/*
* 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.sling.scripting.scala.config;
import static org.apache.sling.scripting.scala.Utils.makeIdentifier;
import javax.script.ScriptContext;
import javax.script.ScriptException;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.scripting.SlingBindings;
import org.apache.sling.api.scripting.SlingScriptHelper;
import org.apache.sling.scripting.scala.AbstractScriptInfo;
import org.apache.sling.scripting.scala.ScriptInfo;
/**
* This {@link ScriptInfo} implementation provides the script class name
* by retrieving it from the <code>ScriptContext</code>.
*
*/
@Component
@Service
public class SlingScriptInfo extends AbstractScriptInfo {
@Override
public String getScriptClass(String script, ScriptContext context) throws ScriptException {
SlingScriptHelper scriptHelper = getScriptHelper(context);
String path = getRelativePath(scriptHelper.getScript().getScriptResource());
if (path.endsWith(".scala")) {
path = path.substring(0, path.length() - 6);
}
String[] parts = path.split("/");
StringBuilder scriptName = new StringBuilder();
scriptName.append(makeIdentifier(parts[0]));
for (int k = 1; k < parts.length; k++) {
scriptName.append('.').append(makeIdentifier(parts[k]));
}
return scriptName.toString();
}
// -----------------------------------------------------< private >---
@SuppressWarnings("unchecked")
private static SlingScriptHelper getScriptHelper(ScriptContext context) throws ScriptException {
SlingBindings bindings = new SlingBindings();
bindings.putAll(context.getBindings(ScriptContext.ENGINE_SCOPE));
SlingScriptHelper scriptHelper = bindings.getSling();
if (scriptHelper == null) {
throw new ScriptException("Error retrieving Sling script helper from script context");
}
return scriptHelper;
}
private static String getRelativePath(Resource scriptResource) {
String path = scriptResource.getPath();
String[] searchPath = scriptResource.getResourceResolver().getSearchPath();
for (int i = 0; i < searchPath.length; i++) {
if (path.startsWith(searchPath[i])) {
path = path.substring(searchPath[i].length());
break;
}
}
if (path.startsWith("/")) {
path = path.substring(1);
}
return path;
}
}