author | henryjen |
Fri, 15 Jun 2018 17:34:01 -0700 | |
changeset 50603 | 95c0644a1c47 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2015, 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.io.IOException; |
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import java.io.InputStream; |
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import java.io.PrintStream; |
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import java.io.PrintWriter; |
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import java.security.AccessController; |
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import java.security.PrivilegedAction; |
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import java.util.ArrayList; |
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import java.util.Collection; |
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import java.util.Comparator; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Properties; |
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import java.util.Set; |
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import java.util.SortedMap; |
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import java.util.TreeMap; |
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import java.util.jar.Pack200; |
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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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@SuppressWarnings({"removal"}) |
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final class PropMap implements SortedMap<String, String> { |
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private final TreeMap<String, String> theMap = new TreeMap<>();; |
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// Override: |
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public String put(String key, String value) { |
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String oldValue = theMap.put(key, value); |
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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<String, String> 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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String propValue = getPropertyValue(Utils.DEBUG_DISABLE_NATIVE, "false"); |
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props.put(Utils.DEBUG_DISABLE_NATIVE, |
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String.valueOf(Boolean.parseBoolean(propValue))); |
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// Set the DEBUG_VERBOSE from system |
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int verbose = 0; |
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try { |
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verbose = Integer.decode(getPropertyValue(Utils.DEBUG_VERBOSE, "0")); |
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} catch (NumberFormatException e) { |
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} |
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props.put(Utils.DEBUG_VERBOSE, String.valueOf(verbose)); |
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// The segment size is unlimited |
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props.put(Pack200.Packer.SEGMENT_LIMIT, "-1"); |
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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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// Pass through files with unrecognized format by default, also |
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// allow system property to be set |
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props.put(Utils.CLASS_FORMAT_ERROR, |
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getPropertyValue(Utils.CLASS_FORMAT_ERROR, 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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String propFile = "intrinsic.properties"; |
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PrivilegedAction<InputStream> pa = |
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() -> PackerImpl.class.getResourceAsStream(propFile); |
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try (InputStream propStr = AccessController.doPrivileged(pa)) { |
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if (propStr == null) { |
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throw new RuntimeException(propFile + " cannot be loaded"); |
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} |
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props.load(propStr); |
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} catch (IOException ee) { |
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throw new RuntimeException(ee); |
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} |
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for (Map.Entry<Object, Object> e : props.entrySet()) { |
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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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@SuppressWarnings({"unchecked", "rawtypes"}) |
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HashMap<String, String> temp = new HashMap(props); // shrink to fit |
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defaultProps = temp; |
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} |
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private static String getPropertyValue(String key, String defaultValue) { |
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PrivilegedAction<String> pa = () -> System.getProperty(key); |
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String s = AccessController.doPrivileged(pa); |
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return s != null ? s : defaultValue; |
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} |
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PropMap() { |
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theMap.putAll(defaultProps); |
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} |
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// Return a view of this map which includes only properties |
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143 |
// 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<String, String> prefixMap(String prefix) { |
2 | 146 |
int len = prefix.length(); |
147 |
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 get(s); |
2 | 157 |
} |
158 |
String getProperty(String s, String defaultVal) { |
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String val = getProperty(s); |
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160 |
if (val == null) |
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161 |
return defaultVal; |
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162 |
return val; |
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163 |
} |
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164 |
String setProperty(String s, String val) { |
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return put(s, val); |
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} |
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168 |
// Get sequence of props for "prefix", and "prefix.*". |
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List<String> getProperties(String prefix) { |
170 |
Collection<String> values = prefixMap(prefix).values(); |
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171 |
List<String> res = new ArrayList<>(values.size()); |
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2 | 172 |
res.addAll(values); |
173 |
while (res.remove(null)); |
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return res; |
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175 |
} |
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177 |
private boolean toBoolean(String val) { |
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178 |
return Boolean.valueOf(val).booleanValue(); |
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179 |
} |
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180 |
boolean getBoolean(String s) { |
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181 |
return toBoolean(getProperty(s)); |
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182 |
} |
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183 |
boolean setBoolean(String s, boolean val) { |
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184 |
return toBoolean(setProperty(s, String.valueOf(val))); |
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185 |
} |
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int toInteger(String val) { |
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return toInteger(val, 0); |
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} |
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int toInteger(String val, int def) { |
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if (val == null) return def; |
2 | 191 |
if (Pack200.Packer.TRUE.equals(val)) return 1; |
192 |
if (Pack200.Packer.FALSE.equals(val)) return 0; |
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193 |
return Integer.parseInt(val); |
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194 |
} |
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int getInteger(String s, int def) { |
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return toInteger(getProperty(s), def); |
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197 |
} |
2 | 198 |
int getInteger(String s) { |
199 |
return toInteger(getProperty(s)); |
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200 |
} |
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201 |
int setInteger(String s, int val) { |
|
202 |
return toInteger(setProperty(s, String.valueOf(val))); |
|
203 |
} |
|
204 |
||
205 |
long toLong(String val) { |
|
206 |
try { |
|
207 |
return val == null ? 0 : Long.parseLong(val); |
|
208 |
} catch (java.lang.NumberFormatException nfe) { |
|
209 |
throw new IllegalArgumentException("Invalid value"); |
|
210 |
} |
|
211 |
} |
|
212 |
long getLong(String s) { |
|
213 |
return toLong(getProperty(s)); |
|
214 |
} |
|
215 |
long setLong(String s, long val) { |
|
216 |
return toLong(setProperty(s, String.valueOf(val))); |
|
217 |
} |
|
218 |
||
219 |
int getTime(String s) { |
|
220 |
String sval = getProperty(s, "0"); |
|
221 |
if (Utils.NOW.equals(sval)) { |
|
222 |
return (int)((System.currentTimeMillis()+500)/1000); |
|
223 |
} |
|
224 |
long lval = toLong(sval); |
|
225 |
final long recentSecondCount = 1000000000; |
|
226 |
||
227 |
if (lval < recentSecondCount*10 && !"0".equals(sval)) |
|
228 |
Utils.log.warning("Supplied modtime appears to be seconds rather than milliseconds: "+sval); |
|
229 |
||
230 |
return (int)((lval+500)/1000); |
|
231 |
} |
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232 |
||
233 |
void list(PrintStream out) { |
|
234 |
PrintWriter outw = new PrintWriter(out); |
|
235 |
list(outw); |
|
236 |
outw.flush(); |
|
237 |
} |
|
238 |
void list(PrintWriter out) { |
|
239 |
out.println("#"+Utils.PACK_ZIP_ARCHIVE_MARKER_COMMENT+"["); |
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10115 | 240 |
Set<Map.Entry<String, String>> defaults = defaultProps.entrySet(); |
241 |
for (Map.Entry<String, String> e : theMap.entrySet()) { |
|
2 | 242 |
if (defaults.contains(e)) continue; |
243 |
out.println(" " + e.getKey() + " = " + e.getValue()); |
|
244 |
} |
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245 |
out.println("#]"); |
|
246 |
} |
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@Override |
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public int size() { |
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return theMap.size(); |
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} |
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|
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@Override |
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public boolean isEmpty() { |
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return theMap.isEmpty(); |
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} |
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|
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@Override |
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public boolean containsKey(Object key) { |
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return theMap.containsKey(key); |
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} |
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262 |
|
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@Override |
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public boolean containsValue(Object value) { |
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return theMap.containsValue(value); |
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} |
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267 |
|
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@Override |
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public String get(Object key) { |
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return theMap.get(key); |
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} |
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272 |
|
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@Override |
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public String remove(Object key) { |
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return theMap.remove(key); |
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} |
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|
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@Override |
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public void putAll(Map<? extends String, ? extends String> m) { |
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theMap.putAll(m); |
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} |
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282 |
|
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283 |
@Override |
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public void clear() { |
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theMap.clear(); |
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} |
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287 |
|
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@Override |
10115 | 289 |
public Set<String> keySet() { |
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return theMap.keySet(); |
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} |
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292 |
|
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@Override |
10115 | 294 |
public Collection<String> values() { |
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return theMap.values(); |
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} |
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297 |
|
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@Override |
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public Set<Map.Entry<String, String>> entrySet() { |
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return theMap.entrySet(); |
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} |
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302 |
|
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@Override |
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public Comparator<? super String> comparator() { |
305 |
return theMap.comparator(); |
|
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306 |
} |
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307 |
|
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@Override |
10115 | 309 |
public SortedMap<String, String> subMap(String fromKey, String toKey) { |
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return theMap.subMap(fromKey, toKey); |
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} |
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|
312 |
|
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@Override |
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public SortedMap<String, String> headMap(String toKey) { |
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return theMap.headMap(toKey); |
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} |
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317 |
|
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@Override |
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public SortedMap<String, String> tailMap(String fromKey) { |
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return theMap.tailMap(fromKey); |
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} |
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322 |
|
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@Override |
10115 | 324 |
public String firstKey() { |
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return theMap.firstKey(); |
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} |
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327 |
|
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@Override |
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public String lastKey() { |
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return theMap.lastKey(); |
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} |
2 | 332 |
} |