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BEGIN LICENSE BLOCK ***** Version: EPL 1.0/GPL 2.0/LGPL 2.1 The contents of this file are subject to the Eclipse Public License Version 1.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.eclipse.org/legal/epl-v10.html Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. Copyright (C) 2006 Tim Azzopardi <tim@tigerfive.com> Alternatively, the contents of this file may be used under the terms of either of the GNU General Public License Version 2 or later (the "GPL"), or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), in which case the provisions of the GPL or the LGPL are applicable instead of those above. If you wish to allow use of your version of this file only under the terms of either the GPL or the LGPL, and not to allow others to use your version of this file under the terms of the EPL, indicate your decision by deleting the provisions above and replace them with the notice and other provisions required by the GPL or the LGPL. If you do not delete the provisions above, a recipient may use your version of this file under the terms of any one of the EPL, the GPL or the LGPL. END LICENSE BLOCK ***
 
 
 package org.jruby.util;
 
 import org.jruby.Ruby;
 
 import java.util.Map;
 import java.util.Set;
 
 public class OSEnvironment {
    
Returns the environment as a hash of Ruby strings.

Parameters:
runtime
 
     public Map getEnvironmentVariableMap(Ruby runtime) {
         Map envs = null;
 
         if (runtime.getInstanceConfig().getEnvironment() != null) {
             return getAsMapOfRubyStrings(runtimeruntime.getInstanceConfig().getEnvironment().entrySet());
         }
 
         // fall back on empty env when security disallows environment var access (like in an applet)
         if (Ruby.isSecurityRestricted()) {
             envs = new HashMap();
         } else {
             Map variables = System.getenv();
             envs = getAsMapOfRubyStrings(runtimevariables.entrySet());
         }
 
         return envs;
 
     }

    
Returns java system properties as a Map<RubyString,RubyString>.

Parameters:
runtime
Returns:
the java system properties as a Map<RubyString,RubyString>.
 
     public Map getSystemPropertiesMap(Ruby runtime) {
         if (Ruby.isSecurityRestricted()) {
             return new HashMap();
         } else {
             return getAsMapOfRubyStrings(runtime, ((Properties)System.getProperties().clone()).entrySet());
         }
     }
 
     private static Map getAsMapOfRubyStrings(Ruby runtimeSet<Map.Entry<ObjectObject>> entrySet) {
         Map envs = new HashMap();
         Encoding encoding = runtime.getEncodingService().getLocaleEncoding();
 
         // On Windows, entrySet doesn't have corresponding keys for these
         if (.) {
             // these may be null when in a restricted environment (JRUBY-6514)
             String home = SafePropertyAccessor.getProperty("user.home");
             String user = SafePropertyAccessor.getProperty("user.name");
             addRubyKeyValuePair(runtimeenvs"HOME"home == null ? "/" : homeencoding);
             addRubyKeyValuePair(runtimeenvs"USER"user == null ? "" : userencoding);
         }
 
         for (Map.Entry<ObjectObjectentry : entrySet) {
             Object tmp = entry.getKey();
             
             if (!(tmp instanceof String)) continue// Java devs can stuff non-string objects into env
             String key = (Stringtmp;
             
             if (. && key.startsWith("=")) continue;
             
            tmp = entry.getValue();
            if (!(tmp instanceof String)) continue// Java devs can stuff non-string objects into env
            addRubyKeyValuePair(runtimeenvskey, (Stringtmpencoding);
        }
        return envs;
    }
    
    private static void addRubyKeyValuePair(Ruby runtimeMap mapString keyString valueEncoding encoding) {
        ByteList keyBytes = new ByteList(key.getBytes(), encoding);
        ByteList valueBytes = new ByteList(value.getBytes(), encoding);
        
        RubyString keyString = runtime.newString(keyBytes);
        RubyString valueString = runtime.newString(valueBytes);
        
        keyString.setFrozen(true);
        valueString.setFrozen(true);
        map.put(keyStringvalueString);
    }
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