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/*
* Fernflower - The Analytical Java Decompiler
* http://www.reversed-java.com
*
* (C) 2008 - 2010, Stiver
*
* This software is NEITHER public domain NOR free software
* as per GNU License. See license.txt for more details.
*
* This software is distributed WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE.
*/
package de.fernflower.struct;
import java.io.File;
import java.io.IOException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.jar.JarFile;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import de.fernflower.main.DecompilerContext;
import de.fernflower.main.extern.IDecompilatSaver;
import de.fernflower.main.extern.IFernflowerLogger;
import de.fernflower.struct.lazy.LazyLoader;
public class StructContext {
// *****************************************************************************
// private fields
// *****************************************************************************
private LazyLoader loader;
private HashMap<String, StructClass> classes = new HashMap<String, StructClass>();
private HashMap<String, ContextUnit> units = new HashMap<String, ContextUnit>();
private ContextUnit defaultUnit;
private IDecompilatSaver saver;
private IDecompiledData decdata;
public StructContext(IDecompilatSaver saver, IDecompiledData decdata, LazyLoader loader) {
this.saver = saver;
this.decdata = decdata;
this.loader = loader;
defaultUnit = new ContextUnit(ContextUnit.TYPE_FOLDER, null, "", true, saver, decdata);
units.put("", defaultUnit);
}
// *****************************************************************************
// public methods
// *****************************************************************************
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 lobal 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) throws IOException {
addSpace("", file, isOwn);
}
private void addSpace(String path, File file, boolean isOwn) throws IOException {
if(file.isDirectory()) {
File[] files = file.listFiles();
path += "/" + (path.length()==0?"":file.getName());
for(int i=files.length-1;i>=0;i--) {
addSpace(path, files[i], isOwn);
}
} else {
String filename = file.getName();
boolean isArchive = false;
try {
if(filename.endsWith(".jar")) {
addArchive(path, file, ContextUnit.TYPE_JAR, isOwn);
isArchive = true;
} else if(filename.endsWith(".zip")) {
addArchive(path, file, ContextUnit.TYPE_ZIP, isOwn);
isArchive = true;
}
} catch(IOException ex) {
DecompilerContext.getLogger()
.writeMessage("Invalid archive file: "+(path.length()>0?path+"/":"")+filename, IFernflowerLogger.ERROR);
}
if(!isArchive) {
ContextUnit unit = units.get(path);
if(unit == null) {
unit = new ContextUnit(ContextUnit.TYPE_FOLDER, null, path, isOwn, saver, decdata);
units.put(path, unit);
}
boolean isClass = false;
if(filename.endsWith(".class")) {
try {
StructClass cl = new StructClass(loader.getClassStream(file.getAbsolutePath(), null), isOwn, loader);
classes.put(cl.qualifiedName, cl);
unit.addClass(cl, filename);
loader.addClassLink(cl.qualifiedName, new LazyLoader.Link(LazyLoader.Link.CLASS, file.getAbsolutePath(), null));
isClass = true;
} catch(IOException ex) {
DecompilerContext.getLogger()
.writeMessage("Invalid class file: "+(path.length()>0?path+"/":"")+filename, IFernflowerLogger.ERROR);
}
}
if(!isClass) {
unit.addOtherEntry(file.getAbsolutePath(), filename);
}
}
}
}
private void addArchive(String path, File file, int type, boolean isOwn) throws IOException {
ZipFile archive;
if(type == ContextUnit.TYPE_JAR) { // jar
archive = new JarFile(file);
} else { // zip
archive = new ZipFile(file);
}
Enumeration<? extends ZipEntry> en = archive.entries();
while(en.hasMoreElements()) {
ZipEntry entr = en.nextElement();
ContextUnit unit = units.get(path+"/"+file.getName());
if(unit == null) {
unit = new ContextUnit(type, path, file.getName(), isOwn, saver, decdata);
if(type == ContextUnit.TYPE_JAR) {
unit.setManifest(((JarFile)archive).getManifest());
}
units.put(path+"/"+file.getName(), unit);
}
String name = entr.getName();
if(!entr.isDirectory()) {
if(name.endsWith(".class")) {
StructClass cl = new StructClass(archive.getInputStream(entr), isOwn, loader);
classes.put(cl.qualifiedName, cl);
unit.addClass(cl, name);
if(loader != null) {
loader.addClassLink(cl.qualifiedName, new LazyLoader.Link(LazyLoader.Link.ENTRY, file.getAbsolutePath(), name));
}
} else {
unit.addOtherEntry(file.getAbsolutePath(), name);
}
} else if(entr.isDirectory()) {
unit.addDirEntry(name);
}
}
}
// *****************************************************************************
// getter and setter methods
// *****************************************************************************
public HashMap<String, StructClass> getClasses() {
return classes;
}
}
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