Java Code Examples for groovy.lang.Binding#getVariable()

@Override
public Object getProperty(String property) {
    Object result = null;
    Binding binding = getBinding();
    //先判断本地局部变量是否存在
    if ( binding.hasVariable(property) ) {
        result = binding.getVariable(property);
        return result;
    }
    //再判断标准变量是否存在
    result = context.varGet(property);
    //再回头找一遍
    if ( result==null ) {
        result = super.getProperty(property);
    }
    return result;
}
 

@Nonnull
@Override
public Object getValue(@Nonnull CpsScript script) throws Exception {
    Binding binding = script.getBinding();
    script.println();
    Object openshift;
    if (binding.hasVariable(getName())) {
        openshift = binding.getVariable(getName());
    } else {
        // Note that if this were a method rather than a constructor, we
        // would need to mark it @NonCPS lest it throw
        // CpsCallableInvocation.
        openshift = script.getClass().getClassLoader()
                .loadClass("com.openshift.jenkins.plugins.OpenShiftDSL")
                .getConstructor(CpsScript.class).newInstance(script);
        binding.setVariable(getName(), openshift);
    }
    return openshift;

}
 

@Nonnull
@Override
public Object getValue(@Nonnull CpsScript script) throws Exception {
    Binding binding = script.getBinding();
    script.println();
    Object openshift;
    if (binding.hasVariable(getName())) {
        openshift = binding.getVariable(getName());
    } else {
        // Note that if this were a method rather than a constructor, we
        // would need to mark it @NonCPS lest it throw
        // CpsCallableInvocation.
        openshift = script.getClass().getClassLoader()
                .loadClass("com.openshift.jenkins.plugins.OpenShiftDSL")
                .getConstructor(CpsScript.class).newInstance(script);
        binding.setVariable(getName(), openshift);
    }
    return openshift;

}
 

@Test
public void testCorrectScriptExecution() {

    ScriptletProcessor processor = getProcessor(dataFields1, "msg = 'Hello ' + ch.epfl.gsn; def msg1 = 'This is a script internal variable.'");
    StreamElement se = new StreamElement(dataFields1, data1);
    Binding context = processor.updateContext(se);
    context.setVariable("ch.epfl.gsn", new String("Groovy GSN"));
    processor.evaluate(processor.scriptlet, se, true);
    assertNotNull(context.getVariable("msg"));
    assertEquals(context.getVariable("msg"), "Hello Groovy GSN");

    Object o = null;
    try {
        o = context.getVariable("msg1");
    }
    catch (Exception e) {}
    assertNull(o);
}
 

@SuppressWarnings("unchecked")
private static <R> Set<R> getSetVariable(
    final Binding binding,
    final String bindingName,
    final Class<R> expectedType
) {
    if (!binding.hasVariable(bindingName) || !(binding.getVariable(bindingName) instanceof Set<?>)) {
        throw new IllegalArgumentException(
            "Expected " + bindingName + " to be instance of Set<" + expectedType.getName() + ">"
        );
    }
    final Set<?> set = (Set<?>) binding.getVariable(bindingName);
    if (set.isEmpty() || !set.stream().allMatch(expectedType::isInstance)) {
        throw new IllegalArgumentException(
            "Expected " + bindingName + " to be non-empty set of " + expectedType.getName()
        );
    }
    return (Set<R>) set;
}
 

@Nonnull
@Override
public Object getValue(CpsScript script) throws Exception {
    Binding binding = script.getBinding();
    Object kubernetes;
    if (binding.hasVariable(getName())) {
        kubernetes = binding.getVariable(getName());
    } else {
        // Note that if this were a method rather than a constructor, we would need to mark it @NonCPS lest it throw CpsCallableInvocation.
        kubernetes = script.getClass().getClassLoader().loadClass("io.fabric8.kubernetes.pipeline.Kubernetes").getConstructor(CpsScript.class).newInstance(script);
        binding.setVariable(getName(), kubernetes);
    }
    return kubernetes;
}
 

@Nonnull
@Override
public Object getValue(CpsScript script) throws Exception {
    Binding binding = script.getBinding();
    Object kubernetes;
    if (binding.hasVariable(getName())) {
        kubernetes = binding.getVariable(getName());
    } else {
        // Note that if this were a method rather than a constructor, we would need to mark it @NonCPS lest it throw CpsCallableInvocation.
        kubernetes = CubeDSL.class.getClassLoader().loadClass("io.fabric8.kubernetes.pipeline.arquillian.cube.kubernetes.Cube").getConstructor(CpsScript.class).newInstance(script);
        binding.setVariable(getName(), kubernetes);
    }
    return kubernetes;
}
 

private void executeGPath() throws ActivityException {
    String transform = (String) getAttributeValue(RULE);
    if (StringUtils.isBlank(transform)) {
        getLogger().info("No transform defined for activity: " + getActivityName());
        return;
    }

    GroovyShell shell = new GroovyShell(getClass().getClassLoader());
    Script script = shell.parse(transform);
    Binding binding = new Binding();

    Variable inputVar = getMainProcessDefinition().getVariable(inputDocument);
    if (inputVar == null)
      throw new ActivityException("Input document variable not found: " + inputDocument);
    String inputVarName = inputVar.getName();
    Object inputVarValue = getGPathParamValue(inputVarName, inputVar.getType());
    binding.setVariable(inputVarName, inputVarValue);

    Variable outputVar = getMainProcessDefinition().getVariable(getOutputDocuments()[0]);
    String outputVarName = outputVar.getName();
    Object outputVarValue = getGPathParamValue(outputVarName, outputVar.getType());
    binding.setVariable(outputVarName, outputVarValue);

    script.setBinding(binding);

    script.run();

    Object groovyVarValue = binding.getVariable(outputVarName);
    setGPathParamValue(outputVarName, outputVar.getType(), groovyVarValue);
}
 

private static <T> Optional<T> getVariable(final Binding binding, final String name, final Class<T> type) {
  if (binding.hasVariable(name)) {
    Object instance = binding.getVariable(name);
    if(type.isInstance(instance)) {
      return (Optional<T>) Optional.of(instance);
    }
  }
  return Optional.empty();
}
 

@Override public Object getValue(CpsScript script) throws Exception {
    Binding binding = script.getBinding();
    Object docker;
    if (binding.hasVariable(getName())) {
        docker = binding.getVariable(getName());
    } else {
        // Note that if this were a method rather than a constructor, we would need to mark it @NonCPS lest it throw CpsCallableInvocation.
        docker = script.getClass().getClassLoader().loadClass("org.jenkinsci.plugins.docker.workflow.Docker").getConstructor(CpsScript.class).newInstance(script);
        binding.setVariable(getName(), docker);
    }
    return docker;
}
 

@SuppressWarnings("unchecked")
private static <R> R getObjectVariable(
    final Binding binding,
    final String variableName,
    final Class<R> expectedType
) {
    if (!binding.hasVariable(variableName)
        || !(binding.getVariable(variableName).getClass().isAssignableFrom(expectedType))) {
        throw new IllegalArgumentException(variableName + " argument not instance of " + expectedType.getName());
    }
    return (R) binding.getVariable(variableName);
}
 

/**
 * This method overrides property retrieval in the scope of the
 * {@code GroovyBeanDefinitionReader}. A property retrieval will either:
 * <ul>
 * <li>Retrieve a variable from the bean builder's binding if it exists
 * <li>Retrieve a RuntimeBeanReference for a specific bean if it exists
 * <li>Otherwise just delegate to MetaClass.getProperty which will resolve
 * properties from the {@code GroovyBeanDefinitionReader} itself
 * </ul>
 */
public Object getProperty(String name) {
	Binding binding = getBinding();
	if (binding != null && binding.hasVariable(name)) {
		return binding.getVariable(name);
	}
	else {
		if (this.namespaces.containsKey(name)) {
			return createDynamicElementReader(name);
		}
		if (getRegistry().containsBeanDefinition(name)) {
			GroovyBeanDefinitionWrapper beanDefinition = (GroovyBeanDefinitionWrapper)
					getRegistry().getBeanDefinition(name).getAttribute(GroovyBeanDefinitionWrapper.class.getName());
			if (beanDefinition != null) {
				return new GroovyRuntimeBeanReference(name, beanDefinition, false);
			}
			else {
				return new RuntimeBeanReference(name, false);
			}
		}
		// This is to deal with the case where the property setter is the last
		// statement in a closure (hence the return value)
		else if (this.currentBeanDefinition != null) {
			MutablePropertyValues pvs = this.currentBeanDefinition.getBeanDefinition().getPropertyValues();
			if (pvs.contains(name)) {
				return pvs.get(name);
			}
			else {
				DeferredProperty dp = this.deferredProperties.get(this.currentBeanDefinition.getBeanName() + name);
				if (dp != null) {
					return dp.value;
				}
				else {
					return getMetaClass().getProperty(this, name);
				}
			}
		}
		else {
			return getMetaClass().getProperty(this, name);
		}
	}
}
 

/**
 * This method overrides property retrieval in the scope of the
 * {@code GroovyBeanDefinitionReader}. A property retrieval will either:
 * <ul>
 * <li>Retrieve a variable from the bean builder's binding if it exists
 * <li>Retrieve a RuntimeBeanReference for a specific bean if it exists
 * <li>Otherwise just delegate to MetaClass.getProperty which will resolve
 * properties from the {@code GroovyBeanDefinitionReader} itself
 * </ul>
 */
public Object getProperty(String name) {
	Binding binding = getBinding();
	if (binding != null && binding.hasVariable(name)) {
		return binding.getVariable(name);
	}
	else {
		if (this.namespaces.containsKey(name)) {
			return createDynamicElementReader(name);
		}
		if (getRegistry().containsBeanDefinition(name)) {
			GroovyBeanDefinitionWrapper beanDefinition = (GroovyBeanDefinitionWrapper)
					getRegistry().getBeanDefinition(name).getAttribute(GroovyBeanDefinitionWrapper.class.getName());
			if (beanDefinition != null) {
				return new GroovyRuntimeBeanReference(name, beanDefinition, false);
			}
			else {
				return new RuntimeBeanReference(name, false);
			}
		}
		// This is to deal with the case where the property setter is the last
		// statement in a closure (hence the return value)
		else if (this.currentBeanDefinition != null) {
			MutablePropertyValues pvs = this.currentBeanDefinition.getBeanDefinition().getPropertyValues();
			if (pvs.contains(name)) {
				return pvs.get(name);
			}
			else {
				DeferredProperty dp = this.deferredProperties.get(this.currentBeanDefinition.getBeanName() + name);
				if (dp != null) {
					return dp.value;
				}
				else {
					return getMetaClass().getProperty(this, name);
				}
			}
		}
		else {
			return getMetaClass().getProperty(this, name);
		}
	}
}
 

/**
 * This method overrides property retrieval in the scope of the
 * {@code GroovyBeanDefinitionReader} to either:
 * <ul>
 * <li>Retrieve a variable from the bean builder's binding if it exists
 * <li>Retrieve a RuntimeBeanReference for a specific bean if it exists
 * <li>Otherwise just delegate to MetaClass.getProperty which will resolve
 * properties from the {@code GroovyBeanDefinitionReader} itself
 * </ul>
 */
public Object getProperty(String name) {
	Binding binding = getBinding();
	if (binding != null && binding.hasVariable(name)) {
		return binding.getVariable(name);
	}
	else {
		if (this.namespaces.containsKey(name)) {
			return createDynamicElementReader(name);
		}
		if (getRegistry().containsBeanDefinition(name)) {
			GroovyBeanDefinitionWrapper beanDefinition = (GroovyBeanDefinitionWrapper)
					getRegistry().getBeanDefinition(name).getAttribute(GroovyBeanDefinitionWrapper.class.getName());
			if (beanDefinition != null) {
				return new GroovyRuntimeBeanReference(name, beanDefinition, false);
			}
			else {
				return new RuntimeBeanReference(name, false);
			}
		}
		// This is to deal with the case where the property setter is the last
		// statement in a closure (hence the return value)
		else if (this.currentBeanDefinition != null) {
			MutablePropertyValues pvs = this.currentBeanDefinition.getBeanDefinition().getPropertyValues();
			if (pvs.contains(name)) {
				return pvs.get(name);
			}
			else {
				DeferredProperty dp = this.deferredProperties.get(this.currentBeanDefinition.getBeanName() + name);
				if (dp != null) {
					return dp.value;
				}
				else {
					return getMetaClass().getProperty(this, name);
				}
			}
		}
		else {
			return getMetaClass().getProperty(this, name);
		}
	}
}
 

/**
	 * This method overrides property retrieval in the scope of the
	 * GroovyBeanDefinitionReader to either:
	 * <ul>
	 * <li>Retrieve a variable from the bean builder's binding if it exists
	 * <li>Retrieve a RuntimeBeanReference for a specific bean if it exists
	 * <li>Otherwise just delegate to MetaClass.getProperty which will resolve
	 * properties from the GroovyBeanDefinitionReader itself
	 * </ul>
	 */
	public Object getProperty(String name) {
		Binding binding = getBinding();
		if (binding != null && binding.hasVariable(name)) {
			return binding.getVariable(name);
		}
		else {
			if (this.namespaces.containsKey(name)) {
//				return createDynamicElementReader(name);
				return null;
			}
			if (getRegistry().containsBeanDefinition(name)) {
				GroovyBeanDefinitionWrapper beanDefinition = (GroovyBeanDefinitionWrapper)
						getRegistry().getBeanDefinition(name).getAttribute(GroovyBeanDefinitionWrapper.class.getName());
				if (beanDefinition != null) {
					return new GroovyRuntimeBeanReference(name, beanDefinition, false);
				}
				else {
					return new RuntimeBeanReference(name, false);
				}
			}
			// This is to deal with the case where the property setter is the last
			// statement in a closure (hence the return value)
			else if (this.currentBeanDefinition != null) {
				MutablePropertyValues pvs = this.currentBeanDefinition.getBeanDefinition().getPropertyValues();
				if (pvs.contains(name)) {
					return pvs.get(name);
				}
				else {
					DeferredProperty dp = this.deferredProperties.get(this.currentBeanDefinition.getBeanName() + name);
					if (dp != null) {
						return dp.value;
					}
					else {
						return getMetaClass().getProperty(this, name);
					}
				}
			}
			else {
				return getMetaClass().getProperty(this, name);
			}
		}
	}
 

/**
 * This method overrides property retrieval in the scope of the
 * {@code GroovyBeanDefinitionReader} to either:
 * <ul>
 * <li>Retrieve a variable from the bean builder's binding if it exists
 * <li>Retrieve a RuntimeBeanReference for a specific bean if it exists
 * <li>Otherwise just delegate to MetaClass.getProperty which will resolve
 * properties from the {@code GroovyBeanDefinitionReader} itself
 * </ul>
 */
public Object getProperty(String name) {
	Binding binding = getBinding();
	if (binding != null && binding.hasVariable(name)) {
		return binding.getVariable(name);
	}
	else {
		if (this.namespaces.containsKey(name)) {
			return createDynamicElementReader(name);
		}
		if (getRegistry().containsBeanDefinition(name)) {
			GroovyBeanDefinitionWrapper beanDefinition = (GroovyBeanDefinitionWrapper)
					getRegistry().getBeanDefinition(name).getAttribute(GroovyBeanDefinitionWrapper.class.getName());
			if (beanDefinition != null) {
				return new GroovyRuntimeBeanReference(name, beanDefinition, false);
			}
			else {
				return new RuntimeBeanReference(name, false);
			}
		}
		// This is to deal with the case where the property setter is the last
		// statement in a closure (hence the return value)
		else if (this.currentBeanDefinition != null) {
			MutablePropertyValues pvs = this.currentBeanDefinition.getBeanDefinition().getPropertyValues();
			if (pvs.contains(name)) {
				return pvs.get(name);
			}
			else {
				DeferredProperty dp = this.deferredProperties.get(this.currentBeanDefinition.getBeanName() + name);
				if (dp != null) {
					return dp.value;
				}
				else {
					return getMetaClass().getProperty(this, name);
				}
			}
		}
		else {
			return getMetaClass().getProperty(this, name);
		}
	}
}