root / trunk / libraries / libArcIMS / src / org / gvsig / remoteClient / arcims / utils / ArcImsReader.java @ 8109
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2006 Prodevelop and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* Prodevelop Integraci?n de Tecnolog?as SL
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* Conde Salvatierra de ?lava , 34-10
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* 46004 Valencia
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* Spain
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*
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* +34 963 510 612
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* +34 963 510 968
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* gis@prodevelop.es
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* http://www.prodevelop.es
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*/
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package org.gvsig.remoteClient.arcims.utils; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.InputStreamReader; |
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public class ArcImsReader extends InputStreamReader { |
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private char codigoB; |
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private char codigoM; |
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public ArcImsReader(InputStream in, char codigoB, char codigoM) { |
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super(in);
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this.codigoB = codigoB;
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this.codigoM = codigoM;
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} |
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/**
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* Read a single character.
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*
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* @return The character read, or -1 if the end of the stream has been
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* reached
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*
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* @exception IOException If an I/O error occurs
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*/
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public int read() throws IOException { |
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int sup = super.read(); |
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if (sup == (int) codigoM) { |
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return (int) codigoB; |
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} else {
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return sup;
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} |
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} |
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/**
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* Read characters into a portion of an array.
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*
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* @param cbuf Destination buffer
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* @param offset Offset at which to start storing characters
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* @param length Maximum number of characters to read
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*
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* @return The number of characters read, or -1 if the end of the
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* stream has been reached
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*
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* @exception IOException If an I/O error occurs
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*/
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public int read(char[] cbuf, int off, int len) throws IOException { |
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synchronized (lock) {
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int n = super.read(cbuf, off, len); |
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for (int i = off; i < (off + n); i++) { |
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char c = cbuf[i];
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if (c == codigoM) {
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cbuf[i] = codigoB; |
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} |
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} |
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return n;
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} |
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} |
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} |