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Posted to commits@sling.apache.org by ra...@apache.org on 2017/12/13 16:29:35 UTC
[sling-org-apache-sling-scripting-sightly-js-provider] branch
master updated: SLING-7306 - The JS Use Provider bundle should explicitly
depend on the Rhino Script Engine
This is an automated email from the ASF dual-hosted git repository.
radu pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/sling-org-apache-sling-scripting-sightly-js-provider.git
The following commit(s) were added to refs/heads/master by this push:
new d513dbe SLING-7306 - The JS Use Provider bundle should explicitly depend on the Rhino Script Engine
d513dbe is described below
commit d513dbef4ceef24d7dece038e2ddd967c99e60a3
Author: Radu Cotescu <ra...@apache.org>
AuthorDate: Wed Dec 13 17:29:22 2017 +0100
SLING-7306 - The JS Use Provider bundle should explicitly depend on the Rhino Script Engine
* explicitly ask for the Rhino script engine in the JsUseProvider; fail early if the
engine is not available
* improved used resource resolver
---
.../scripting/sightly/js/impl/JsEnvironment.java | 8 +--
.../scripting/sightly/js/impl/JsUseProvider.java | 17 +++----
.../js/impl/jsapi/ProxyAsyncScriptableFactory.java | 6 ++-
.../js/impl/jsapi/SlyBindingsValuesProvider.java | 57 +++-------------------
4 files changed, 23 insertions(+), 65 deletions(-)
diff --git a/src/main/java/org/apache/sling/scripting/sightly/js/impl/JsEnvironment.java b/src/main/java/org/apache/sling/scripting/sightly/js/impl/JsEnvironment.java
index 6175ce6..2e88a35 100644
--- a/src/main/java/org/apache/sling/scripting/sightly/js/impl/JsEnvironment.java
+++ b/src/main/java/org/apache/sling/scripting/sightly/js/impl/JsEnvironment.java
@@ -21,6 +21,8 @@ package org.apache.sling.scripting.sightly.js.impl;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
+import java.nio.charset.StandardCharsets;
+
import javax.script.Bindings;
import javax.script.Compilable;
import javax.script.ScriptContext;
@@ -115,11 +117,11 @@ public class JsEnvironment {
try {
Object result;
if (jsEngine instanceof Compilable) {
- reader = new ScriptNameAwareReader(new InputStreamReader(scriptResource.adaptTo(InputStream.class)),
- scriptResource.getPath());
+ reader = new ScriptNameAwareReader(new InputStreamReader(scriptResource.adaptTo(InputStream.class),
+ StandardCharsets.UTF_8), scriptResource.getPath());
result = ((Compilable) jsEngine).compile(reader).eval(scriptContext);
} else {
- reader = new InputStreamReader(scriptResource.adaptTo(InputStream.class));
+ reader = new InputStreamReader(scriptResource.adaptTo(InputStream.class), StandardCharsets.UTF_8);
result = jsEngine.eval(reader, scriptContext);
}
if (commonJsModule.isModified()) {
diff --git a/src/main/java/org/apache/sling/scripting/sightly/js/impl/JsUseProvider.java b/src/main/java/org/apache/sling/scripting/sightly/js/impl/JsUseProvider.java
index ef8d035..948cef3 100644
--- a/src/main/java/org/apache/sling/scripting/sightly/js/impl/JsUseProvider.java
+++ b/src/main/java/org/apache/sling/scripting/sightly/js/impl/JsUseProvider.java
@@ -38,10 +38,6 @@ import org.osgi.framework.Constants;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import org.osgi.service.metatype.annotations.AttributeDefinition;
-import org.osgi.service.metatype.annotations.Designate;
-import org.osgi.service.metatype.annotations.ObjectClassDefinition;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
/**
* Use provider for JavaScript Use-API objects.
@@ -66,18 +62,17 @@ public class JsUseProvider implements UseProvider {
}
- private static final Logger LOGGER = LoggerFactory.getLogger(JsUseProvider.class);
- private static final String JS_ENGINE_NAME = "javascript";
+ private static final String JS_ENGINE_NAME = "rhino";
private static final JsValueAdapter jsValueAdapter = new JsValueAdapter(new AsyncExtractor());
@Reference
- private ScriptEngineManager scriptEngineManager = null;
+ private ScriptEngineManager scriptEngineManager;
@Reference
- private ProxyAsyncScriptableFactory proxyAsyncScriptableFactory = null;
+ private ProxyAsyncScriptableFactory proxyAsyncScriptableFactory;
@Reference
- private ScriptingResourceResolverProvider scriptingResourceResolverProvider = null;
+ private ScriptingResourceResolverProvider scriptingResourceResolverProvider;
@Override
public ProviderOutcome provide(String identifier, RenderContext renderContext, Bindings arguments) {
@@ -87,7 +82,7 @@ public class JsUseProvider implements UseProvider {
}
ScriptEngine jsEngine = scriptEngineManager.getEngineByName(JS_ENGINE_NAME);
if (jsEngine == null) {
- return ProviderOutcome.failure(new SightlyException("No JavaScript engine was defined."));
+ return ProviderOutcome.failure(new SightlyException("Failed to obtain a " + JS_ENGINE_NAME + " JavaScript engine."));
}
SlingScriptHelper scriptHelper = Utils.getHelper(globalBindings);
JsEnvironment environment = null;
@@ -98,7 +93,7 @@ public class JsUseProvider implements UseProvider {
Resource callerScript = slingScriptingResolver.getResource(scriptHelper.getScript().getScriptResource().getPath());
Resource scriptResource = Utils.getScriptResource(callerScript, identifier, globalBindings);
globalBindings.put(ScriptEngine.FILENAME, scriptResource.getPath());
- proxyAsyncScriptableFactory.registerProxies(globalBindings);
+ proxyAsyncScriptableFactory.registerProxies(slingScriptingResolver, environment, globalBindings);
AsyncContainer asyncContainer = environment.runResource(scriptResource, globalBindings, arguments);
return ProviderOutcome.success(jsValueAdapter.adapt(asyncContainer));
} finally {
diff --git a/src/main/java/org/apache/sling/scripting/sightly/js/impl/jsapi/ProxyAsyncScriptableFactory.java b/src/main/java/org/apache/sling/scripting/sightly/js/impl/jsapi/ProxyAsyncScriptableFactory.java
index ae8c200..00b1ee5 100644
--- a/src/main/java/org/apache/sling/scripting/sightly/js/impl/jsapi/ProxyAsyncScriptableFactory.java
+++ b/src/main/java/org/apache/sling/scripting/sightly/js/impl/jsapi/ProxyAsyncScriptableFactory.java
@@ -24,6 +24,8 @@ import javax.script.ScriptEngine;
import javax.script.SimpleBindings;
import org.apache.commons.lang3.StringUtils;
+import org.apache.sling.api.resource.ResourceResolver;
+import org.apache.sling.scripting.sightly.js.impl.JsEnvironment;
import org.apache.sling.scripting.sightly.js.impl.rhino.HybridObject;
import org.mozilla.javascript.Scriptable;
import org.mozilla.javascript.ScriptableObject;
@@ -43,8 +45,8 @@ public class ProxyAsyncScriptableFactory {
@Reference
private SlyBindingsValuesProvider slyBindingsValuesProvider = null;
- public void registerProxies(Bindings bindings) {
- slyBindingsValuesProvider.initialise(bindings);
+ public void registerProxies(ResourceResolver resourceResolver, JsEnvironment environment, Bindings bindings) {
+ slyBindingsValuesProvider.initialise(resourceResolver, environment, bindings);
Bindings bindingsCopy = new SimpleBindings();
for (String factoryName : slyBindingsValuesProvider.getScriptPaths().keySet()) {
ShadowScriptableObject shadowScriptableObject = new ShadowScriptableObject(factoryName, bindingsCopy);
diff --git a/src/main/java/org/apache/sling/scripting/sightly/js/impl/jsapi/SlyBindingsValuesProvider.java b/src/main/java/org/apache/sling/scripting/sightly/js/impl/jsapi/SlyBindingsValuesProvider.java
index 9c8ba88..87905a1 100644
--- a/src/main/java/org/apache/sling/scripting/sightly/js/impl/jsapi/SlyBindingsValuesProvider.java
+++ b/src/main/java/org/apache/sling/scripting/sightly/js/impl/jsapi/SlyBindingsValuesProvider.java
@@ -21,21 +21,19 @@ package org.apache.sling.scripting.sightly.js.impl.jsapi;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
+
import javax.script.Bindings;
-import javax.script.ScriptEngine;
-import javax.script.ScriptEngineManager;
import javax.script.SimpleBindings;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.io.IOUtils;
-import org.apache.sling.api.resource.LoginException;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
-import org.apache.sling.api.resource.ResourceResolverFactory;
import org.apache.sling.api.scripting.SlingBindings;
import org.apache.sling.commons.osgi.PropertiesUtil;
import org.apache.sling.scripting.sightly.SightlyException;
@@ -48,7 +46,6 @@ import org.apache.sling.scripting.sightly.js.impl.async.TimingFunction;
import org.apache.sling.scripting.sightly.js.impl.cjs.CommonJsModule;
import org.apache.sling.scripting.sightly.js.impl.rhino.HybridObject;
import org.apache.sling.scripting.sightly.js.impl.rhino.JsValueAdapter;
-import org.apache.sling.serviceusermapping.ServiceUserMapped;
import org.mozilla.javascript.Context;
import org.mozilla.javascript.Function;
import org.mozilla.javascript.Script;
@@ -58,7 +55,6 @@ import org.osgi.service.component.ComponentContext;
import org.osgi.service.component.annotations.Activate;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Deactivate;
-import org.osgi.service.component.annotations.Reference;
import org.osgi.service.metatype.annotations.AttributeDefinition;
import org.osgi.service.metatype.annotations.Designate;
import org.osgi.service.metatype.annotations.ObjectClassDefinition;
@@ -104,15 +100,6 @@ public class SlyBindingsValuesProvider {
private static final Logger LOGGER = LoggerFactory.getLogger(SlyBindingsValuesProvider.class);
- @Reference
- private ScriptEngineManager scriptEngineManager = null;
-
- @Reference
- private ResourceResolverFactory rrf = null;
-
- @Reference
- private ServiceUserMapped serviceUserMapped;
-
private final AsyncExtractor asyncExtractor = new AsyncExtractor();
private final JsValueAdapter jsValueAdapter = new JsValueAdapter(asyncExtractor);
@@ -122,9 +109,9 @@ public class SlyBindingsValuesProvider {
private Script qScript;
private final ScriptableObject qScope = createQScope();
- public void initialise(Bindings bindings) {
+ public void initialise(ResourceResolver resourceResolver, JsEnvironment environment, Bindings bindings) {
if (needsInit()) {
- init(bindings);
+ init(resourceResolver, environment, bindings);
}
}
@@ -192,37 +179,13 @@ public class SlyBindingsValuesProvider {
return factories == null || factories.isEmpty() || qScript == null;
}
- private synchronized void init(Bindings bindings) {
+ private synchronized void init(ResourceResolver resourceResolver, JsEnvironment jsEnvironment, Bindings bindings) {
if (needsInit()) {
- ensureFactoriesLoaded(bindings);
- }
- }
-
- private void ensureFactoriesLoaded(Bindings bindings) {
- JsEnvironment jsEnvironment = null;
- ResourceResolver resolver = null;
- try {
- ScriptEngine scriptEngine = obtainEngine();
- if (scriptEngine == null) {
- return;
- }
- jsEnvironment = new JsEnvironment(scriptEngine);
- jsEnvironment.initialize();
- resolver = rrf.getServiceResourceResolver(null);
factories = new HashMap<>(scriptPaths.size());
for (Map.Entry<String, String> entry : scriptPaths.entrySet()) {
- factories.put(entry.getKey(), loadFactory(resolver, jsEnvironment, entry.getValue(), bindings));
- }
- qScript = loadQScript(resolver);
- } catch (LoginException e) {
- LOGGER.error("Cannot load HTL Use-API factories.", e);
- } finally {
- if (jsEnvironment != null) {
- jsEnvironment.cleanup();
- }
- if (resolver != null) {
- resolver.close();
+ factories.put(entry.getKey(), loadFactory(resourceResolver, jsEnvironment, entry.getValue(), bindings));
}
+ qScript = loadQScript(resourceResolver);
}
}
@@ -246,10 +209,6 @@ public class SlyBindingsValuesProvider {
return bindings;
}
- private ScriptEngine obtainEngine() {
- return scriptEngineManager.getEngineByName("javascript");
- }
-
private Object obtainQInstance(Context context, Bindings bindings) {
if (qScript == null) {
return null;
@@ -305,7 +264,7 @@ public class SlyBindingsValuesProvider {
LOGGER.warn("Could not read content of Q library");
return null;
}
- return context.compileReader(new InputStreamReader(reader), Q_PATH, 0, null);
+ return context.compileReader(new InputStreamReader(reader, StandardCharsets.UTF_8), Q_PATH, 0, null);
} catch (IOException e) {
LOGGER.error("Unable to compile the Q library at path " + Q_PATH + ".", e);
} finally {
--
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