author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 00:15:44 +0200 | |
changeset 0 | 05da4621cfb2 |
permissions | -rw-r--r-- |
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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: String pool for DOM Externalizer. |
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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.ByteArrayOutputStream; |
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import java.io.IOException; |
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import java.util.Vector; |
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/** |
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* String pool is a set of strings where a string is only listed once. |
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*/ |
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public class StringPool |
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{ |
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|
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// The pool for storing the strings |
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private Vector iStringPool; |
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/** |
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* Constructor. |
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*/ |
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public StringPool() |
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{ |
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iStringPool = new Vector(); |
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} |
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|
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/** |
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* Add a string to the pool. Each string is added only once. |
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* @param aString String to add |
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* @return Index in the pool |
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*/ |
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public int addString( String aString ) |
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{ |
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if( aString == null ) |
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{ |
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aString = ""; |
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} |
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if( !iStringPool.contains( aString ) ) |
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{ |
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iStringPool.addElement( aString ); |
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} |
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return iStringPool.lastIndexOf( aString ); |
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} |
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/** |
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* Get a string from the pool. |
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* @param aIndex Index number of the string |
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* @return The requested string |
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*/ |
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public String getString( int aIndex ) |
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{ |
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return ( String ) iStringPool.elementAt( aIndex ); |
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} |
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/** |
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* Get string pool contents in a byte array. |
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* @return String pool contents in a byte array |
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* @throws IOException if writing to a stream fails |
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* @throws ODTException if writing to a stream fails |
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*/ |
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public byte[] toByteArray() throws IOException, ODTException |
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{ |
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ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
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ODTDataOutputStream dos = new ODTDataOutputStream( baos ); |
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int count = iStringPool.size(); |
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byte[] result = null; |
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try |
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{ |
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// Write string count and each string to the stream |
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dos.writeInt16( count ); |
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for( int i = 0; i < count; i++ ) |
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{ |
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String string = ( String ) iStringPool.elementAt( i ); |
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dos.writeInt16( string.length() ); |
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dos.writeString8( string ); |
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} |
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result = baos.toByteArray(); |
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} |
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finally |
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{ |
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if( dos != null ) |
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{ |
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dos.close(); |
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} |
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if( baos != null ) |
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{ |
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baos.close(); |
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} |
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} |
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108 |
|
05da4621cfb2
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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return result; |
05da4621cfb2
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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changeset
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110 |
} |
05da4621cfb2
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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111 |
|
05da4621cfb2
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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112 |
} |