| /******************************************************************************* |
| * 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.sightly.impl.engine; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.jar.Attributes; |
| import java.util.jar.Manifest; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.metatype.annotations.AttributeDefinition; |
| |
| /** |
| * Holds various HTL engine global configurations. |
| */ |
| @Component( |
| service = SightlyEngineConfiguration.class, |
| configurationPid = "org.apache.sling.scripting.sightly.impl.engine.SightlyEngineConfiguration" |
| ) |
| public class SightlyEngineConfiguration { |
| |
| @interface Configuration { |
| |
| @AttributeDefinition( |
| name = "Keep Generated Java Source Code", |
| description = "If enabled, the Java source code generated during HTL template files compilation will be stored. " + |
| "Its location is dependent on the available org.apache.sling.commons.classloader.ClassLoaderWriter." |
| |
| ) |
| boolean keepGenerated() default true; |
| |
| @AttributeDefinition( |
| name = "Known Expression Options", |
| description = "A list of extra expression options that should be ignored by the HTL compiler when reporting unknown options." |
| ) |
| String[] allowedExpressionOptions(); |
| |
| } |
| |
| private String engineVersion = "0"; |
| private boolean keepGenerated; |
| private String bundleSymbolicName = "org.apache.sling.scripting.sightly"; |
| private Set<String> allowedExpressionOptions; |
| |
| public String getEngineVersion() { |
| return engineVersion; |
| } |
| |
| public String getBundleSymbolicName() { |
| return bundleSymbolicName; |
| } |
| |
| public String getScratchFolder() { |
| return "/" + bundleSymbolicName.replaceAll("\\.", "/"); |
| } |
| |
| public boolean keepGenerated() { |
| return keepGenerated; |
| } |
| |
| public Set<String> getAllowedExpressionOptions() { |
| return allowedExpressionOptions; |
| } |
| |
| @Activate |
| protected void activate(Configuration configuration) { |
| InputStream ins = null; |
| try { |
| ins = getClass().getResourceAsStream("/META-INF/MANIFEST.MF"); |
| if (ins != null) { |
| Manifest manifest = new Manifest(ins); |
| Attributes attrs = manifest.getMainAttributes(); |
| String version = attrs.getValue("ScriptEngine-Version"); |
| if (version != null) { |
| engineVersion = version; |
| } |
| String symbolicName = attrs.getValue("Bundle-SymbolicName"); |
| if (StringUtils.isNotEmpty(symbolicName)) { |
| bundleSymbolicName = symbolicName; |
| } |
| } |
| } catch (IOException ioe) { |
| } finally { |
| if (ins != null) { |
| try { |
| ins.close(); |
| } catch (IOException ignore) { |
| } |
| } |
| } |
| keepGenerated = configuration.keepGenerated(); |
| allowedExpressionOptions = new HashSet<>(Arrays.asList(configuration.allowedExpressionOptions())); |
| } |
| } |