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Viewing changes to eclox.core/src/eclox/core/doxyfiles/io/Serializer.java

  • Committer: Package Import Robot
  • Author(s): Graham Inggs
  • Date: 2013-07-07 20:33:10 UTC
  • Revision ID: package-import@ubuntu.com-20130707203310-a44yw80gqtc2s9ob
Tags: upstream-0.10.0
Import upstream version 0.10.0

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eclox.core/src/eclox/core/doxyfiles/io/Serializer.java
 
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/*******************************************************************************
 
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 * Copyright (C) 2003-2004, 2013, Guillaume Brocker
 
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 * 
 
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 * All rights reserved. This program and the accompanying materials
 
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 * are made available under the terms of the Eclipse Public License v1.0
 
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 * which accompanies this distribution, and is available at
 
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 * http://www.eclipse.org/legal/epl-v10.html
 
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 *
 
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 * Contributors:
 
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 *     Guillaume Brocker - Initial API and implementation
 
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 *
 
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 ******************************************************************************/ 
 
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package eclox.core.doxyfiles.io;
 
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import java.io.IOException;
 
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import java.io.InputStream;
 
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import java.util.Iterator;
 
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import eclox.core.doxyfiles.Chunk;
 
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import eclox.core.doxyfiles.Doxyfile;
 
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/**
 
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 * Implements a doxyfile content serializer.
 
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 * 
 
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 * @author willy
 
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 */
 
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public class Serializer extends InputStream {
 
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        /**
 
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         * an iterator on the doxyfile chunks
 
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         */
 
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        private Iterator chunkIterator;
 
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        /**
 
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         * a string buffer containing the next character to red
 
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         */
 
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        private StringBuffer stringBuffer;
 
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        /**
 
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         * Constructor
 
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         * 
 
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         * @param       doxyfile        a doxyfile to serialize
 
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         */
 
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        public Serializer( Doxyfile doxyfile ) {
 
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                this.chunkIterator = doxyfile.iterator();
 
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                this.stringBuffer = getNextStringBuffer();
 
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        }
 
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        public int read() throws IOException {
 
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                int     result;
 
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                if( stringBuffer != null ) {
 
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                        // Retrieves the next character from the current string buffer.
 
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                        result = stringBuffer.charAt( 0 );
 
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                        stringBuffer.deleteCharAt( 0 );
 
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                        // If the current string buffer has been entierly read, gets the next string buffer.
 
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                        if( stringBuffer.length() == 0 ) {
 
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                                stringBuffer = getNextStringBuffer();
 
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                        }
 
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                }
 
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                else {
 
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                        result = -1;
 
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                }
 
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                return result;
 
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        }
 
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        /**
 
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         * Retrieves the next string buffer to use for reading operations or null
 
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         * if no more chunk is left in the doxyfile.
 
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         * 
 
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         * @return      a string buffer or null of none
 
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         */
 
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        private StringBuffer getNextStringBuffer() {
 
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        // Pre-condition
 
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        assert chunkIterator != null;
 
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        // Retrieves the next string buffer.
 
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                StringBuffer result = null;
 
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                if( this.chunkIterator.hasNext() == true ) {
 
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                        Chunk   chunk = (Chunk) this.chunkIterator.next();
 
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                        result = new StringBuffer( chunk.toString() );
 
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                }
 
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                return result;
 
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        }
 
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}