author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:32:13 +0100 | |
branch | RCL_3 |
changeset 33 | 04b7640f6fb5 |
parent 0 | 05da4621cfb2 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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|
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package com.nokia.tools.themeinstaller.odtconverter; |
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|
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.IOException; |
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import java.net.URL; |
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import java.util.Properties; |
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|
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/** |
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* Properties for ODT to XML converter |
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* @author jutarhon |
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*/ |
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public class ConverterProperties extends Properties |
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{ |
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/** |
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* Default serial version UID |
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*/ |
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private static final long serialVersionUID = 1L; |
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private static final String PROPERTY_FILE = |
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"data" + File.separatorChar + "ThemeInstaller.prop"; |
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private static ConverterProperties sInstance = null; |
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private static String sPropFileName = null; |
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|
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/** |
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* Default constructor, loads the properties from default place |
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* @throws IOException If default file is not found or some other IO error occurs |
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*/ |
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public ConverterProperties() throws IOException |
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{ |
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// Get the execution location |
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URL resource = |
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getClass().getProtectionDomain().getCodeSource().getLocation(); |
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File bin = new File( resource.getPath() ); |
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|
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// Load properties from the Theme Installation directory |
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loadProperties( new File( |
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bin.getParent() + File.separatorChar + PROPERTY_FILE ) ); |
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} |
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|
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/** |
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* Constructor with specified properties file |
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* @param aFile File to read |
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* @throws IOException If given file is not found or some other IO error occurs |
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*/ |
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public ConverterProperties( File aFile ) throws IOException |
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{ |
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loadProperties( aFile ); |
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} |
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/** |
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* Constructor with default values |
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* @param aDefaults Default properties values |
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* @throws IOException If default file is not found or some other IO error occurs |
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*/ |
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public ConverterProperties( Properties aDefaults ) throws IOException |
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{ |
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super( aDefaults ); |
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loadProperties( new File( PROPERTY_FILE ) ); |
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} |
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|
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/** |
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* Loads the properties from file |
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* @param aFile File to read |
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* @throws IOException If given file is not found or some other IO error occurs |
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*/ |
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protected void loadProperties( File aFile ) throws IOException |
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{ |
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FileInputStream file = null; |
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try |
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{ |
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file = new FileInputStream( aFile ); |
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load( file ); |
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} |
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finally |
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{ |
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if( file != null ) |
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{ |
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file.close(); |
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} |
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} |
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} |
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|
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/** |
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* Singleton method for getting the ConverterProperties instance. Note that |
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* the initialize method must be called before this one. |
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* @return ConverterProperties instance |
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* @throws IllegalStateException if this method has been called before |
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* initialize has been called. |
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*/ |
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public static ConverterProperties getInstance() |
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{ |
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if( sInstance == null ) |
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{ |
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throw new IllegalStateException( "Converter Properties: " + |
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"Initialize must be called before the properties " + |
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"can be used" ); |
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} |
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|
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return sInstance; |
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} |
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|
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/** |
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* Initialize method for constructing and reading the properties. The |
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* properties are re-initialized only if the given property file differs |
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* from the one used in the previous initialization. |
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* @param aPropFile Properties file |
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* @throws IOException If required properties can not be read from the |
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* property file. |
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*/ |
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public static void initialize( File aPropFile ) |
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throws IOException |
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{ |
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// Already initialized if: |
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// sInstance is not null AND |
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// sPropFileName equals with aPropFile |
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if( sInstance != null && |
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( sPropFileName != null && aPropFile != null && sPropFileName.equals( aPropFile.getPath() ) || |
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( sPropFileName == null && aPropFile == null ) ) ) |
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{ |
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return; |
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} |
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|
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// Create a new instance |
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if( aPropFile == null ) |
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{ |
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sInstance = new ConverterProperties(); |
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sPropFileName = null; |
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} |
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else |
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{ |
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sInstance = new ConverterProperties( aPropFile ); |
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sPropFileName = aPropFile.getPath(); |
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} |
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} |
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} |