Java BinaryExporter类代码示例

import com.jme3.export.binary.BinaryExporter; //导入依赖的package包/类
/**
 * 保存模型文件到目标位置。
 * @param model
 * @param distFile 完整目标文件路径,如：Models/env/example.j3o
 */
public static void saveTo(Spatial model, String distFile) {
    // 备份文件
    try {
        backup(distFile);
    } catch (Exception e) {
        Logger.getLogger(ModelFileUtils.class.getName()).log(Level.WARNING, "Could not backup file:{0}", distFile);
    }
    
    // 保存文件
    BinaryExporter exp = BinaryExporter.getInstance();
    URL url = Thread.currentThread().getContextClassLoader().getResource(distFile);
    File file = new File(url.getPath());
    try {
        exp.save(model, file);
    } catch (IOException ex) {
        Logger.getLogger(ModelFileUtils.class.getName()).log(Level.SEVERE, ex.getMessage());
    }
}
 

import com.jme3.export.binary.BinaryExporter; //导入依赖的package包/类
@Override
protected void doSaveEdit() {
    if (savePath == null) {
        throw new NullPointerException("Need to set savePath before save edit!");
    }
    try {
        // 先保存一些特殊的”保存行为“, 这些保存操作需要在地形保存之前优先进行保存操作.
        // 如地形在修改后的特殊的保存行为
        if (!saveActions.isEmpty()) {
            for (SaveAction sa : saveActions) {
                sa.doSave(editor);
            }
        }
        // 场景保存
        scene.updateDatas();
        BinaryExporter.getInstance().save(scene.getData(), new File(savePath));
    } catch (Exception ex) {
        LOG.log(Level.SEVERE, null, ex);
    }
}
 

import com.jme3.export.binary.BinaryExporter; //导入依赖的package包/类
public void doCreateScene() {
    SceneData sceneData = Loader.loadData(IdConstants.SYS_SCENE);
    TreeItem<File> item = fileTree.getSelectionModel().getSelectedItem();
    if (item == null || item.getValue() == null)
        return;
    File dir = item.getValue();
    if (!dir.exists() || dir.isFile()) 
        return;
    
    Jfx.runOnJme(() -> {
        try {
            File saveFile = makeSaveFile(dir, "scene", ".lyo", 0);
            BinaryExporter.getInstance().save(sceneData, saveFile);
            Jfx.runOnJfx(() -> {
                fileTree.refreshItem(item);
                fileTree.refresh();
            });
        } catch (IOException ex) {
            Logger.getLogger(CreateSceneMenuItem.class.getName()).log(Level.SEVERE, null, ex);
        }
    });
}
 

import com.jme3.export.binary.BinaryExporter; //导入依赖的package包/类
private void createTerrain(ComponentDefine cd, JfxSceneEdit jfxEdit, Application application
        , String terrainName, int totalSize, int patchSize, int alphaTextureSize, String assetFolder, float[] heightMap) {
    try {
        // 创建地形
        Terrain terrain = TerrainUtils.doCreateTerrain(application, assetFolder
                , alphaTextureDir, terrainName, totalSize, patchSize, alphaTextureSize, heightMap, TERRAIN_DIRT);
        Spatial terrainSpatial = (Spatial) terrain;
        
        // 保存地形文件
        String terrainFullName = modelDir.substring(1) + "/" + terrainName + ".j3o";
        File terrainFile = new File(assetFolder, terrainFullName);
        BinaryExporter.getInstance().save(terrainSpatial, terrainFile);
        
        UncacheAssetEventListener.getInstance().addUncache(terrainFullName);
        
        // 添加到3D场景编辑
        EntityData ed = Loader.loadData(cd.getId());
        ed.setAttribute("file", terrainFullName); // 去掉"/"
        Jfx.runOnJfx(() -> {
            jfxEdit.addEntityUseUndoRedo(ed);
        });

    } catch (IOException ex) {
        Logger.getLogger(TerrainEntityComponentConverter.class.getName()).log(Level.SEVERE, null, ex);
    }
}
 

import com.jme3.export.binary.BinaryExporter; //导入依赖的package包/类
/**
 * save molecule as j3o file
 */
public void saveMoleculej3o() {
    final Spatial mol = app.getMoleculeModel();

    // open input dialog
    TextinputDialog dialog = new TextinputDialog();
    dialog.setOnClose(new InputRunnable() {

        @Override
        public void run(String input) {
            try {
                String ext = input.endsWith(".j3o") ? "" : ".j3o";
                File f = new File(Constants.getMoleculeLocation() + File.separator + input + ext);

                BinaryExporter exporter = BinaryExporter.getInstance();

                exporter.save(mol, f);
            } catch (Exception ex) {
                logger.log(Level.SEVERE, null, ex);
            }
            exitMenu();
        }
    });
    dialog.show(nifty, "Enter name of file:");
}
 

import com.jme3.export.binary.BinaryExporter; //导入依赖的package包/类
@SuppressWarnings("unchecked")
	public static void registerAction_SaveAsJ3O(SpatialExplorer se, SimpleApplication app) {
		FileChooser fileChooser = new FileChooser();
		fileChooser.getExtensionFilters().addAll(
			new FileChooser.ExtensionFilter("jMonkeyEngine Object (*.j3o)", "*.j3o")
		);
		se.treeItemActions.add(new Action("Save as .j3o", (evt) -> {
			System.out.println("target : " + evt.getTarget());
			File f0 = fileChooser.showSaveDialog(
					null
//					((MenuItem)evt.getTarget()).getGraphic().getScene().getWindow()
//					((MenuItem)evt.getTarget()).getParentPopup()
			);
			if (f0 != null) {
				File f = (f0.getName().endsWith(".j3o"))? f0 : new File(f0.getParentFile(), f0.getName() + ".j3o");
				app.enqueue(()->{
					Spatial target = ((TreeItem<Spatial>)evt.getSource()).getValue();
					new BinaryExporter().save(target, f);
					return null;
				});
			}
		}));
	}
 

import com.jme3.export.binary.BinaryExporter; //导入依赖的package包/类
/**
     * Save the current map in a folder of the same name of the map.
     *
     *
     * @param mapName "RESET" && "TEMP" cannot be used for a map name since they
     * are already be used internaly.
     * @todo
     */
    public boolean saveArea(String mapName) {
        if (mapName == null || mapName.toUpperCase(Locale.ENGLISH).equalsIgnoreCase("TEMP")) {
            Logger.getLogger(MapData.class.getName()).log(Level.WARNING, "Invalid Path name");
            return false;
        }
//        this.mapName = mapName;
        try {
            if (saveChunk(null)) {
                String userHome = System.getProperty("user.dir") + "/assets";
                BinaryExporter exporter = BinaryExporter.getInstance();
                org.hexgridapi.loader.MapDataLoader mdLoader = new org.hexgridapi.loader.MapDataLoader();

//                mdLoader.setChunkPos(chunkPos);

                File file = new File(userHome + "/Data/MapData/" + mapName + "/" + mapName + ".map");
                exporter.save(mdLoader, file);
                return true;
            } else {
                return false;
            }
        } catch (IOException ex) {
            Logger.getLogger(MapData.class.getName()).log(Level.SEVERE, null, ex);
            return false;
        }
    }
 

import com.jme3.export.binary.BinaryExporter; //导入依赖的package包/类
/**
     * Saves a savable in a system-dependent way. Note that only small amounts of data can be saved.
     * @param gamePath A unique path for this game, e.g. com/mycompany/mygame
     * @param dataName A unique name for this savegame, e.g. "save_001"
     * @param data The Savable to save
     */
    public static void saveGame(String gamePath, String dataName, Savable data) {
        Preferences prefs = Preferences.userRoot().node(gamePath);
        BinaryExporter ex = BinaryExporter.getInstance();
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try {
            GZIPOutputStream zos = new GZIPOutputStream(out);
            ex.save(data, zos);
            zos.close();
        } catch (IOException ex1) {
            Logger.getLogger(SaveGame.class.getName()).log(Level.SEVERE, "Error saving data: {0}", ex1);
            ex1.printStackTrace();
        }
        UUEncoder enc = new UUEncoder();
        String dataString = enc.encodeBuffer(out.toByteArray());
//        System.out.println(dataString);
        if (dataString.length() > Preferences.MAX_VALUE_LENGTH) {
            throw new IllegalStateException("SaveGame dataset too large");
        }
        prefs.put(dataName, dataString);
    }
 

import com.jme3.export.binary.BinaryExporter; //导入依赖的package包/类
@Override
@BackgroundThread
protected void writeData(@NotNull final Path resultFile) throws IOException {
    super.writeData(resultFile);

    final BinaryExporter exporter = BinaryExporter.getInstance();
    final Node newNode = new Node("Model root");

    try (final OutputStream out = Files.newOutputStream(resultFile, WRITE, TRUNCATE_EXISTING, CREATE)) {
        exporter.save(newNode, out);
    }
}
 

import com.jme3.export.binary.BinaryExporter; //导入依赖的package包/类
@Override
@BackgroundThread
protected void writeData(@NotNull final Path resultFile) throws IOException {
    super.writeData(resultFile);

    final BinaryExporter exporter = BinaryExporter.getInstance();
    final SceneNode newNode = createScene();

    try (final OutputStream out = Files.newOutputStream(resultFile, WRITE, TRUNCATE_EXISTING, CREATE)) {
        exporter.save(newNode, out);
    }
}
 

import com.jme3.export.binary.BinaryExporter; //导入依赖的package包/类
@Override
@BackgroundThread
public void doSave(@NotNull final Path toStore) throws IOException {
    super.doSave(toStore);

    final M currentModel = getCurrentModel();

    NodeUtils.visitGeometry(currentModel, geometry -> saveIfNeedTextures(geometry.getMaterial()));

    final BinaryExporter exporter = BinaryExporter.getInstance();

    try (final OutputStream out = Files.newOutputStream(toStore)) {
        exporter.save(currentModel, out);
    }
}
 

import com.jme3.export.binary.BinaryExporter; //导入依赖的package包/类
public void onAction(String name, boolean pressed, float tpf) {
    if (name.equals("save") && !pressed) {

        FileOutputStream fos = null;
        try {
            long start = System.currentTimeMillis();
            fos = new FileOutputStream(new File("terrainsave.jme"));

            // we just use the exporter and pass in the terrain
            BinaryExporter.getInstance().save((Savable)terrain, new BufferedOutputStream(fos));

            fos.flush();
            float duration = (System.currentTimeMillis() - start) / 1000.0f;
            System.out.println("Save took " + duration + " seconds");
        } catch (IOException ex) {
            Logger.getLogger(TerrainTestReadWrite.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                if (fos != null) {
                    fos.close();
                }
            } catch (IOException e) {
                Logger.getLogger(TerrainTestReadWrite.class.getName()).log(Level.SEVERE, null, e);
            }
        }
    }
}
 

import com.jme3.export.binary.BinaryExporter; //导入依赖的package包/类
/**
 * This method stores the current blender config.
 * @param configuration the blender config to store
 */
private void storeConfig(BlenderKeyConfiguration configuration) {
    if (configuration.lastUsedKey != null) {//reading animations
        DefaultTableModel animationsTableModel = (DefaultTableModel) jTableAnimations.getModel();
        if (configuration.lastUsedKey.getAnimations() != null) {
            configuration.lastUsedKey.getAnimations().clear();
        }
        int animCounter = 0;
        for (int i = 0; i < animationsTableModel.getRowCount(); ++i) {
            String objectName = (String) animationsTableModel.getValueAt(i, 0);
            String animName = (String) animationsTableModel.getValueAt(i, 1);
            Number startFrame = (Number) animationsTableModel.getValueAt(i, 2);
            Number stopFrame = (Number) animationsTableModel.getValueAt(i, 3);
            if (objectName != null && animName != null && startFrame.intValue() <= stopFrame.intValue()) {
                configuration.lastUsedKey.addAnimation(objectName, animName, startFrame.intValue(), stopFrame.intValue());
                ++animCounter;
            }
        }
        if (animCounter < animationsTableModel.getRowCount()) {
            JOptionPane.showMessageDialog(ConfigDialog.this, "Some animations had errors!\nThey had not been added!",
                    "Invalid animations definitions", JOptionPane.WARNING_MESSAGE);
        }
    }
    //getting the key type
    configuration.useModelKey = jCheckBoxUseModelKey.isSelected();
    configuration.logLevel = JRadioButtonLevel.getSelectedLevel();

    //storing the config
    JmeExporter jmeExporter = new BinaryExporter();
    try {
        if (!jmeExporter.save(configuration, configFile)) {
            JOptionPane.showMessageDialog(ConfigDialog.this, "Unable to save the config data!", "Config save problem", JOptionPane.ERROR_MESSAGE);
        }
    } catch (IOException e) {
        JOptionPane.showMessageDialog(ConfigDialog.this, "Error occured during config saving!\nReason: " + e.getLocalizedMessage(),
                "Config save problem", JOptionPane.ERROR_MESSAGE);
    }
}
 

import com.jme3.export.binary.BinaryExporter; //导入依赖的package包/类
@Override
public void simpleInitApp() {
    Spatial ogreModel = assetManager.loadModel("Models/Oto/Oto.mesh.xml");

    DirectionalLight dl = new DirectionalLight();
    dl.setColor(ColorRGBA.White);
    dl.setDirection(new Vector3f(0,-1,-1).normalizeLocal());
    rootNode.addLight(dl);

    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        BinaryExporter exp = new BinaryExporter();
        exp.save(ogreModel, baos);

        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
        BinaryImporter imp = new BinaryImporter();
        imp.setAssetManager(assetManager);
        Node ogreModelReloaded = (Node) imp.load(bais, null, null);
        
        AnimControl control = ogreModelReloaded.getControl(AnimControl.class);
        AnimChannel chan = control.createChannel();
        chan.setAnim("Walk");

        rootNode.attachChild(ogreModelReloaded);
    } catch (IOException ex){
        ex.printStackTrace();
    }
}
 

import com.jme3.export.binary.BinaryExporter; //导入依赖的package包/类
public ClipboardSpatial(Spatial spat){
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    try {
        BinaryExporter.getInstance().save(spat, out);
    } catch (IOException ex) {
        Exceptions.printStackTrace(ex);
    }
    data= out.toByteArray();
}