org.apache.velocity.util.introspection.VelPropertySet Java Examples

/**
 * Property setter
 * @param obj target object
 * @param identifier property key
 * @param arg value to set
 * @param i tool info
 * @return A Velocity Setter method.
 */
public VelPropertySet getPropertySet(Object obj, String identifier,
                                     Object arg, Info i)
{
    if (obj == null)
    {
        return null;
    }
    VelPropertySet ret = super.getPropertySet(obj,identifier,arg,i);

    if(ret == null) {
        Class claz = obj.getClass();
        if(obj instanceof HttpServletRequest
            || obj instanceof HttpSession
            || obj instanceof ServletContext)
        {
            SetExecutor executor = new SetAttributeExecutor(log, introspector, claz, arg, identifier);
            ret = executor.isAlive() ? new VelSetterImpl(executor) : null;
        }
    }
    return ret;
}
 

public void testNullPropertySetter()
    throws Exception
{
    Uberspect u = ri.getUberspect();
    GetPutObject gpo = new GetPutObject();
    Map map = new HashMap();

    // Don't screw up on null properties. That should map to put() on the GPO.
    VelPropertySet setter = u.getPropertySet(gpo, null, "", null);
    assertNotNull(setter);
    assertEquals("Found wrong method", "put", setter.getMethodName());

    // And should be null on a Map which does not have a put()
    setter = u.getPropertySet(map, null, "", null);
    assertNull(setter);
}
 

public void testNullParameterType()
        throws Exception
{
    VelPropertySet setter;

    Uberspect u = ri.getUberspect();
    UberspectorTestObject uto = new UberspectorTestObject();

    // setRegular()
    setter = u.getPropertySet(uto, "Regular", null, null);
    assertNotNull(setter);
    assertEquals("Found wrong method", "setRegular", setter.getMethodName());

    // setAmbigous() - String and StringBuffer available
    setter = u.getPropertySet(uto, "Ambigous", null, null);
    assertNull(setter);

    // setAmbigous() - same with Object?
    setter = u.getPropertySet(uto, "Ambigous", new Object(), null);
    assertNull(setter);
}
 

public void testMultipleParameterTypes()
        throws Exception
{
    VelPropertySet setter;

    Uberspect u = ri.getUberspect();
    UberspectorTestObject uto = new UberspectorTestObject();

    // setAmbigous() - String
    setter = u.getPropertySet(uto, "Ambigous", "", null);
    assertNotNull(setter);
    assertEquals("Found wrong method", "setAmbigous", setter.getMethodName());

    // setAmbigous() - StringBuffer
    setter = u.getPropertySet(uto, "Ambigous", new StringBuffer(), null);
    assertNotNull(setter);
    assertEquals("Found wrong method", "setAmbigous", setter.getMethodName());
}
 

public void testDisambiguation()
        throws Exception
{
    VelPropertySet setter;

    Uberspect u = ri.getUberspect();
    UberspectorTestObject uto = new UberspectorTestObject();

    // setUnambigous() - String
    setter = u.getPropertySet(uto, "unambiguous", "string", null);
    assertNotNull(setter);
    setter.invoke(uto, "string");

    // setUnambigous() - HashMap
    setter = u.getPropertySet(uto, "unambiguous", new HashMap(), null);
    assertNotNull(setter);
    setter.invoke(uto, new HashMap());
}
 

@Override
public VelPropertySet getPropertySet(Object obj, String identifier, Object arg, Info info) throws Exception {
	
	if( isRuntimeCheckEnabled()) {
		checkRestrictedPackage( obj);

		if( this.packageChecker.includePackage( obj.getClass().getPackage())) {
			checkPropertyWriteAccess( obj, identifier, arg, info);
		}
	}
	
	return super.getPropertySet(obj, identifier, arg, info);
}
 

public void testNullObjects()
        throws Exception
{
    // How about some null objects... Gee, I'm mean. ;-)
    Uberspect u = ri.getUberspect();

    VelPropertyGet getter = u.getPropertyGet(null, "foo", null);
    assertNull(getter);

    VelPropertySet setter = u.getPropertySet(null, "foo", Object.class, null);
    assertNull(setter);
}
 

public void testEmptyPropertySetter()
        throws Exception
{
    Uberspect u = ri.getUberspect();
    Map map = new HashMap();

    VelPropertySet setter = u.getPropertySet(map, "", Object.class, null);

    // Don't screw up on empty properties. That should map to put("", Object)
    assertNotNull(setter);
    assertEquals("Found wrong method", "put", setter.getMethodName());
}
 

public void testRegularSetters()
        throws Exception
{
    VelPropertySet setter;

    Uberspect u = ri.getUberspect();
    UberspectorTestObject uto = new UberspectorTestObject();

    // setRegular()
    setter = u.getPropertySet(uto, "Regular", "", null);
    assertNotNull(setter);
    assertEquals("Found wrong method", "setRegular", setter.getMethodName());

    // Lowercase regular
    setter = u.getPropertySet(uto, "regular", "", null);
    assertNotNull(setter);
    assertEquals("Found wrong method", "setRegular", setter.getMethodName());

    // lowercase: setpremium()
    setter = u.getPropertySet(uto, "premium", "", null);
    assertNotNull(setter);
    assertEquals("Found wrong method", "setpremium", setter.getMethodName());

    // test uppercase: getpremium()
    setter = u.getPropertySet(uto, "Premium", "", null);
    assertNotNull(setter);
    assertEquals("Found wrong method", "setpremium", setter.getMethodName());
}
 

@Override
public VelPropertySet getPropertySet(Object obj, String identifier, Object arg, Info info) throws Exception {
	return uberspector.getPropertySet( obj, identifier, arg, info);
}
 

public VelPropertySet getPropertySet(Object obj, String identifier, Object arg, Info info)
{
    identifier = identifier.replaceAll("foo","bar");
    return inner.getPropertySet(obj,identifier,arg,info);
}