From 63512db13d90b41d7f9f310db9b8af3f308013ca Mon Sep 17 00:00:00 2001
From: Taeyoung Son <taeyoung2.son@samsung.com>
Date: Mon, 13 May 2013 23:11:10 +0900
Subject: [PATCH] [Title] add TemplateEngineBuilder from webapp-eplugin        
 add method(getLastResourceLayer) to BuildProcess class. [Desc.] [Issue]

Change-Id: I47cd18c7d26c24186e07fc5ca3c84c7afbe4c1ba
---
 .../src/org/tizen/common/builder/BuildProcess.java |   7 +-
 .../common/builder/core/TemplateEngineBuilder.java | 103 +++++++++++++++++++++
 2 files changed, 109 insertions(+), 1 deletion(-)
 create mode 100644 org.tizen.common.builder/src/org/tizen/common/builder/core/TemplateEngineBuilder.java

diff --git a/org.tizen.common.builder/src/org/tizen/common/builder/BuildProcess.java b/org.tizen.common.builder/src/org/tizen/common/builder/BuildProcess.java
index 45d4ce6..da286b3 100755
--- a/org.tizen.common.builder/src/org/tizen/common/builder/BuildProcess.java
+++ b/org.tizen.common.builder/src/org/tizen/common/builder/BuildProcess.java
@@ -72,7 +72,12 @@ public class BuildProcess
     {
         this.builders.add( builder );
     }
-    
+
+    public ResourceLayer getLastResourceLayer() {
+        Builder lastBuilder = getLastBuilder();
+        return (lastBuilder != null) ? lastBuilder.getResourceLayer() : null;
+    }
+
     public Builder getLastBuilder() {
         return CollectionUtil.pickupLast( this.builders );
     }
diff --git a/org.tizen.common.builder/src/org/tizen/common/builder/core/TemplateEngineBuilder.java b/org.tizen.common.builder/src/org/tizen/common/builder/core/TemplateEngineBuilder.java
new file mode 100644
index 0000000..cf9239b
--- /dev/null
+++ b/org.tizen.common.builder/src/org/tizen/common/builder/core/TemplateEngineBuilder.java
@@ -0,0 +1,103 @@
+/*
+ * Web IDE - Builder
+ *
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Contact:
+ * Kangho Kim <kh5325.kim@samsung.com>
+ * Hyeongseok Heo <hyeongseok.heo@samsung.com>
+ * Bonyong Lee <bonyong.lee@samsung.com>
+ * Taeyoung Son <taeyoung2.son@samsung.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Contributors:
+ * - S-Core Co., Ltd
+ *
+ */
+
+package org.tizen.common.builder.core;
+
+import java.io.ByteArrayOutputStream;
+
+import org.tizen.common.builder.BuildResult;
+import org.tizen.common.builder.Resource;
+import org.tizen.common.builder.exception.BuildException;
+import org.tizen.common.util.IOUtil;
+import org.tizen.common.verrari.IModelProvider;
+import org.tizen.common.verrari.ITemplateEngine;
+import org.tizen.common.verrari.ITemplateProvider;
+
+/**
+ * Template engine builder.
+ * When generate resource using template engine, use this abstract builder.
+ * @author Taeyoung Son {@literal <taeyoung2.son@samsung.com>} (S-Core)
+ * @since May 10, 2013
+ *
+ */
+public abstract class TemplateEngineBuilder extends AbstractBuilder {
+
+    protected ITemplateEngine templateEngine;
+    protected IModelProvider modelProvider;
+
+    /**
+     * @param engine Set {@link ITemplateEngine}. It must not be null.
+     * @param modelProvider Set {@link IModelProvider}. It must not be null.
+     * @param templateProvider Set {@link ITemplateProvider}. It must not be null.
+     */
+    public TemplateEngineBuilder(ITemplateEngine engine
+                                    , IModelProvider modelProvider
+                                    , ITemplateProvider templateProvider) {
+        this(engine, modelProvider);
+        this.templateEngine.setTemplateProvider(templateProvider);
+    }
+
+    /**
+     * @param engine Set {@link ITemplateEngine}. It must not be null and must set {@link ITemplateProvider} to engine.
+     * @param modelProvider Set {@link IModelProvider}. It must not be null.
+     */
+    public TemplateEngineBuilder(ITemplateEngine engine, IModelProvider modelProvider) {
+        super();
+        this.templateEngine = engine;
+        this.modelProvider = modelProvider;
+    }
+
+    /*
+     * (non-Javadoc)
+     * @see org.tizen.common.builder.Builder#build(org.tizen.common.builder.Resource)
+     */
+    @Override
+    public BuildResult build(Resource resource) throws BuildException {
+        ByteArrayOutputStream baos = null;
+        try {
+            baos = new ByteArrayOutputStream();
+            String templateKey = getTemplateKey(resource);
+            templateEngine.generate( templateKey, modelProvider, baos ); //$NON-NLS-1$
+            Resource out = layer.addResource( resource.getPath(), baos.toByteArray() );
+            final BuildResult ret = new BuildResult();
+            ret.addDependency( resource, out );
+            return ret;
+        } catch (Exception e) {
+            throw new BuildException( e );
+        } finally {
+            IOUtil.tryClose( baos );
+        }
+    }
+
+    /**
+     * Get template key. It can be used {@link ITemplateEngine#generate(String, IModelProvider, java.io.OutputStream)}.
+     * @param resource
+     * @return Template key.
+     */
+    protected abstract String getTemplateKey(Resource resource);
+}
-- 
2.7.4