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jruby/src/org/jruby/embed/ScriptingContainer.java at parallel_boot · MSNexploder/jruby · GitHub
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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) 2009-2013 Yoko Harada <yokolet@gmail.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
.
embed
;
import
java
.
io
.
UnsupportedEncodingException
;
import
org
.
jruby
.
embed
.
internal
.
LocalContextProvider
;
import
java
.
io
.
InputStream
;
import
java
.
io
.
PrintStream
;
import
java
.
io
.
PrintWriter
;
import
java
.
io
.
Reader
;
import
java
.
io
.
Writer
;
import
java
.
net
.
URISyntaxException
;
import
java
.
util
.
HashMap
;
import
java
.
util
.
List
;
import
java
.
util
.
Map
;
import
org
.
jruby
.
CompatVersion
;
import
org
.
jruby
.
Profile
;
import
org
.
jruby
.
Ruby
;
import
org
.
jruby
.
RubyGlobal
.
InputGlobalVariable
;
import
org
.
jruby
.
RubyGlobal
.
OutputGlobalVariable
;
import
org
.
jruby
.
RubyIO
;
import
org
.
jruby
.
RubyInstanceConfig
.
CompileMode
;
import
org
.
jruby
.
RubyInstanceConfig
.
LoadServiceCreator
;
import
org
.
jruby
.
RubyInstanceConfig
.
ProfilingMode
;
import
org
.
jruby
.
embed
.
internal
.
BiVariableMap
;
import
org
.
jruby
.
embed
.
internal
.
ConcurrentLocalContextProvider
;
import
org
.
jruby
.
embed
.
internal
.
EmbedRubyInterfaceAdapterImpl
;
import
org
.
jruby
.
embed
.
internal
.
EmbedRubyObjectAdapterImpl
;
import
org
.
jruby
.
embed
.
internal
.
EmbedRubyRuntimeAdapterImpl
;
import
org
.
jruby
.
embed
.
internal
.
SingleThreadLocalContextProvider
;
import
org
.
jruby
.
embed
.
internal
.
SingletonLocalContextProvider
;
import
org
.
jruby
.
embed
.
internal
.
ThreadSafeLocalContextProvider
;
import
org
.
jruby
.
embed
.
io
.
ReaderInputStream
;
import
org
.
jruby
.
embed
.
io
.
WriterOutputStream
;
import
org
.
jruby
.
embed
.
util
.
SystemPropertyCatcher
;
import
org
.
jruby
.
internal
.
runtime
.
GlobalVariable
;
import
org
.
jruby
.
javasupport
.
JavaEmbedUtils
;
import
org
.
jruby
.
runtime
.
Block
;
import
org
.
jruby
.
runtime
.
builtin
.
IRubyObject
;
import
org
.
jruby
.
util
.
ClassCache
;
import
org
.
jruby
.
util
.
KCode
;
import
org
.
jruby
.
util
.
cli
.
OutputStrings
;
/**
* ScriptingContainer provides various methods and resources that are useful
* for embedding Ruby in Java. Using this class, users can run Ruby scripts from
* Java programs easily. Also, users can use methods defined or implemented by Ruby.
*
* ScriptingContainer allows users to set various configuration parameters.
* Some of them are per-container properties, while others are per-evaluation attributes.
* For example, a local context scope, local variable behavior, load paths are
* per-container properties. Please see {@link PropertyName} and {@link AttributeName}
* for more details. Be aware that the per-container properties should be set prior to
* get Ruby runtime be instantiated; otherwise, default values are applied to.
* ScriptingContainer delays Ruby runtime initialization as much as possible to
* improve startup time. When values are put into the ScriptingContainer, or runScriptlet
* method gets run Ruby runtime is created internally. However, the default, singleton
* local context scope behave slightly different. If Ruby runtime has been already instantiated
* by another ScriptingContainer, application, etc, the same runtime will be used.
*
* Below are examples.
*
* The first Example is a very simple Hello World. After initializing a ScriptingContainer,
* a Ruby script, puts "Hello World!", runs and produces "Hello World!."
* <pre>Example 1:
*
* ScriptingContainer container = new ScriptingContainer();
* container.runScriptlet("puts \"Hello World!\"");
*
* Produces:
* Hello World!</pre>
*
* The second example shows how to share variables between Java and Ruby.
* In this example, a local variable "x" is shared. To make this happen, a local variable
* behavior should be transient or persistent. As for JSR223 JRuby engine, set these
* types using System property, org.jruby.embed.localvariable.behavior. If the local
* variable behavior is one of transient or persistent,
* Ruby's local, instance, global variables and constants are available to share
* between Java and Ruby. (A class variable sharing does not work on current version)
* Thus, "x" in Java is also "x" in Ruby.
*
* <pre>Example 2:
*
* ScriptingContainer container = new ScriptingContainer();
* container.put("x", 12345);
* container.runScriptlet("puts x.to_s(2)");
*
* Produces:
* 11000000111001</pre>
*
* The third examples shows how to keep local variables across multiple evaluations.
* This feature simulates BSF engine for JRuby. In terms of Ruby semantics,
* local variables should not survive after the evaluation has completed. Thus,
* this behavior is optional, and users need to specify LocalVariableBehavior.PERSISTENT
* when the container is instantiated.
*
* <pre>Example 3:
*
* ScriptingContainer container = new ScriptingContainer(LocalVariableBehavior.PERSISTENT);
* container.runScriptlet("p=9.0");
* container.runScriptlet("q = Math.sqrt p");
* container.runScriptlet("puts \"square root of #{p} is #{q}\"");
* System.out.println("Ruby used values: p = " + container.get("p") +
* ", q = " + container.get("q"));
*
* Produces:
* square root of 9.0 is 3.0
* Ruby used values: p = 9.0, q = 3.0</pre>
*
* Also, ScriptingContainer provides better i18n support. For example,
* Unicode Escape Sequence can be included in Ruby scripts.
*
* <p>In addition, ScriptingContainer supports a parse-once-eval-many-times feature,
* invoking methods defined by Ruby, and getting an instance of a specified interface
* that has been implemented by Ruby.
*
* <pre>Example 4:
* ScriptingContainer container = new ScriptingContainer();
* script =
* "def message\n" +
* "\"message: #{@message}\"\n" +
* "end\n" +
* "message";
* container.put("@message", "What's up?");
* EvalUnit unit = container.parse(script);
* IRubyObject ret = unit.run();
* System.out.println(JavaEmbedUtils.rubyToJava(ret));
* container.put("@message", "Fabulous!");
* ret = unit.run();
* System.out.println(JavaEmbedUtils.rubyToJava(ret));
* container.put("@message", "That's the way you are.");
* ret = unit.run();
* System.out.println(JavaEmbedUtils.rubyToJava(ret));
*
* Produces:
* message: What's up?
* message: Fabulous!
* message: That's the way you are.</pre>
*
* See more details at project's
* {@see <a href="https://github.com/jruby/jruby/wiki/RedBridge">Wiki</a>}
*
* @author Yoko Harada <yokolet@gmail.com>
*/
public
class
ScriptingContainer
implements
EmbedRubyInstanceConfigAdapter
{
private
Map
basicProperties
=
null
;
private
LocalContextProvider
provider
=
null
;
private
EmbedRubyRuntimeAdapter
runtimeAdapter
=
new
EmbedRubyRuntimeAdapterImpl
(
this
);
private
EmbedRubyObjectAdapter
objectAdapter
=
new
EmbedRubyObjectAdapterImpl
(
this
);
private
EmbedRubyInterfaceAdapter
interfaceAdapter
=
new
EmbedRubyInterfaceAdapterImpl
(
this
);
/**
* Constructs a ScriptingContainer with a default values.
*/
public
ScriptingContainer
() {
this
(
LocalContextScope
.
SINGLETON
,
LocalVariableBehavior
.
TRANSIENT
,
true
);
}
/**
* Constructs a ScriptingContainer with a specified local context type.
*
* @param scope a local context type.
*/
public
ScriptingContainer
(
LocalContextScope
scope
) {
this
(
scope
,
LocalVariableBehavior
.
TRANSIENT
,
true
);
}
/**
* Constructs a ScriptingContainer with a specified local variable behavior.
*
* @param behavior a local variable behavior
*/
public
ScriptingContainer
(
LocalVariableBehavior
behavior
) {
this
(
LocalContextScope
.
SINGLETON
,
behavior
,
true
);
}
/**
* Constructs a ScriptingContainer with a specified local context type and
* variable behavior.
*
* @param scope a local context type
* @param behavior a local variable behavior
*/
public
ScriptingContainer
(
LocalContextScope
scope
,
LocalVariableBehavior
behavior
) {
this
(
scope
,
behavior
,
true
);
}
/**
* Constructs a ScriptingContainer with a specified local context scope,
* local variable behavior and laziness.
*
* @param scope is one of a local context scope defined by {@link LocalContextScope}
* @param behavior is one of a local variable behavior defined by {@link LocalVariableBehavior}
* @param lazy is a switch to do lazy retrieval of variables/constants from
* Ruby runtime. Default is true. When this value is true, ScriptingContainer tries to
* get as many variables/constants as possible from Ruby runtime.
*/
public
ScriptingContainer
(
LocalContextScope
scope
,
LocalVariableBehavior
behavior
,
boolean
lazy
) {
provider
=
getProviderInstance
(
scope
,
behavior
,
lazy
);
try
{
initConfig
();
}
catch
(
Exception
ex
) {
throw
new
RuntimeException
(
ex
);
}
setBasicProperties
();
}
private
LocalContextProvider
getProviderInstance
(
LocalContextScope
scope
,
LocalVariableBehavior
behavior
,
boolean
lazy
) {
switch
(
scope
) {
case
THREADSAFE
:
return
new
ThreadSafeLocalContextProvider
(
behavior
,
lazy
);
case
CONCURRENT
:
return
new
ConcurrentLocalContextProvider
(
behavior
,
lazy
);
case
SINGLETHREAD
:
return
new
SingleThreadLocalContextProvider
(
behavior
,
lazy
);
case
SINGLETON
:
default
:
LocalVariableBehavior
b
=
SingletonLocalContextProvider
.
getLocalVariableBehaviorOrNull
();
if
(
b
==
null
)
return
new
SingletonLocalContextProvider
(
behavior
,
lazy
);
else
return
new
SingletonLocalContextProvider
(
b
,
lazy
);
}
}
private
void
initConfig
()
throws
URISyntaxException
,
UnsupportedEncodingException
{
List
<
String
>
paths
=
SystemPropertyCatcher
.
findLoadPaths
();
provider
.
getRubyInstanceConfig
().
setLoadPaths
(
paths
);
String
home
=
SystemPropertyCatcher
.
findJRubyHome
(
this
);
if
(
home
!=
null
) {
provider
.
getRubyInstanceConfig
().
setJRubyHome
(
home
);
}
provider
.
getRubyInstanceConfig
().
setScriptFileName
(
"<script>"
);
}
// maybe these properties are not used at all?
private
void
setBasicProperties
() {
basicProperties
=
new
HashMap
();
basicProperties
.
put
(
"container.ids"
,
new
String
[]{
"ruby"
,
"jruby"
});
basicProperties
.
put
(
"language.extension"
,
new
String
[]{
"rb"
});
basicProperties
.
put
(
"language.name"
,
new
String
[]{
"ruby"
});
basicProperties
.
put
(
"language.mimetypes"
,
new
String
[]{
"application/x-ruby"
});
}
/**
* Returns a list of load paths for Ruby scripts/libraries. If no paths is
* given, the list is created from java.class.path System property.
*
* @since JRuby 1.5.0.
*
* @return a list of load paths.
*/
public
List
<
String
>
getLoadPaths
() {
return
provider
.
getRubyInstanceConfig
().
getLoadPaths
();
}
/**
* Changes a list of load paths Ruby scripts/libraries. The default value
* is an empty array. If no paths is given, the list is created from
* java.class.path System property. This value can be set by
* org.jruby.embed.class.path System property, also.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the given paths will be used.
*
* @since JRuby 1.5.0.
*
* @param paths a new list of load paths.
*/
public
void
setLoadPaths
(
List
<
String
>
paths
) {
provider
.
getRubyInstanceConfig
().
setLoadPaths
(
paths
);
}
/**
* Returns an input stream assigned to STDIN and $stdin.
*
* @since JRuby 1.5.0.
*
* @return input stream of STDIN and $stdin
*/
public
InputStream
getInput
() {
return
provider
.
getRubyInstanceConfig
().
getInput
();
}
/**
* Changes STDIN and $stdin to a given input stream. The default standard input
* is java.lang.System.in.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the given input stream will be used.
*
* @since JRuby 1.5.0.
*
* @param istream an input stream to be set
*/
public
void
setInput
(
InputStream
istream
) {
provider
.
getRubyInstanceConfig
().
setInput
(
istream
);
}
/**
* Changes STDIN and $stdin to a given reader. No reader is set by default.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the given reader will be used.
*
* @since JRuby 1.5.0.
*
* @param reader a reader to be set
*/
public
void
setInput
(
Reader
reader
) {
if
(
reader
==
null
) {
provider
.
getRubyInstanceConfig
().
setInput
(
null
);
}
else
{
ReaderInputStream
istream
=
new
ReaderInputStream
(
reader
);
provider
.
getRubyInstanceConfig
().
setInput
(
istream
);
}
}
/**
* Returns an output stream assigned to STDOUT and $stdout.
*
* @since JRuby 1.5.0.
*
* @return an output stream of STDOUT and $stdout
*/
public
PrintStream
getOutput
() {
return
provider
.
getRubyInstanceConfig
().
getOutput
();
}
/**
* Changes STDOUT and $stdout to a given output stream. The default standard
* output is java.lang.System.out.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the given output stream will be used.
*
* @since JRuby 1.5.0.
*
* @param pstream an output stream to be set
*/
public
void
setOutput
(
PrintStream
pstream
) {
provider
.
getRubyInstanceConfig
().
setOutput
(
pstream
);
}
/**
* Changes STDOUT and $stdout to a given writer. No writer is set by default.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the given writer will be used.
*
* @since JRuby 1.5.0.
*
* @param writer a writer to be set
*/
public
void
setOutput
(
Writer
writer
) {
if
(
writer
==
null
) {
provider
.
getRubyInstanceConfig
().
setOutput
(
null
);
}
else
{
WriterOutputStream
ostream
=
new
WriterOutputStream
(
writer
);
PrintStream
pstream
=
new
PrintStream
(
ostream
);
provider
.
getRubyInstanceConfig
().
setOutput
(
pstream
);
}
}
/**
* Returns an error stream assigned to STDERR and $stderr.
*
* @since JRuby 1.5.0.
*
* @return output stream for error stream
*/
public
PrintStream
getError
() {
return
provider
.
getRubyInstanceConfig
().
getError
();
}
/**
* Changes STDERR and $stderr to a given print stream. The default standard error
* is java.lang.System.err.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the given print stream will be used.
*
* @since JRuby 1.5.0.
*
* @param pstream a print stream to be set
*/
public
void
setError
(
PrintStream
pstream
) {
provider
.
getRubyInstanceConfig
().
setError
(
pstream
);
}
/**
* Changes STDERR and $stderr to a given writer. No writer is set by default.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the given writer will be used.
*
* @since JRuby 1.5.0.
*
* @param writer a writer to be set
*/
public
void
setError
(
Writer
writer
) {
if
(
writer
==
null
) {
provider
.
getRubyInstanceConfig
().
setError
(
null
);
}
else
{
WriterOutputStream
ostream
=
new
WriterOutputStream
(
writer
);
PrintStream
pstream
=
new
PrintStream
(
ostream
);
provider
.
getRubyInstanceConfig
().
setError
(
pstream
);
}
}
/**
* Returns a compile mode currently chosen, which is one of CompileMode.JIT,
* CompileMode.FORCE, CompileMode.OFF. The default mode is CompileMode.OFF
* if CompatVersion.RUBY1_9 is chosen, otherwise, CompileMode.JIT. Also,
* CompileMode.OFF is chosen when a security restriction is set.
*
* @since JRuby 1.5.0.
*
* @return a compile mode.
*/
public
CompileMode
getCompileMode
() {
return
provider
.
getRubyInstanceConfig
().
getCompileMode
();
}
/**
* Changes a compile mode to a given mode, which should be one of CompileMode.JIT,
* CompileMode.FORCE, CompileMode.OFF.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the given mode will be used.
*
* @since JRuby 1.5.0.
*
* @param mode compile mode
*/
public
void
setCompileMode
(
CompileMode
mode
) {
provider
.
getRubyInstanceConfig
().
setCompileMode
(
mode
);
}
/**
* Tests whether Ruby runs in a process or not.
*
* @since JRuby 1.5.0.
*
* @return true if Ruby is configured to run in a process, otherwise, false.
*/
public
boolean
isRunRubyInProcess
() {
return
provider
.
getRubyInstanceConfig
().
isRunRubyInProcess
();
}
/**
* Changes the value to determine whether Ruby runs in a process or not. The
* default value is true.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the given condition will be set.
*
* @since JRuby 1.5.0.
*
* @param inprocess true when Ruby is set to run in the process, or false not to
* run in the process.
*/
public
void
setRunRubyInProcess
(
boolean
inprocess
) {
provider
.
getRubyInstanceConfig
().
setRunRubyInProcess
(
inprocess
);
}
/**
* Returns a Ruby version currently chosen, which is one of CompatVersion.RUBY1_8,
* CompatVersion.RUBY1_9, or CompatVersion.BOTH. The default version is
* CompatVersion.RUBY1_8.
*
* @since JRuby 1.5.0.
*
* @return a Ruby version
*/
public
CompatVersion
getCompatVersion
() {
return
provider
.
getRubyInstanceConfig
().
getCompatVersion
();
}
/**
* Changes a Ruby version to be evaluated into one of CompatVersion.RUBY1_8,
* CompatVersion.RUBY1_9, or CompatVersion.BOTH. The default version is
* CompatVersion.RUBY1_8.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the given version will be set.
*
* @since JRuby 1.5.0.
*
* @param version a Ruby version
*/
public
void
setCompatVersion
(
CompatVersion
version
) {
provider
.
getRubyInstanceConfig
().
setCompatVersion
(
version
);
}
/**
* Tests whether the Object Space is enabled or not.
*
* @since JRuby 1.5.0.
*
* @return true if the Object Space is able to use, otherwise, false.
*/
public
boolean
isObjectSpaceEnabled
() {
return
provider
.
getRubyInstanceConfig
().
isObjectSpaceEnabled
();
}
/**
* Changes the value to determine whether the Object Space is enabled or not. The
* default value is false.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the given condition will be used.
*
* @since JRuby 1.5.0.
*
* This value can be set by jruby.objectspace.enabled system property.
*
* @param enable true to enable the Object Space, or false to disable.
*/
public
void
setObjectSpaceEnabled
(
boolean
enable
) {
provider
.
getRubyInstanceConfig
().
setObjectSpaceEnabled
(
enable
);
}
/**
* Returns a map of environment variables.
*
* @since JRuby 1.5.0.
*
* @return a map that has environment variables' key-value pairs.
*/
public
Map
getEnvironment
() {
return
provider
.
getRubyInstanceConfig
().
getEnvironment
();
}
/**
* Changes an environment variables' map.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* initial configurations will work.
*
* @since JRuby 1.5.0.
*
* @param environment a new map of environment variables.
*/
public
void
setEnvironment
(
Map
environment
) {
provider
.
getRubyInstanceConfig
().
setEnvironment
(
environment
);
}
/**
* Returns a current directory.
*
* The default current directory is identical to a value of "user.dir" system
* property if no security restriction is set. If the "user.dir" directory is
* protected by the security restriction, the default value is "/".
*
* @since JRuby 1.5.0.
*
* @return a current directory.
*/
public
String
getCurrentDirectory
() {
if
(
provider
.
isRuntimeInitialized
()) {
return
provider
.
getRuntime
().
getCurrentDirectory
();
}
return
provider
.
getRubyInstanceConfig
().
getCurrentDirectory
();
}
/**
* Changes a current directory to a given directory.
* The current directory can be changed anytime.
*
* @since JRuby 1.5.0.
*
* @param directory a new directory to be set.
*/
public
void
setCurrentDirectory
(
String
directory
) {
if
(
provider
.
isRuntimeInitialized
()) {
provider
.
getRuntime
().
setCurrentDirectory
(
directory
);
}
else
{
provider
.
getRubyInstanceConfig
().
setCurrentDirectory
(
directory
);
}
}
/**
* Returns a JRuby home directory.
*
* The default JRuby home is the value of JRUBY_HOME environment variable,
* or "jruby.home" system property when no security restriction is set to
* those directories. If none of JRUBY_HOME or jruby.home is set and jruby-complete.jar
* is used, the default JRuby home is "/META-INF/jruby.home" in the jar archive.
* Otherwise, "java.io.tmpdir" system property is the default value.
*
* @since JRuby 1.5.0.
*
* @return a JRuby home directory.
*/
public
String
getHomeDirectory
() {
return
provider
.
getRubyInstanceConfig
().
getJRubyHome
();
}
/**
* Changes a JRuby home directory to a directory of a given name.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the given directory will be used.
*
* @since JRuby 1.5.0.
*
* @param home a name of new JRuby home directory.
*/
public
void
setHomeDirectory
(
String
home
) {
provider
.
getRubyInstanceConfig
().
setJRubyHome
(
home
);
}
/**
* Returns a ClassCache object that is tied to a class loader. The default ClassCache
* object is tied to a current thread' context loader if it exists. Otherwise, it is
* tied to the class loader that loaded RubyInstanceConfig.
*
* @since JRuby 1.5.0.
*
* @return a ClassCache object.
*/
public
ClassCache
getClassCache
() {
return
provider
.
getRubyInstanceConfig
().
getClassCache
();
}
/**
* Changes a ClassCache object to a given one.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the given class cache will be used.
*
* @since JRuby 1.5.0.
*
* @param cache a new ClassCache object to be set.
*/
public
void
setClassCache
(
ClassCache
cache
) {
provider
.
getRubyInstanceConfig
().
setClassCache
(
cache
);
}
/**
* Returns a class loader object that is currently used. This loader loads
* Ruby files and libraries.
*
* @since JRuby 1.5.0.
*
* @return a class loader object that is currently used.
*/
public
ClassLoader
getClassLoader
() {
return
provider
.
getRubyInstanceConfig
().
getLoader
();
}
/**
* Changes a class loader to a given loader.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the given class loader will be used.
*
* @since JRuby 1.5.0.
*
* @param loader a new class loader to be set.
*/
public
void
setClassLoader
(
ClassLoader
loader
) {
provider
.
getRubyInstanceConfig
().
setLoader
(
loader
);
}
/**
* Returns a Profile currently used. The default value is Profile.DEFAULT,
* which has the same behavior to Profile.ALL.
* Profile allows you to define a restricted subset of code to be loaded during
* the runtime initialization. When you use JRuby in restricted environment
* such as Google App Engine, Profile is a helpful option.
*
* @since JRuby 1.5.0.
*
* @return a current profiler.
*/
public
Profile
getProfile
() {
return
provider
.
getRubyInstanceConfig
().
getProfile
();
}
/**
* Changes a Profile to a given one. The default value is Profile.DEFAULT,
* which has the same behavior to Profile.ALL.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* initial configurations will work.
*
* Profile allows you to define a restricted subset of code to be loaded during
* the runtime initialization. When you use JRuby in restricted environment
* such as Google App Engine, Profile is a helpful option. For example,
* Profile.NO_FILE_CLASS doesn't load File class.
*
* @since JRuby 1.5.0.
*
* @param profile a new profiler to be set.
*/
public
void
setProfile
(
Profile
profile
) {
provider
.
getRubyInstanceConfig
().
setProfile
(
profile
);
}
/**
* Returns a ProfilingMode currently used. The default value is ProfilingMode.OFF.
*
* @since JRuby 1.6.6.
*
* @return a current profiling mode.
*/
public
ProfilingMode
getProfilingMode
() {
return
provider
.
getRubyInstanceConfig
().
getProfilingMode
();
}
/**
* Changes a ProfilingMode to a given one. The default value is Profiling.OFF.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* initial configurations will work.
*
* ProfilingMode allows you to change profiling style.
*
* Profiling.OFF - default. profiling off.
* Profiling.API - activates Ruby profiler API. equivalent to --profile.api command line option
* Profiling.FLAT - synonym for --profile command line option equivalent to --profile.flat command line option
* Profiling.GRAPH - runs with instrumented (timed) profiling, graph format. equivalent to --profile.graph command line option.
*
* @since JRuby 1.6.6.
*
* @param mode a new profiling mode to be set.
*/
public
void
setProfile
(
ProfilingMode
mode
) {
provider
.
getRubyInstanceConfig
().
setProfilingMode
(
mode
);
}
/**
* Returns a LoadServiceCreator currently used.
*
* @since JRuby 1.5.0.
*
* @return a current LoadServiceCreator.
*/
public
LoadServiceCreator
getLoadServiceCreator
() {
return
provider
.
getRubyInstanceConfig
().
getLoadServiceCreator
();
}
/**
* Changes a LoadServiceCreator to a given one.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* initial configurations will work.
*
* @since JRuby 1.5.0.
*
* @param creator a new LoadServiceCreator
*/
public
void
setLoadServiceCreator
(
LoadServiceCreator
creator
) {
provider
.
getRubyInstanceConfig
().
setLoadServiceCreator
(
creator
);
}
/**
* Returns a list of argument.
*
* @since JRuby 1.5.0.
*
* @return an arguments' list.
*/
public
String
[]
getArgv
() {
return
provider
.
getRubyInstanceConfig
().
getArgv
();
}
/**
* Changes values of the arguments' list.
*
* @since JRuby 1.5.0.
*
* @param argv a new arguments' list.
*/
public
void
setArgv
(
String
[]
argv
) {
provider
.
getRubyInstanceConfig
().
setArgv
(
argv
);
}
/**
* Returns a script filename to run. The default value is "<script>".
*
* @since JRuby 1.5.0.
*
* @return a script filename.
*/
public
String
getScriptFilename
() {
return
provider
.
getRubyInstanceConfig
().
getScriptFileName
();
}
/**
* Changes a script filename to run. The default value is "<script>".
* Call this before you use put/get, runScriptlet, and parse methods so that
* initial configurations will work.
*
* @since JRuby 1.5.0.
*
* @param filename a new script filename.
*/
public
void
setScriptFilename
(
String
filename
) {
provider
.
getRubyInstanceConfig
().
setScriptFileName
(
filename
);
}
/**
* Returns a record separator. The default value is "\n".
*
* @since JRuby 1.5.0.
*
* @return a record separator.
*/
public
String
getRecordSeparator
() {
return
provider
.
getRubyInstanceConfig
().
getRecordSeparator
();
}
/**
* Changes a record separator to a given value. If "0" is given, the record
* separator goes to "\n\n", "777" goes to "\uFFFF", otherwise, an octal value
* of the given number.
* Call this before you use put/get, runScriptlet, and parse methods so that
* initial configurations will work.
*
* @since JRuby 1.5.0.
*
* @param separator a new record separator value, "0" or "777"
*/
public
void
setRecordSeparator
(
String
separator
) {
provider
.
getRubyInstanceConfig
().
setRecordSeparator
(
separator
);
}
/**
* Returns a value of KCode currently used. The default value is KCode.NONE.
*
* @since JRuby 1.5.0.
*
* @return a KCode value.
*/
public
KCode
getKCode
() {
return
provider
.
getRubyInstanceConfig
().
getKCode
();
}
/**
* Changes a value of KCode to a given value. The value should be one of
* KCode.NONE, KCode.UTF8, KCode.SJIS, or KCode.EUC. The default value is KCode.NONE.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the given value will be used.
*
* @since JRuby 1.5.0.
*
* @param kcode a new KCode value.
*/
public
void
setKCode
(
KCode
kcode
) {
provider
.
getRubyInstanceConfig
().
setKCode
(
kcode
);
}
/**
* Returns the value of n, which means that jitted methods are logged in
* every n methods. The default value is 0.
*
* @since JRuby 1.5.0.
*
* @return a value that determines how often jitted methods are logged.
*/
public
int
getJitLogEvery
() {
return
provider
.
getRubyInstanceConfig
().
getJitLogEvery
();
}
/**
* Changes a value of n, so that jitted methods are logged in every n methods.
* The default value is 0. This value can be set by the jruby.jit.logEvery System
* property.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the configurations will work.
*
* @since JRuby 1.5.0.
*
* @param logEvery a new number of methods.
*/
public
void
setJitLogEvery
(
int
logEvery
) {
provider
.
getRubyInstanceConfig
().
setJitLogEvery
(
logEvery
);
}
/**
* Returns a value of the threshold that determines whether jitted methods'
* call reached to the limit or not. The default value is -1 when security
* restriction is applied, or 50 when no security restriction exists.
*
* @since JRuby 1.5.0.
*
* @return a value of the threshold.
*/
public
int
getJitThreshold
() {
return
provider
.
getRubyInstanceConfig
().
getJitThreshold
();
}
/**
* Changes a value of the threshold that determines whether jitted methods'
* call reached to the limit or not. The default value is -1 when security
* restriction is applied, or 50 when no security restriction exists. This
* value can be set by jruby.jit.threshold System property.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the configurations will work.
*
* @since JRuby 1.5.0.
*
* @param threshold a new value of the threshold.
*/
public
void
setJitThreshold
(
int
threshold
) {
provider
.
getRubyInstanceConfig
().
setJitThreshold
(
threshold
);
}
/**
* Returns a value of a max class cache size. The default value is 0 when
* security restriction is applied, or 4096 when no security restriction exists.
*
* @since JRuby 1.5.0.
*
* @return a value of a max class cache size.
*/
public
int
getJitMax
() {
return
provider
.
getRubyInstanceConfig
().
getJitMax
();
}
/**
* Changes a value of a max class cache size. The default value is 0 when
* security restriction is applied, or 4096 when no security restriction exists.
* This value can be set by jruby.jit.max System property.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the configurations will work.
*
* @since JRuby 1.5.0.
*
* @param max a new value of a max class cache size.
*/
public
void
setJitMax
(
int
max
) {
provider
.
getRubyInstanceConfig
().
setJitMax
(
max
);
}
/**
* Returns a value of a max size of the bytecode generated by compiler. The
* default value is -1 when security restriction is applied, or 10000 when
* no security restriction exists.
*
* @since JRuby 1.5.0.
*
* @return a value of a max size of the bytecode.
*/
public
int
getJitMaxSize
() {
return
provider
.
getRubyInstanceConfig
().
getJitMaxSize
();
}
/**
* Changes a value of a max size of the bytecode generated by compiler. The
* default value is -1 when security restriction is applied, or 10000 when
* no security restriction exists. This value can be set by jruby.jit.maxsize
* System property.
* Call this method before you use put/get, runScriptlet, and parse methods so that
* the configurations will work.
*
* @since JRuby 1.5.0.
*
* @param maxSize a new value of a max size of the bytecode.
*/
public
void
setJitMaxSize
(
int
maxSize
) {
provider
.
getRubyInstanceConfig
().
setJitMaxSize
(
maxSize
);
}
/**
* Returns version information about JRuby and Ruby supported by this platform.
*
* @return version information.
*/
public
String
getSupportedRubyVersion
() {
return
OutputStrings
.
getVersionString
(
provider
.
getRubyInstanceConfig
().
getCompatVersion
()).
trim
();
}
/**
* Returns an array of values associated to a key.
*
* @param key is a key in a property file
* @return values associated to the key
*/
public
String
[]
getProperty
(
String
key
) {
if
(
basicProperties
.
containsKey
(
key
)) {
return
(
String
[])
basicProperties
.
get
(
key
);
}
else
{
return
null
;
}
}
/**
* Returns a provider instance of {@link LocalContextProvider}. When users
* want to configure Ruby runtime, they can do by setting class loading paths,
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