root / branches / v2_0_0_prep / libraries / libDXF / src / org / gvsig / dxf / io / DxfGroup.java @ 29630
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/*
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* Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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*
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* Copyright (C) 2004-5.
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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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* cresques@gmail.com
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*/
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package org.gvsig.dxf.io; |
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import java.io.BufferedReader; |
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import java.io.IOException; |
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import java.text.DecimalFormat; |
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import java.text.DecimalFormatSymbols; |
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import java.util.Locale; |
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/**
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* Grupo Dxf (code, data). Auxiliar para leer ficheros dxf
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*
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* @author "Luis W. Sevilla" <sevilla_lui@gva.es>
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* @author "Michel Michaud" (code from)
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*/
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public class DxfGroup { |
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/*
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def get_group(handle):
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_code = int(handle.readline())
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_dfun = get_data_type(_code)
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_data = _dfun(handle.readline())
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return (_code, _data)
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*/
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private static final DecimalFormatSymbols dfs = new DecimalFormatSymbols(Locale.US); |
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private static final DecimalFormat[] decimalFormats = new DecimalFormat[] { |
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new DecimalFormat("#0", |
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dfs), |
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new DecimalFormat("#0.0", |
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dfs), |
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new DecimalFormat("#0.00", |
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dfs), |
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new DecimalFormat("#0.000", |
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dfs), |
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new DecimalFormat("#0.0000", |
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dfs), |
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new DecimalFormat("#0.00000", |
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dfs), |
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new DecimalFormat("#0.000000", |
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dfs), |
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new DecimalFormat("#0.0000000", |
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dfs), |
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new DecimalFormat("#0.00000000", |
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dfs), |
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new DecimalFormat("#0.000000000", |
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dfs), |
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new DecimalFormat("#0.0000000000", |
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dfs), |
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new DecimalFormat("#0.00000000000", |
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dfs), |
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new DecimalFormat("#0.000000000000", |
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dfs) |
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}; |
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int code;
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Object data;
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/**
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* Constructor por defecto.
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*/
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public DxfGroup() {
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code = -1;
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data = null;
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} |
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/**
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* Constructor habitual. Representa una entidad individual dentro del DXF
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* @param code, ?ndice del dato dentro del DxfGroup
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* @param data, el propio dato que queda almacenado en el DxfGroup
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*/
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public DxfGroup(int code, String data) { |
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this.code = code;
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this.data = data;
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} |
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/**
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* Lee una entidad del DXF y la empaqueta en un DxfGroup.
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* @param fi, BufferedReader mediante el cual accedemos al DXF
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* @return DxfGroup con la informaci?n procedente del DXF
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* @throws NumberFormatException
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* @throws IOException
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*/
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public static DxfGroup read(BufferedReader fi) |
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throws NumberFormatException, IOException { |
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DxfGroup grp = null;
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String txt = fi.readLine();
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if (txt != null) { |
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if (!txt.equals("")) { |
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grp = new DxfGroup();
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grp.code = Integer.parseInt(txt.trim());
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grp.readData(fi); |
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} else {
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// Se trata de una linea en blanco y no se hace nada.
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} |
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} |
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return grp;
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} |
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/**
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* Devuelve el code
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* @return
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*/
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public int getCode() { |
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return code;
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} |
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/**
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* Devuelve data
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* @return
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*/
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public Object getData() { |
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return data;
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} |
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/**
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* Lee un dato individual dentro de un DxfGroup
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* @param fi, BufferedReader
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* @throws IOException
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*/
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private void readData(BufferedReader fi) throws IOException { |
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String txt = fi.readLine().trim();
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if ((0 <= code) && (code <= 9)) { |
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data = txt; //_dfun = string_data
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} else if ((10 <= code) && (code <= 59)) { |
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data = new Double(Double.parseDouble(txt)); //_dfun = float_data |
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} else if ((60 <= code) && (code <= 79)) { |
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try {
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data = new Integer(Integer.parseInt(txt)); //_dfun = int_data // 16-bit int |
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} catch (java.lang.NumberFormatException e) {
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data = new Integer((int) Double.parseDouble(txt)); |
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} |
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} else if ((90 <= code) && (code <= 99)) { |
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data = new Integer(Integer.parseInt(txt)); //_dfun = int_data // 32-bit int |
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} else if (code == 100) { |
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data = txt; //_dfun = unicode_data
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} else if (code == 102) { |
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// Fran: Comentado para ganar velocidad.
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//System.err.println("Dxf: codigo " + code + " no implementado."); //_dfun = unicode_data
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} else if (code == 105) { |
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data = txt; |
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; //_dfun = handle_data
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} else if ((110 <= code) && (code <= 139)) { |
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data = new Double(Double.parseDouble(txt)); //_dfun = float_data // not in dxf spec |
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} else if ((140 <= code) && (code <= 149)) { // says 147 in dxf spec |
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data = new Double(Double.parseDouble(txt)); //_dfun = float_data |
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} else if ((170 <= code) && (code <= 179)) { // says 175 in dxf spec |
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data = new Integer(Integer.parseInt(txt)); //_dfun = int_data // 16-bit int |
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} else if ((210 <= code) && (code <= 239)) { |
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data = new Double(Double.parseDouble(txt)); //_dfun = float_data // del TEXT procendente de exportacion de microstation |
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} else if ((270 <= code) && (code <= 279)) { |
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data = new Integer(Integer.parseInt(txt)); //_dfun = int_data // not in dxf spec |
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} else if ((280 <= code) && (code <= 289)) { |
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data = new Integer(Integer.parseInt(txt)); //_dfun = int_data // 8-bit int |
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} else if ((290 <= code) && (code <= 299)) { |
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data = new Boolean(Boolean.getBoolean(txt)); //_dfun = bool_data |
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} else if ((300 <= code) && (code <= 309)) { |
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data = txt; //_dfun = string_data
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} else if ((310 <= code) && (code <= 319)) { |
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//_dfun = bin_data
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//throw new IOException("Dxf: codigo "+code+" no implementado.");
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} else if ((320 <= code) && (code <= 329)) { |
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//_dfun = handle_data
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//throw new IOException("Dxf: codigo "+code+" no implementado.");
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} else if ((330 <= code) && (code <= 369)) { |
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// Fran: Comentado para ganar velocidad.
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//System.err.println("Dxf: codigo " + code + " no implementado."); //_dfun = hex_data
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} else if ((370 <= code) && (code <= 379)) { |
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data = new Integer(Integer.parseInt(txt)); //_dfun = int_data // 8-bit int |
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} else if ((380 <= code) && (code <= 389)) { |
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data = new Integer(Integer.parseInt(txt)); //_dfun = int_data // 8-bit int |
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} else if ((390 <= code) && (code <= 399)) { |
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data = txt; //_dfun = handle_data
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} else if ((400 <= code) && (code <= 409)) { |
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data = new Integer(Integer.parseInt(txt)); //_dfun = int_data // 16-bit int |
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} else if ((410 <= code) && (code <= 419)) { |
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data = txt; //_dfun = string_data
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} else if (code == 999) { |
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data = txt; //_dfun = string_data // comment
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} else if ((1000 <= code) && (code <= 1009)) { |
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data = txt; //_dfun = string_data
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} else if ((1010 <= code) && (code <= 1059)) { |
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data = new Double(Double.parseDouble(txt)); //_dfun = float_data |
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} else if ((1060 <= code) && (code <= 1070)) { |
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data = new Integer(Integer.parseInt(txt)); //_dfun = int_data // 16-bit int |
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} else if (code == 1071) { |
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data = new Integer(Integer.parseInt(txt)); //_dfun = int_data # 32-bit int |
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} else {
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throw new IOException("DxfReader: c?digo " + code + |
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" desconocido.");
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//raise ValueError, "Unexpected code: %d" % code
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} |
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//return _dfun
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} |
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/**
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* Permite comparar dos objetos de la clase DxfGroup
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* @param c, code
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* @param s, data
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* @return boolean
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*/
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public boolean equals(int c, String s) { |
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if ((c == code) && (s.compareTo((String) data) == 0)) { |
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return true; |
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} |
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return false; |
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} |
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/**
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* Devuelve un dato concreto en forma de String tabulado
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* @param code
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* @return String
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*/
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public static String int34car(int code) { |
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if (code < 10) { |
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return " " + Integer.toString(code); |
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} else if (code < 100) { |
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return " " + Integer.toString(code); |
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} else {
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return Integer.toString(code); |
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} |
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} |
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/**
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* Devuelve un dato concreto en forma de String tabulado
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* @param value
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* @return String
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*/
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public static String int6car(int value) { |
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String s = " " + Integer.toString(value); |
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return s.substring(s.length() - 6, s.length()); |
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} |
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/**
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* Convierte a String un dato del DxfGroup
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* @param code
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* @param value
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* @return String
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*/
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public static String toString(int code, String value) { |
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return int34car(code) + "\r\n" + value + "\r\n"; |
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} |
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/**
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* Convierte a String un dato del DxfGroup
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* @param code
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* @param value
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* @return String
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*/
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public static String toString(int code, int value) { |
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return int34car(code) + "\r\n" + int6car(value) + "\r\n"; |
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} |
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/**
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* Convierte a String un dato del DxfGroup
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* @param code
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* @param value
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* @param decimalPartLength
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* @return String
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*/
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public static String toString(int code, float value, int decimalPartLength) { |
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return int34car(code) + "\r\n" + |
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decimalFormats[decimalPartLength].format((double) value) +
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"\r\n";
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} |
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/**
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* Convierte a String un dato del DxfGroup
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* @param code
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* @param value
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* @param decimalPartLength
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* @return String
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*/
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public static String toString(int code, double value, int decimalPartLength) { |
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return int34car(code) + "\r\n" + |
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decimalFormats[decimalPartLength].format(value) + "\r\n";
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} |
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/**
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* Convierte a String un dato del DxfGroup
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* @param code
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* @param value
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* @return String
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*/
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public static String toString(int code, Object value) { |
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if (value instanceof String) { |
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return toString(code, (String) value); |
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} else if (value instanceof Integer) { |
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return toString(code, ((Integer) value).intValue()); |
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} else if (value instanceof Double) { |
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return toString(code, ((Double) value).floatValue(), 3); |
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} else if (value instanceof Double) { |
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return toString(code, ((Double) value).doubleValue(), 6); |
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} else {
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return toString(code, value.toString());
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} |
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} |
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/**
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* Convierte a String un dato del DxfGroup
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*/
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public String toString() { |
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return toString(code, data);
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} |
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/**
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* jmorell: Permite rellenar los datos. ?til en la escritura de DXFs.
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* @param data The data to set.
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*/
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public void setData(Object data) { |
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this.data = data;
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} |
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/**
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* jmorell: Permite rellenar los c?digos. ?til en la escritura de DXFs.
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* @param code The code to set.
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*/
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public void setCode(int code) { |
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this.code = code;
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} |
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} |