Java Code Examples for org.apache.commons.jexl3.JexlContext#set()

public ProcessedClaimCollection mapClaims(String sourceRealm, ProcessedClaimCollection sourceClaims,
    String targetRealm, ClaimsParameters parameters) {
    JexlContext context = new MapContext();
    context.set("sourceClaims", sourceClaims);
    context.set("targetClaims", new ProcessedClaimCollection());
    context.set("sourceRealm", sourceRealm);
    context.set("targetRealm", targetRealm);
    context.set("claimsParameters", parameters);

    JexlScript s = getScript();
    if (s == null) {
        LOG.warning("No claim mapping script defined");
        return new ProcessedClaimCollection(); // TODO Check if null or an exception would be more
                                               // appropriate
    }
    return (ProcessedClaimCollection)s.execute(context);
}
 

@Override
public String getRawValue(String key) {
  if (data.containsKey(key)) {
    return data.get(key);
  } else if (expressions.containsKey(key)) {
    try {
      JexlContext jexlContext = new MapContext();
      jexlContext.set("v", data);
      Object result = expressions.get(key).evaluate(jexlContext);
      if (result != null) {
        return result.toString();
      } else {
        return null;
      }
    } catch (Throwable throwable) {
      LOG.info("Error during mapping", throwable);
      errorHandler.valueGenerateFailed(
        key,
        String.format("Could not execute expression '%s' for row with values: '%s.", expressions.get(key), data)
      );
      return null;
    }
  } else {
    return null;
  }
}
 

@Test
public void testCantSeeMe() throws Exception {
    JexlContext jc = new MapContext();
    String expr = "foo.doIt()";
    JexlScript script;
    Object result = null;

    JexlSandbox sandbox = new JexlSandbox(false);
    sandbox.allow(Foo.class.getName());
    JexlEngine sjexl = new JexlBuilder().sandbox(sandbox).strict(true).safe(false).create();

    jc.set("foo", new CantSeeMe());
    script = sjexl.createScript(expr);
    try {
        result = script.execute(jc);
        Assert.fail("should have failed, doIt()");
    } catch (JexlException xany) {
        //
    }
    jc.set("foo", new Foo("42"));
        result = script.execute(jc);
    Assert.assertEquals(42, ((Integer) result).intValue());
}
 

@Override
boolean validateRaw(ActionContext actionContext, AndroidDeviceDriver androidDeviceDriver) {
  // Create or retrieve an engine
  JexlEngine jexl = new JexlBuilder().create();

  // Create an expression
  JexlExpression e = jexl.createExpression(expression);

  JexlContext jc = new MapContext();

  // To use advanced expression, need a converter to do the trick, the expression will be like
  // "uicdTypeConverter.toInt($uicd_var1) + uicdTypeConverter.toInt($uicd_var2)";
  if (expression.contains(TYPE_CONVERTER_OBJ_KEYWORD)) {
    jc.set(TYPE_CONVERTER_OBJ_KEYWORD, new UicdTypeConverter());
  }
  // Create a context and add data
  // jc.set("$uicd_var1", new String("adbcd"));
  // Set the displayStr so that we can see the result in the test details.
  displayStr = expandUicdGlobalVariableToJexl(expression, jc, actionContext);

  // Now evaluate the expression, getting the result
  boolean ret = false;
  try {
    Object o = e.evaluate(jc);
    ret = Boolean.parseBoolean(o.toString());
  } catch (Exception ex) {
    System.out.println(ex.getMessage());
  }
  displayStr = String.format("%s|validation result:%s", displayStr, ret);
  return ret;
}
 

private String expandUicdGlobalVariableToJexl(
    String jexlExp, JexlContext jc, ActionContext actionContext) {
  StringBuilder sb = new StringBuilder();
  // target could have multiple "$uicd_", we need replace all of them
  for (String key : actionContext.getGlobalVariableMap().getRawMap().keySet()) {
    if (jexlExp.contains(key)) {
      jc.set(key, actionContext.getGlobalVariableMap().getRawValue(key));
      sb.append(
          String.format("%s:%s|", key, actionContext.getGlobalVariableMap().getRawValue(key)));
    }
  }
  return sb.toString();
}
 

public List<AntennaDoctorMessage> onStage(AntennaDoctorStageContext context, Exception exception) {
  JexlContext jexlContext = new MapContext();
  jexlContext.set("issue", new StageIssueJexl(exception));
  jexlContext.set("stageDef", context.getStageDefinition());
  jexlContext.set("stageConf", context.getStageConfiguration());
  return evaluate(context, AntennaDoctorRuleBean.Entity.STAGE, jexlContext);
}
 

public List<AntennaDoctorMessage> onStage(AntennaDoctorStageContext context, ErrorCode errorCode, Object... args) {
  JexlContext jexlContext = new MapContext();
  jexlContext.set("issue", new StageIssueJexl(errorCode, args));
  jexlContext.set("stageDef", context.getStageDefinition());
  jexlContext.set("stageConf", context.getStageConfiguration());
  return evaluate(context, AntennaDoctorRuleBean.Entity.STAGE, jexlContext);
}
 

public List<AntennaDoctorMessage> onStage(AntennaDoctorStageContext context, String errorMessage) {
  JexlContext jexlContext = new MapContext();
  jexlContext.set("issue", new StageIssueJexl(errorMessage));
  jexlContext.set("stageDef", context.getStageDefinition());
  jexlContext.set("stageConf", context.getStageConfiguration());
  return evaluate(context, AntennaDoctorRuleBean.Entity.STAGE, jexlContext);
}
 

public List<AntennaDoctorMessage> onValidation(AntennaDoctorStageContext context, String groupName, String configName, ErrorCode errorCode, Object... args) {
  JexlContext jexlContext = new MapContext();
  jexlContext.set("issue", new StageIssueJexl(groupName, configName, errorCode, args));
  jexlContext.set("stageDef", context.getStageDefinition());
  jexlContext.set("stageConf", context.getStageConfiguration());
  return evaluate(context, AntennaDoctorRuleBean.Entity.VALIDATION, jexlContext);
}
 

/**
 * An example for array access.
 */
static void example(Output out) throws Exception {
    /*
     * First step is to retrieve an instance of a JexlEngine;
     * it might be already existing and shared or created anew.
     */
    JexlEngine jexl = new JexlBuilder().create();
    /*
     *  Second make a jexlContext and put stuff in it
     */
    JexlContext jc = new MapContext();

    List<Object> l = new ArrayList<Object>();
    l.add("Hello from location 0");
    Integer two = 2;
    l.add(two);
    jc.set("array", l);

    JexlExpression e = jexl.createExpression("array[1]");
    Object o = e.evaluate(jc);
    out.print("Object @ location 1 = ", o, two);

    e = jexl.createExpression("array[0].length()");
    o = e.evaluate(jc);

    out.print("The length of the string at location 0 is : ", o, 21);
}
 

/**
 * An example for method access.
 */
public static void example(final Output out) throws Exception {
    /**
     * First step is to retrieve an instance of a JexlEngine;
     * it might be already existing and shared or created anew.
     */
    JexlEngine jexl = new JexlBuilder().create();
    /*
     *  Second make a jexlContext and put stuff in it
     */
    JexlContext jc = new MapContext();

    /**
     * The Java equivalents of foo and number for comparison and checking
     */
    Foo foo = new Foo();
    Integer number = new Integer(10);

    jc.set("foo", foo);
    jc.set("number", number);

    /*
     *  access a method w/o args
     */
    JexlExpression e = jexl.createExpression("foo.getFoo()");
    Object o = e.evaluate(jc);
    out.print("value returned by the method getFoo() is : ", o, foo.getFoo());

    /*
     *  access a method w/ args
     */
    e = jexl.createExpression("foo.convert(1)");
    o = e.evaluate(jc);
    out.print("value of " + e.getParsedText() + " is : ", o, foo.convert(1));

    e = jexl.createExpression("foo.convert(1+7)");
    o = e.evaluate(jc);
    out.print("value of " + e.getParsedText() + " is : ", o, foo.convert(1+7));

    e = jexl.createExpression("foo.convert(1+number)");
    o = e.evaluate(jc);
    out.print("value of " + e.getParsedText() + " is : ", o, foo.convert(1+number.intValue()));

    /*
     * access a property
     */
    e = jexl.createExpression("foo.bar");
    o = e.evaluate(jc);
    out.print("value returned for the property 'bar' is : ", o, foo.get("bar"));

}
 

public List<AntennaDoctorMessage> onRest(AntennaDoctorContext context, ErrorCode errorCode, Object... args) {
  JexlContext jexlContext = new MapContext();
  jexlContext.set("issue", new StageIssueJexl(errorCode, args));
  return evaluate(context, AntennaDoctorRuleBean.Entity.REST, jexlContext);
}
 

public List<AntennaDoctorMessage> onRest(AntennaDoctorContext context, Exception exception) {
  JexlContext jexlContext = new MapContext();
  jexlContext.set("issue", new StageIssueJexl(exception));
  return evaluate(context, AntennaDoctorRuleBean.Entity.REST, jexlContext);
}
 

/**
 * An example for method access.
 */
public static void example(final Output out) throws Exception {
    /*
     * First step is to retrieve an instance of a JexlEngine;
     * it might be already existing and shared or created anew.
     */
    JexlEngine jexl = new JexlBuilder().create();
    /*
     *  Second make a jexlContext and put stuff in it
     */
    JexlContext jc = new MapContext();

    /*
     * The Java equivalents of foo and number for comparison and checking
     */
    Foo foo = new Foo();
    Integer number = 10;

    jc.set("foo", foo);
    jc.set("number", number);

    /*
     *  access a method w/o args
     */
    JexlExpression e = jexl.createExpression("foo.getFoo()");
    Object o = e.evaluate(jc);
    out.print("value returned by the method getFoo() is : ", o, foo.getFoo());

    /*
     *  access a method w/ args
     */
    e = jexl.createExpression("foo.convert(1)");
    o = e.evaluate(jc);
    out.print("value of " + e.getParsedText() + " is : ", o, foo.convert(1));

    e = jexl.createExpression("foo.convert(1+7)");
    o = e.evaluate(jc);
    out.print("value of " + e.getParsedText() + " is : ", o, foo.convert(1+7));

    e = jexl.createExpression("foo.convert(1+number)");
    o = e.evaluate(jc);
    out.print("value of " + e.getParsedText() + " is : ", o, foo.convert(1+ number));

    /*
     * access a property
     */
    e = jexl.createExpression("foo.bar");
    o = e.evaluate(jc);
    out.print("value returned for the property 'bar' is : ", o, foo.get("bar"));

}