/*
* Copyright 2003 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package com.sun.java.util.jar.pack;
import java.util.*;
import java.util.jar.*;
import java.util.jar.Pack200;
import java.util.zip.*;
import java.io.*;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeEvent;
/**
* Control block for publishing Pack200 options to the other classes.
*/
class PropMap extends TreeMap {
ArrayList _listeners = new ArrayList(1);
void addListener(PropertyChangeListener listener) {
_listeners.add(listener);
}
void removeListener(PropertyChangeListener listener) {
_listeners.remove(listener);
}
void addListeners(ArrayList listeners) {
_listeners.addAll(listeners);
}
void removeListeners(ArrayList listeners) {
_listeners.removeAll(listeners);
}
// Override:
public Object put(Object key, Object value) {
Object oldValue = super.put(key, value);
if (value != oldValue && _listeners.size() > 0) {
// Post the property change event.
PropertyChangeEvent event =
new PropertyChangeEvent(this, (String) key,
oldValue, value);
for (Iterator i = _listeners.iterator(); i.hasNext(); ) {
PropertyChangeListener listener =
(PropertyChangeListener) i.next();
listener.propertyChange(event);
}
}
return oldValue;
}
// All this other stuff is private to the current package.
// Outide clients of Pack200 do not need to use it; they can
// get by with generic SortedMap functionality.
private static Map defaultProps;
static {
Properties props = new Properties();
// Allow implementation selected via -Dpack.disable.native=true
props.put(Utils.DEBUG_DISABLE_NATIVE,
String.valueOf(Boolean.getBoolean(Utils.DEBUG_DISABLE_NATIVE)));
// Set the DEBUG_VERBOSE from system
props.put(Utils.DEBUG_VERBOSE,
String.valueOf(Integer.getInteger(Utils.DEBUG_VERBOSE,0)));
// Set the PACK_TIMEZONE_NO_UTC
props.put(Utils.PACK_DEFAULT_TIMEZONE,
String.valueOf(Boolean.getBoolean(Utils.PACK_DEFAULT_TIMEZONE)));
// Limit segment size to less than a megabyte.
props.put(Pack200.Packer.SEGMENT_LIMIT, ""+(1*1000*1000));
// Preserve file ordering by default.
props.put(Pack200.Packer.KEEP_FILE_ORDER, Pack200.Packer.TRUE);
// Preserve all modification times by default.
props.put(Pack200.Packer.MODIFICATION_TIME, Pack200.Packer.KEEP);
// Preserve deflation hints by default.
props.put(Pack200.Packer.DEFLATE_HINT, Pack200.Packer.KEEP);
// Pass through files with unrecognized attributes by default.
props.put(Pack200.Packer.UNKNOWN_ATTRIBUTE, Pack200.Packer.PASS);
// Default effort is 5, midway between 1 and 9.
props.put(Pack200.Packer.EFFORT, "5");
// Define certain attribute layouts by default.
// Do this after the previous props are put in place,
// to allow override if necessary.
try {
String propFile = "intrinsic.properties";
InputStream propStr = PackerImpl.class.getResourceAsStream(propFile);
props.load(new BufferedInputStream(propStr));
propStr.close();
for (Iterator i = props.entrySet().iterator(); i.hasNext(); ) {
Map.Entry e = (Map.Entry) i.next();
String key = (String) e.getKey();
String val = (String) e.getValue();
if (key.startsWith("attribute.")) {
e.setValue(Attribute.normalizeLayoutString(val));
}
}
} catch (IOException ee) {
throw new RuntimeException(ee);
}
defaultProps = (new HashMap(props)); // shrink to fit
}
PropMap() {
putAll(defaultProps);
}
// Return a view of this map which includes only properties
// that begin with the given prefix. This is easy because
// the map is sorted, and has a subMap accessor.
SortedMap prefixMap(String prefix) {
int len = prefix.length();
if (len == 0)
return this;
char nextch = (char)(prefix.charAt(len-1) + 1);
String limit = prefix.substring(0, len-1)+nextch;
//System.out.println(prefix+" => "+subMap(prefix, limit));
return subMap(prefix, limit);
}
String getProperty(String s) {
return (String) get(s);
}
String getProperty(String s, String defaultVal) {
String val = getProperty(s);
if (val == null)
return defaultVal;
return val;
}
String setProperty(String s, String val) {
return (String) put(s, val);
}
// Get sequence of props for "prefix", and "prefix.*".
List getProperties(String prefix) {
Collection values = prefixMap(prefix).values();
ArrayList res = new ArrayList(values.size());
res.addAll(values);
while (res.remove(null));
return res;
}
private boolean toBoolean(String val) {
return Boolean.valueOf(val).booleanValue();
}
boolean getBoolean(String s) {
return toBoolean(getProperty(s));
}
boolean setBoolean(String s, boolean val) {
return toBoolean(setProperty(s, String.valueOf(val)));
}
int toInteger(String val) {
if (val == null) return 0;
if (Pack200.Packer.TRUE.equals(val)) return 1;
if (Pack200.Packer.FALSE.equals(val)) return 0;
return Integer.parseInt(val);
}
int getInteger(String s) {
return toInteger(getProperty(s));
}
int setInteger(String s, int val) {
return toInteger(setProperty(s, String.valueOf(val)));
}
long toLong(String val) {
try {
return val == null ? 0 : Long.parseLong(val);
} catch (java.lang.NumberFormatException nfe) {
throw new IllegalArgumentException("Invalid value");
}
}
long getLong(String s) {
return toLong(getProperty(s));
}
long setLong(String s, long val) {
return toLong(setProperty(s, String.valueOf(val)));
}
int getTime(String s) {
String sval = getProperty(s, "0");
if (Utils.NOW.equals(sval)) {
return (int)((System.currentTimeMillis()+500)/1000);
}
long lval = toLong(sval);
final long recentSecondCount = 1000000000;
if (lval < recentSecondCount*10 && !"0".equals(sval))
Utils.log.warning("Supplied modtime appears to be seconds rather than milliseconds: "+sval);
return (int)((lval+500)/1000);
}
void list(PrintStream out) {
PrintWriter outw = new PrintWriter(out);
list(outw);
outw.flush();
}
void list(PrintWriter out) {
out.println("#"+Utils.PACK_ZIP_ARCHIVE_MARKER_COMMENT+"[");
Set defaults = defaultProps.entrySet();
for (Iterator i = entrySet().iterator(); i.hasNext(); ) {
Map.Entry e = (Map.Entry) i.next();
if (defaults.contains(e)) continue;
out.println(" " + e.getKey() + " = " + e.getValue());
}
out.println("#]");
}
}
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