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Diffstat (limited to 'scripting/java/com/sun/star/script/framework/provider/java/ScriptProviderForJava.java')
| -rw-r--r-- | scripting/java/com/sun/star/script/framework/provider/java/ScriptProviderForJava.java | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/scripting/java/com/sun/star/script/framework/provider/java/ScriptProviderForJava.java b/scripting/java/com/sun/star/script/framework/provider/java/ScriptProviderForJava.java new file mode 100644 index 000000000..eeea0d49e --- /dev/null +++ b/scripting/java/com/sun/star/script/framework/provider/java/ScriptProviderForJava.java @@ -0,0 +1,307 @@ +/* + * 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.java; + +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.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.script.provider.XScriptContext; + +import com.sun.star.uno.Any; +import com.sun.star.uno.Type; +import com.sun.star.uno.XComponentContext; + +import java.util.ArrayList; + +public class ScriptProviderForJava { + + public static class _ScriptProviderForJava extends ScriptProvider { + + private final Resolver m_resolutionPolicy = new StrictResolver(); + + public _ScriptProviderForJava(XComponentContext ctx) { + super(ctx, "Java"); + } + + @Override + public XScript getScript(/*IN*/String scriptURI) throws + com.sun.star.uno.RuntimeException, ScriptFrameworkErrorException { + + ScriptMetaData scriptData = getScriptData(scriptURI); + + try { + + ScriptImpl script = + new ScriptImpl(m_xContext, m_resolutionPolicy, scriptData, m_xModel, + m_xInvocContext); + + return script; + } catch (com.sun.star.uno.RuntimeException re) { + ScriptFrameworkErrorException e2 = new ScriptFrameworkErrorException( + "Failed to create script object: " + re, null, + scriptData.getLanguageName(), language, + ScriptFrameworkErrorType.UNKNOWN); + e2.initCause(re); + throw e2; + } + } + + @Override + public boolean hasScriptEditor() { + return false; + } + + @Override + public ScriptEditor getScriptEditor() { + return null; + } + } + + /** + * 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( + ScriptProviderForJava._ScriptProviderForJava.class.getName())) { + + xSingleServiceFactory = + FactoryHelper.getServiceFactory( + ScriptProviderForJava._ScriptProviderForJava.class, + "com.sun.star.script.provider.ScriptProviderForJava", + multiFactory, regKey); + + } + + return xSingleServiceFactory; + } +} + +class ScriptImpl implements XScript { + + private final ScriptMetaData metaData; + private final XComponentContext m_xContext; + private final XModel m_xModel; + private final XScriptInvocationContext m_xInvocContext; + private XMultiComponentFactory m_xMultiComponentFactory; + private final Resolver m_resolutionPolicy; + + ScriptImpl(XComponentContext ctx, Resolver resolver, 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; + this.m_resolutionPolicy = resolver; + + try { + this.m_xMultiComponentFactory = m_xContext.getServiceManager(); + } catch (Exception e) { + LogUtils.DEBUG(LogUtils.getTrace(e)); + throw new com.sun.star.uno.RuntimeException( + e, "Error constructing ScriptProvider: " + e); + } + + LogUtils.DEBUG("ScriptImpl [java] script data = " + metaData); + } + + /** + * Invoke + * + * + * @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 IllegalArgumentException If there is no matching script name + * @throws com.sun.star.reflection.InvocationTargetException If the running script throws an exception + * this information is captured and rethrown as this exception type. + */ + public Object invoke( + /*IN*/Object[] params, + /*OUT*/short[][] aOutParamIndex, + /*OUT*/Object[][] aOutParam) throws + ScriptFrameworkErrorException, + com.sun.star.reflection.InvocationTargetException { + + LogUtils.DEBUG("** ScriptProviderForJava::invoke: Starting..."); + + // Initialise the out parameters - not used at the moment + aOutParamIndex[0] = new short[0]; + aOutParam[0] = new Object[0]; + + ScriptDescriptor scriptDesc = + new ScriptDescriptor(metaData.getLanguageName()); + + LogUtils.DEBUG("Classloader starting..."); + + ClassLoader scriptLoader = + ClassLoaderFactory.getURLClassLoader(metaData); + + LogUtils.DEBUG("Classloader finished..."); + + ArrayList<Object> invocationArgList = new ArrayList<Object>(); + Object[] invocationArgs = null; + + LogUtils.DEBUG("Parameter Mapping..."); + + // Setup Context Object + XScriptContext xSc = + ScriptContext.createContext(m_xModel, m_xInvocContext, + m_xContext, m_xMultiComponentFactory); + + scriptDesc.addArgumentType(XScriptContext.class); + invocationArgList.add(xSc); + + for (int i = 0; i < params.length; i++) { + scriptDesc.addArgumentType(params[ i ].getClass()); + invocationArgList.add(params[ i ]); + } + + if (!invocationArgList.isEmpty()) { + invocationArgs = invocationArgList.toArray(); + } + + LogUtils.DEBUG("ScriptProxy starting... "); + ScriptProxy script = null; + + try { + + String className = metaData.getLanguageName().substring(0, + metaData.getLanguageName().lastIndexOf('.')); + + LogUtils.DEBUG("About to load Class " + className + " starting... "); + + long start = new java.util.Date().getTime(); + Class<?> c = scriptLoader.loadClass(className); + long end = new java.util.Date().getTime(); + + LogUtils.DEBUG("loadClass took: " + (end - start) + "milliseconds"); + + try { + LogUtils.DEBUG("class loaded ... "); + script = m_resolutionPolicy.getProxy(scriptDesc, c); + LogUtils.DEBUG("script resolved ... "); + } catch (NoSuchMethodException e) { + // Framework error + ScriptFrameworkErrorException e2 = new ScriptFrameworkErrorException( + e.toString(), null, metaData.getLanguageName(), + metaData.getLanguage(), ScriptFrameworkErrorType.NO_SUCH_SCRIPT); + e2.initCause(e); + throw e2; + } + } catch (ClassNotFoundException e) { + // Framework error + ScriptFrameworkErrorException e2 = new ScriptFrameworkErrorException( + e.toString(), null, metaData.getLanguageName(), + metaData.getLanguage(), ScriptFrameworkErrorType.NO_SUCH_SCRIPT); + e2.initCause(e); + throw e2; + } + + LogUtils.DEBUG("Starting Invoke on Proxy ..."); + Object result = null; + + try { + long start = new java.util.Date().getTime(); + result = script.invoke(invocationArgs); + long end = new java.util.Date().getTime(); + LogUtils.DEBUG("invoke took: " + (end - start) + "milliseconds"); + } catch (java.lang.IllegalArgumentException iae) { + ScriptFrameworkErrorException e2 = new ScriptFrameworkErrorException( + iae.getMessage(), null, metaData.getLanguageName(), + metaData.getLanguage(), ScriptFrameworkErrorType.UNKNOWN); + e2.initCause(iae); + throw e2; + } catch (java.lang.IllegalAccessException ia) { + ScriptFrameworkErrorException e2 = new ScriptFrameworkErrorException( + ia.toString(), null, metaData.getLanguageName(), + metaData.getLanguage(), ScriptFrameworkErrorType.UNKNOWN); + e2.initCause(ia); + throw e2; + } catch (java.lang.reflect.InvocationTargetException ite) { + Throwable targetException = ite.getTargetException(); + + ScriptExceptionRaisedException se = + new ScriptExceptionRaisedException(targetException.toString()); + + se.lineNum = -1; + se.scriptName = metaData.getLanguageName(); + se.language = "Java"; + se.exceptionType = targetException.getClass().getName(); + + throw new com.sun.star.reflection.InvocationTargetException( + "Scripting Framework error executing script ", null, se); + + } catch (Exception unknown) { + ScriptExceptionRaisedException se = + new ScriptExceptionRaisedException(unknown.toString()); + se.lineNum = -1; + se.scriptName = metaData.getLanguageName(); + se.language = "Java"; + se.exceptionType = unknown.getClass().getName(); + throw new com.sun.star.reflection.InvocationTargetException( + "Scripting Framework error executing script ", null, se); + } + + if (result == null) { + LogUtils.DEBUG("Got Nothing Back"); + // in the case where there is no return type + Any voidAny = new Any(new Type(), null); + result = voidAny; + } else { + LogUtils.DEBUG("Got object " + result); + } + + return result; + } +}
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