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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.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.io.XInputStream;
import com.sun.star.io.XOutputStream;
import com.sun.star.io.XStream;
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 bellyup exception: " + e);
}
}
}
public XModel getModelForURL(String url) {
//TODO does not cater for untitled documents
return modelMap.get(url);
}
}
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