Package com.eteks.furniturelibraryeditor.io

Source Code of com.eteks.furniturelibraryeditor.io.FurnitureLibraryFileRecorder

/*
* FurnitureLibraryFileRecorder.java 22 d�c. 2009
*
* Furniture Library Editor, Copyright (c) 2009 Emmanuel PUYBARET / eTeks <info@eteks.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
package com.eteks.furniturelibraryeditor.io;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.nio.charset.Charset;
import java.nio.charset.CharsetEncoder;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import java.util.Set;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;

import com.eteks.furniturelibraryeditor.model.FurnitureLibrary;
import com.eteks.furniturelibraryeditor.model.FurnitureLibraryRecorder;
import com.eteks.furniturelibraryeditor.model.FurnitureLibraryUserPreferences;
import com.eteks.sweethome3d.io.DefaultFurnitureCatalog;
import com.eteks.sweethome3d.model.CatalogPieceOfFurniture;
import com.eteks.sweethome3d.model.Content;
import com.eteks.sweethome3d.model.DoorOrWindow;
import com.eteks.sweethome3d.model.FurnitureCatalog;
import com.eteks.sweethome3d.model.FurnitureCategory;
import com.eteks.sweethome3d.model.InterruptedRecorderException;
import com.eteks.sweethome3d.model.Light;
import com.eteks.sweethome3d.model.LightSource;
import com.eteks.sweethome3d.model.RecorderException;
import com.eteks.sweethome3d.model.Sash;
import com.eteks.sweethome3d.tools.ResourceURLContent;
import com.eteks.sweethome3d.tools.TemporaryURLContent;
import com.eteks.sweethome3d.tools.URLContent;

/**
* Manages furniture library files.
* @author Emmanuel Puybaret
*/
public class FurnitureLibraryFileRecorder implements FurnitureLibraryRecorder {
  private static final String [] IGNORED_EXTENSIONS = {".max", ".lwo", ".dxf"};
  private static final Locale DEFAULT_LOCALE = new Locale("");
 
  private static final String DESCRIPTION = "description";
  private static final String VERSION     = "version";
  private static final String LICENSE     = "license";
  private static final String PROVIDER    = "provider";
 
  /**
   * Reads furniture library from the given file.
   */
  public void readFurnitureLibrary(final FurnitureLibrary furnitureLibrary,
                                   String furnitureLibraryName,
                                   FurnitureLibraryUserPreferences preferences) throws RecorderException {
    try {
      // Retrieve furniture library with default reader and locale
      Locale defaultLocale = Locale.getDefault();
      Locale.setDefault(DEFAULT_LOCALE);
      File furnitureLibraryFile = File.createTempFile("furniture", ".sh3f");
      furnitureLibraryFile.deleteOnExit();
      copyFile(new File(furnitureLibraryName), furnitureLibraryFile);     
      URL furnitureLibraryUrl = furnitureLibraryFile.toURI().toURL();
      String furnitureResourcesLocalDirectory = preferences.getFurnitureResourcesLocalDirectory();
      URL furnitureResourcesUrlBase = furnitureResourcesLocalDirectory != null
          ? new File(furnitureResourcesLocalDirectory).toURI().toURL()
          : null;
      final List<CatalogPieceOfFurniture> furniture = new ArrayList<CatalogPieceOfFurniture>();
      new DefaultFurnitureCatalog(new URL [] {furnitureLibraryUrl}, furnitureResourcesUrlBase) {
          @Override
          protected CatalogPieceOfFurniture readPieceOfFurniture(ResourceBundle resource,
                                                                 int index,
                                                                 URL furnitureCatalogUrl,
                                                                 URL furnitureResourcesUrlBase) {
            if (index == 1) {
              furnitureLibrary.setDescription(getOptionalString(resource, DESCRIPTION));
              furnitureLibrary.setVersion(getOptionalString(resource, VERSION));
              furnitureLibrary.setLicense(getOptionalString(resource, LICENSE));
              furnitureLibrary.setProvider(getOptionalString(resource, PROVIDER));
            }
            CatalogPieceOfFurniture piece = super.readPieceOfFurniture(resource, index, furnitureCatalogUrl, furnitureResourcesUrlBase);
            if (piece != null) {
              // Set furniture category through dummy catalog
              FurnitureCategory category = super.readFurnitureCategory(resource, index);
              new FurnitureCatalog() { }.add(category, piece);
              furniture.add(piece);
            }
            return piece;
          }
         
          private String getOptionalString(ResourceBundle resource, String propertyKey) {
            try {
              return resource.getString(propertyKey);
            } catch (MissingResourceException ex) {
              return null;
            }
          }
        };
     
      // Search which locales are supported
      List<ZipEntry> zipEntries = getZipEntries(furnitureLibraryUrl);
      Set<Locale>    supportedLocales = new HashSet<Locale>();
      for (ZipEntry zipEntry : zipEntries) {
        String entryName = zipEntry.getName();
        if (entryName.startsWith(DefaultFurnitureCatalog.PLUGIN_FURNITURE_CATALOG_FAMILY)
            && entryName.endsWith(".properties")) {
          supportedLocales.add(getLocale(entryName));
        }
      }

      // Replace furniture by the one read
      for (CatalogPieceOfFurniture piece : furnitureLibrary.getFurniture()) {
        furnitureLibrary.deletePieceOfFurniture(piece);
      }
      for (CatalogPieceOfFurniture piece : furniture) {
        furnitureLibrary.addPieceOfFurniture(piece);
      }

      // Get furniture name and category name in each supported locale
      for (Locale locale : supportedLocales) {
        if (!FurnitureLibrary.DEFAULT_LANGUAGE.equals(locale.toString())) {         
          Locale.setDefault(locale);
          final String language = locale.toString();
          new DefaultFurnitureCatalog(new URL [] {furnitureLibraryUrl}, furnitureResourcesUrlBase) {
              @Override
              protected CatalogPieceOfFurniture readPieceOfFurniture(ResourceBundle resource,
                                                                     int index,
                                                                     URL furnitureCatalogUrl,
                                                                     URL furnitureResourcesUrlBase) {
                CatalogPieceOfFurniture piece = super.readPieceOfFurniture(resource, index, furnitureCatalogUrl, furnitureResourcesUrlBase);
                if (piece != null) {
                  FurnitureCategory category = super.readFurnitureCategory(resource, index);
                  CatalogPieceOfFurniture furnitureLibraryPiece = furniture.get(index - 1);
                  furnitureLibrary.setPieceOfFurnitureLocalizedData(furnitureLibraryPiece, language,
                      FurnitureLibrary.FURNITURE_NAME_PROPERTY, piece.getName());
                  furnitureLibrary.setPieceOfFurnitureLocalizedData(furnitureLibraryPiece, language,
                      FurnitureLibrary.FURNITURE_DESCRIPTION_PROPERTY, piece.getDescription());
                  furnitureLibrary.setPieceOfFurnitureLocalizedData(furnitureLibraryPiece, language,
                      FurnitureLibrary.FURNITURE_CATEGORY_PROPERTY, category.getName());
                }
                return piece;
              }
            };
        }
      }
     
      Locale.setDefault(defaultLocale);
    } catch (IOException ex) {
      throw new RecorderException("Invalid furniture library file " + furnitureLibraryName, ex);
    } catch (MissingResourceException ex) {
      throw new RecorderException("Invalid furniture library file " + furnitureLibraryName, ex);
    }
  }

  /**
   * Returns the locale of the given properties file.
   */
  private Locale getLocale(String fileName) {
    String localeString = fileName.substring(DefaultFurnitureCatalog.PLUGIN_FURNITURE_CATALOG_FAMILY.length(),
        fileName.lastIndexOf(".properties"));
    if (localeString.matches("_\\w{2}")) {
      return new Locale(localeString.substring(1));
    } else if (localeString.matches("_\\w{2}_\\w{2}")) {
      return new Locale(localeString.substring(1, 3), localeString.substring(4));
    } else {
      return DEFAULT_LOCALE;
   
  }
 
  /**
   * Writes furniture library in the <code>furnitureLibraryName</code> file. 
   */
  public void writeFurnitureLibrary(FurnitureLibrary furnitureLibrary,
                                    String furnitureLibraryName,
                                    FurnitureLibraryUserPreferences userPreferences) throws RecorderException {
    writeFurnitureLibrary(furnitureLibrary, furnitureLibraryName,
        userPreferences.isFurnitureLibraryOffline(),
        userPreferences.isContentMatchingFurnitureName(),
        userPreferences.getFurnitureResourcesLocalDirectory(),
        userPreferences.getFurnitureResourcesRemoteURLBase());
  }

  /**
   * Writes furniture library .properties files in the <code>furnitureLibraryName</code> file.
   * @param offlineFurnitureLibrary if <code>offlineFurnitureLibrary</code> is <code>true</code> content
   *                       referenced by furniture is always embedded in the file
   * @param contentMatchingFurnitureName <code>true</code> if the furniture content saved with the library
   *                       should be named from the furniture name in the default language                     
   * @param furnitureResourcesLocalDirectory  directory where content referenced by furniture will be saved
   *                       if it isn't <code>null</code>
   * @param furnitureResourcesRemoteUrlBase   URL base used for content referenced by furniture in .properties file
   *                       if <code>furnitureResourcesLocalDirectory</code> isn't <code>null</code>             
   */
  private void writeFurnitureLibrary(FurnitureLibrary furnitureLibrary,
                                     String furnitureLibraryName,
                                     boolean offlineFurnitureLibrary,
                                     boolean contentMatchingFurnitureName,
                                     String  furnitureResourcesLocalDirectory,
                                     String  furnitureResourcesRemoteUrlBase) throws RecorderException {
    URL furnitureResourcesRemoteAbsoluteUrlBase = null;
    String furnitureResourcesRemoteRelativeUrlBase = null;
    if (!offlineFurnitureLibrary
        && furnitureResourcesLocalDirectory != null
        && furnitureResourcesRemoteUrlBase != null) {
      try {
        furnitureResourcesRemoteAbsoluteUrlBase = new URL(furnitureResourcesRemoteUrlBase);
      } catch (MalformedURLException ex) {
        // furnitureResourcesRemoteUrlBase is a relative URL
        int lastSlashIndex = furnitureResourcesRemoteUrlBase.lastIndexOf('/');
        if (lastSlashIndex != 1) {
          furnitureResourcesRemoteRelativeUrlBase = furnitureResourcesRemoteUrlBase.substring(0, lastSlashIndex + 1);
          furnitureResourcesLocalDirectory = new File(furnitureResourcesLocalDirectory, furnitureResourcesRemoteUrlBase).toString();
        } else {
          furnitureResourcesRemoteRelativeUrlBase = "";
        }
      }
    }
   
    ZipOutputStream zipOut = null;
    Map<Content, String> contentEntries = new HashMap<Content, String>();
    File furnitureLibraryFile = new File(furnitureLibraryName);
    File tmpFile = null;
    try {
      tmpFile = File.createTempFile("temp", ".sh3f");
      OutputStream out = new FileOutputStream(tmpFile);
      if (out != null) {
        // Create a zip output on file 
        zipOut = new ZipOutputStream(out);
        // Write furniture description file in first entry
        zipOut.putNextEntry(new ZipEntry(DefaultFurnitureCatalog.PLUGIN_FURNITURE_CATALOG_FAMILY + ".properties"));
        writeFurnitureLibraryProperties(zipOut, furnitureLibrary, furnitureLibraryFile,
            offlineFurnitureLibrary, contentMatchingFurnitureName,
            furnitureResourcesRemoteAbsoluteUrlBase, furnitureResourcesRemoteRelativeUrlBase,
            contentEntries);
        zipOut.closeEntry();
        // Write supported languages description files
        for (String language : furnitureLibrary.getSupportedLanguages()) {
          if (!FurnitureLibrary.DEFAULT_LANGUAGE.equals(language)) {
            zipOut.putNextEntry(new ZipEntry(DefaultFurnitureCatalog.PLUGIN_FURNITURE_CATALOG_FAMILY + "_" + language + ".properties"));
            writeFurnitureLibraryLocalizedProperties(zipOut, furnitureLibrary, language);
            zipOut.closeEntry();
          }
        }       
        // Write Content objects in files
        writeContents(zipOut, offlineFurnitureLibrary, furnitureResourcesLocalDirectory, contentEntries);
        // Finish zip writing
        zipOut.finish();
        zipOut.close();
        zipOut = null;

        copyFile(tmpFile, furnitureLibraryFile);
        tmpFile.delete();
      }
    } catch (IOException ex) {
      throw new RecorderException("Can't save furniture library file " + furnitureLibraryName, ex);
    } finally {
      if (zipOut != null) {
        try {
          zipOut.close();
        } catch (IOException ex) {
          throw new RecorderException("Can't close furniture library file " + furnitureLibraryName, ex);
        }
      }
    }
  }

  /**
   * Writes in <code>output</code> the given furniture library
   * with properties as defined as in <code>DefaultFurnitureCatalog</code>.
   */
  private void writeFurnitureLibraryProperties(OutputStream output,
                                               FurnitureLibrary furnitureLibrary,
                                               File furnitureLibraryFile,
                                               boolean offlineFurnitureLibrary,
                                               boolean contentMatchingFurnitureName,
                                               URL furnitureResourcesRemoteAbsoluteUrlBase,
                                               String furnitureResourcesRemoteRelativeUrlBase,
                                               Map<Content, String> contentEntries) throws IOException {
    boolean keepURLContentUnchanged = !offlineFurnitureLibrary
        && furnitureResourcesRemoteAbsoluteUrlBase == null
        && furnitureResourcesRemoteRelativeUrlBase == null;
    Set<String> existingEntryNames = new HashSet<String>();
    BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(output, "ISO-8859-1"));
    final String CATALOG_FILE_HEADER = "#\n# "
        + DefaultFurnitureCatalog.PLUGIN_FURNITURE_CATALOG_FAMILY + ".properties %tc\n"
        + "# Generated by Furniture Library Editor\n#\n";
    writer.write(String.format(CATALOG_FILE_HEADER, new Date()));
    writer.newLine();
    writeProperty(writer, DESCRIPTION, furnitureLibrary.getDescription());
    writeProperty(writer, VERSION, furnitureLibrary.getVersion());
    writeProperty(writer, LICENSE, furnitureLibrary.getLicense());
    writeProperty(writer, PROVIDER, furnitureLibrary.getProvider());
   
    int i = 1;
    for (CatalogPieceOfFurniture piece : furnitureLibrary.getFurniture()) {
      writer.newLine();
      writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.ID, i, piece.getId());
      writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.NAME, i, piece.getName());
      writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.DESCRIPTION, i, piece.getDescription());
      writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.CATEGORY, i, piece.getCategory().getName());
      Content pieceModel = piece.getModel();
      String contentBaseName;
      if (contentMatchingFurnitureName
          || !(pieceModel instanceof URLContent)
          || ((URLContent)pieceModel).getURL().getFile().toString().endsWith("model.obj")) {
        contentBaseName = piece.getName();
      } else {
        String file = ((URLContent)pieceModel).getURL().getFile();
        if (file.lastIndexOf('/') != -1) {
          file = file.substring(file.lastIndexOf('/') + 1);
        }
        if (file.lastIndexOf('.') != -1) {
          file = file.substring(0, file.lastIndexOf('.'));
        }
        contentBaseName = file;
      }
      String iconContentEntryName = getContentEntry(piece.getIcon(), contentBaseName + ".png",
          keepURLContentUnchanged, existingEntryNames);
      writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.ICON, i,
          getContentProperty(piece.getIcon(), iconContentEntryName, offlineFurnitureLibrary,
              furnitureResourcesRemoteAbsoluteUrlBase, furnitureResourcesRemoteRelativeUrlBase));
      if (iconContentEntryName != null) {
        contentEntries.put(piece.getIcon(), iconContentEntryName);
      }
      if (piece.getPlanIcon() != null) {
        String planIconContentEntryName = getContentEntry(piece.getPlanIcon(), contentBaseName + "PlanIcon.png",
            keepURLContentUnchanged, existingEntryNames);
        writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.PLAN_ICON, i,
            getContentProperty(piece.getPlanIcon(), planIconContentEntryName, offlineFurnitureLibrary,
                furnitureResourcesRemoteAbsoluteUrlBase, furnitureResourcesRemoteRelativeUrlBase));
        if (planIconContentEntryName != null) {
          contentEntries.put(piece.getPlanIcon(), planIconContentEntryName);
        }
      }
      boolean multipart = pieceModel instanceof ResourceURLContent
              && ((ResourceURLContent)pieceModel).isMultiPartResource()
          || !(pieceModel instanceof ResourceURLContent)
              && pieceModel instanceof URLContent
              && ((URLContent)pieceModel).isJAREntry();
      String modelContentEntryName;
      if (multipart) {
        String jarEntryName = ((URLContent)pieceModel).getJAREntryName();
        modelContentEntryName = getContentEntry(pieceModel,
            pieceModel instanceof TemporaryURLContent
                ? contentBaseName + "/" + jarEntryName
                : contentBaseName + "/" + jarEntryName.substring(jarEntryName.lastIndexOf('/') + 1)
            keepURLContentUnchanged, existingEntryNames);
      } else {
        modelContentEntryName = getContentEntry(pieceModel,
            contentBaseName + ".obj", keepURLContentUnchanged, existingEntryNames);
      }
      writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.MODEL, i,
          getContentProperty(pieceModel, modelContentEntryName, offlineFurnitureLibrary,
              furnitureResourcesRemoteAbsoluteUrlBase, furnitureResourcesRemoteRelativeUrlBase));
      if (modelContentEntryName != null) {
        contentEntries.put(pieceModel, modelContentEntryName);
      }
      if (multipart) {
        writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.MULTI_PART_MODEL, i, "true");
      }
      writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.WIDTH, i, piece.getWidth());
      writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.DEPTH, i, piece.getDepth());
      writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.HEIGHT, i, piece.getHeight());
      writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.MOVABLE, i, piece.isMovable());
      writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.DOOR_OR_WINDOW, i, piece.isDoorOrWindow());
      if (piece.isDoorOrWindow()) {
        // Write properties specific to doors and windows
        DoorOrWindow doorOrWindow = (DoorOrWindow)piece;
        if (doorOrWindow.getWallThickness() != 1) {
          writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.DOOR_OR_WINDOW_WALL_THICKNESS, i,
              doorOrWindow.getWallThickness() * doorOrWindow.getDepth());
        }
        if (doorOrWindow.getWallDistance() != 0) {
          writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.DOOR_OR_WINDOW_WALL_DISTANCE, i,
              doorOrWindow.getWallDistance() * doorOrWindow.getDepth());
        }
        Sash [] sashes = doorOrWindow.getSashes();
        if (sashes.length > 0) {
          String sashXAxis = "";
          String sashYAxis = "";
          String sashWidth = "";
          String sashStartAngle = "";
          String sashEndAngle = "";
          for (int sashIndex = 0; sashIndex < sashes.length; sashIndex++) {
            if (sashIndex > 0) {
              sashXAxis += " ";
              sashYAxis += " ";
              sashWidth += " ";
              sashStartAngle += " ";
              sashEndAngle += " ";
            }
            sashXAxis += sashes [sashIndex].getXAxis() * doorOrWindow.getWidth();
            sashYAxis += sashes [sashIndex].getYAxis() * doorOrWindow.getDepth();
            sashWidth += sashes [sashIndex].getWidth() * doorOrWindow.getWidth();
            sashStartAngle += Math.round(Math.toDegrees(sashes [sashIndex].getStartAngle()) * 100) / 100;
            sashEndAngle += Math.round(Math.toDegrees(sashes [sashIndex].getEndAngle()) * 100) / 100;
          }         
          writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.DOOR_OR_WINDOW_SASH_X_AXIS, i, sashXAxis);
          writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.DOOR_OR_WINDOW_SASH_Y_AXIS, i, sashYAxis);
          writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.DOOR_OR_WINDOW_SASH_WIDTH, i, sashWidth);
          writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.DOOR_OR_WINDOW_SASH_START_ANGLE, i, sashStartAngle);
          writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.DOOR_OR_WINDOW_SASH_END_ANGLE, i, sashEndAngle);
        }
      }
      if (piece instanceof Light) {
        // Write properties specific to lights
        Light light = (Light)piece;
        LightSource [] lightSources = light.getLightSources();
        if (lightSources.length > 0) {
          String lightSourceX = "";
          String lightSourceY = "";
          String lightSourceZ = "";
          String lightSourceColor = "";
          String lightSourceDiameter = null;
          for (int lightIndex = 0; lightIndex < lightSources.length; lightIndex++) {
            if (lightIndex > 0) {
              lightSourceX += " ";
              lightSourceY += " ";
              lightSourceZ += " ";
              lightSourceColor += " ";
              if (lightSourceDiameter != null) {
                lightSourceDiameter += " ";
              }
            }
            lightSourceX += lightSources [lightIndex].getX() * light.getWidth();
            lightSourceY += lightSources [lightIndex].getY() * light.getDepth();
            lightSourceZ += lightSources [lightIndex].getZ() * light.getHeight();
            lightSourceColor += "#" + Integer.toHexString(lightSources [lightIndex].getColor());
            if (lightSources [lightIndex].getDiameter() != null) {
              if (lightSourceDiameter == null) {
                lightSourceDiameter = "";
              }
              lightSourceDiameter += lightSources [lightIndex].getDiameter() * light.getWidth();
            }
          }         
          writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.LIGHT_SOURCE_X, i, lightSourceX);
          writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.LIGHT_SOURCE_Y, i, lightSourceY);
          writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.LIGHT_SOURCE_Z, i, lightSourceZ);
          writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.LIGHT_SOURCE_COLOR, i, lightSourceColor);
          writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.LIGHT_SOURCE_DIAMETER, i, lightSourceDiameter);
        }
      }
      if (piece.getElevation() > 0) {
        writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.ELEVATION, i, piece.getElevation());
      }
      float [][] modelRotation = piece.getModelRotation();
      String modelRotationString =
          Math.round(modelRotation[0][0]) + " " + Math.round(modelRotation[0][1]) + " " + Math.round(modelRotation[0][2]) + " "
        + Math.round(modelRotation[1][0]) + " " + Math.round(modelRotation[1][1]) + " " + Math.round(modelRotation[1][2]) + " "
        + Math.round(modelRotation[2][0]) + " " + Math.round(modelRotation[2][1]) + " " + Math.round(modelRotation[2][2]);
      if (!"1 0 0 0 1 0 0 0 1".equals(modelRotationString)) {
        writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.MODEL_ROTATION, i, modelRotationString);
      }
      if (!piece.isResizable()) {
        writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.RESIZABLE, i, piece.isResizable());
      }
      if (!piece.isDeformable()) {
        writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.DEFORMABLE, i, piece.isDeformable());
      }
      if (!piece.isTexturable()) {
        writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.TEXTURABLE, i, piece.isTexturable());
      }
      writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.PRICE, i, piece.getPrice());
      writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.VALUE_ADDED_TAX_PERCENTAGE, i, piece.getValueAddedTaxPercentage());
      writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.CREATOR, i, piece.getCreator());
      i++;
    }
    writer.flush();
  }
   
  /**
   * Writes in <code>output</code> the given furniture library
   * with properties as defined as in <code>DefaultFurnitureCatalog</code>.
   */
  private void writeFurnitureLibraryLocalizedProperties(OutputStream output,
                                                        FurnitureLibrary furnitureLibrary,
                                                        String language) throws IOException {
    BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(output, "ISO-8859-1"));
    final String CATALOG_FILE_HEADER = "#\n# "
        + DefaultFurnitureCatalog.PLUGIN_FURNITURE_CATALOG_FAMILY + "_" + language + ".properties %tc\n"
        + "# Generated by Furniture Library Editor\n#\n";
    writer.write(String.format(CATALOG_FILE_HEADER, new Date()));
    int i = 1;
    for (CatalogPieceOfFurniture piece : furnitureLibrary.getFurniture()) {
      writer.newLine();
      Object pieceName = furnitureLibrary.getPieceOfFurnitureLocalizedData(
          piece, language, FurnitureLibrary.FURNITURE_NAME_PROPERTY);
      if (pieceName != null) {
        writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.NAME, i, pieceName);
      }
      Object pieceDescription = furnitureLibrary.getPieceOfFurnitureLocalizedData(
          piece, language, FurnitureLibrary.FURNITURE_DESCRIPTION_PROPERTY);
      if (pieceDescription != null) {
        writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.DESCRIPTION, i, pieceDescription);
      }
      Object categoryName = furnitureLibrary.getPieceOfFurnitureLocalizedData(
          piece, language, FurnitureLibrary.FURNITURE_CATEGORY_PROPERTY);
      if (categoryName != null) {
        writeProperty(writer, DefaultFurnitureCatalog.PropertyKey.CATEGORY, i, categoryName);
      }
      i++;
    }
    writer.flush();
  }
   
  /**
   * Returns the entry name of a <code>content</code>.
   */
  private String getContentEntry(Content content,
                                 String entryName,
                                 boolean keepURLContentUnchanged,
                                 Set<String> existingEntryNames) throws IOException {
    if (content instanceof TemporaryURLContent
        || content instanceof ResourceURLContent) {
      int slashIndex = entryName.indexOf('/');
      if (slashIndex == -1) {
        if (existingEntryNames.contains(entryName)) {
          // Search an unexisting entry name
          int i = 2;
          String defaultEntryName = entryName;
          do {
            int dotIndex = defaultEntryName.lastIndexOf('.');
            entryName = defaultEntryName.substring(0, dotIndex)
                + i++ + defaultEntryName.substring(dotIndex)
          } while (existingEntryNames.contains(entryName));
        }
      } else {
        String entryDirectory = entryName.substring(0, slashIndex + 1);
        int i = 2;
        while (true) {
          boolean entryDirectoryExists = false;
          // Search an unexisting entry directory
          for (String existingEntryName : existingEntryNames) {
            if (existingEntryName.startsWith(entryDirectory)) {
              entryDirectoryExists = true;
              break;
            }
          }
          if (entryDirectoryExists) {
            entryDirectory = entryName.substring(0, slashIndex) + i++ + "/";
          } else {           
            entryName = entryDirectory + entryName.substring(slashIndex + 1);
            break;
          }
        }
      }
      existingEntryNames.add(entryName);
      return entryName;
    } else if (content instanceof URLContent) {
      if (keepURLContentUnchanged) {
        // Won't save content
        return null;
      } else {
        URLContent urlContent = (URLContent)content;
        if (urlContent.isJAREntry()) {
          String file = urlContent.getJAREntryURL().getFile();
          file = file.substring(file.lastIndexOf('/') + 1);
          int zipIndex = file.lastIndexOf(".zip");
          if (zipIndex == -1) {
            return null;
          } else {
            file = file.substring(0, zipIndex);
            entryName = file + "/" + urlContent.getJAREntryName();
          }
        } else {
          String file = urlContent.getURL().getFile();
          entryName = file.substring(file.lastIndexOf('/') + 1);
        }
        existingEntryNames.add(entryName);
        return entryName;
      }
    } else {
      throw new IOException("Unexpected content class: " + content.getClass().getName());
    }
  }

  /**
   * Returns the property value saved for a resource <code>content</code>.
   */
  private String getContentProperty(Content content,
                                    String  entryName,
                                    boolean offlineFurnitureLibrary,
                                    URL furnitureResourcesRemoteAbsoluteUrlBase,
                                    String furnitureResourcesRemoteRelativeUrlBase) throws IOException {
    if (offlineFurnitureLibrary
        || (furnitureResourcesRemoteAbsoluteUrlBase == null
            && furnitureResourcesRemoteRelativeUrlBase == null)) {
      return "/" + entryName;
    } else if (content instanceof TemporaryURLContent
               || content instanceof ResourceURLContent
               || furnitureResourcesRemoteAbsoluteUrlBase != null
               || furnitureResourcesRemoteRelativeUrlBase != null) {
      int slashIndex = entryName.indexOf('/');
      if (slashIndex == -1) {
        if (furnitureResourcesRemoteAbsoluteUrlBase != null) {
          return new URL(furnitureResourcesRemoteAbsoluteUrlBase, entryName).toString();
        } else {
          return furnitureResourcesRemoteRelativeUrlBase + entryName;
        }
      } else {
        String encodedEntry = URLEncoder.encode(entryName.substring(slashIndex + 1), "UTF-8").replace("+", "%20").replace("%2F", "/");
        if (furnitureResourcesRemoteAbsoluteUrlBase != null) {
          return "jar:" + new URL(furnitureResourcesRemoteAbsoluteUrlBase, entryName.substring(0, slashIndex) + ".zip")
              + "!/" + encodedEntry;
        } else {
          return furnitureResourcesRemoteRelativeUrlBase + entryName.substring(0, slashIndex) + ".zip"
              + "!/" + encodedEntry;
        }
      }
    } else {
      return ((URLContent)content).getURL().toString();
    }
  }
 
  /**
   * Writes the (<code>key</code>, <code>value</code>) of a property
   * in <code>writer</code>.
   */
  private void writeProperty(BufferedWriter writer,
                             DefaultFurnitureCatalog.PropertyKey key,
                             int index, Object value) throws IOException {
    writeProperty(writer, key.getKey(index), value);
  }

  /**
   * Writes the (<code>key</code>, <code>value</code>) of a property
   * in <code>writer</code>, if the <code>value</code> isn't <code>null</code>.
   */
  private void writeProperty(BufferedWriter writer,
                             String key,
                             Object value) throws IOException {
    if (value != null) {
      writer.write(key);
      writer.write("=");   
      String s = value.toString();
      CharsetEncoder encoder = Charset.forName("ISO-8859-1").newEncoder();
      for (int i = 0; i < s.length(); i++) {
        char c = s.charAt(i);     
        switch (c) {
          case '\\':
            writer.write('\\');
            writer.write('\\');
            break;
          case '\t':
            writer.write('\\');
            writer.write('t');
            break;
          default:
            if (encoder.canEncode(c)) {
              writer.write(c);
            } else {
              writer.write('\\');
              writer.write('u');
              writer.write(Integer.toHexString((c >> 12) & 0xF));
              writer.write(Integer.toHexString((c >> 8) & 0xF));
              writer.write(Integer.toHexString((c >> 4) & 0xF));
              writer.write(Integer.toHexString(c & 0xF));
            }
        }
      }
      writer.newLine();
    }
  }

  /**
   * Writes in <code>zipOut</code> stream the given contents.
   */
  private void writeContents(ZipOutputStream zipOut,
                             boolean offlineFurnitureLibrary,
                             String  furnitureResourcesLocalDirectory,
                             Map<Content, String> contentEntries) throws IOException, InterruptedRecorderException {
    if (!offlineFurnitureLibrary && furnitureResourcesLocalDirectory != null) {
      // Check local directory
      File directory = new File(furnitureResourcesLocalDirectory);
      if (!directory.exists()) {
        if (!directory.mkdirs()) {
          throw new IOException("Can't create directory " + directory);
        }
      } else if (!directory.isDirectory()) {
        throw new IOException(directory + " isn't a directory");
      }
    }
   
    Map<String, List<ZipEntry>> zipUrlsEntries = new HashMap<String, List<ZipEntry>>();
    for (Map.Entry<Content, String> contentEntry : contentEntries.entrySet()) {
      Content content = contentEntry.getKey();
      if (content instanceof URLContent) {
        URLContent urlContent = (URLContent)content;
        String entryName = contentEntry.getValue();
        if (entryName.indexOf('/') != -1) {
          writeZipEntries(zipOut, offlineFurnitureLibrary, furnitureResourcesLocalDirectory,
              urlContent, entryName, zipUrlsEntries);
        } else if (offlineFurnitureLibrary || furnitureResourcesLocalDirectory == null) {
          writeZipEntry(zipOut, urlContent, entryName);
        } else {
          File file = new File(furnitureResourcesLocalDirectory, entryName);
          if (!file.exists()) {
            copyContent(urlContent, file);
          }
        }
      }
      if (Thread.interrupted()) {
        throw new InterruptedRecorderException();
      }
    } 
  }
 
  /**
   * Writes in <code>zipOut</code> stream all the sibling files of the zipped
   * <code>content</code>.
   */
  private void writeZipEntries(ZipOutputStream zipOut,
                               boolean offlineFurnitureLibrary,
                               String furnitureResourcesLocalDirectory,
                               URLContent content,
                               String mainEntryName,
                               Map<String, List<ZipEntry>> zipUrlsEntries) throws IOException {
    String mainEntryDirectory = mainEntryName.substring(0, mainEntryName.indexOf('/'));
    if (!offlineFurnitureLibrary && furnitureResourcesLocalDirectory != null) {
      // Write content entries in a separate zipped file, if the file doesn't exist
      File file = new File(furnitureResourcesLocalDirectory, mainEntryDirectory + ".zip");
      if (file.exists()) {
        return;
      }
      zipOut = new ZipOutputStream(new FileOutputStream(file));
      mainEntryDirectory = "";
    } else {
      mainEntryDirectory += "/";
    }
   
    String contentDirectory = "";
    if (content instanceof ResourceURLContent) {
      contentDirectory = URLDecoder.decode(content.getJAREntryName().replace("+", "%2B"), "UTF-8");
      int slashIndex = contentDirectory.lastIndexOf('/');
      if (slashIndex != -1) {
        contentDirectory = contentDirectory.substring(0, slashIndex + 1);
      }
    }
   
    URL zipUrl = content.getJAREntryURL();
    // Keep in cache the entries of the read zip files to speed up save process
    List<ZipEntry> entries = zipUrlsEntries.get(zipUrl.toString());
    if (entries == null) {
      zipUrlsEntries.put(zipUrl.toString(), entries = getZipEntries(zipUrl));
    }
    for (ZipEntry entry : entries) {
      String zipEntryName = entry.getName();
      URLContent siblingContent = new URLContent(new URL("jar:" + zipUrl + "!/" +
          URLEncoder.encode(zipEntryName, "UTF-8").replace("+", "%20")));
      if (contentDirectory.length() == 0) {
        boolean saveEntry = true;
        for (String ignoredExtension : IGNORED_EXTENSIONS) {
          if (zipEntryName.toLowerCase().endsWith(ignoredExtension)) {
            saveEntry = false;
            break;
          }
        }
        if (saveEntry) {
          // Write each zipped stream entry that is stored in content except useless content 
          writeZipEntry(zipOut, siblingContent, mainEntryDirectory + zipEntryName);
        }
      } else if (zipEntryName.startsWith(contentDirectory)) {
        // Write each zipped stream entry that is stored in the same directory as content 
        writeZipEntry(zipOut, siblingContent, mainEntryDirectory + zipEntryName.substring(contentDirectory.length()));
      }
    }

    if (!offlineFurnitureLibrary && furnitureResourcesLocalDirectory != null) {
      zipOut.close();
    }
  }

  /**
   * Returns the ZIP entries in <code>zipUrl</code>.
   */
  private List<ZipEntry> getZipEntries(URL zipUrl) throws IOException {
    List<ZipEntry> entries;
    // Get zipped stream entries
    ZipInputStream zipIn = null;
    try {
      entries = new ArrayList<ZipEntry>();
      zipIn = new ZipInputStream(zipUrl.openStream());
      for (ZipEntry entry; (entry = zipIn.getNextEntry()) != null; ) {
        entries.add(entry);
      }
      return entries;
    } finally {
      if (zipIn != null) {
        zipIn.close();
      }
    }
  }

  /**
   * Writes in <code>zipOut</code> stream a new entry named <code>entryName</code> that
   * contains a given <code>content</code>.
   */
  private void writeZipEntry(ZipOutputStream zipOut,
                             URLContent content,
                             String entryName) throws IOException {
    byte [] buffer = new byte [8096];
    InputStream contentIn = null;
    try {
      zipOut.putNextEntry(new ZipEntry(entryName));
      contentIn = content.openStream();         
      int size;
      while ((size = contentIn.read(buffer)) != -1) {
        zipOut.write(buffer, 0, size);
      }
      zipOut.closeEntry()
    } finally {
      if (contentIn != null) {         
        contentIn.close();
      }
    }
  }

  /**
   * Copy the given <code>content</code> to <code>file</code>.
   */
  private void copyContent(Content content, File file) throws IOException {
    InputStream in = null;
    try {
      in = content.openStream();
      copyContentToFile(in, file);
    } catch (IOException ex) {
      throw new IOException("Can't copy content " + content + " to " + file);
    } finally {
      try {
        if (in != null) {         
          in.close();
        }
      } catch (IOException ex) {
        // Forget exception
      }
    }
  }

  /**
   * Copy <code>file1</code> to <code>file2</code>.
   */
  private void copyFile(File file1, File file2) throws IOException {
    InputStream in = null;
    try {
      in = new FileInputStream(file1);
      copyContentToFile(in, file2);
    } catch (IOException ex) {
      throw new IOException("Can't copy file " + file1 + " to " + file2);
    } finally {
      try {
        if (in != null) {         
          in.close();
        }
      } catch (IOException ex) {
        // Forget exception
      }
    }
  }
 
  /**
   * Copy the content of <code>in</code> stream to <code>file</code>.
   */
  private void copyContentToFile(InputStream in, File file) throws IOException {
    byte [] buffer = new byte [8192];
    OutputStream out = null;
    try {
      out = new FileOutputStream(file);
      int size;
      while ((size = in.read(buffer)) != -1) {
        out.write(buffer, 0, size);
      }
    } finally {
      try {
        if (out != null) {         
          out.close();
        }
      } catch (IOException ex) {
        throw new IOException("Can't close file " + file);
      }
    }
  }
}
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