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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
package com.sun.star.script.framework.provider.javascript;
import com.sun.star.comp.loader.FactoryHelper;
import com.sun.star.document.XScriptInvocationContext;
import com.sun.star.frame.XModel;
import com.sun.star.lang.XMultiComponentFactory;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.lang.XSingleServiceFactory;
import com.sun.star.reflection.InvocationTargetException;
import com.sun.star.registry.XRegistryKey;
import com.sun.star.script.framework.container.ScriptMetaData;
import com.sun.star.script.framework.log.LogUtils;
import com.sun.star.script.framework.provider.ClassLoaderFactory;
import com.sun.star.script.framework.provider.ScriptContext;
import com.sun.star.script.framework.provider.ScriptEditor;
import com.sun.star.script.framework.provider.ScriptProvider;
import com.sun.star.script.provider.ScriptExceptionRaisedException;
import com.sun.star.script.provider.ScriptFrameworkErrorException;
import com.sun.star.script.provider.ScriptFrameworkErrorType;
import com.sun.star.script.provider.XScript;
import com.sun.star.uno.XComponentContext;
import java.net.URL;
import org.mozilla.javascript.Context;
import org.mozilla.javascript.ImporterTopLevel;
import org.mozilla.javascript.JavaScriptException;
import org.mozilla.javascript.Scriptable;
public class ScriptProviderForJavaScript {
public static class ScriptProviderForJavaScript_2 extends ScriptProvider {
public ScriptProviderForJavaScript_2(XComponentContext ctx) {
super(ctx, "JavaScript");
}
@Override
public XScript getScript(/*IN*/String scriptURI)
throws com.sun.star.uno.RuntimeException, ScriptFrameworkErrorException {
ScriptMetaData scriptData = null;
try {
scriptData = getScriptData(scriptURI);
ScriptImpl script = new ScriptImpl(m_xContext, scriptData, m_xModel,
m_xInvocContext);
return script;
} catch (com.sun.star.uno.RuntimeException re) {
throw new ScriptFrameworkErrorException(
"Failed to create script object: " + re.getMessage(),
null, scriptData.getLanguageName(), language, ScriptFrameworkErrorType.UNKNOWN);
}
}
@Override
public boolean hasScriptEditor() {
return true;
}
@Override
public ScriptEditor getScriptEditor() {
return ScriptEditorForJavaScript.getEditor();
}
}
/**
* Returns a factory for creating the service.
* This method is called by the <code>JavaLoader</code>
* <p>
*
* @param implName the name of the implementation for which a service is desired
* @param multiFactory the service manager to be used if needed
* @param regKey the registryKey
* @return returns a <code>XSingleServiceFactory</code> for creating
* the component
* @see com.sun.star.comp.loader.JavaLoader
*/
public static XSingleServiceFactory __getServiceFactory(String implName,
XMultiServiceFactory multiFactory, XRegistryKey regKey) {
XSingleServiceFactory xSingleServiceFactory = null;
if (implName.equals(
ScriptProviderForJavaScript.ScriptProviderForJavaScript_2.class.getName())) {
xSingleServiceFactory =
FactoryHelper.getServiceFactory(
ScriptProviderForJavaScript.ScriptProviderForJavaScript_2.class,
"com.sun.star.script.provider.ScriptProviderForJavaScript",
multiFactory, regKey);
}
return xSingleServiceFactory;
}
}
class ScriptImpl implements XScript {
private ScriptMetaData metaData;
private XComponentContext m_xContext;
private XMultiComponentFactory m_xMultiComponentFactory;
private XModel m_xModel;
private XScriptInvocationContext m_xInvocContext;
ScriptImpl(XComponentContext ctx, ScriptMetaData metaData, XModel xModel,
XScriptInvocationContext xInvocContext) throws
com.sun.star.uno.RuntimeException {
this.metaData = metaData;
this.m_xContext = ctx;
this.m_xModel = xModel;
this.m_xInvocContext = xInvocContext;
try {
this.m_xMultiComponentFactory = m_xContext.getServiceManager();
} catch (Exception e) {
LogUtils.DEBUG(LogUtils.getTrace(e));
throw new com.sun.star.uno.RuntimeException(
"Error constructing ScriptImpl: [javascript]");
}
LogUtils.DEBUG("ScriptImpl [javascript] script data = " + metaData);
}
/**
* The invoke method of the ScriptProviderForJavaScript runs the
* JavaScript script specified in the URI
*
*
*
* @param params All parameters; pure, out params are
* undefined in sequence, i.e., the value
* has to be ignored by the callee
*
* @param aOutParamIndex Out indices
*
* @param aOutParam Out parameters
*
* @return The value returned from the function
* being invoked
*
* @throws ScriptFrameworkErrorException If there is no matching script name
*
*
* @throws InvocationTargetException If the running script throws
* an exception this information
* is captured and rethrown as
* ScriptErrorRaisedException or
* ScriptExceptionRaisedException
*/
public Object invoke(
/*IN*/Object[] params,
/*OUT*/short[][] aOutParamIndex,
/*OUT*/Object[][] aOutParam)
throws ScriptFrameworkErrorException, InvocationTargetException {
// Initialise the out parameters - not used at the moment
aOutParamIndex[0] = new short[0];
aOutParam[0] = new Object[0];
ClassLoader cl = null;
URL sourceUrl = null;
try {
cl = ClassLoaderFactory.getURLClassLoader(metaData);
sourceUrl = metaData.getSourceURL();
} catch (java.net.MalformedURLException mfu) {
throw new ScriptFrameworkErrorException(
mfu.getMessage(), null,
metaData.getLanguageName(), metaData.getLanguage(),
ScriptFrameworkErrorType.MALFORMED_URL);
}
Context ctxt = null;
try {
String editorURL = sourceUrl.toString();
Object result = null;
ScriptEditorForJavaScript editor =
ScriptEditorForJavaScript.getEditor(metaData.getSourceURL());
if (editor != null) {
editorURL = editor.getURL();
result = editor.execute();
if (result != null &&
result.getClass().getName().equals("org.mozilla.javascript.Undefined")) {
// Always return a string
// TODO revisit
return Context.toString(result);
}
}
String source;
if (editor != null && editor.isModified()) {
LogUtils.DEBUG("GOT A MODIFIED SOURCE");
source = editor.getText();
} else {
metaData.loadSource();
source = metaData.getSource();
}
if (source == null || source.length() == 0) {
throw new ScriptFrameworkErrorException(
"Failed to read source data for script", null,
metaData.getLanguageName(), metaData.getLanguage(),
ScriptFrameworkErrorType.UNKNOWN);
}
/* Set the context ClassLoader on the current thread to
be our custom ClassLoader. This is the suggested method
for setting up a ClassLoader to be used by the Rhino
interpreter
*/
if (cl != null) {
Thread.currentThread().setContextClassLoader(cl);
}
// Initialize a Rhino Context object
ctxt = Context.enter();
/* The ImporterTopLevel ensures that importClass and
importPackage statements work in Javascript scripts
Make the XScriptContext available as a global variable
to the script
*/
ImporterTopLevel scope = new ImporterTopLevel(ctxt);
Scriptable jsCtxt =
Context.toObject(
ScriptContext.createContext(
m_xModel, m_xInvocContext, m_xContext,
m_xMultiComponentFactory),
scope);
scope.put("XSCRIPTCONTEXT", scope, jsCtxt);
Scriptable jsArgs = Context.toObject(params, scope);
scope.put("ARGUMENTS", scope, jsArgs);
result = ctxt.evaluateString(scope, source, "<stdin>", 1, null);
result = Context.toString(result);
return result;
} catch (JavaScriptException jse) {
LogUtils.DEBUG("Caught JavaScriptException exception for JavaScript type = "
+ jse.getClass());
String message = jse.getMessage();
Object wrap = jse.getValue();
LogUtils.DEBUG("\t message " + message);
LogUtils.DEBUG("\t wrapped type " + wrap.getClass());
LogUtils.DEBUG("\t wrapped toString " + wrap.toString());
ScriptExceptionRaisedException se = new
ScriptExceptionRaisedException(message);
se.lineNum = -1;
se.language = "JavaScript";
se.scriptName = metaData.getLanguageName();
se.exceptionType = wrap.getClass().getName();
se.language = metaData.getLanguage();
LogUtils.DEBUG("ExceptionRaised exception ");
LogUtils.DEBUG("\t message " + se.getMessage());
LogUtils.DEBUG("\t lineNum " + se.lineNum);
LogUtils.DEBUG("\t language " + se.language);
LogUtils.DEBUG("\t scriptName " + se.scriptName);
raiseEditor(se.lineNum);
throw new InvocationTargetException(
"JavaScript uncaught exception" + metaData.getLanguageName(), null, se);
} catch (Exception ex) {
LogUtils.DEBUG("Caught Exception " + ex);
LogUtils.DEBUG("rethrowing as ScriptFramework error");
throw new ScriptFrameworkErrorException(
ex.getMessage(), null, metaData.getLanguageName(),
metaData.getLanguage(), ScriptFrameworkErrorType.UNKNOWN);
} finally {
if (ctxt != null) {
Context.exit();
}
}
}
private void raiseEditor(int lineNum) {
try {
URL sourceUrl = metaData.getSourceURL();
ScriptEditorForJavaScript editor =
ScriptEditorForJavaScript.getEditor(sourceUrl);
if (editor == null) {
editor = ScriptEditorForJavaScript.getEditor();
editor.edit(
ScriptContext.createContext(m_xModel, m_xInvocContext,
m_xContext, m_xMultiComponentFactory),
metaData);
editor = ScriptEditorForJavaScript.getEditor(sourceUrl);
}
if (editor != null) {
System.out.println("** Have raised IDE for JavaScript, calling indicateErrorLine for line "
+ lineNum);
editor.indicateErrorLine(lineNum);
}
} catch (Exception ignore) {
}
}
}
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