359 lines
12 KiB
Java
359 lines
12 KiB
Java
/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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package util;
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// access the implementations via names
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import com.sun.star.uno.UnoRuntime;
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import java.io.PrintWriter ;
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import com.sun.star.registry.XRegistryKey ;
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import com.sun.star.registry.XSimpleRegistry ;
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import com.sun.star.registry.RegistryKeyType ;
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import com.sun.star.registry.RegistryValueType ;
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import com.sun.star.registry.InvalidRegistryException ;
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import com.sun.star.lang.XMultiServiceFactory ;
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import com.sun.star.uno.Exception;
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public class RegistryTools {
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/**
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* Creates 'com.sun.star.registry.SimpleRegistry'
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* service.
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* @param xMSF Multiservice factory.
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* @return Service created.
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*/
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public static XSimpleRegistry createRegistryService
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(XMultiServiceFactory xMSF) throws com.sun.star.uno.Exception {
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Object oInterface = xMSF.createInstance
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("com.sun.star.registry.SimpleRegistry");
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return UnoRuntime.queryInterface (
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XSimpleRegistry.class, oInterface) ;
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}
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/**
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* Opens registry file for reading/writing. If file doesn't
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* exist a new one created.
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* @param file Registry file name.
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* @param xMSF Multiservice factory.
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* @return Opened registry.
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*/
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public static XSimpleRegistry openRegistry
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(String file, XMultiServiceFactory xMSF)
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throws com.sun.star.uno.Exception {
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XSimpleRegistry reg = createRegistryService(xMSF) ;
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reg.open(file, false, true) ;
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return reg ;
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}
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/**
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* Compares two registry keys, their names, value
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* types and values.
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* return <code>true</code> if key names, value types
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* and values are equal, else returns <code>false</code>.
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*/
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private static boolean compareKeys
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(XRegistryKey key1, XRegistryKey key2) {
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if (key1 == null || key2 == null ||
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!key1.isValid() || !key2.isValid())
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return false ;
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String keyName1 = getShortKeyName(key1.getKeyName()) ;
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String keyName2 = getShortKeyName(key2.getKeyName()) ;
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if (!keyName1.equals(keyName2)) return false ;
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try {
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if (key1.getValueType() != key2.getValueType()) return false ;
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} catch (InvalidRegistryException e) {
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return false ;
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}
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RegistryValueType type ;
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try {
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type = key1.getValueType() ;
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if (type.equals(RegistryValueType.ASCII)) {
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if (!key1.getAsciiValue().equals(key2.getAsciiValue()))
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return false ;
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} else
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if (type.equals(RegistryValueType.STRING)) {
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if (!key1.getStringValue().equals(key2.getStringValue()))
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return false ;
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} else
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if (type.equals(RegistryValueType.LONG)) {
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if (key1.getLongValue() != key2.getLongValue())
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return false ;
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} else
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if (type.equals(RegistryValueType.BINARY)) {
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byte[] bin1 = key1.getBinaryValue() ;
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byte[] bin2 = key2.getBinaryValue() ;
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if (bin1.length != bin2.length)
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return false ;
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for (int i = 0; i < bin1.length; i++)
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if (bin1[i] != bin2[i]) return false ;
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} else
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if (type.equals(RegistryValueType.ASCIILIST)) {
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String[] list1 = key1.getAsciiListValue() ;
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String[] list2 = key2.getAsciiListValue() ;
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if (list1.length != list2.length)
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return false ;
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for (int i = 0; i < list1.length; i++)
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if (!list1[i].equals(list2[i])) return false ;
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} else
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if (type.equals(RegistryValueType.STRINGLIST)) {
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String[] list1 = key1.getStringListValue() ;
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String[] list2 = key2.getStringListValue() ;
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if (list1.length != list2.length)
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return false ;
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for (int i = 0; i < list1.length; i++)
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if (!list1[i].equals(list2[i])) return false ;
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} else
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if (type.equals(RegistryValueType.LONGLIST)) {
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int[] list1 = key1.getLongListValue() ;
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int[] list2 = key2.getLongListValue() ;
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if (list1.length != list2.length)
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return false ;
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for (int i = 0; i < list1.length; i++)
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if (list1[i] != list2[i]) return false ;
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}
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} catch (Exception e) {
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return false ;
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}
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return true ;
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}
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/**
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* Gets name of the key relative to its parent.
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* For example if full name of key is '/key1/subkey'
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* short key name is 'subkey'
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* @param keyName Full key name.
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* @return Short key name.
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*/
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private static String getShortKeyName(String keyName) {
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if (keyName == null) return null ;
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int idx = keyName.lastIndexOf('/') ;
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if (idx < 0) return keyName ;
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else return keyName.substring(idx + 1) ;
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}
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/**
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* Compare all child keys.
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* @param compareRoot If <code>true</code> method also
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* compare root keys, if <code>false</code> it begins recursive
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* comparing from children of root keys.
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* @return <code>true</code> if keys and their sub keys are equal.
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*/
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private static boolean compareKeyTrees
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(XRegistryKey tree1, XRegistryKey tree2, boolean compareRoot) {
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if (compareRoot && !compareKeys(tree1, tree2)) return false ;
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try {
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String[] keyNames1 = tree1.getKeyNames() ;
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String[] keyNames2 = tree2.getKeyNames() ;
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if (keyNames1 == null && keyNames2 == null) return true ;
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if (keyNames1 == null || keyNames2 == null ||
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keyNames2.length != keyNames1.length)
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return false ;
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for (int i = 0; i < keyNames1.length; i++) {
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String keyName = getShortKeyName(keyNames1[i]) ;
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XRegistryKey key2 = tree2.openKey(keyName) ;
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if (key2 == null)
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// key with the same name doesn't exist in the second tree
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return false ;
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if (!tree1.getKeyType(keyName).equals(
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tree2.getKeyType(keyName)))
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return false ;
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if (tree1.getKeyType(keyName).equals(
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RegistryKeyType.LINK)) {
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if (!getShortKeyName(tree1.getLinkTarget(keyName)).equals(
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getShortKeyName(tree2.getLinkTarget(keyName))))
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return false ;
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} else {
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if (!compareKeyTrees(tree1.openKey(keyName),
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tree2.openKey(keyName), true)) return false ;
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}
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}
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} catch (InvalidRegistryException e) {
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return false ;
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}
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return true ;
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}
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/**
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* Compare keys specified and all their child keys.
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* @return <code>true</code> if keys and their sub keys are equal.
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*/
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public static boolean compareKeyTrees
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(XRegistryKey tree1, XRegistryKey tree2) {
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return compareKeyTrees(tree1, tree2, false) ;
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}
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/**
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* Prints to a specified output about all keys and subkeys information
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* (key name, type, value, link target, attributes) recursively.
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* @param reg Registry for which information is needed.
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* @param out Output stream.
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*/
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public static void printRegistryInfo(XSimpleRegistry reg, PrintWriter out) {
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try {
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printRegistryInfo(reg.getRootKey(), out) ;
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} catch (com.sun.star.registry.InvalidRegistryException e) {
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out.println("!!! Can't open root registry key for info printing") ;
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}
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}
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/**
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* Prints to a specified output about all keys and subkeys information
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* (key name, type, value, link target, attributes) recursively.
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* @param root Key for which subkeys (and further) information is required.
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* @param out Output stream.
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*/
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public static void printRegistryInfo(XRegistryKey root, PrintWriter out) {
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if (root == null) {
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out.println("/(null)") ;
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return ;
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}
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out.println("/") ;
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try {
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printTreeInfo(root, out, " ") ;
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} catch (com.sun.star.registry.InvalidRegistryException e) {
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out.println("Exception accessing registry :") ;
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e.printStackTrace(out) ;
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}
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}
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private static void printTreeInfo(XRegistryKey key,
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PrintWriter out, String margin)
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throws com.sun.star.registry.InvalidRegistryException {
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String[] subKeys = key.getKeyNames() ;
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if (subKeys == null || subKeys.length == 0) return ;
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for (int i = 0; i < subKeys.length; i++) {
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printKeyInfo(key, subKeys[i], out, margin) ;
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XRegistryKey subKey = key.openKey
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(getShortKeyName(subKeys[i])) ;
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printTreeInfo(subKey, out, margin + " ") ;
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subKey.closeKey() ;
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}
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}
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private static void printKeyInfo(XRegistryKey parentKey,
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String keyName, PrintWriter out, String margin)
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throws com.sun.star.registry.InvalidRegistryException {
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out.print(margin) ;
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keyName = getShortKeyName(keyName) ;
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XRegistryKey key = parentKey.openKey(keyName) ;
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if (key != null)
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out.print("/" + getShortKeyName(key.getKeyName()) + " ") ;
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else {
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out.println("(null)") ;
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return ;
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}
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if (!key.isValid()) {
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out.println("(not valid)") ;
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return ;
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}
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if (key.isReadOnly()) {
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out.print("(read only) ") ;
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}
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if (parentKey.getKeyType(keyName) == RegistryKeyType.LINK) {
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out.println("(link to " + parentKey.getLinkTarget(keyName) + ")") ;
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return ;
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}
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RegistryValueType type ;
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try {
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type = key.getValueType() ;
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if (type.equals(RegistryValueType.ASCII)) {
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out.println("[ASCII] = '" + key.getAsciiValue() + "'") ;
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} else
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if (type.equals(RegistryValueType.STRING)) {
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out.println("[STRING] = '" + key.getStringValue() + "'") ;
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} else
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if (type.equals(RegistryValueType.LONG)) {
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out.println("[LONG] = " + key.getLongValue()) ;
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} else
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if (type.equals(RegistryValueType.BINARY)) {
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out.print("[BINARY] = {") ;
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byte[] bin = key.getBinaryValue() ;
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for (int i = 0; i < bin.length; i++)
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out.print(bin[i] + ",") ;
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out.println("}") ;
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} else
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if (type.equals(RegistryValueType.ASCIILIST)) {
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out.print("[ASCIILIST] = {") ;
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String[] list = key.getAsciiListValue() ;
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for (int i = 0; i < list.length; i++)
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out.print("'" + list[i] + "',") ;
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out.println("}") ;
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} else
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if (type.equals(RegistryValueType.STRINGLIST)) {
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out.print("[STRINGLIST] = {") ;
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String[] list = key.getStringListValue() ;
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for (int i = 0; i < list.length; i++)
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out.print("'" + list[i] + "',") ;
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out.println("}") ;
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} else
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if (type.equals(RegistryValueType.LONGLIST)) {
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out.print("[LONGLIST] = {") ;
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int[] list = key.getLongListValue() ;
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for (int i = 0; i < list.length; i++)
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out.print(list[i] + ",") ;
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out.println("}") ;
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} else {
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out.println("") ;
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}
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} catch (com.sun.star.uno.Exception e) {
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out.println("Exception occurred : ") ;
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e.printStackTrace(out) ;
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} finally {
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key.closeKey() ;
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}
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}
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}
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