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Diffstat (limited to '')
-rw-r--r-- | scripting/java/com/sun/star/script/framework/io/XStorageHelper.java | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/scripting/java/com/sun/star/script/framework/io/XStorageHelper.java b/scripting/java/com/sun/star/script/framework/io/XStorageHelper.java new file mode 100644 index 000000000..79c5f10bc --- /dev/null +++ b/scripting/java/com/sun/star/script/framework/io/XStorageHelper.java @@ -0,0 +1,249 @@ +/* + * 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.io; + +import com.sun.star.beans.XPropertySet; + +import com.sun.star.container.XNameAccess; + +import com.sun.star.document.XDocumentSubStorageSupplier; + +import com.sun.star.embed.XStorage; +import com.sun.star.embed.XTransactedObject; + +import com.sun.star.frame.XModel; + +import com.sun.star.lang.EventObject; +import com.sun.star.lang.XComponent; +import com.sun.star.lang.XEventListener; + +import com.sun.star.script.framework.log.LogUtils; +import com.sun.star.script.framework.provider.PathUtils; + +import com.sun.star.uno.AnyConverter; +import com.sun.star.uno.UnoRuntime; +import com.sun.star.uno.XInterface; + +import java.io.IOException; + +import java.util.HashMap; +import java.util.Map; +import java.util.StringTokenizer; + +public class XStorageHelper implements XEventListener { + + XStorage[] xStorages; + static Map<String, XModel> modelMap = new HashMap<String, XModel>(); + XModel xModel = null; + private static XStorageHelper listener = new XStorageHelper(); + + private XStorageHelper() {} + + public XStorageHelper(String path, int mode, + boolean create) throws IOException { + + String modelUrl = null; + int indexOfScriptsDir = path.lastIndexOf("Scripts"); + + if (indexOfScriptsDir > -1) { + modelUrl = path.substring(0, indexOfScriptsDir - 1); + path = path.substring(indexOfScriptsDir, path.length()); + } + + LogUtils.DEBUG("XStorageHelper ctor, path: " + path); + this.xModel = getModelForURL(modelUrl); + + try { + StringTokenizer tokens = new StringTokenizer(path, "/"); + + if (tokens.countTokens() == 0) { + throw new IOException("Invalid path"); + } + + XDocumentSubStorageSupplier xDocumentSubStorageSupplier = + UnoRuntime.queryInterface(XDocumentSubStorageSupplier.class, + xModel); + + xStorages = new XStorage[tokens.countTokens()]; + + LogUtils.DEBUG("XStorageHelper ctor, path chunks length: " + + xStorages.length); + + for (int i = 0; i < xStorages.length; i++) { + LogUtils.DEBUG("XStorageHelper, processing index " + i); + String name = tokens.nextToken(); + LogUtils.DEBUG("XStorageHelper, getting: " + name); + XStorage storage = null; + + if (i == 0) { + storage = xDocumentSubStorageSupplier.getDocumentSubStorage(name, mode); + + if (storage == null) { + LogUtils.DEBUG("** boo hoo Storage is null "); + } + + XPropertySet xProps = + UnoRuntime.queryInterface(XPropertySet.class, storage); + + if (xProps != null) { + + String mediaType = + AnyConverter.toString(xProps.getPropertyValue("MediaType")); + + LogUtils.DEBUG("***** media type is " + mediaType); + + if (!mediaType.equals("scripts")) { + xProps.setPropertyValue("MediaType", "scripts"); + } + } + } else { + + XNameAccess xNameAccess = + UnoRuntime.queryInterface(XNameAccess.class, xStorages[i - 1]); + + if (xNameAccess == null) { + disposeObject(); + throw new IOException("No name access " + name); + } else if (!xNameAccess.hasByName(name) + || !xStorages[i - 1].isStorageElement(name)) { + if (!create) { + disposeObject(); + throw new IOException("No subdir: " + name); + } else { + // attempt to create new storage + LogUtils.DEBUG("Attempt to create new storage for " + + name); + } + } + + storage = xStorages[i - 1].openStorageElement( + name, mode); + } + + if (storage == null) { + disposeObject(); + throw new IOException("storage not found: " + name); + } + + xStorages[i] = storage; + + } + } catch (com.sun.star.io.IOException ioe) { + disposeObject(); + } catch (com.sun.star.uno.Exception ex1) { + disposeObject(); + IOException ex2 = new IOException(); + ex2.initCause(ex1); + throw ex2; + } + } + + public synchronized static void addNewModel(XModel model) { + // TODO needs to cater for model for untitled document + modelMap.put(PathUtils.getOidForModel(model), model); + XComponent xComp = UnoRuntime.queryInterface(XComponent.class, model); + + if (xComp != null) { + try { + xComp.addEventListener(listener); + } catch (Exception e) { + // What TODO here ? + LogUtils.DEBUG(LogUtils.getTrace(e)); + } + } + } + + public void disposing(EventObject Source) { + XModel model = UnoRuntime.queryInterface(XModel.class, Source.Source); + + if (model != null) { + LogUtils.DEBUG(" Disposing doc " + model.getURL()); + modelMap.remove(PathUtils.getOidForModel(model)); + } + } + + public XStorage getStorage() { + return xStorages[ xStorages.length - 1 ]; + } + + public XModel getModel() { + return xModel; + } + + public void disposeObject() { + disposeObject(false); + } + + public void disposeObject(boolean shouldCommit) { + LogUtils.DEBUG("In disposeObject"); + + for (int i = xStorages.length - 1 ; i > -1; i--) { + LogUtils.DEBUG("In disposeObject disposing storage " + i); + + try { + XStorage xStorage = xStorages[i]; + + if (shouldCommit) { + commit(xStorage); + } + + disposeObject(xStorage); + LogUtils.DEBUG("In disposeObject disposed storage " + i); + } catch (Exception ignore) { + LogUtils.DEBUG("Exception disposing storage " + i); + } + + } + + } + + public static void disposeObject(XInterface xInterface) { + if (xInterface == null) { + return; + } + + XComponent xComponent = + UnoRuntime.queryInterface(XComponent.class, xInterface); + + if (xComponent == null) { + return; + } + + xComponent.dispose(); + } + + public static void commit(XInterface xInterface) { + + XTransactedObject xTrans = + UnoRuntime.queryInterface(XTransactedObject.class, xInterface); + + if (xTrans != null) { + try { + xTrans.commit(); + } catch (Exception e) { + LogUtils.DEBUG("Something went belly up exception: " + e); + } + } + } + + public XModel getModelForURL(String url) { + //TODO does not cater for untitled documents + return modelMap.get(url); + } +} |