Java tutorial
/* * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 org.apache.flex.compiler.internal.targets; import java.util.Collection; import java.util.Collections; import java.util.HashSet; import java.util.List; import java.util.Set; import org.apache.flex.compiler.driver.js.IJSApplication; import org.apache.flex.compiler.exceptions.BuildCanceledException; import org.apache.flex.compiler.internal.codegen.js.JSSharedData; import org.apache.flex.compiler.internal.driver.js.JSApplication; import org.apache.flex.compiler.internal.projects.CompilerProject; import org.apache.flex.compiler.problems.ICompilerProblem; import org.apache.flex.compiler.projects.IASProject; import org.apache.flex.compiler.targets.IJSTarget; import org.apache.flex.compiler.targets.ITargetProgressMonitor; import org.apache.flex.compiler.targets.ITargetReport; import org.apache.flex.compiler.targets.ITargetSettings; import org.apache.flex.compiler.units.ICompilationUnit; import com.google.common.collect.ImmutableSet; import com.google.common.collect.Iterables; public class JSTarget extends Target implements IJSTarget { private ICompilationUnit mainCU; private RootedCompilationUnits rootedCompilationUnits; /** * Initialize a JS target with the owner project and root compilation units. * * @param project the owner project */ public JSTarget(IASProject project, ITargetSettings targetSettings, ITargetProgressMonitor progressMonitor) { super((CompilerProject) project, targetSettings, progressMonitor); } @Override public TargetType getTargetType() { // can't do anything, TargetType is only swf|swc return null; } @Override protected ITargetReport computeTargetReport() throws InterruptedException { // TODO Should return a new TargetReport relating to the js app? return null; } @Override protected RootedCompilationUnits computeRootedCompilationUnits() throws InterruptedException { if (mainCU != null) { return new Target.RootedCompilationUnits(ImmutableSet.of(mainCU), Collections.<ICompilerProblem>emptyList()); } return new Target.RootedCompilationUnits(Collections.<ICompilationUnit>emptySet(), Collections.<ICompilerProblem>emptyList()); } @Override public RootedCompilationUnits getRootedCompilationUnits() throws InterruptedException { if (rootedCompilationUnits == null) rootedCompilationUnits = computeRootedCompilationUnits(); return rootedCompilationUnits; } @Override public IJSApplication build(Collection<ICompilerProblem> problems) { buildStarted(); try { Iterable<ICompilerProblem> fatalProblems = getFatalProblems(); if (!Iterables.isEmpty(fatalProblems)) { Iterables.addAll(problems, fatalProblems); return null; } Set<ICompilationUnit> compilationUnitSet = new HashSet<ICompilationUnit>(); Target.RootedCompilationUnits rootedCompilationUnits = getRootedCompilationUnits(); Iterables.addAll(problems, rootedCompilationUnits.getProblems()); compilationUnitSet.addAll(rootedCompilationUnits.getUnits()); buildAndCollectProblems(compilationUnitSet, problems); List<ICompilationUnit> reachableCompilationUnits = project .getReachableCompilationUnitsInSWFOrder(rootedCompilationUnits.getUnits()); IJSApplication application = initializeApplication(reachableCompilationUnits); // ISWF swf = initializeSWF(reachableCompilationUnits); // // // make main frame for DoABC tags // final SWFFrame mainFrame = new SWFFrame(); // swf.addFrame(mainFrame); // // // Add definitions. // for (final ICompilationUnit cu : compilationUnitSet) // { // // ignore externals // if (isLinkageExternal(cu, targetSettings)) // continue; // // // ignore any resource bundles // if (cu instanceof ResourceBundleCompilationUnit) // continue; // // // Create a DoABC tag per compilation unit. // // // Please add this API to SWFTarget. Thx. // // protected Boolean addToFrame(ICompilationUnit cu, SWFFrame mainFrame) throws InterruptedException // // final boolean tagsAdded = cu.getSWFTagsRequest().get().addToFrame(mainFrame); // final boolean tagsAdded = addToFrame(cu, mainFrame); // if (!tagsAdded) // { // ICompilerProblem problem = new UnableToBuildSWFTagProblem(cu.getAbsoluteFilename()); // problems.add(problem); // } // } // // createLinkReport(problems); return application; } catch (BuildCanceledException bce) { return null; } catch (InterruptedException ie) { return null; } finally { buildFinished(); } } protected IJSApplication initializeApplication(List<ICompilationUnit> reachableCompilationUnits) { JSApplication result = new JSApplication(); // TODO set properties of the application return result; } protected void buildAndCollectProblems(final Set<ICompilationUnit> compilationUnits, final Collection<ICompilerProblem> problems) throws InterruptedException { final JSSharedData sharedData = JSSharedData.instance; sharedData.beginCodeGen(); BuiltCompilationUnitSet builtCompilationUnits = getBuiltCompilationUnitSet(); // if (JSSharedData.OUTPUT_ISOLATED) // { final ICompilationUnit rootCU = getRootClassCompilationUnit(); compilationUnits.clear(); compilationUnits.add(rootCU); // i added Iterables.addAll(problems, builtCompilationUnits.problems); // } // else // { // final List<ICompilationUnit> allUnits = new ArrayList<ICompilationUnit>(); // allUnits.addAll(project // .getReachableCompilationUnitsInSWFOrder(builtCompilationUnits.compilationUnits)); // final List<ICompilationUnit> cuList = sortCompilationUnits(allUnits); // compilationUnits.clear(); // for (ICompilationUnit cu : cuList) // compilationUnits.add(cu); // } sharedData.endCodeGen(); } private ICompilationUnit getRootClassCompilationUnit() { String rootClassFileName = targetSettings.getRootSourceFileName(); if (rootClassFileName == null) return null; Collection<ICompilationUnit> rootClassCompilationUnits = project.getCompilationUnits(rootClassFileName); assert rootClassCompilationUnits .size() == 1 : "There must only be a single compilation unit for the root source file!"; return Iterables.getOnlyElement(rootClassCompilationUnits); } public IJSApplication build(ICompilationUnit unit, Collection<ICompilerProblem> problems) { mainCU = unit; return build(problems); } }