/*
* Copyright (c) 2010. Stephen Connolly.
* Copyright (C) 2007. Jens Hatlak <hatlak@rbg.informatik.tu-darmstadt.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.github.stephenc.javaisotools.iso9660.impl;
import java.util.HashMap;
import java.util.Stack;
import com.github.stephenc.javaisotools.iso9660.ISO9660RootDirectory;
import com.github.stephenc.javaisotools.iso9660.LayoutHelper;
import com.github.stephenc.javaisotools.iso9660.StandardHandler;
import com.github.stephenc.javaisotools.iso9660.volumedescriptors.PrimaryVolumeDescriptor;
import com.github.stephenc.javaisotools.iso9660.volumedescriptors.VolumeDescriptorSetTerminator;
import com.github.stephenc.javaisotools.sabre.Element;
import com.github.stephenc.javaisotools.sabre.HandlerException;
import com.github.stephenc.javaisotools.sabre.StreamHandler;
import com.github.stephenc.javaisotools.rockridge.impl.RockRidgeConfig;
import com.github.stephenc.javaisotools.iso9660.sabre.impl.BothWordDataReference;
import com.github.stephenc.javaisotools.sabre.Fixup;
public class ISO9660Handler extends StandardHandler {
private Stack elements;
private ISO9660Config config;
private LayoutHelper helper;
private HashMap volumeFixups;
private ISO9660Factory factory;
public ISO9660Handler(StreamHandler streamHandler, ISO9660RootDirectory root, ISO9660Config config,
RockRidgeConfig rrConfig) throws HandlerException {
super(streamHandler, root, config);
this.elements = new Stack();
this.config = config;
this.volumeFixups = new HashMap();
checkMetadataFiles();
// Use a copy of the original root for ISO 9660
ISO9660RootDirectory isoRoot = (ISO9660RootDirectory) root.clone();
this.helper = new ISO9660LayoutHelper(this, isoRoot);
if (rrConfig != null) {
this.factory = new ISO9660RockRidgeFactory(this, config, helper, root, isoRoot, volumeFixups);
} else {
this.factory = new ISO9660Factory(this, config, helper, isoRoot, volumeFixups);
}
if (config.dirDepthRestrictedTo8()) {
factory.relocateDirectories();
}
factory.applyNamingConventions();
}
public void startElement(Element element) throws HandlerException {
elements.push(element);
if (element instanceof ISO9660Element) {
String id = (String) element.getId();
process(id);
} else if (element instanceof FileElement) {
FileElement fileElement = (FileElement) element;
factory.doFileFixup(fileElement.getFile());
}
super.startElement(element);
}
private void process(String id) throws HandlerException {
if (id.equals("VDS")) {
doPVD();
} else if (id.equals("PTA")) {
factory.doPT(ISO9660Constants.TYPE_L_PT);
factory.doPT(ISO9660Constants.TYPE_M_PT);
} else if (id.equals("DRA")) {
factory.doDRA();
}
}
private void doPVD() throws HandlerException {
super.startElement(new LogicalSectorElement("PVD"));
PrimaryVolumeDescriptor pvd = new PrimaryVolumeDescriptor(this, helper);
pvd.setMetadata(config);
volumeFixups.putAll(pvd.doPVD());
super.endElement();
}
public void endElement() throws HandlerException {
Element element = (Element) elements.pop();
if (element instanceof ISO9660Element) {
String id = (String) element.getId();
if (id.equals("VDS")) {
// Add VDST
doVDST();
}
}
super.endElement();
}
private void doVDST() throws HandlerException {
super.startElement(new LogicalSectorElement("VDST"));
VolumeDescriptorSetTerminator vdst = new VolumeDescriptorSetTerminator(this, helper);
vdst.doVDST();
super.endElement();
}
public void endDocument() throws HandlerException {
// Write and close Empty File Fixups
factory.doEmptyFileFixups();
// Write and close Volume Space Size Fixup
Fixup volumeSpaceSizeFixup = (Fixup) volumeFixups.get("volumeSpaceSizeFixup");
volumeSpaceSizeFixup.data(new BothWordDataReference(helper.getCurrentLocation()));
volumeSpaceSizeFixup.close();
volumeFixups.remove("volumeSpaceSizeFixup");
super.endDocument();
}
}