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/*
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* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.java.util.jar.pack;
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import java.util.*;
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import java.util.jar.*;
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import java.util.jar.Pack200;
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import java.util.zip.*;
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import java.io.*;
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import java.beans.PropertyChangeListener;
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import java.beans.PropertyChangeEvent;
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/**
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* Control block for publishing Pack200 options to the other classes.
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*/
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class PropMap extends TreeMap {
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ArrayList _listeners = new ArrayList(1);
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void addListener(PropertyChangeListener listener) {
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_listeners.add(listener);
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}
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void removeListener(PropertyChangeListener listener) {
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_listeners.remove(listener);
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}
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void addListeners(ArrayList listeners) {
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_listeners.addAll(listeners);
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}
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void removeListeners(ArrayList listeners) {
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_listeners.removeAll(listeners);
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}
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// Override:
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public Object put(Object key, Object value) {
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Object oldValue = super.put(key, value);
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if (value != oldValue && _listeners.size() > 0) {
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// Post the property change event.
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PropertyChangeEvent event =
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new PropertyChangeEvent(this, (String) key,
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oldValue, value);
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for (Iterator i = _listeners.iterator(); i.hasNext(); ) {
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PropertyChangeListener listener =
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(PropertyChangeListener) i.next();
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listener.propertyChange(event);
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}
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}
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return oldValue;
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}
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// All this other stuff is private to the current package.
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// Outide clients of Pack200 do not need to use it; they can
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// get by with generic SortedMap functionality.
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private static Map defaultProps;
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static {
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Properties props = new Properties();
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// Allow implementation selected via -Dpack.disable.native=true
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props.put(Utils.DEBUG_DISABLE_NATIVE,
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String.valueOf(Boolean.getBoolean(Utils.DEBUG_DISABLE_NATIVE)));
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// Set the DEBUG_VERBOSE from system
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props.put(Utils.DEBUG_VERBOSE,
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String.valueOf(Integer.getInteger(Utils.DEBUG_VERBOSE,0)));
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// Set the PACK_TIMEZONE_NO_UTC
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props.put(Utils.PACK_DEFAULT_TIMEZONE,
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String.valueOf(Boolean.getBoolean(Utils.PACK_DEFAULT_TIMEZONE)));
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// Limit segment size to less than a megabyte.
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props.put(Pack200.Packer.SEGMENT_LIMIT, ""+(1*1000*1000));
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// Preserve file ordering by default.
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props.put(Pack200.Packer.KEEP_FILE_ORDER, Pack200.Packer.TRUE);
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// Preserve all modification times by default.
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props.put(Pack200.Packer.MODIFICATION_TIME, Pack200.Packer.KEEP);
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// Preserve deflation hints by default.
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props.put(Pack200.Packer.DEFLATE_HINT, Pack200.Packer.KEEP);
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// Pass through files with unrecognized attributes by default.
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props.put(Pack200.Packer.UNKNOWN_ATTRIBUTE, Pack200.Packer.PASS);
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// Default effort is 5, midway between 1 and 9.
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props.put(Pack200.Packer.EFFORT, "5");
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// Define certain attribute layouts by default.
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// Do this after the previous props are put in place,
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// to allow override if necessary.
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try {
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String propFile = "intrinsic.properties";
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InputStream propStr = PackerImpl.class.getResourceAsStream(propFile);
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props.load(new BufferedInputStream(propStr));
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propStr.close();
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for (Iterator i = props.entrySet().iterator(); i.hasNext(); ) {
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Map.Entry e = (Map.Entry) i.next();
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String key = (String) e.getKey();
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String val = (String) e.getValue();
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if (key.startsWith("attribute.")) {
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e.setValue(Attribute.normalizeLayoutString(val));
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}
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}
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} catch (IOException ee) {
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throw new RuntimeException(ee);
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}
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defaultProps = (new HashMap(props)); // shrink to fit
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}
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PropMap() {
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putAll(defaultProps);
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}
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// Return a view of this map which includes only properties
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// that begin with the given prefix. This is easy because
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// the map is sorted, and has a subMap accessor.
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SortedMap prefixMap(String prefix) {
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int len = prefix.length();
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if (len == 0)
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return this;
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char nextch = (char)(prefix.charAt(len-1) + 1);
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String limit = prefix.substring(0, len-1)+nextch;
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//System.out.println(prefix+" => "+subMap(prefix, limit));
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return subMap(prefix, limit);
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}
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String getProperty(String s) {
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return (String) get(s);
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}
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String getProperty(String s, String defaultVal) {
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String val = getProperty(s);
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if (val == null)
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return defaultVal;
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return val;
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}
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String setProperty(String s, String val) {
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return (String) put(s, val);
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}
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// Get sequence of props for "prefix", and "prefix.*".
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List getProperties(String prefix) {
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Collection values = prefixMap(prefix).values();
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ArrayList res = new ArrayList(values.size());
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res.addAll(values);
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while (res.remove(null));
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return res;
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}
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private boolean toBoolean(String val) {
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return Boolean.valueOf(val).booleanValue();
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}
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boolean getBoolean(String s) {
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return toBoolean(getProperty(s));
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}
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boolean setBoolean(String s, boolean val) {
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return toBoolean(setProperty(s, String.valueOf(val)));
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}
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int toInteger(String val) {
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if (val == null) return 0;
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if (Pack200.Packer.TRUE.equals(val)) return 1;
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if (Pack200.Packer.FALSE.equals(val)) return 0;
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return Integer.parseInt(val);
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}
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int getInteger(String s) {
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return toInteger(getProperty(s));
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}
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int setInteger(String s, int val) {
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return toInteger(setProperty(s, String.valueOf(val)));
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}
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long toLong(String val) {
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try {
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return val == null ? 0 : Long.parseLong(val);
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} catch (java.lang.NumberFormatException nfe) {
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throw new IllegalArgumentException("Invalid value");
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}
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}
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long getLong(String s) {
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return toLong(getProperty(s));
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}
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long setLong(String s, long val) {
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return toLong(setProperty(s, String.valueOf(val)));
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}
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int getTime(String s) {
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String sval = getProperty(s, "0");
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if (Utils.NOW.equals(sval)) {
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return (int)((System.currentTimeMillis()+500)/1000);
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}
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long lval = toLong(sval);
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final long recentSecondCount = 1000000000;
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if (lval < recentSecondCount*10 && !"0".equals(sval))
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Utils.log.warning("Supplied modtime appears to be seconds rather than milliseconds: "+sval);
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return (int)((lval+500)/1000);
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}
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void list(PrintStream out) {
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PrintWriter outw = new PrintWriter(out);
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list(outw);
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outw.flush();
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}
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void list(PrintWriter out) {
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out.println("#"+Utils.PACK_ZIP_ARCHIVE_MARKER_COMMENT+"[");
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Set defaults = defaultProps.entrySet();
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for (Iterator i = entrySet().iterator(); i.hasNext(); ) {
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Map.Entry e = (Map.Entry) i.next();
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if (defaults.contains(e)) continue;
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out.println(" " + e.getKey() + " = " + e.getValue());
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}
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out.println("#]");
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}
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}
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