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// TestValueBindingImpl.java
package com.sun.faces.el;
import com.sun.faces.cactus.ServletFacesTestCase;
import com.sun.faces.TestBean;
import com.sun.faces.cactus.TestBean.InnerBean;
import com.sun.faces.util.Util;
import org.apache.cactus.WebRequest;
import javax.faces.FacesException;
import javax.faces.component.StateHolder;
import javax.faces.component.UIForm;
import javax.faces.component.UIInput;
import javax.faces.component.UIViewRoot;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.faces.el.EvaluationException;
import javax.faces.el.PropertyNotFoundException;
import javax.faces.el.ValueBinding;
import javax.servlet.http.HttpServletRequest;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import java.util.Locale;
import javax.faces.application.Application;
/**
* <B>TestValueBindingImpl </B> is a class ... <p/><B>Lifetime And Scope </B>
* <P>
*/
public class TestValueBindingImpl extends ServletFacesTestCase
{
//
// Protected Constants
//
//
// Class Variables
//
//
// Instance Variables
//
protected ValueBinding valueBinding;
// protected ValueBindingFactory factory = new ValueBindingFactory();
// Attribute Instance Variables
// Relationship Instance Variables
//
// Constructors and Initializers
//
public TestValueBindingImpl()
{
super("TestValueBindingImpl");
}
public TestValueBindingImpl(String name)
{
super(name);
}
//
// Class methods
//
//
// Methods from TestCase
//
//
// General Methods
//
protected ValueBinding create(String ref) throws Exception
{
return (getFacesContext().getApplication().createValueBinding("#{" + ref + "}"));
}
public void populateRequest(WebRequest theRequest)
{
theRequest.addHeader("ELHeader", "ELHeader");
theRequest.addHeader("multiheader", "1");
theRequest.addHeader("multiheader", "2");
theRequest.addParameter("ELParam", "ELParam");
theRequest.addParameter("multiparam", "one");
theRequest.addParameter("multiparam", "two");
theRequest.addCookie("cookie", "monster");
}
public void beginELGet(WebRequest theRequest)
{
populateRequest(theRequest);
}
public void testELGet() throws Exception
{
TestBean testBean = new TestBean();
InnerBean newInner, oldInner = new InnerBean();
testBean.setInner(oldInner);
Object result = null;
ExternalContext extContext = getFacesContext().getExternalContext();
Map myMap = new HashMap();
TestBean myBean = new TestBean();
myBean.setOne("one");
myMap.put("myBean", myBean);
extContext.getRequestMap().put("myMap", myMap);
//
// Get tests
//
valueBinding = this.create("myMap.myBean.one");
result = valueBinding.getValue(getFacesContext());
assertEquals("one", result);
valueBinding = this.create("myMap[\"myBean\"].one");
result = valueBinding.getValue(getFacesContext());
assertTrue("one".equals(result));
valueBinding = this.create("myMap.myBean['one']");
result = valueBinding.getValue(getFacesContext());
assertTrue("one".equals(result));
// Simple tests, verify that bracket and dot operators work
valueBinding = this.create("TestBean.inner");
getFacesContext().getExternalContext().getSessionMap().put("TestBean",
testBean);
result = valueBinding.getValue(getFacesContext());
assertTrue(result == oldInner);
valueBinding = this.create("TestBean[\"inner\"]");
result = valueBinding.getValue(getFacesContext());
assertTrue(result == oldInner);
valueBinding = this.create("TestBean[\"inner\"].customers[1]");
result = valueBinding.getValue(getFacesContext());
assertTrue(result instanceof String);
assertTrue(result.equals("Jerry"));
// try out the implicit objects
valueBinding = this.create("sessionScope.TestBean.inner");
result = valueBinding.getValue(getFacesContext());
assertTrue(result == oldInner);
valueBinding = this.create("header.ELHeader");
result = valueBinding.getValue(getFacesContext());
assertTrue(requestsHaveSameAttributeSet(
(HttpServletRequest) getFacesContext().getExternalContext()
.getRequest(), (HttpServletRequest) request));
assertTrue(request.getHeader("ELHeader").equals("ELHeader"));
assertTrue(result.equals("ELHeader"));
valueBinding = this.create("param.ELParam");
result = valueBinding.getValue(getFacesContext());
assertTrue(result.equals("ELParam"));
String multiparam[] = null;
valueBinding = this.create("paramValues.multiparam");
multiparam = (String[]) valueBinding.getValue(getFacesContext());
assertTrue(null != multiparam);
assertTrue(2 == multiparam.length);
assertTrue(multiparam[0].equals("one"));
assertTrue(multiparam[1].equals("two"));
valueBinding = this.create("headerValues.multiheader");
String[] multiHeader = (String[]) valueBinding
.getValue(getFacesContext());
assertTrue(null != multiHeader);
assertTrue(1 == multiHeader.length);
assertTrue(multiHeader[0].equals("1,2"));
valueBinding = this.create("initParam.testInitParam");
result = valueBinding.getValue(getFacesContext());
assertTrue(null != result);
assertTrue(result.equals("testInitParam"));
// PENDING(craigmcc) - Comment out this test because on my platform
// the getRequestCookies() call returns null
/*
* valueBinding.setRef("cookie.cookie"); result =
* valueBinding.getValue(getFacesContext()); assertTrue(null != result);
* assertTrue(result instanceof Cookie); assertTrue(((Cookie)
* result).getValue().equals("monster"));
*/
}
public void beginELSet(WebRequest theRequest)
{
populateRequest(theRequest);
}
public void testELSet() throws Exception
{
// migrated to test-agnostic-el.
}
public void testNullReference() throws Exception
{
try
{
getFacesContext().getApplication().createValueBinding(null);
fail();
}
catch (NullPointerException npe) {}
catch (Exception e) { fail("Should have thrown an NPE"); };
}
public void testLiterals() throws Exception
{
ValueBinding vb = null;
Object result = null;
ExternalContext extContext = getFacesContext().getExternalContext();
vb = getFacesContext().getApplication().createValueBinding("test");
assertEquals("test", vb.getValue(getFacesContext()));
assertEquals(String.class, vb.getType(getFacesContext()));
try
{
vb.setValue(getFacesContext(), "other");
fail("Literal's setValue(..) should have thrown a EvaluationException");
}
catch (javax.faces.el.EvaluationException ee) {}
}
public void testReadOnly_singleCase() throws Exception
{
// these are mutable Maps
/*
* properties on these maps are mutable, but not the object itself....
* see
*/
valueBinding = this.create("applicationScope");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
valueBinding = this.create("sessionScope");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
valueBinding = this.create("requestScope");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
// these are immutable Maps
valueBinding = this.create("param");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
valueBinding = this.create("paramValues");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
valueBinding = this.create("header");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
valueBinding = this.create("headerValues");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
valueBinding = this.create("cookie");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
valueBinding = this.create("initParam");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
}
public void testReadOnly_multipleCase() throws Exception
{
// these are mutable Maps
valueBinding = this.create("applicationScope.value");
valueBinding.setValue(getFacesContext(), "value");
String value = (String) valueBinding.getValue(getFacesContext());
assertTrue(!valueBinding.isReadOnly(getFacesContext()));
valueBinding = this.create("sessionScope.value");
assertTrue(!valueBinding.isReadOnly(getFacesContext()));
valueBinding = this.create("requestScope.value");
assertTrue(!valueBinding.isReadOnly(getFacesContext()));
// these are immutable Maps
valueBinding = this.create("param.value");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
valueBinding = this.create("paramValues.value");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
valueBinding = this.create("header.value");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
valueBinding = this.create("headerValues.value");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
valueBinding = this.create("cookie.value");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
valueBinding = this.create("initParam.value");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
// tree
// create a dummy root for the tree.
UIViewRoot page = Util.getViewHandler(getFacesContext()).createView(
getFacesContext(), null);
page.setId("root");
page.setViewId("newTree");
page.setLocale(Locale.US);
getFacesContext().setViewRoot(page);
valueBinding = this.create("view.childCount");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
com.sun.faces.cactus.TestBean testBean = (com.sun.faces.cactus.TestBean) getFacesContext().getExternalContext()
.getSessionMap().get("TestBean");
assertTrue(null != testBean);
valueBinding = this.create("TestBean.readOnly");
assertTrue(valueBinding.isReadOnly(getFacesContext()));
valueBinding = this.create("TestBean.one");
assertTrue(!valueBinding.isReadOnly(getFacesContext()));
InnerBean inner = new InnerBean();
testBean.setInner(inner);
valueBinding = this.create("TestBean[\"inner\"].customers[1]");
assertTrue(!valueBinding.isReadOnly(getFacesContext()));
}
public void testGetType_singleCase() throws Exception
{
// these are mutable Maps
valueBinding = this.create("applicationScope");
assertTrue(valueBinding.getType(getFacesContext()) == null);
valueBinding = this.create("sessionScope");
assertTrue(valueBinding.getType(getFacesContext()) == null);
valueBinding = this.create("requestScope");
assertTrue(valueBinding.getType(getFacesContext()) == null);
// these are immutable Maps
valueBinding = this.create("param");
assertTrue(valueBinding.getType(getFacesContext()) == null);
valueBinding = this.create("paramValues");
assertTrue(valueBinding.getType(getFacesContext()) == null);
valueBinding = this.create("header");
assertTrue(valueBinding.getType(getFacesContext()) == null);
valueBinding = this.create("headerValues");
assertTrue(valueBinding.getType(getFacesContext()) == null);
valueBinding = this.create("cookie");
assertTrue(valueBinding.getType(getFacesContext()) == null);
valueBinding = this.create("initParam");
assertTrue(valueBinding.getType(getFacesContext()) == null);
}
public void beginGetType_multipleCase(WebRequest theRequest)
{
populateRequest(theRequest);
}
public void testGetType_multipleCase() throws Exception
{
String property = "testvalueBindingImpl_property";
getFacesContext().getExternalContext().getApplicationMap().put(
property, property);
getFacesContext().getExternalContext().getSessionMap().put(property,
property);
getFacesContext().getExternalContext().getRequestMap().put(property,
property);
// these are mutable Maps
valueBinding = this.create("applicationScope." + property);
assertTrue(valueBinding.getType(getFacesContext()).getName().equals(
"java.lang.Object"));
valueBinding = this.create("sessionScope." + property);
assertTrue(valueBinding.getType(getFacesContext()).getName().equals(
"java.lang.Object"));
valueBinding = this.create("requestScope." + property);
assertTrue(valueBinding.getType(getFacesContext()).getName().equals(
"java.lang.Object"));
// these are immutable Maps
valueBinding = this.create("param." + "ELParam");
assertTrue(valueBinding.getType(getFacesContext()).getName().equals(
"java.lang.Object"));
valueBinding = this.create("paramValues.multiparam");
assertTrue(valueBinding.getType(getFacesContext()).getName().equals(
"java.lang.Object"));
valueBinding = this.create("header.ELHeader");
assertTrue(valueBinding.getType(getFacesContext()).getName().equals(
"java.lang.Object"));
valueBinding = this.create("headerValues.multiheader");
assertTrue(valueBinding.getType(getFacesContext()).getName().equals(
"java.lang.Object"));
// assertTrue(java.util.Enumeration.class.isAssignableFrom(valueBinding
// .getType(getFacesContext())));
// PENDING(craigmcc) - Comment out this test because on my platform
// the getRequestCookies() call returns null
/*
* valueBinding = this.create("cookie.cookie");
* assertTrue(valueBinding.getType(getFacesContext()).getName().equals("javax.servlet.http.Cookie"));
*/
valueBinding = this
.create("initParam['javax.faces.STATE_SAVING_METHOD']");
assertTrue(valueBinding.getType(getFacesContext()).getName().equals(
"java.lang.Object"));
// tree
// create a dummy root for the tree.
UIViewRoot page = Util.getViewHandler(getFacesContext()).createView(
getFacesContext(), null);
page.setId("root");
page.setViewId("newTree");
page.setLocale(Locale.US);
getFacesContext().setViewRoot(page);
valueBinding = this.create("view");
Class c = valueBinding.getType(getFacesContext());
assertTrue(c == null);
com.sun.faces.cactus.TestBean testBean = (com.sun.faces.cactus.TestBean) getFacesContext().getExternalContext()
.getSessionMap().get("TestBean");
assertTrue(null != testBean);
valueBinding = this.create("TestBean.readOnly");
assertTrue(valueBinding.getType(getFacesContext()).getName().equals(
"java.lang.String"));
valueBinding = this.create("TestBean.one");
assertTrue(valueBinding.getType(getFacesContext()).getName().equals(
"java.lang.String"));
InnerBean inner = new InnerBean();
testBean.setInner(inner);
valueBinding = this.create("TestBean[\"inner\"].customers[1]");
assertTrue(valueBinding.getType(getFacesContext()).getName().equals(
"java.lang.Object"));
valueBinding = this.create("TestBean[\"inner\"]");
assertTrue(valueBinding.getType(getFacesContext()).getName().equals(
"com.sun.faces.cactus.TestBean$InnerBean"));
int[] intArray =
{ 1, 2, 3 };
getFacesContext().getExternalContext().getRequestMap().put("intArray",
intArray);
valueBinding = this.create("requestScope.intArray");
assertTrue(valueBinding.getType(getFacesContext()).getName().equals(
"java.lang.Object"));
// assertTrue(valueBinding.getType(getFacesContext()).getName().equals(
// "[I"));
}
public void testGetScopePositive() throws Exception
{
TestBean testBean = new TestBean();
getFacesContext().getExternalContext().getApplicationMap().put(
"TestApplicationBean", testBean);
valueBinding = this.create("TestApplicationBean");
assertEquals(ELUtils.Scope.APPLICATION, ELUtils.getScope("TestApplicationBean", null));
valueBinding = this.create("TestApplicationBean.one");
assertEquals(ELUtils.Scope.APPLICATION, ELUtils.getScope("TestApplicationBean.one",
null));
valueBinding = this.create("TestApplicationBean.inner.two");
assertEquals(ELUtils.Scope.APPLICATION, ELUtils.getScope(
"TestApplicationBean.inner.two", null));
valueBinding = this.create("applicationScope.TestApplicationBean");
assertEquals(ELUtils.Scope.APPLICATION, ELUtils.getScope(
"applicationScope.TestApplicationBean", null));
valueBinding = this
.create("applicationScope.TestApplicationBean.inner.two");
assertEquals(ELUtils.Scope.APPLICATION, ELUtils.getScope(
"applicationScope.TestApplicationBean.inner.two", null));
getFacesContext().getExternalContext().getSessionMap().put(
"TestSessionBean", testBean);
valueBinding = this.create("TestSessionBean");
assertEquals(ELUtils.Scope.SESSION, ELUtils.getScope("TestSessionBean", null));
valueBinding = this.create("TestSessionBean.one");
assertEquals(ELUtils.Scope.SESSION, ELUtils.getScope("TestSessionBean.one", null));
valueBinding = this.create("TestSessionBean.inner.two");
assertEquals(ELUtils.Scope.SESSION, ELUtils
.getScope("TestSessionBean.inner.two", null));
valueBinding = this.create("sessionScope.TestSessionBean");
assertEquals(ELUtils.Scope.SESSION, ELUtils.getScope("sessionScope.TestSessionBean",
null));
valueBinding = this.create("sessionScope.TestSessionBean.inner.two");
assertEquals(ELUtils.Scope.SESSION, ELUtils.getScope(
"sessionScope.TestSessionBean.inner.two", null));
getFacesContext().getExternalContext().getRequestMap().put(
"TestRequestBean", testBean);
valueBinding = this.create("TestRequestBean");
assertEquals(ELUtils.Scope.REQUEST, ELUtils.getScope("TestRequestBean", null));
valueBinding = this.create("TestRequestBean.one");
assertEquals(ELUtils.Scope.REQUEST, ELUtils.getScope("TestRequestBean.one", null));
valueBinding = this.create("TestRequestBean.inner.two");
assertEquals(ELUtils.Scope.REQUEST, ELUtils
.getScope("TestRequestBean.inner.two", null));
valueBinding = this.create("requestScope.TestRequestBean");
assertEquals(ELUtils.Scope.REQUEST, ELUtils.getScope("requestScope.TestRequestBean",
null));
valueBinding = this.create("requestScope.TestRequestBean.inner.two");
assertEquals(ELUtils.Scope.REQUEST, ELUtils.getScope(
"requestScope.TestRequestBean.inner.two", null));
valueBinding = this.create("TestNoneBean");
assertEquals(null, ELUtils.getScope("TestNoneBean", null));
valueBinding = this.create("TestNoneBean.one");
assertEquals(null, ELUtils.getScope("TestNoneBean.one", null));
valueBinding = this.create("TestNoneBean.inner.two");
assertEquals(null, ELUtils.getScope("TestNoneBean.inner.two", null));
}
public void testGetScopeNegative() throws Exception {
ValueBinding valueBinding = null;
String property = null;
/*
property = "[]";
valueBinding = this.factory.createValueBinding(property);
assertNull(Util.getScope(property, null));
property = "][";
assertNull(Util.getScope(property, null));
property = "";
assertNull(Util.getScope(property, null));
property = null;
assertNull(Util.getScope(property, null));
property = "foo.sessionScope";
assertNull(Util.getScope(property, null));
*/
}
// negative test for case when valueRef is merely
// one of the reserved scope names.
public void testReservedScopeIdentifiers() throws Exception
{
boolean exceptionThrown = false;
try
{
valueBinding = this.create("applicationScope");
valueBinding.setValue(getFacesContext(), "value");
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("sessionScope");
valueBinding.setValue(getFacesContext(), "value");
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("requestScope");
valueBinding.setValue(getFacesContext(), "value");
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("facesContext");
valueBinding.setValue(getFacesContext(), "value");
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("cookie");
valueBinding.setValue(getFacesContext(), "value");
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("header");
valueBinding.setValue(getFacesContext(), "value");
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("headerValues");
valueBinding.setValue(getFacesContext(), "value");
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("initParam");
valueBinding.setValue(getFacesContext(), "value");
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("param");
valueBinding.setValue(getFacesContext(), "value");
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("paramValues");
valueBinding.setValue(getFacesContext(), "value");
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("view");
valueBinding.setValue(getFacesContext(), "value");
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
}
public void testInvalidExpression() throws Exception
{
boolean exceptionThrown = false;
try
{
valueBinding = this.create("");
valueBinding.getValue(getFacesContext());
}
catch (FacesException e)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("!");
valueBinding.getValue(getFacesContext());
}
catch (PropertyNotFoundException e)
{
exceptionThrown = true;
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("..");
valueBinding.getValue(getFacesContext());
}
catch (PropertyNotFoundException e)
{
exceptionThrown = true;
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create(".foo");
valueBinding.getValue(getFacesContext());
}
catch (PropertyNotFoundException e)
{
exceptionThrown = true;
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("()");
valueBinding.getValue(getFacesContext());
}
catch (PropertyNotFoundException e)
{
exceptionThrown = true;
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("applicationScope}");
valueBinding.getValue(getFacesContext());
}
catch (PropertyNotFoundException e)
{
exceptionThrown = true;
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(!exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("applicationScope >= sessionScope");
valueBinding.getValue(getFacesContext());
}
catch (PropertyNotFoundException e)
{
exceptionThrown = true;
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
exceptionThrown = false;
try
{
valueBinding = this.create("foo applicationScope");
valueBinding.getValue(getFacesContext());
}
catch (PropertyNotFoundException e)
{
exceptionThrown = true;
}
catch (EvaluationException ee)
{
exceptionThrown = true;
}
assertTrue(exceptionThrown);
}
public void testStateHolderSmall() throws Exception
{
StateHolderSaver saver = null;
ValueBinding binding = getFacesContext().getApplication()
.createValueBinding("#{TestBean.indexProperties[0]}");
assertEquals("ValueBinding not expected value", "Justyna",
(String) binding.getValue(getFacesContext()));
saver = new StateHolderSaver(getFacesContext(), binding);
binding = null;
binding = (ValueBinding) saver.restore(getFacesContext());
assertEquals("ValueBinding not expected value", "Justyna",
(String) binding.getValue(getFacesContext()));
}
public void testStateHolderMedium() throws Exception
{
UIViewRoot root = null;
UIForm form = null;
UIInput input = null;
Object state = null;
getFacesContext().setViewRoot(
root = Util.getViewHandler(getFacesContext()).createView(
getFacesContext(), null));
getFacesContext().getViewRoot().setLocale(Locale.US);
root.getChildren().add(form = new UIForm());
form.getChildren().add(input = new UIInput());
input.setValueBinding("buckaroo", getFacesContext().getApplication()
.createValueBinding("#{TestBean.indexProperties[0]}"));
state = root.processSaveState(getFacesContext());
// synthesize the tree structure
getFacesContext().setViewRoot(
root = Util.getViewHandler(getFacesContext()).createView(
getFacesContext(), null));
getFacesContext().getViewRoot().setLocale(Locale.US);
root.getChildren().add(form = new UIForm());
form.getChildren().add(input = new UIInput());
root.processRestoreState(getFacesContext(), state);
assertEquals("ValueBinding not expected value", "Justyna",
(String) input.getValueBinding("buckaroo").getValue(
getFacesContext()));
}
public void testGetExpressionString() throws Exception
{
Application app = (Application) getFacesContext()
.getApplication();
String ref = null;
ValueBinding vb = null;
ref = "#{NewCustomerFormHandler.minimumAge}";
vb = app.createValueBinding(ref);
assertEquals(ref, vb.getExpressionString());
ref = "minimum age is #{NewCustomerFormHandler.minimumAge}";
vb = app.createValueBinding(ref);
assertEquals(ref, vb.getExpressionString());
}
class StateHolderSaver extends Object implements Serializable
{
protected String className = null;
protected Object savedState = null;
public StateHolderSaver(FacesContext context, Object toSave)
{
className = toSave.getClass().getName();
if (toSave instanceof StateHolder)
{
// do not save an attached object that is marked transient.
if (!((StateHolder) toSave).isTransient())
{
savedState = ((StateHolder) toSave).saveState(context);
}
else
{
className = null;
}
}
}
/**
* @return the restored {@link StateHolder}instance.
*/
public Object restore(FacesContext context)
throws IllegalStateException
{
Object result = null;
Class toRestoreClass = null;
if (className == null)
{
return null;
}
try
{
toRestoreClass = loadClass(className, this);
}
catch (ClassNotFoundException e)
{
throw new IllegalStateException(e.getMessage());
}
if (null != toRestoreClass)
{
try
{
result = toRestoreClass.newInstance();
}
catch (InstantiationException e)
{
throw new IllegalStateException(e.getMessage());
}
catch (IllegalAccessException a)
{
throw new IllegalStateException(a.getMessage());
}
}
if (null != result && null != savedState
&& result instanceof StateHolder)
{
// don't need to check transient, since that was done on
// the saving side.
((StateHolder) result).restoreState(context, savedState);
}
return result;
}
private Class loadClass(String name, Object fallbackClass)
throws ClassNotFoundException
{
ClassLoader loader = Thread.currentThread().getContextClassLoader();
if (loader == null)
{
loader = fallbackClass.getClass().getClassLoader();
}
return loader.loadClass(name);
}
}
} // end of class TestValueBindingImpl