| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * 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 org.jetbrains.java.decompiler.struct; |
| |
| import org.jetbrains.java.decompiler.main.DecompilerContext; |
| import org.jetbrains.java.decompiler.main.extern.IResultSaver; |
| import org.jetbrains.java.decompiler.struct.lazy.LazyLoader; |
| import org.jetbrains.java.decompiler.util.DataInputFullStream; |
| import org.jetbrains.java.decompiler.util.InterpreterUtil; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Enumeration; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.jar.JarFile; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipFile; |
| |
| public class StructContext { |
| |
| private final IResultSaver saver; |
| private final IDecompiledData decompiledData; |
| private final LazyLoader loader; |
| private final Map<String, ContextUnit> units = new HashMap<String, ContextUnit>(); |
| private final Map<String, StructClass> classes = new HashMap<String, StructClass>(); |
| |
| public StructContext(IResultSaver saver, IDecompiledData decompiledData, LazyLoader loader) { |
| this.saver = saver; |
| this.decompiledData = decompiledData; |
| this.loader = loader; |
| |
| ContextUnit defaultUnit = new ContextUnit(ContextUnit.TYPE_FOLDER, null, "", true, saver, decompiledData); |
| units.put("", defaultUnit); |
| } |
| |
| public StructClass getClass(String name) { |
| return classes.get(name); |
| } |
| |
| public void reloadContext() throws IOException { |
| for (ContextUnit unit : units.values()) { |
| for (StructClass cl : unit.getClasses()) { |
| classes.remove(cl.qualifiedName); |
| } |
| |
| unit.reload(loader); |
| |
| // adjust global class collection |
| for (StructClass cl : unit.getClasses()) { |
| classes.put(cl.qualifiedName, cl); |
| } |
| } |
| } |
| |
| public void saveContext() { |
| for (ContextUnit unit : units.values()) { |
| if (unit.isOwn()) { |
| unit.save(); |
| } |
| } |
| } |
| |
| public void addSpace(File file, boolean isOwn) { |
| addSpace("", file, isOwn, 0); |
| } |
| |
| private void addSpace(String path, File file, boolean isOwn, int level) { |
| if (file.isDirectory()) { |
| if (level == 1) path += file.getName(); |
| else if (level > 1) path += "/" + file.getName(); |
| |
| File[] files = file.listFiles(); |
| if (files != null) { |
| for (int i = files.length - 1; i >= 0; i--) { |
| addSpace(path, files[i], isOwn, level + 1); |
| } |
| } |
| } |
| else { |
| String filename = file.getName(); |
| |
| boolean isArchive = false; |
| try { |
| if (filename.endsWith(".jar")) { |
| isArchive = true; |
| addArchive(path, file, ContextUnit.TYPE_JAR, isOwn); |
| } |
| else if (filename.endsWith(".zip")) { |
| isArchive = true; |
| addArchive(path, file, ContextUnit.TYPE_ZIP, isOwn); |
| } |
| } |
| catch (IOException ex) { |
| String message = "Corrupted archive file: " + file; |
| DecompilerContext.getLogger().writeMessage(message, ex); |
| } |
| if (isArchive) { |
| return; |
| } |
| |
| ContextUnit unit = units.get(path); |
| if (unit == null) { |
| unit = new ContextUnit(ContextUnit.TYPE_FOLDER, null, path, isOwn, saver, decompiledData); |
| units.put(path, unit); |
| } |
| |
| if (filename.endsWith(".class")) { |
| try { |
| DataInputFullStream in = loader.getClassStream(file.getAbsolutePath(), null); |
| try { |
| StructClass cl = new StructClass(in, isOwn, loader); |
| classes.put(cl.qualifiedName, cl); |
| unit.addClass(cl, filename); |
| loader.addClassLink(cl.qualifiedName, new LazyLoader.Link(LazyLoader.Link.CLASS, file.getAbsolutePath(), null)); |
| } |
| finally { |
| in.close(); |
| } |
| } |
| catch (IOException ex) { |
| String message = "Corrupted class file: " + file; |
| DecompilerContext.getLogger().writeMessage(message, ex); |
| } |
| } |
| else { |
| unit.addOtherEntry(file.getAbsolutePath(), filename); |
| } |
| } |
| } |
| |
| private void addArchive(String path, File file, int type, boolean isOwn) throws IOException { |
| @SuppressWarnings("IOResourceOpenedButNotSafelyClosed") |
| ZipFile archive = type == ContextUnit.TYPE_JAR ? new JarFile(file) : new ZipFile(file); |
| |
| try { |
| Enumeration<? extends ZipEntry> entries = archive.entries(); |
| while (entries.hasMoreElements()) { |
| ZipEntry entry = entries.nextElement(); |
| |
| ContextUnit unit = units.get(path + "/" + file.getName()); |
| if (unit == null) { |
| unit = new ContextUnit(type, path, file.getName(), isOwn, saver, decompiledData); |
| if (type == ContextUnit.TYPE_JAR) { |
| unit.setManifest(((JarFile)archive).getManifest()); |
| } |
| units.put(path + "/" + file.getName(), unit); |
| } |
| |
| String name = entry.getName(); |
| if (!entry.isDirectory()) { |
| if (name.endsWith(".class")) { |
| byte[] bytes = InterpreterUtil.getBytes(archive, entry); |
| StructClass cl = new StructClass(bytes, isOwn, loader); |
| classes.put(cl.qualifiedName, cl); |
| unit.addClass(cl, name); |
| loader.addClassLink(cl.qualifiedName, new LazyLoader.Link(LazyLoader.Link.ENTRY, file.getAbsolutePath(), name)); |
| } |
| else { |
| unit.addOtherEntry(file.getAbsolutePath(), name); |
| } |
| } |
| else { |
| unit.addDirEntry(name); |
| } |
| } |
| } |
| finally { |
| archive.close(); |
| } |
| } |
| |
| public Map<String, StructClass> getClasses() { |
| return classes; |
| } |
| } |