svn commit: r986341 - in /incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala: ./ src/ src/main/ src/main/scala/ src/main/scala/org/ src/main/scala/org/apache/ src/main/scala/org/apache/clerezza/ src/mai...

[re...@apache.org]

Author: reto
Date: Tue Aug 17 14:53:26 2010
New Revision: 986341

URL: http://svn.apache.org/viewvc?rev=986341&view=rev
Log:
CLEREZZA-278: added support classes to write renderlets in scala more easily

Added:
    incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/   (with props)
    incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/pom.xml
    incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/
    incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/
    incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/
    incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/
    incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/apache/
    incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/apache/clerezza/
    incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/apache/clerezza/platform/
    incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/apache/clerezza/platform/typerendering/
    incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/apache/clerezza/platform/typerendering/scala/
    incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/apache/clerezza/platform/typerendering/scala/PageRenderlet.scala
    incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/apache/clerezza/platform/typerendering/scala/RenderedPage.scala

Propchange: incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/
------------------------------------------------------------------------------
--- svn:ignore (added)
+++ svn:ignore Tue Aug 17 14:53:26 2010
@@ -0,0 +1 @@
+target

Added: incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/pom.xml
URL: http://svn.apache.org/viewvc/incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/pom.xml?rev=986341&view=auto
==============================================================================
--- incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/pom.xml (added)
+++ incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/pom.xml Tue Aug 17 14:53:26 2010
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><project 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.apache.clerezza</groupId>
+		<artifactId>org.apache.clerezza.parent</artifactId>
+		<version>0.2-incubating-SNAPSHOT</version>
+	</parent>
+	<groupId>org.apache.clerezza</groupId>
+	<artifactId>org.apache.clerezza.platform.typerendering.scala</artifactId>
+	<packaging>bundle</packaging>
+	<version>0.1-incubating-SNAPSHOT</version>
+	<name>Clerezza - Platform Typerendering Utilities for Scala</name>
+	<description>Utilities to write renderlets in Scala</description>
+	<dependencies>
+		<dependency>
+			<groupId>org.apache.clerezza</groupId>
+			<artifactId>org.apache.clerezza.platform</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.clerezza</groupId>
+			<artifactId>org.apache.clerezza.rdf.scala.utils</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.clerezza</groupId>
+			<artifactId>org.apache.clerezza.platform.typerendering.core</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.scala-lang</groupId>
+			<artifactId>scala-library</artifactId>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<sourceDirectory>src/main/scala</sourceDirectory>
+		<testSourceDirectory>src/test/scala</testSourceDirectory>
+		<plugins>
+			<plugin>
+				<groupId>org.scala-tools</groupId>
+				<artifactId>maven-scala-plugin</artifactId>
+				<executions>
+					<execution>
+						<goals>
+							<goal>compile</goal>
+							<goal>testCompile</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.felix</groupId>
+				<artifactId>maven-bundle-plugin</artifactId>
+				<configuration>
+					<instructions>
+						<Export-Package>org.apache.clerezza.platform.typerendering.scala</Export-Package>
+						<Bundle-SymbolicName>org.apache.clerezza.platform.typerendering.scala</Bundle-SymbolicName>
+					</instructions>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+</project>

Added: incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/apache/clerezza/platform/typerendering/scala/PageRenderlet.scala
URL: http://svn.apache.org/viewvc/incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/apache/clerezza/platform/typerendering/scala/PageRenderlet.scala?rev=986341&view=auto
==============================================================================
--- incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/apache/clerezza/platform/typerendering/scala/PageRenderlet.scala (added)
+++ incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/apache/clerezza/platform/typerendering/scala/PageRenderlet.scala Tue Aug 17 14:53:26 2010
@@ -0,0 +1,99 @@
+package org.apache.clerezza.platform.typerendering.scala
+
+//import ontologies._
+import java.io.IOException
+import java.io.OutputStream
+import java.io.PrintWriter
+import java.net.URI
+import java.util.ArrayList
+import java.util.Comparator
+import java.util.Iterator
+import java.util.List
+import java.util.SortedSet
+import java.util.TreeSet
+import javax.ws.rs.core.MediaType
+import org.apache.clerezza.platform.typerendering.Renderlet.RequestProperties
+import org.apache.clerezza.platform.typerendering._
+import org.apache.clerezza.rdf.core.NonLiteral
+import org.apache.clerezza.rdf.core.Resource
+import org.apache.clerezza.rdf.core.UriRef
+import org.apache.clerezza.rdf.ontologies.DISCOBITS
+import org.apache.clerezza.rdf.utils.GraphNode
+import org.osgi.service.component.ComponentContext
+import org.apache.clerezza.rdf.ontologies._
+import org.apache.clerezza.rdf.core._
+import org.apache.clerezza.rdf.utils._
+import org.apache.clerezza.rdf.scala.utils.Preamble._
+
+/**
+ * This abstract Renderlet is overwritten to support the rendering of a 
+ * particular RDF type in scala.
+ * <br/>
+ * Overwriting classes weill define the method renderedPage(Arguments), rdfType 
+ * and optionally mode.
+ * <br/>
+ * This class makes sure the renderlet is registered with the renderlet manager
+ * when the component is activated.
+ * <br/>
+ * There's typically only one instance of a PageRenderlet while a new instance
+ * of RenderedPage is generated for each request.
+ *
+ */
+abstract class PageRenderlet extends Renderlet {
+
+	println("constructoing PageRenderlet")
+
+	def renderedPage(renderingArguments: RenderedPage.Arguments): RenderedPage
+	def rdfType: UriRef
+	def mode = "naked"
+
+	var renderletManager: RenderletManager = null;
+
+	def ifx[T](con:  => Boolean)(f: => T) :  T = {
+		if (con) f else null.asInstanceOf[T]
+	}
+
+	val resultDocModifier = org.apache.clerezza.platform.typerendering.ResultDocModifier.getInstance();
+
+
+	def activate(context: ComponentContext) = {
+		println("activating Page Renderlet "+this.getClass);
+		renderletManager.registerRenderlet(this.getClass.getName,
+				null,
+				rdfType, mode,
+				MediaType.APPLICATION_XHTML_XML_TYPE, true);
+	}
+
+
+
+	@throws(classOf[IOException])
+	override def render(res: GraphNode, context: GraphNode,
+					renderer: CallbackRenderer ,
+					renderingSpecification:  URI,
+					mode: String,
+					mediaType: MediaType,
+					requestProperties: RequestProperties,
+					os: OutputStream) = {
+			if (os == null) {
+				throw new IllegalArgumentException("Exception!")
+			}
+			val renderingSpecificationOption = if (renderingSpecification != null) {Some(renderingSpecification)} else {None}
+			val modeOption = if (mode != null) {Some(mode)} else {None}
+			renderedPage(
+				RenderedPage.Arguments(res, context, renderer,
+								   renderingSpecificationOption, modeOption, mediaType, os));
+
+	}
+	
+	
+
+	def bindRenderletManager(m: RenderletManager)  = {
+		renderletManager = m
+	}
+
+	def unbindRenderletManager(m: RenderletManager)  = {
+		renderletManager = null
+	}
+
+}
+

Added: incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/apache/clerezza/platform/typerendering/scala/RenderedPage.scala
URL: http://svn.apache.org/viewvc/incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/apache/clerezza/platform/typerendering/scala/RenderedPage.scala?rev=986341&view=auto
==============================================================================
--- incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/apache/clerezza/platform/typerendering/scala/RenderedPage.scala (added)
+++ incubator/clerezza/trunk/org.apache.clerezza.parent/org.apache.clerezza.platform.typerendering.scala/src/main/scala/org/apache/clerezza/platform/typerendering/scala/RenderedPage.scala Tue Aug 17 14:53:26 2010
@@ -0,0 +1,88 @@
+package org.apache.clerezza.platform.typerendering.scala
+
+
+import java.io.IOException
+import java.io.OutputStream
+import java.io.PrintWriter
+import java.net.URI
+import java.util.ArrayList
+import java.util.Comparator
+import java.util.Iterator
+import java.util.List
+import java.util.SortedSet
+import java.util.TreeSet
+import javax.ws.rs.core.MediaType
+import scala.xml._
+import org.apache.clerezza.platform.typerendering._
+import org.apache.clerezza.rdf.core.NonLiteral
+import org.apache.clerezza.rdf.core.Resource
+import org.apache.clerezza.rdf.core.UriRef
+import org.apache.clerezza.rdf.utils.GraphNode
+import org.osgi.service.component.ComponentContext
+import org.apache.clerezza.rdf.ontologies._
+import org.apache.clerezza.rdf.core._
+import org.apache.clerezza.rdf.utils._
+import org.apache.clerezza.rdf.scala.utils.Preamble._
+
+
+/**
+ * PageRenderlet.renderedPage returns an instance of this class, implementing
+ * the content method to produce an XML Elmenet suitable as response to the
+ * request yieldingto the arguments passed to the constructor.
+ */
+abstract class RenderedPage(arguments: RenderedPage.Arguments) {
+	val RenderedPage.Arguments(
+					res: GraphNode,
+					context: GraphNode,
+					renderer: CallbackRenderer,
+					renderingSpecificationOption:  Option[URI],
+					modeOption: Option[String],
+					mediaType: MediaType,
+					os: OutputStream) = arguments;
+	val mode = modeOption match {
+		case Some(x) => x
+		case None => null
+	}
+
+	def render(resource : GraphNode) : Seq[Node] = {
+		modeOption match {
+			case Some(m) => render(resource, m)
+			case None => render(resource, "naked")
+		}
+	}
+
+	def render(resource : GraphNode, mode : String) = {
+		def parseNodeSeq(string : String)  = {
+			_root_.scala.xml.XML.loadString("<elem>"+string+"</elem>").child
+		}
+		val baos = new java.io.ByteArrayOutputStream
+		renderer.render(resource, context, mode, baos)
+		parseNodeSeq(new String(baos.toByteArray))
+	}
+	println("rendering")
+	val out = new PrintWriter(os)
+
+
+	def ifx[T](con:  => Boolean)(f: => T) :  T = {
+		if (con) f else null.asInstanceOf[T]
+	}
+
+	val resultDocModifier = org.apache.clerezza.platform.typerendering.ResultDocModifier.getInstance();
+
+	out.println(
+		content
+	)
+	out.flush()
+
+	def content : Elem;
+
+
+}
+object RenderedPage {
+	case class Arguments(res: GraphNode, context: GraphNode,
+					renderer: CallbackRenderer ,
+					renderingSpecificationOption:  Option[URI],
+					modeOption: Option[String],
+					mediaType: MediaType,
+					os: OutputStream);
+}
\ No newline at end of file