From 868016865a8f041589132792485df9ea4a907f4d Mon Sep 17 00:00:00 2001
From: Athou <jeremiepanzer@gmail.com>
Date: Sat, 18 May 2013 18:50:22 +0200
Subject: [PATCH] process timestamps at build time

---
 pom.xml                                       |  8 -----
 .../resources/TimestampProcessor.java         | 29 +++++++++++++++++++
 ...ovider.java => WroAdditionalProvider.java} |  3 +-
 .../frontend/resources/WroManagerFactory.java |  1 +
 ...source.processor.support.ProcessorProvider |  2 +-
 src/main/webapp/WEB-INF/wro.properties        |  2 +-
 .../{script => webapp/js}/template-loader.js  |  0
 7 files changed, 34 insertions(+), 11 deletions(-)
 create mode 100644 src/main/java/com/commafeed/frontend/resources/TimestampProcessor.java
 rename src/main/java/com/commafeed/frontend/resources/{WroSassProvider.java => WroAdditionalProvider.java} (83%)
 rename src/main/{script => webapp/js}/template-loader.js (100%)

diff --git a/pom.xml b/pom.xml
index a54bfd76..03fead69 100644
--- a/pom.xml
+++ b/pom.xml
@@ -507,14 +507,6 @@
 									<directory>target/generated-sources/wro4j/</directory>
 									<targetPath>static</targetPath>
 								</resource>
-								<resource>
-									<directory>src/main/script/</directory>
-									<includes>
-										<include>*.js</include>
-									</includes>
-									<targetPath>js</targetPath>
-									<filtering>true</filtering>
-								</resource>
 							</webResources>
 						</configuration>
 					</plugin>
diff --git a/src/main/java/com/commafeed/frontend/resources/TimestampProcessor.java b/src/main/java/com/commafeed/frontend/resources/TimestampProcessor.java
new file mode 100644
index 00000000..5a5ccbc4
--- /dev/null
+++ b/src/main/java/com/commafeed/frontend/resources/TimestampProcessor.java
@@ -0,0 +1,29 @@
+package com.commafeed.frontend.resources;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.io.Writer;
+import java.util.Calendar;
+
+import org.apache.commons.io.IOUtils;
+
+import ro.isdc.wro.model.resource.Resource;
+import ro.isdc.wro.model.resource.ResourceType;
+import ro.isdc.wro.model.resource.SupportedResourceType;
+import ro.isdc.wro.model.resource.processor.ResourcePreProcessor;
+
+@SupportedResourceType(ResourceType.JS)
+public class TimestampProcessor implements ResourcePreProcessor {
+
+	private static final String NOW = ""
+			+ Calendar.getInstance().getTimeInMillis();
+
+	@Override
+	public void process(Resource resource, Reader reader, Writer writer)
+			throws IOException {
+		String content = IOUtils.toString(reader);
+		content = content.replace("${timestamp}", NOW);
+		writer.write(content);
+	}
+
+}
diff --git a/src/main/java/com/commafeed/frontend/resources/WroSassProvider.java b/src/main/java/com/commafeed/frontend/resources/WroAdditionalProvider.java
similarity index 83%
rename from src/main/java/com/commafeed/frontend/resources/WroSassProvider.java
rename to src/main/java/com/commafeed/frontend/resources/WroAdditionalProvider.java
index 216dfe61..9a07e8dd 100644
--- a/src/main/java/com/commafeed/frontend/resources/WroSassProvider.java
+++ b/src/main/java/com/commafeed/frontend/resources/WroAdditionalProvider.java
@@ -12,13 +12,14 @@ import com.google.api.client.util.Maps;
  * Build-time solution
  *
  */
-public class WroSassProvider implements ProcessorProvider {
+public class WroAdditionalProvider implements ProcessorProvider {
 
 	@Override
 	public Map<String, ResourcePreProcessor> providePreProcessors() {
 		Map<String, ResourcePreProcessor> map = Maps.newHashMap();
 		map.put("sassOnlyProcessor", new SassOnlyProcessor());
 		map.put("sassImport", new SassImportProcessor());
+		map.put("timestamp", new TimestampProcessor());
 		return map;
 	}
 
diff --git a/src/main/java/com/commafeed/frontend/resources/WroManagerFactory.java b/src/main/java/com/commafeed/frontend/resources/WroManagerFactory.java
index 2fe8d601..f96df571 100644
--- a/src/main/java/com/commafeed/frontend/resources/WroManagerFactory.java
+++ b/src/main/java/com/commafeed/frontend/resources/WroManagerFactory.java
@@ -15,6 +15,7 @@ public class WroManagerFactory extends ConfigurableWroManagerFactory {
 	protected void contributePreProcessors(Map<String, ResourcePreProcessor> map) {
 		map.put("sassOnlyProcessor", new SassOnlyProcessor());
 		map.put("sassImport", new SassImportProcessor());
+		map.put("timestamp", new TimestampProcessor());
 	}
 
 }
diff --git a/src/main/resources/META-INF/services/ro.isdc.wro.model.resource.processor.support.ProcessorProvider b/src/main/resources/META-INF/services/ro.isdc.wro.model.resource.processor.support.ProcessorProvider
index f1b77741..92fe1ed8 100644
--- a/src/main/resources/META-INF/services/ro.isdc.wro.model.resource.processor.support.ProcessorProvider
+++ b/src/main/resources/META-INF/services/ro.isdc.wro.model.resource.processor.support.ProcessorProvider
@@ -1 +1 @@
-com.commafeed.frontend.resources.WroSassProvider
\ No newline at end of file
+com.commafeed.frontend.resources.WroAdditionalProvider
\ No newline at end of file
diff --git a/src/main/webapp/WEB-INF/wro.properties b/src/main/webapp/WEB-INF/wro.properties
index a6606977..0745b4a0 100644
--- a/src/main/webapp/WEB-INF/wro.properties
+++ b/src/main/webapp/WEB-INF/wro.properties
@@ -10,7 +10,7 @@ jmxEnabled=false
 managerFactoryClassName=com.commafeed.frontend.resources.WroManagerFactory
 
 #List of preProcessors
-preProcessors=cssUrlRewriting,sassImport,semicolonAppender,googleClosureSimple,sassOnlyProcessor,cssMin
+preProcessors=timestamp,cssUrlRewriting,sassImport,semicolonAppender,googleClosureSimple,sassOnlyProcessor,cssMin
 #List of postProcessors
 postProcessors=
 
diff --git a/src/main/script/template-loader.js b/src/main/webapp/js/template-loader.js
similarity index 100%
rename from src/main/script/template-loader.js
rename to src/main/webapp/js/template-loader.js