Java tutorial
/* * ****************************************************************************** * * Copyright 2015 See AUTHORS file. * * * * Licensed under the Apache License, Version 2.0 (the "License"); * * you may not use this file except in compliance with the License. * * You may obtain a copy of the License at * * * * http://www.apache.org/licenses/LICENSE-2.0 * * * * Unless required by applicable law or agreed to in writing, software * * distributed under the License is distributed on an "AS IS" BASIS, * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * * See the License for the specific language governing permissions and * * limitations under the License. * ***************************************************************************** */ package com.o2d.pkayjava.editor.data.migrations.migrators; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.files.FileHandle; import com.badlogic.gdx.utils.Json; import com.badlogic.gdx.utils.JsonReader; import com.badlogic.gdx.utils.JsonValue; import com.badlogic.gdx.utils.JsonWriter; import com.o2d.pkayjava.editor.Overlap2DFacade; import com.o2d.pkayjava.editor.data.migrations.IVersionMigrator; import com.o2d.pkayjava.editor.proxy.ProjectManager; import org.apache.commons.io.FileUtils; import java.io.File; import java.io.IOException; import java.util.HashMap; /** * Created by azakhary on 6/29/2015. */ public class VersionMigTo009 implements IVersionMigrator { private String projectPath; private Json json = new Json(); private JsonReader jsonReader = new JsonReader(); private Overlap2DFacade facade; private ProjectManager projectManager; @Override public void setProject(String path) { facade = Overlap2DFacade.getInstance(); projectManager = facade.retrieveProxy(ProjectManager.NAME); projectPath = path; json.setOutputType(JsonWriter.OutputType.json); } @Override public boolean doMigration() { // run through scene files and modify their content to new one // this is list of libraryItems for later HashMap<String, JsonValue> libraryItems = new HashMap<>(); // fixing animations format (frameRange) and moving library items File scenesDir = new File(projectPath + File.separator + "scenes"); for (File entry : scenesDir.listFiles()) { if (!entry.isDirectory()) { try { String content = FileUtils.readFileToString(new FileHandle(entry).file()); JsonValue value = jsonReader.parse(content); fixAnimations(value.get("composite")); if (value.get("libraryItems") != null) { JsonValue.JsonIterator libraryArr = value.get("libraryItems").iterator(); while (libraryArr.hasNext()) { JsonValue libItem = libraryArr.next(); fixAnimations(libItem.get("composite")); libraryItems.put(libItem.name, libItem); } value.remove("libraryItems"); } content = value.prettyPrint(JsonWriter.OutputType.json, 1); FileUtils.writeStringToFile(new File(entry.getAbsolutePath()), content, "utf-8"); } catch (IOException e) { e.printStackTrace(); } } } fixLibraryItemsLocation(libraryItems); return true; } private void fixLibraryItemsLocation(HashMap<String, JsonValue> libraryItems) { if (libraryItems.size() == 0) return; //creating libraryArrayJsonString String libraryArrayJsonString = "{"; for (JsonValue entry : libraryItems.values()) { libraryArrayJsonString += "\"" + entry.name + "\": " + entry.prettyPrint(JsonWriter.OutputType.json, 1) + ", "; } libraryArrayJsonString = libraryArrayJsonString.substring(0, libraryArrayJsonString.length() - 2) + "}"; //ProjectInfo data String prjInfoFilePath = projectPath + "/project.dt"; FileHandle projectInfoFile = Gdx.files.internal(prjInfoFilePath); try { String projectInfoContents = FileUtils.readFileToString(projectInfoFile.file()); JsonValue value = jsonReader.parse(projectInfoContents); JsonValue newVal = jsonReader.parse(libraryArrayJsonString); newVal.name = "libraryItems"; newVal.prev = value.get("scenes"); newVal.next = newVal.prev.next; newVal.prev.next = newVal; String content = value.prettyPrint(JsonWriter.OutputType.json, 1); FileUtils.writeStringToFile(new File(prjInfoFilePath), content, "utf-8"); } catch (IOException e) { e.printStackTrace(); } } private void fixAnimations(JsonValue value) { if (value.get("sComposites") == null) return; if (value.get("sComposites") != null) { JsonValue.JsonIterator compositeArray = value.get("sComposites").iterator(); while (compositeArray.hasNext()) { JsonValue composite = compositeArray.next(); if (composite != null) { fixAnimations(composite.get("composite")); } } } if (value.get("sSpriteAnimations") != null) { JsonValue.JsonIterator spriteArray = value.get("sSpriteAnimations").iterator(); while (spriteArray.hasNext()) { JsonValue valAnim = spriteArray.next(); if (valAnim.get("animations") != null) { String val = valAnim.get("animations").asString(); JsonValue animationsInnerJson = jsonReader.parse(val); JsonValue.JsonIterator innerArray = animationsInnerJson.iterator(); String cnt = "["; while (innerArray.hasNext()) { JsonValue innerVal = innerArray.next(); int startFrame = innerVal.get("startFrame").asInt(); int endFrame = innerVal.get("endFrame").asInt(); String currName = innerVal.get("name").asString(); cnt += "{\"name\":\"" + currName + "\", \"startFrame\":" + startFrame + ", \"endFrame\":" + endFrame + "}, "; } if (cnt.length() == 1) { cnt = "[]"; } else { cnt = cnt.substring(0, cnt.length() - 2) + "]"; } JsonValue newVal = jsonReader.parse(cnt); setNewKeyToJson(valAnim, "frameRangeMap", "animations", newVal); } } } } private void setNewKeyToJson(JsonValue container, String newKey, String oldKey, JsonValue newVal) { JsonValue oldVal = container.get(oldKey); if (oldVal.prev != null) oldVal.prev.setNext(newVal); if (oldVal.next != null) oldVal.next.setPrev(newVal); newVal.setPrev(oldVal.prev); newVal.setNext(oldVal.next); newVal.name = newKey; } }