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Ice is a comprehensive RPC framework that helps you build distributed applications with minimal effort using familiar object-oriented idioms
//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
package Ice;
public final class PropertiesI implements Properties
{
static class PropertyValue
{
public PropertyValue(PropertyValue v)
{
value = v.value;
used = v.used;
}
public PropertyValue(String v, boolean u)
{
value = v;
used = u;
}
public String value;
public boolean used;
}
@Override
public synchronized String
getProperty(String key)
{
PropertyValue pv = _properties.get(key);
if(pv != null)
{
pv.used = true;
return pv.value;
}
else
{
return "";
}
}
@Override
public synchronized String
getPropertyWithDefault(String key, String value)
{
PropertyValue pv = _properties.get(key);
if(pv != null)
{
pv.used = true;
return pv.value;
}
else
{
return value;
}
}
@Override
public int
getPropertyAsInt(String key)
{
return getPropertyAsIntWithDefault(key, 0);
}
@Override
public synchronized int
getPropertyAsIntWithDefault(String key, int value)
{
PropertyValue pv = _properties.get(key);
if(pv != null)
{
pv.used = true;
try
{
return Integer.parseInt(pv.value);
}
catch(NumberFormatException ex)
{
Ice.Util.getProcessLogger().warning("numeric property " + key +
" set to non-numeric value, defaulting to " + value);
}
}
return value;
}
@Override
public String[]
getPropertyAsList(String key)
{
return getPropertyAsListWithDefault(key, null);
}
@Override
public synchronized String[]
getPropertyAsListWithDefault(String key, String[] value)
{
if(value == null)
{
value = new String[0];
}
PropertyValue pv = _properties.get(key);
if(pv != null)
{
pv.used = true;
String[] result = IceUtilInternal.StringUtil.splitString(pv.value, ", \t\r\n");
if(result == null)
{
Ice.Util.getProcessLogger().warning("mismatched quotes in property " + key
+ "'s value, returning default value");
return value;
}
if(result.length == 0)
{
result = value;
}
return result;
}
else
{
return value;
}
}
@Override
public synchronized java.util.Map
getPropertiesForPrefix(String prefix)
{
java.util.HashMap result = new java.util.HashMap();
for(java.util.Map.Entry p : _properties.entrySet())
{
String key = p.getKey();
if(prefix.length() == 0 || key.startsWith(prefix))
{
PropertyValue pv = p.getValue();
pv.used = true;
result.put(key, pv.value);
}
}
return result;
}
@Override
public void
setProperty(String key, String value)
{
//
// Trim whitespace
//
if(key != null)
{
key = key.trim();
}
//
// Check if the property is legal.
//
Logger logger = Ice.Util.getProcessLogger();
if(key == null || key.length() == 0)
{
throw new Ice.InitializationException("Attempt to set property with empty key");
}
int dotPos = key.indexOf('.');
if(dotPos != -1)
{
String prefix = key.substring(0, dotPos);
for(int i = 0; IceInternal.PropertyNames.validProps[i] != null; ++i)
{
String pattern = IceInternal.PropertyNames.validProps[i][0].pattern();
dotPos = pattern.indexOf('.');
//
// Each top level prefix describes a non-empty namespace. Having a string without a
// prefix followed by a dot is an error.
//
assert(dotPos != -1);
String propPrefix = pattern.substring(0, dotPos - 1);
boolean mismatchCase = false;
String otherKey = "";
if(!propPrefix.toUpperCase().equals(prefix.toUpperCase()))
{
continue;
}
boolean found = false;
for(int j = 0; IceInternal.PropertyNames.validProps[i][j] != null && !found; ++j)
{
pattern = IceInternal.PropertyNames.validProps[i][j].pattern();
java.util.regex.Pattern pComp = java.util.regex.Pattern.compile(pattern);
java.util.regex.Matcher m = pComp.matcher(key);
found = m.matches();
if(found && IceInternal.PropertyNames.validProps[i][j].deprecated())
{
logger.warning("deprecated property: " + key);
if(IceInternal.PropertyNames.validProps[i][j].deprecatedBy() != null)
{
key = IceInternal.PropertyNames.validProps[i][j].deprecatedBy();
}
}
if(!found)
{
pComp = java.util.regex.Pattern.compile(pattern.toUpperCase());
m = pComp.matcher(key.toUpperCase());
if(m.matches())
{
found = true;
mismatchCase = true;
otherKey = pattern.replaceAll("\\\\", "");
break;
}
}
}
if(!found)
{
logger.warning("unknown property: " + key);
}
else if(mismatchCase)
{
logger.warning("unknown property: `" + key + "'; did you mean `" + otherKey + "'");
}
}
}
synchronized(this)
{
//
// Set or clear the property.
//
if(value != null && value.length() > 0)
{
PropertyValue pv = _properties.get(key);
if(pv != null)
{
pv.value = value;
}
else
{
pv = new PropertyValue(value, false);
}
_properties.put(key, pv);
}
else
{
_properties.remove(key);
}
}
}
@Override
public synchronized String[]
getCommandLineOptions()
{
String[] result = new String[_properties.size()];
int i = 0;
for(java.util.Map.Entry p : _properties.entrySet())
{
result[i++] = "--" + p.getKey() + "=" + p.getValue().value;
}
assert(i == result.length);
return result;
}
@Override
public String[]
parseCommandLineOptions(String pfx, String[] options)
{
if(pfx.length() > 0 && pfx.charAt(pfx.length() - 1) != '.')
{
pfx += '.';
}
pfx = "--" + pfx;
java.util.ArrayList result = new java.util.ArrayList();
for(String opt : options)
{
if(opt.startsWith(pfx))
{
if(opt.indexOf('=') == -1)
{
opt += "=1";
}
parseLine(opt.substring(2));
}
else
{
result.add(opt);
}
}
return result.toArray(new String[0]);
}
@Override
public String[]
parseIceCommandLineOptions(String[] options)
{
String[] args = options;
for(int i = 0; IceInternal.PropertyNames.clPropNames[i] != null; ++i)
{
args = parseCommandLineOptions(IceInternal.PropertyNames.clPropNames[i], args);
}
return args;
}
@Override
public void
load(String file)
{
if(System.getProperty("os.name").startsWith("Windows") &&
(file.startsWith("HKCU\\") || file.startsWith("HKLM\\")))
{
String regQuery = "reg query " + file;
try
{
java.lang.Process process = Runtime.getRuntime().exec(regQuery);
process.waitFor();
if(process.exitValue() != 0)
{
InitializationException ie = new InitializationException();
ie.reason = "Could not read Windows registry key `" + file + "'";
throw ie;
}
java.io.InputStream is = process.getInputStream();
java.io.StringWriter sw = new java.io.StringWriter();
int c;
while((c = is.read()) != -1)
{
sw.write(c);
}
String[] result = sw.toString().split("\n");
for(String line : result)
{
int pos = line.indexOf("REG_SZ");
if(pos != -1)
{
setProperty(line.substring(0, pos).trim(), line.substring(pos + 6, line.length()).trim());
continue;
}
pos = line.indexOf("REG_EXPAND_SZ");
if(pos != -1)
{
String name = line.substring(0, pos).trim();
line = line.substring(pos + 13, line.length()).trim();
while(true)
{
int start = line.indexOf("%", 0);
int end = line.indexOf("%", start + 1);
//
// If there isn't more %var% break the loop
//
if(start == -1 || end == -1)
{
break;
}
String envKey = line.substring(start + 1, end);
String envValue = System.getenv(envKey);
if(envValue == null)
{
envValue = "";
}
envKey = "%" + envKey + "%";
do
{
line = line.replace(envKey , envValue);
}
while(line.indexOf(envKey) != -1);
}
setProperty(name, line);
continue;
}
}
}
catch(Ice.LocalException ex)
{
throw ex;
}
catch(java.lang.Exception ex)
{
throw new InitializationException("Could not read Windows registry key `" + file + "'", ex);
}
}
else
{
java.io.PushbackInputStream is = null;
try
{
java.io.InputStream f = IceInternal.Util.openResource(getClass().getClassLoader(), file);
if(f == null)
{
FileException fe = new FileException();
fe.path = file;
throw fe;
}
//
// Skip UTF-8 BOM if present.
//
byte[] bom = new byte[3];
is = new java.io.PushbackInputStream(f, bom.length);
int read = is.read(bom, 0, bom.length);
if(read < 3 || bom[0] != (byte)0xEF || bom[1] != (byte)0xBB || bom[2] != (byte)0xBF)
{
if(read > 0)
{
is.unread(bom, 0, read);
}
}
java.io.InputStreamReader isr = new java.io.InputStreamReader(is, "UTF-8");
java.io.BufferedReader br = new java.io.BufferedReader(isr);
parse(br);
}
catch(java.io.IOException ex)
{
throw new FileException(0, file, ex);
}
finally
{
if(is != null)
{
try
{
is.close();
}
catch(Throwable ex)
{
// Ignore.
}
}
}
}
}
@Override
public synchronized Properties
_clone()
{
return new PropertiesI(this);
}
public synchronized java.util.List
getUnusedProperties()
{
java.util.List unused = new java.util.ArrayList();
for(java.util.Map.Entry p : _properties.entrySet())
{
PropertyValue pv = p.getValue();
if(!pv.used)
{
unused.add(p.getKey());
}
}
return unused;
}
PropertiesI(PropertiesI props)
{
//
// NOTE: we can't just do a shallow copy of the map as the map values
// would otherwise be shared between the two PropertiesI object.
//
//_properties = new java.util.HashMap(props._properties);
for(java.util.Map.Entry p : props._properties.entrySet())
{
_properties.put(p.getKey(), new PropertyValue(p.getValue()));
}
}
PropertiesI()
{
}
PropertiesI(StringSeqHolder args, Properties defaults)
{
if(defaults != null)
{
//
// NOTE: we can't just do a shallow copy of the map as the map values
// would otherwise be shared between the two PropertiesI object.
//
//_properties = new java.util.HashMap(((PropertiesI)defaults)._properties);
for(java.util.Map.Entry p : (((PropertiesI)defaults)._properties).entrySet())
{
_properties.put(p.getKey(), new PropertyValue(p.getValue()));
}
}
boolean loadConfigFiles = false;
for(int i = 0; i < args.value.length; i++)
{
if(args.value[i].startsWith("--Ice.Config"))
{
String line = args.value[i];
if(line.indexOf('=') == -1)
{
line += "=1";
}
parseLine(line.substring(2));
loadConfigFiles = true;
String[] arr = new String[args.value.length - 1];
System.arraycopy(args.value, 0, arr, 0, i);
if(i < args.value.length - 1)
{
System.arraycopy(args.value, i + 1, arr, i, args.value.length - i - 1);
}
args.value = arr;
}
}
if(!loadConfigFiles)
{
//
// If Ice.Config is not set, load from ICE_CONFIG (if set)
//
loadConfigFiles = !_properties.containsKey("Ice.Config");
}
if(loadConfigFiles)
{
loadConfig();
}
args.value = parseIceCommandLineOptions(args.value);
}
private void
parse(java.io.BufferedReader in)
{
try
{
String line;
while((line = in.readLine()) != null)
{
parseLine(line);
}
}
catch(java.io.IOException ex)
{
throw new SyscallException(ex);
}
}
private static final int ParseStateKey = 0;
private static final int ParseStateValue = 1;
private void
parseLine(String line)
{
String key = "";
String value = "";
int state = ParseStateKey;
String whitespace = "";
String escapedspace = "";
boolean finished = false;
for(int i = 0; i < line.length(); ++i)
{
char c = line.charAt(i);
switch(state)
{
case ParseStateKey:
{
switch(c)
{
case '\\':
if(i < line.length() - 1)
{
c = line.charAt(++i);
switch(c)
{
case '\\':
case '#':
case '=':
key += whitespace;
whitespace = "";
key += c;
break;
case ' ':
if(key.length() != 0)
{
whitespace += c;
}
break;
default:
key += whitespace;
whitespace = "";
key += '\\';
key += c;
break;
}
}
else
{
key += whitespace;
key += c;
}
break;
case ' ':
case '\t':
case '\r':
case '\n':
if(key.length() != 0)
{
whitespace += c;
}
break;
case '=':
whitespace = "";
state = ParseStateValue;
break;
case '#':
finished = true;
break;
default:
key += whitespace;
whitespace = "";
key += c;
break;
}
break;
}
case ParseStateValue:
{
switch(c)
{
case '\\':
if(i < line.length() - 1)
{
c = line.charAt(++i);
switch(c)
{
case '\\':
case '#':
case '=':
value += value.length() == 0 ? escapedspace : whitespace;
whitespace = "";
escapedspace = "";
value += c;
break;
case ' ':
whitespace += c;
escapedspace += c;
break;
default:
value += value.length() == 0 ? escapedspace : whitespace;
whitespace = "";
escapedspace = "";
value += '\\';
value += c;
break;
}
}
else
{
value += value.length() == 0 ? escapedspace : whitespace;
value += c;
}
break;
case ' ':
case '\t':
case '\r':
case '\n':
if(value.length() != 0)
{
whitespace += c;
}
break;
case '#':
finished = true;
break;
default:
value += value.length() == 0 ? escapedspace : whitespace;
whitespace = "";
escapedspace = "";
value += c;
break;
}
break;
}
}
if(finished)
{
break;
}
}
value += escapedspace;
if((state == ParseStateKey && key.length() != 0) || (state == ParseStateValue && key.length() == 0))
{
Ice.Util.getProcessLogger().warning("invalid config file entry: \"" + line + "\"");
return;
}
else if(key.length() == 0)
{
return;
}
setProperty(key, value);
}
private void
loadConfig()
{
String value = getProperty("Ice.Config");
if(value.length() == 0 || value.equals("1"))
{
try
{
value = System.getenv("ICE_CONFIG");
if(value == null)
{
value = "";
}
}
catch(java.lang.SecurityException ex)
{
value = "";
}
}
if(value.length() > 0)
{
for(String file : value.split(","))
{
load(file.trim());
}
_properties.put("Ice.Config", new PropertyValue(value, true));
}
}
private java.util.HashMap _properties = new java.util.HashMap();
}