties getInstance() {
+        if (instance == null) {
+            synchronized (RenkanProperties.class) {
+                if (instance == null) {
+                    instance = new RenkanProperties();
+                }
+            }
+        }
+        return instance;
+    }
+
+    public int getPaginationSize() {
+        return Integer.parseInt(properties.getProperty(
+                "renkan.pagination.size",
+                Integer.toString(Constants.PAGINATION_SIZE)));
+    }
+
+    public String getProperty(String name, String defaultVal) {
+        return properties.getProperty(name, defaultVal);
+    }
+
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/java/renkan-core/src/main/java/org/iri_research/renkan/RenkanRuntimeException.java	Mon Jul 21 14:48:01 2014 +0200
@@ -0,0 +1,25 @@
+package org.iri_research.renkan;
+
+public class RenkanRuntimeException extends RuntimeException {
+
+    /**
+	 * 
+	 */
+    private static final long serialVersionUID = 736470650035855769L;
+
+    public RenkanRuntimeException() {
+    }
+
+    public RenkanRuntimeException(String message) {
+        super(message);
+    }
+
+    public RenkanRuntimeException(Throwable exc) {
+        super(exc);
+    }
+
+    public RenkanRuntimeException(String message, Throwable exc) {
+        super(message, exc);
+    }
+
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/java/renkan-core/src/main/java/org/iri_research/renkan/models/AbstractRenkanModel.java	Mon Jul 21 14:48:01 2014 +0200
@@ -0,0 +1,152 @@
+package org.iri_research.renkan.models;
+
+import java.io.Serializable;
+import java.io.UnsupportedEncodingException;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+import javax.crypto.spec.SecretKeySpec;
+
+import org.apache.commons.codec.binary.Hex;
+import org.iri_research.renkan.Constants;
+import org.iri_research.renkan.RenkanException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+public abstract class AbstractRenkanModel<ID extends Serializable> implements
+        IRenkanModel<ID> {
+
+    @SuppressWarnings("unused")
+    private static Logger logger = LoggerFactory.getLogger(AbstractRenkanModel.class);
+    
+    public AbstractRenkanModel(ID id, String title, String description,
+            String uri, String color) {
+        super();
+        this.id = id;
+        this.idSet = true;
+        this.title = title;
+        this.description = description;
+        this.uri = uri;
+        this.color = color;
+    }
+
+    protected AbstractRenkanModel() {
+    }
+
+    protected ID id = this.getDefaultId();
+    @JsonIgnore
+    protected boolean idSet = false;
+    protected String title;
+    protected String description;
+    protected String uri;
+    protected String color;
+
+    @Override
+    public String getTitle() {
+        return this.title;
+    }
+
+    @Override
+    public String getDescription() {
+        return this.description;
+    }
+
+    @Override
+    public String getUri() {
+        return this.uri;
+    }
+
+    @Override
+    public String getColor() {
+        return this.color;
+    }
+
+    @Override
+    public ID getId() {
+        return this.id;
+    }
+
+    @Override
+    public void setId(ID id) {
+        this.idSet = true;
+        this.id = id;
+    }
+    
+    @JsonIgnore
+    @Override
+    public boolean isIdSet() {
+        return this.idSet;
+    };
+
+    @Override
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    @Override
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    @Override
+    public void setUri(String uri) {
+        this.uri = uri;
+    }
+
+    @Override
+    public void setColor(String color) {
+        this.color = color;
+    }
+
+    abstract protected String getRawKeyPart();
+    abstract protected ID getDefaultId();
+
+    private String getRawKey(String salt) {
+        StringBuffer key = new StringBuffer(salt != null ? salt + "|" : "");
+        key.append(this.getId());
+        key.append('|');
+        key.append(this.getRawKeyPart());
+        return key.toString();
+    }
+
+    public String getKey(String salt) throws RenkanException {
+
+        String rawKey = this.getRawKey(salt);
+
+        MessageDigest md;
+        try {
+            md = MessageDigest.getInstance("SHA-256");
+        } catch (NoSuchAlgorithmException e) {
+            throw new RenkanException("NoSuchAlgorithmException digest: "
+                    + e.getMessage(), e);
+        }
+        String key;
+        final SecretKeySpec secret_key = new SecretKeySpec(
+                Constants.KEYHEX.getBytes(), "HmacSHA256");
+        md.update(secret_key.getEncoded());
+        try {
+            key = Hex.encodeHexString(md.digest(rawKey.getBytes("UTF-8")));
+        } catch (UnsupportedEncodingException e) {
+            throw new RenkanException("UnsupportedEncodingException digest: "
+                    + e.getMessage(), e);
+        }
+
+        return key;
+    }
+
+    public boolean checkKey(String key, String salt) throws RenkanException {
+
+        if (key == null || key.isEmpty()) {
+            return false;
+        }
+
+        String signature = key;
+
+        String new_key = this.getKey(salt);
+
+        return new_key.equals(signature);
+    }
+
+}