Configure gradle to set version and build date

build.gradle

@@ -2,12 +2,18 @@ apply plugin: 'java'
 repositories{
   mavenCentral()
 }
+Properties properties = new Properties()
+properties.load(project.rootProject.file('project.properties').newDataInputStream())
+def releaseVersion = properties.getProperty('ReleaseVersion')
+def getDate() {
+    return new Date().format('yyyyMMddHHmmss')
+}
 
 sourceCompatibility = 1.8
 jar {
     manifest {
         attributes("Implementation-Title": "w2phtml",
-                   "Implementation-Version": "0.5.0",
+                   "Implementation-Version": releaseVersion,
 		   "Main-Class" : "w2phtml.Application",
 		   "Class-Path" : "jasp.jar parser.jar")
     }
@@ -41,7 +47,7 @@ jar {
 task xhtml(type: Jar) {
     manifest {
         attributes("Implementation-Title": "w2phtml",
-                   "Implementation-Version": "0.5.1",
+                   "Implementation-Version": releaseVersion,
 		   "Built-By": "litvinovg",
                    "RegistrationClassName" : "org.openoffice.da.comp.writer2xhtml.W2XRegistration",
                    "Class-Path" : "jasp.jar parser.jar")
@@ -71,12 +77,10 @@ task xhtml(type: Jar) {
 	include 'w2phtml/xhtml/**/**/*.properties'
     from sourceSets.main.output
     include 'org/**/*'
-    
-    
-   
 }
+
 task oxt(type: Zip){
-    dependsOn xhtml
+    dependsOn = [ 'xhtml', 'setVersion' ]
     archiveName 'w2phtml.oxt'
     from 'src/main/oxt/writer2xhtml' 
     include '*' 
@@ -86,3 +90,9 @@ task oxt(type: Zip){
     from 'src/main/idl/writer2xhtml'
     include 'writer2xhtml.rdb' 
 }
+task setVersion(){   
+   ant.taskdef(name: 'xmltask', classpath: 'buildPlugins/xmltask.jar', classname: 'com.oopsconsultancy.xmltask.ant.XmlTask') 
+   ant.xmltask(source: 'src/main/oxt/writer2xhtml/description.xml', dest: 'src/main/oxt/writer2xhtml/description.xml', report:'true') {
+     replace(path: "//*[local-name()='version']/@value", withText: "${releaseVersion}")
+   }
+}