/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.shindig.gadgets.rewrite.js;
import com.google.common.collect.Lists;
import org.apache.shindig.gadgets.features.FeatureRegistry.FeatureBundle;
import org.apache.shindig.gadgets.features.FeatureResource;
import org.apache.shindig.gadgets.js.JsContent;
import org.apache.shindig.gadgets.js.JsResponse;
import org.apache.shindig.gadgets.js.JsResponseBuilder;
import org.apache.shindig.gadgets.uri.JsUriManager.JsUri;
import java.util.List;
/**
* Base for a JsCompiler implementation.
*/
public class DefaultJsCompiler implements JsCompiler {
public Iterable<JsContent> getJsContent(JsUri jsUri, FeatureBundle bundle) {
List<JsContent> jsContent = Lists.newLinkedList();
for (FeatureResource resource : bundle.getResources()) {
String content = getFeatureContent(jsUri, resource);
content = (content != null) ? content : "";
if (resource.isExternal()) {
// Support external/type=url feature serving through document.write()
jsContent.add(JsContent.fromFeature("document.write('<script src=\"" + content + "\"></script>')",
"[external:" + content + ']', bundle, resource));
} else {
jsContent.add(JsContent.fromFeature(content, resource.getName(), bundle, resource));
}
jsContent.add(JsContent.fromFeature(";\n", "[separator]", bundle, resource));
}
return jsContent;
}
public JsResponse compile(JsUri jsUri, Iterable<JsContent> content, String externs) {
return new JsResponseBuilder().appendAllJs(content).build();
}
protected String getFeatureContent(JsUri jsUri, FeatureResource resource) {
return jsUri.isDebug() ? resource.getDebugContent() : resource.getContent();
}
}